// ==UserScript==
// @name         大魔王视频助手<移动版>
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  悬浮播放器、横竖屏识别、拖拽记忆、自动接管、倍速播放、手势控制、M3U8广告过滤、诊断工具。
// @author       bug大魔王
// @match        *://*/*
// @connect      *
// @require      https://unpkg.com/hls.js@1.5.20/dist/hls.min.js
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @grant        GM_notification
// @grant        GM_info
// @grant        GM_xmlhttpRequest
// @run-at       document-start
// @icon         https://i.postimg.cc/Cxxtnwm7/file-00000000037872078ccd248cf86f31d8.png
// ==/UserScript==

(function () {
    'use strict';

    const CONSTANTS = {
        SCRIPT_NAME: '大魔王视频助手',
        SCRIPT_VERSION: '1.3',
        IS_TOP_FRAME: window.self === window.top,
        Hls: window.Hls,
        IDS: {
            ROOT: 'dmz-host-container',
            PLAYER: 'dmz-custom-player',
            SETTINGS_PANEL: 'dmz-settings-panel',
            PLAYER_STYLES: 'dmz-player-styles',
        },
        CLASSES: {
            VIDEO_WRAPPER: 'dmz-video-wrapper',
            CLOSE_BUTTON: 'dmz-close-button',
            DRAG_HANDLE: 'dmz-drag-handle',
            SCREW_EFFECT: 'screw-effect',
            INDICATOR: 'indicator',
            SETTINGS_GRID: 'settings-grid',
            SETTINGS_CARD: 'settings-card',
            SETTINGS_BTN: 'settings-btn',
            SWITCH: 'switch',
            SLIDER: 'slider',
            VISIBLE: 'visible',
            HIDDEN: 'hidden',
        },
        LIMITS: {
            MAX_M3U8_REDIRECT_DEPTH: 5,
            MAX_LOG_ENTRIES: 400,
            LONG_PRESS_DURATION_MS: 400,
            RETRY_MAX: 3,
        },
        MESSAGE_TYPES: {
            M3U8_COMMAND: 'M3U8_PLAYER_COMMAND_V2_FINAL',
            SANDBOX_URL_FOUND: 'SANDBOX_URL_FOUND_V1',
            RAW_SIGNAL_FORWARDED: 'RAW_SIGNAL_FORWARDED_V1',
            ACTION_LOG_FORWARDED: 'ACTION_LOG_FORWARDED_V1',
            NEUTRALIZE_COMMAND: 'DMZ_NEUTRALIZE_COMMAND_V1',
            ACTIVATE_AUTOPLAY: 'DMZ_ACTIVATE_AUTOPLAY_V1',
            QUERY_IS_MAIN_PLAYER: 'DMZ_QUERY_IS_MAIN_PLAYER_V1',
            IFRAME_TRIGGER_CLICK: 'DMZ_IFRAME_TRIGGER_CLICK_V1',
            RESTORE_COMMAND: 'DMZ_RESTORE_COMMAND_V1',
            FORCE_PAUSE_ALL: 'DMZ_FORCE_PAUSE_ALL_V1',
            CROSS_FETCH_REQUEST: 'DMZ_CROSS_FETCH_REQ_V1',
            CROSS_FETCH_RESPONSE: 'DMZ_CROSS_FETCH_RES_V1',
            I_AM_BLOCKED_BY_AD: 'DMZ_I_AM_BLOCKED_BY_AD_V1',
        },
        LOG_TYPES: {
            INFO: '🛠️ 系统',
            MODULE: '📡 模块',
            CONFIG: '⚙️ 配置',
            ERROR: '❌ 错误',
            WARN: '⚠️ 警告',
            INIT: '🚀 初始化',
            LIFECYCLE: '♻️ 生命周期',
            UI: '🧩 UI',
            COMM: '📨 通信',
            PLAYER: '📺 Ply',
            PLAYER_REVEAL: '✨ 渲染',
            PLAYER_LOCK: '🔐 锁定',
            PLAYBACK_SWITCH: '🔁 切换',
            HLS: '📽️ HLS',
            STREAM_SELECT: '🎚️ 选流',
            CORE: '🚩 中心',
            CORE_SLICE: '✂️ 广告过滤',
            CORE_EXEC: '💥 执行',
            CORE_IFRAME: '📦 沙箱',
            CORE_NEUTRALIZE: '🔇 中和',
            CORE_URL_RESOLVE: '🧭 解析',
            SCAN: '🔍 扫描',
            SCAN_WARN: '☢️ 注意',
            HOOK: '⚔️ 劫持',
            DECRYPTION_HOOK: '🧬 解混淆',
            NAV: '🧭 导航',
            TAKEOVER_ATTEMPT: '🎯 侦测',
            TAKEOVER_SUCCESS: '🪩 接管',
            TAKEOVER_FAIL: '📛 失败',
        },
        TAKEOVER_SOURCES: {
            DOM_HTTP: '页面元素扫描',
            DOM_ATTR: '页面元素扫描(data-*)',
            NET_XHR: '网络拦截<XHR>',
            NET_FETCH: '网络拦截<Fetch>',
            CROSS_FRAME: 'iFrame信使',
            DECRYPTION_HOOK_ATOB: '主动解混淆劫持(atob)',
            DECRYPTION_HOOK_JSON: '主动解混淆劫持(JSON)',
            DECRYPTION_HOOK_ATTR: '主动解混淆劫持(attr)',
            PLAYER_HOOK: (name) => `播放器接口劫持(${name})`,
        },
        SELECTORS: {
            PLAYER_ELEMENTS:
            'video, iframe, .jwplayer, .prism-player, .dplayer, .plyr, .art-video-player, .video-js, [class*="player"], [id*="player"], .video-container',
            PLAYER_CONTEXT:
            'video, iframe, .jwplayer, .prism-player, .dplayer, .plyr, .art-video-player, .video-js, [class*="player"], [id*="player"], .video-container, .fp-ui',
            DMZ_EXCLUSION: '.dmz-video-wrapper, .dmz-iframe-remote-trigger, .dmz-switch-overlay',
        },
    };

    const SHARED_PATTERNS = {
        NEGATIVE_UI_KEYWORDS: /(translate|comment|chat|disqus|feedback|reply|submit|login|signup|ad-|ads|tracker|history|record|记录|历史|mini|pip|picture-in-picture|fullscreen|volume|setting|mute|card|list|item|thumb|poster|recommend|related|next|prev|episode|guess|more|score|评分)/,
        NEGATIVE_PLAYBACK_CONTROLS: /(history|record|记录|历史|setting|设置|speed|速度|mini|pip|picture-in-picture|fullscreen|volume|mute|card|list|item|thumb|poster|recommend|related|next|prev|episode|guess|more)/,
    };

    function installAntiConsoleModalShield() {
        const suspiciousModalPattern =
              /(请关闭控制台|关闭控制台|close\s+console|developer\s*tools|devtools|打开\s*f12|f12\s*已打开)/i;
        const shouldBlockModal = (message) => {
            if (typeof message !== 'string') {
                return false;
            }
            return suspiciousModalPattern.test(message);
        };
        const wrapModal = (originalFn, fallbackValue) => {
            if (typeof originalFn !== 'function') {
                return originalFn;
            }
            return function (...args) {
                try {
                    if (shouldBlockModal(String(args[0] ?? ''))) {
                        return fallbackValue;
                    }
                } catch (e) {
                    console.debug('Modal shield inspection failed:', e);
                }
                return originalFn.apply(this, args);
            };
        };
        try {
            window.alert = wrapModal(window.alert, undefined);
            window.confirm = wrapModal(window.confirm, true);
            window.prompt = wrapModal(window.prompt, '');
        } catch (e) {
            console.debug('Failed to install modal shield:', e);
        }
    }

    installAntiConsoleModalShield();
    const ICONS = {
        BRIGHTNESS:
        '<svg viewBox="0 0 24 24"><path d="M20 15.31L23.31 12 20 8.69V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69zM12 18c-3.31 0-6-2.69-6-6s2.69-6 6-6 6 2.69 6 6-2.69 6-6 6z"/></svg>',
        VOLUME_SIDE:
        '<svg viewBox="0 0 24 24"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/></svg>',
        BIG_PLAY: '<svg class="icon-play" viewBox="0 0 24 24"><path d="M8 5v14l11-7z"/></svg>',
        BIG_PAUSE:
        '<svg class="icon-pause" style="display: none;" viewBox="0 0 24 24"><path d="M6 19h4V5H6v14zm8-14v14h4V5h-4z"/></svg>',
        FORWARD:
        '<svg class="icon-progress" style="display:none;" viewBox="0 0 24 24"><path d="M4 18l8.5-6L4 6v12zm9-12v12l8.5-6L13 6z"/></svg>',
        REWIND: '<svg class="icon-rewind" style="display:none;" viewBox="0 0 24 24"><path d="M11 18V6l-8.5 6L11 18zM20 6l-8.5 6 8.5 6V6z"/></svg>',
        VOLUME_ON:
        '<svg class="icon-volume-on" viewBox="0 0 24 24"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/></svg>',
        VOLUME_OFF:
        '<svg class="icon-volume-off" style="display: none;" viewBox="0 0 24 24"><path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/></svg>',
        FS_ENTER:
        '<svg class="icon-fullscreen-enter" viewBox="0 0 24 24"><path d="M7 14H5v5h5v-2H7v-3zm-2-4h2V7h3V5H5v5zm12 7h-3v2h5v-5h-2v3zM14 5v2h3v3h2V5h-5z"/></svg>',
        FS_EXIT:
        '<svg class="icon-fullscreen-exit" style="display: none;" viewBox="0 0 24 24"><path d="M5 16h3v3h2v-5H5v2zm3-8H5v2h5V5H8v3zm6 11h2v-3h3v-2h-5v5zm2-11V5h-2v5h5V8h-3z"/></svg>',
        MORE: '<svg viewBox="0 0 24 24"><path d="M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z"/></svg>',
        PIP: '<svg viewBox="0 0 24 24"><path d="M19 7h-8v6h8V7zm2-4H3c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H3V5h18v14z"/></svg>',
        PLAYBACK_RATE:
        '<svg viewBox="0 0 24 24"><path d="M10 8v8l6-4-6-4zm9-5H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V5h14v14z"/></svg>',
    };

    const CSS = {
        PLAYER: `:host{all:initial;position:fixed!important;background:transparent;overflow:visible;z-index:2147483646!important;display:flex;flex-direction:column;gap:0;padding:0;box-sizing:border-box;pointer-events:none;opacity:0;transition:opacity .3s ease-out;will-change:transform,opacity;backface-visibility:hidden;transform:translateZ(0)}:host(.dmz-visible){opacity:1}:host(.dmz-no-transition){transition:none!important}.${CONSTANTS.CLASSES.VIDEO_WRAPPER}{cursor:pointer;width:100%;flex-grow:1;display:flex;justify-content:center;align-items:center;background:#000;border-radius:20px;position:relative;overflow:hidden;box-shadow:0 10px 25px -5px rgba(0,0,0,.3);max-height:0;flex-grow:0;-webkit-tap-highlight-color:transparent;pointer-events:auto;transition:max-height 1s cubic-bezier(.4,0,.2,1);will-change:max-height;touch-action:none;transform:translate3d(0,0,0)}#${CONSTANTS.IDS.PLAYER}{width:100%;height:100%;object-fit:contain;background:#000;border-radius:20px;opacity:0;transition:opacity .3s ease;pointer-events:none}.${CONSTANTS.CLASSES.CLOSE_BUTTON}{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.4);color:#fff;width:26px;height:26px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:20px;line-height:1;font-weight:700;cursor:pointer;z-index:30;border:1px solid rgba(255,255,255,.1);outline:none;-webkit-tap-highlight-color:transparent;opacity:0;visibility:hidden;pointer-events:none;transition:background .2s ease,transform .2s ease,opacity .3s ease,visibility .3s ease}.${CONSTANTS.CLASSES.VIDEO_WRAPPER}.dmz-controls-visible .${CONSTANTS.CLASSES.CLOSE_BUTTON}{opacity:1;visibility:visible;pointer-events:auto}.${CONSTANTS.CLASSES.CLOSE_BUTTON}:hover{background:rgba(230,50,90,.9);transform:scale(1.1)}.${CONSTANTS.CLASSES.CLOSE_BUTTON}:active{background:rgba(128,128,128,.5)}.dmz-control-button{display:flex;justify-content:center;align-items:center;width:30px;height:30px;background:transparent;border:none;padding:0;cursor:pointer;flex-shrink:0;color:#fff;outline:none;-webkit-tap-highlight-color:transparent;border-radius:50%;transition:background-color .2s ease}.dmz-control-button:active{background:rgba(128,128,128,.4)}.dmz-control-button svg{width:22px;height:22px;fill:currentColor;pointer-events:none}.dmz-big-play-button-container{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;pointer-events:none;z-index:22;opacity:0;transition:opacity .3s ease}.${CONSTANTS.CLASSES.VIDEO_WRAPPER}.dmz-controls-visible .dmz-big-play-button-container{opacity:1}.dmz-big-play-button{width:64px;height:64px;background:rgba(28,28,30,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.8);border-radius:50%;display:flex;justify-content:center;align-items:center;padding:0;cursor:pointer;pointer-events:auto;color:#fff;outline:none;-webkit-tap-highlight-color:transparent;transition:background .2s ease,transform .2s ease}.dmz-big-play-button:hover{transform:scale(1.1);background:rgba(28,28,30,.7)}.dmz-big-play-button:active{background:rgba(80,80,80,.6);transform:scale(1.05)}.dmz-big-play-button svg{width:32px;height:32px;fill:currentColor}.${CONSTANTS.CLASSES.DRAG_HANDLE}{width:calc(100% - 20px);margin:0 auto;height:18px;flex-shrink:0;cursor:move;display:flex;justify-content:center;align-items:center;position:relative;background:transparent;border-radius:9px;box-shadow:none;-webkit-tap-highlight-color:transparent;overflow:hidden;touch-action:none;pointer-events:auto}.${CONSTANTS.CLASSES.DRAG_HANDLE} .screw-effect{position:absolute;top:0;height:100%;width:calc(50% - 69px);background-image:none}.${CONSTANTS.CLASSES.DRAG_HANDLE} .indicator{width:80px;height:5px;background:#e0e0e0;border-radius:2.5px;box-shadow:0 0 3px rgba(0,0,0,.2);opacity:0;transition:opacity .3s ease,background-color .3s ease}.${CONSTANTS.CLASSES.DRAG_HANDLE}.dmz-indicator-visible .indicator {opacity: 1}@media (prefers-color-scheme: dark) { .${CONSTANTS.CLASSES.DRAG_HANDLE} .indicator { background: #424242; box-shadow: 0 0 3px rgba(0,0,0,.5); } }.dmz-controls-bar{position:absolute;bottom:3px;left:10px;right:10px;width:auto;height:auto;background:rgba(28,28,30,.6);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-radius:10px;display:flex;flex-direction:column;align-items:center;padding:2px 10px;box-sizing:border-box;opacity:1;visibility:visible;transition:opacity .3s ease,visibility .3s ease;z-index:25;pointer-events:auto;touch-action:none}.dmz-controls-bar.hidden{opacity:0;visibility:hidden;pointer-events:none}.dmz-time-display{color:#fff;font-size:13px;text-shadow:0 0 3px rgba(0,0,0,.8);margin:0 8px;font-family:sans-serif}.dmz-time-separator{color:#ccc;margin:0 4px;font-size:13px}.dmz-bottom-controls{width:100%;height:32px;display:flex;align-items:center}.dmz-spacer{flex-grow:1}.dmz-progress-container{width:100%;height:15px;display:flex;align-items:center}.dmz-progress-bar{flex-grow:1;height:100%;display:flex;align-items:center;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}.dmz-progress-rail{width:100%;height:4px;background:rgba(255,255,255,.3);position:relative;border-radius:2px}.dmz-progress-buffer{position:absolute;left:0;top:0;height:100%;width:0;background:rgba(255,255,255,.6);border-radius:2px;transition:width .1s linear}.dmz-progress-played{position:absolute;left:0;top:0;height:100%;width:0;background:#38b6ff;border-radius:2px;will-change:width,left;transition:none}.dmz-progress-handle{position:absolute;top:50%;left:0;width:12px;height:12px;background:#fff;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 5px rgba(0,0,0,.5);pointer-events:none;will-change:width,left;transition:none}.dmz-more-menu-container{position:relative}.dmz-more-menu{position:absolute;bottom:calc(100% + 5px);right:0;background:rgba(28,28,30,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:8px;width:180px;z-index:30;list-style:none;margin:0;padding:5px;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;transform-origin:bottom right}.dmz-more-menu.visible{opacity:1;visibility:visible}.dmz-menu-item{display:flex;align-items:center;padding:8px 12px;color:#fff;font-size:14px;cursor:pointer;border-radius:6px}.dmz-menu-item:hover{background:rgba(255,255,255,.1)}.dmz-menu-item.disabled{color:#777;cursor:not-allowed;background:transparent!important}.dmz-menu-item svg{width:20px;height:20px;margin-right:10px;fill:currentColor;pointer-events:none}.dmz-menu-item .dmz-menu-item-label{flex-grow:1;pointer-events:none}.dmz-menu-item .dmz-menu-item-value{color:#aaa;pointer-events:none}.dmz-playback-rates{display:none}.dmz-playback-rates.visible{display:block}.dmz-playback-rates .dmz-menu-item.active{color:#38b6ff;font-weight:700}.dmz-gesture-indicator-wrapper{position:absolute;top:40px;left:50%;transform:translateX(-50%);background:rgba(28,28,30,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;padding:6px 12px;border-radius:18px;font-size:13px;font-family:sans-serif;display:flex;align-items:center;gap:6px;z-index:20;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;pointer-events:none}.dmz-gesture-indicator-wrapper.visible{opacity:1;visibility:visible}.dmz-indicator-icon{display:flex;justify-content:center;align-items:center;width:24px;height:24px;color:#fff}.dmz-indicator-icon svg{width:100%;height:100%;fill:currentColor}.dmz-indicator-text{min-width:120px;text-align:center}.dmz-brightness-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:0;pointer-events:none;z-index:15;transition:opacity .1s ease}.dmz-side-indicator-container{position:absolute;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;opacity:0;transition:opacity .3s ease;pointer-events:none;z-index:20}.dmz-side-indicator-container.visible{opacity:1}.dmz-side-indicator-container.left{left:30px}.dmz-side-indicator-container.right{right:30px}.dmz-side-indicator-bar-wrapper{width:6px;height:120px;background:rgba(28,28,30,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:3px;display:flex;align-items:flex-end;overflow:hidden;border:1px solid rgba(255,255,255,.15);box-sizing:border-box}.dmz-side-indicator-fill{width:100%;height:0;background:#38b6ff;border-radius:3px}.dmz-side-indicator-fill.transition-active{transition:height .1s linear}.dmz-side-indicator-icon{width:24px;height:24px}.dmz-side-indicator-icon svg{width:100%;height:100%;fill:#fff;filter:drop-shadow(0 0 2px rgba(0,0,0,.5))}`,
        PANEL: `:host{all:initial;box-sizing:border-box;position:fixed;top:0;left:0;width:100%;height:100%;z-index:2147483647;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);--s-bg:rgba(28,28,34,.95);--s-border:rgba(56,182,255,.5);--s-shadow:rgba(0,0,0,.4);--s-text-main:#e5e5ea;--s-text-title:#fff;--s-text-label:#fff;--s-text-value:#ccc;--s-text-dim:#aaa;--s-card-bg:rgba(40,40,50,.8);--s-card-border:rgba(255,255,255,.1);--s-textarea-bg:#111;--s-input-bg:rgba(20,20,30,.8);--s-input-border:rgba(56,182,255,.5);--s-switch-bg:#58585a;--s-switch-handle:#fff;--s-switch-checked:#34c759;--s-info:#61dafb;--s-nav-btn-bg:rgba(255,255,255,.08);--s-nav-btn-bg-active:var(--s-info)}:host(.visible){display:flex}@media (prefers-color-scheme:light){:host{--s-bg:rgba(252,252,252,.95);--s-border:rgba(0,122,255,.4);--s-shadow:rgba(0,0,0,.15);--s-text-main:#333;--s-text-title:#000;--s-text-label:#111;--s-text-value:#555;--s-text-dim:#666;--s-card-bg:rgba(255,255,255,.8);--s-card-border:rgba(0,0,0,.1);--s-textarea-bg:#f0f0f0;--s-input-bg:rgb(229,229,234);--s-input-border:rgba(0,0,0,.2);--s-switch-bg:#ccc;--s-info:#007aff;--s-nav-btn-bg:rgba(0,0,0,.05)}}.dmz-unified-panel-wrapper{width:90%;max-width:550px;max-height:95%;background:var(--s-bg);border:1px solid var(--s-border);border-radius:12px;box-shadow:0 8px 32px var(--s-shadow);color:var(--s-text-main);display:flex;flex-direction:column;margin-bottom:env(safe-area-inset-bottom,20px)}.dmz-unified-panel-wrapper *{box-sizing:border-box}.panel-header{flex-shrink:0;padding:15px}.dmz-panel-nav{display:flex;justify-content:center;gap:10px;padding:0 15px 15px;border-bottom:1px solid var(--s-card-border)}.dmz-unified-panel-content{flex-grow:1;overflow-y:auto;overscroll-behavior:contain}.dmz-panel-pane{display:none;padding:15px;gap:15px;flex-direction:column}.dmz-panel-pane.active{display:flex}.dmz-unified-panel-footer{display:none;align-items:center;justify-content:flex-end;border-top:1px solid var(--s-card-border);gap:10px;flex-shrink:0;padding:15px;min-height:60px}.dmz-unified-panel-footer.active{display:flex}.title-bar{display:flex;justify-content:space-between;align-items:center}.title-bar h3{margin:0;font-size:18px;color:var(--s-text-title);text-shadow:0 0 5px rgba(56,182,255,.7);font-weight:600}.title-bar .close-btn{background:transparent;border:none;color:rgba(255,82,82,.7);font-size:26px;cursor:pointer;padding:0;font-weight:700;width:30px;height:30px;display:flex;align-items:center;justify-content:center;line-height:1}.title-bar .close-btn:hover{color:rgba(255,82,82,1)}.dmz-nav-btn{flex-grow:1;padding:5px;border-radius:6px;border:none;background:var(--s-nav-btn-bg);color:var(--s-text-dim);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,color .2s}.dmz-nav-btn.active{background:var(--s-nav-btn-bg-active);color:#fff}.copy-report-btn{display:block;width:100%;margin:0 0 10px;background:rgba(56,182,255,.15);border:1px solid rgba(56,182,255,.3);color:var(--s-info);padding:8px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;text-align:center}.copy-report-btn:hover{background:rgba(56,182,255,.3)}.status-banner{padding:10px 15px;border-radius:8px;background:rgba(56,182,255,.15);border:1px solid rgba(56,182,255,.3);display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600}.status-banner-icon{font-size:22px;width:22px;height:22px;display:flex;align-items:center;justify-content:center}.cards-container{display:grid;grid-template-columns:1fr 1fr;gap:15px}.info-card{background:var(--s-card-bg);padding:12px 15px;border-radius:10px;border:1px solid var(--s-card-border);display:flex;flex-direction:column;gap:10px}.info-card.full-width{grid-column:1 / -1}.card-title{font-size:12px;color:var(--s-text-dim);font-weight:600;margin:0 0 5px;padding-bottom:5px;border-bottom:1px solid var(--s-card-border)}.card-content-item{display:flex;flex-direction:column;gap:8px;font-size:14px;align-items:flex-start}.label-wrapper{display:flex;justify-content:space-between;align-items:center;width:100%}.label{font-weight:600;color:var(--s-text-label)}.card-content-item .value{font-size:13px;color:var(--s-text-value);word-break:break-all}.card-content-item .value.success{color:#28a745}.card-content-item .value.warning{color:#ffc107}.card-content-item .value.error{color:#dc3545}.card-content-item .value ul{padding-left:18px;margin:5px 0 0}.card-content-item .value code{background:rgba(0,0,0,.05);padding:2px 5px;border-radius:4px;font-family:monospace;border:1px solid rgba(0,0,0,.05)}.copy-btn{background:rgba(0,122,255,.1);border:1px solid rgba(0,122,255,.2);color:#007aff;padding:3px 10px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:background .2s ease,color .2s ease}.copy-btn:hover{background:rgba(0,122,255,.2);color:#0056b3}.details-toggle{cursor:pointer;color:var(--s-info);margin-top:10px;text-align:center;font-weight:600;padding:8px;background:rgba(0,122,255,.08);border-radius:8px}textarea{width:100%;box-sizing:border-box;background:var(--s-textarea-bg);color:var(--s-text-value);border:1px solid var(--s-card-border);border-radius:6px;font-family:monospace;font-size:10px;resize:vertical;padding:8px;margin-top:8px}textarea[data-info="m3u8-raw"],textarea[data-info="m3u8-processed"]{min-height:50px}.dmz-log-container{width:100%;box-sizing:border-box;background:var(--s-textarea-bg);color:var(--s-text-value);border:1px solid var(--s-card-border);border-radius:6px;font-family:monospace;font-size:10px;resize:vertical;padding:8px;margin-top:8px;min-height:300px;max-height:300px;overflow-y:auto}.dmz-log-container pre{margin:0;white-space:pre-wrap;word-break:break-all}.log-entry{line-height:1.4}.log-collapsible{cursor:pointer;padding:4px 8px;background:rgba(56,182,255,.15);border-radius:4px;margin:4px 0;user-select:none;transition:background .2s}.log-collapsible:hover{background:rgba(56,182,255,.3)}.log-collapsed-content .log-entry{padding-left:15px;border-left:2px solid rgba(255,255,255,.2)}.${CONSTANTS.CLASSES.SETTINGS_GRID}{display:flex;flex-direction:column;gap:15px}.${CONSTANTS.CLASSES.SETTINGS_CARD}{background:var(--s-card-bg);padding:12px 15px;border-radius:10px;border:1px solid var(--s-card-border)}h3.settings-title{color:var(--s-info);margin:0 0 10px;padding-bottom:10px;border-bottom:1px solid var(--s-card-border);font-size:16px;font-weight:600}.settings-card-info{background:rgba(56,182,255,.1);border:1px solid rgba(56,182,255,.25);padding:12px;border-radius:8px;color:var(--s-text-dim);margin-top:0;font-size:13px}.settings-card-info b{font-weight:700;color:var(--s-text-main)}.settings-card-info code{background:rgba(0,0,0,.05);padding:2px 5px;border-radius:4px;font-family:monospace;border:1px solid rgba(0,0,0,.08)}.option-item,.option-item-col{display:flex;justify-content:space-between;align-items:center;padding:8px 0;color:var(--s-text-main);font-size:15px}.option-item-col{flex-direction:column;align-items:flex-start;gap:8px}.option-item-col label{font-weight:600}.option-item-col input,.option-item-col textarea{width:100%;box-sizing:border-box;background:var(--s-input-bg);border:1px solid var(--s-input-border);border-radius:6px;padding:10px;color:var(--s-text-main);font-family:sans-serif;font-size:14px}#site-blacklist-input{resize:vertical;min-height:120px;font-family:monospace}.${CONSTANTS.CLASSES.SETTINGS_BTN}.action{background:rgba(0,122,255,.2);color:var(--s-info);margin-top:10px;width:100%;flex:none;border:1px solid rgba(0,122,255,.3)}.${CONSTANTS.CLASSES.SETTINGS_BTN}.action:hover{background:rgba(0,122,255,.3)}.${CONSTANTS.CLASSES.SETTINGS_BTN}{flex:0 1 auto;padding:8px 20px;border:none;border-radius:8px;cursor:pointer;color:#fff;font-size:15px;font-weight:600;box-shadow:0 2px 5px rgba(0,0,0,.1);transition:transform .1s ease,background .2s ease}.${CONSTANTS.CLASSES.SETTINGS_BTN}:active{transform:scale(0.97)}.${CONSTANTS.CLASSES.SETTINGS_BTN}.close{background:#555}.${CONSTANTS.CLASSES.SETTINGS_BTN}.save{background:#007aff}.${CONSTANTS.CLASSES.SETTINGS_BTN}.reset{background:#007aff}.${CONSTANTS.CLASSES.SWITCH}{position:relative;display:inline-block;width:51px;height:31px}.${CONSTANTS.CLASSES.SWITCH} input{opacity:0;width:0;height:0}.${CONSTANTS.CLASSES.SLIDER}{position:absolute;cursor:pointer;inset:0;background:var(--s-switch-bg);transition:.4s;border-radius:31px}.${CONSTANTS.CLASSES.SLIDER}:before{position:absolute;content:"";height:27px;width:27px;left:2px;bottom:2px;background:var(--s-switch-handle);transition:.4s;border-radius:50%;box-shadow:0 1px 3px rgba(0,0,0,.2)}input:checked+.${CONSTANTS.CLASSES.SLIDER}{background:var(--s-switch-checked)}input:checked+.${CONSTANTS.CLASSES.SLIDER}:before{transform:translateX(20px)}`,
    };

    const DomUtilsCore = {
        applyOption(el, key, value) {
            if (key === 'style' && typeof value === 'object') {
                Object.assign(el.style, value);
                return;
            }
            if (key in el) {
                el[key] = value;
                return;
            }
            el.setAttribute(key, value);
        },

        appendChildren(el, children = []) {
            children.forEach((child) => el.append(child));
            return el;
        },

        buildAttrSignature(el) {
            if (!el) {
                return '';
            }
            return (
                el.id +
                ' ' +
                el.className +
                ' ' +
                (el.getAttribute('aria-label') || '') +
                ' ' +
                (el.getAttribute('title') || '') +
                ' ' +
                (el.textContent || '')
            )
                .toLowerCase()
                .replace(/\s+/g, ' ')
                .trim();
        },

        setIconVisibility(showIcon, hideIcons = []) {
            if (showIcon) {
                showIcon.style.display = 'block';
            }
            hideIcons.forEach((icon) => {
                if (icon) {
                    icon.style.display = 'none';
                }
            });
        },

        toggleVisibilityClass(element, visibleClass, forceState) {
            if (!element) {
                return false;
            }
            element.classList.toggle(visibleClass, forceState);
            return element.classList.contains(visibleClass);
        },

        setTemporaryButtonState(
        button,
         { successText, originalContent, duration = 1500, successBgColor = '' }
        ) {
            const originalWidth = button.style.width;
            const originalBgColor = button.style.backgroundColor;
            const content = originalContent ?? button.innerHTML;
            const preciseWidth = button.getBoundingClientRect().width;

            button.style.width = `${preciseWidth}px`;
            button.textContent = successText;
            if (successBgColor) {
                button.style.backgroundColor = successBgColor;
            }

            setTimeout(() => {
                button.innerHTML = content;
                button.style.width = originalWidth;
                button.style.backgroundColor = originalBgColor;
            }, duration);
        },
    };

    const ClipboardUtils = {
        writeTextWithClipboardApi(text, successCallback, fallbackCallback) {
            return navigator.clipboard
                .writeText(text)
                .then(successCallback)
                .catch(() => fallbackCallback(text));
        },

        writeTextWithExecCommand(text, successCallback, fallbackCallback) {
            try {
                const textArea = document.createElement('textarea');
                textArea.value = text;
                Object.assign(textArea.style, {
                    position: 'fixed', top: '0', left: '0',
                    width: '2em', height: '2em', padding: '0',
                    border: 'none', outline: 'none', boxShadow: 'none',
                    background: 'transparent', color: 'transparent'
                });
                let root = document.body;
                if (document.activeElement && document.activeElement.shadowRoot) {
                    root = document.activeElement.shadowRoot;
                }
                root.appendChild(textArea);
                textArea.focus();
                textArea.select();
                const successful = document.execCommand('copy');
                root.removeChild(textArea);
                if (successful) {
                    successCallback();
                } else {
                    fallbackCallback(text);
                }
            } catch (err) {
                fallbackCallback(text);
            }
        },

        writeText(text, successCallback = () => {}) {
            if (typeof GM_setClipboard === 'function') {
                GM_setClipboard(text, 'text');
                successCallback();
                return Promise.resolve();
            }
            const fallbackCallback = (fallbackText) => {
                try {
                    const overlay = document.createElement('div');
                    Object.assign(overlay.style, {
                        position: 'fixed', top: '0', left: '0', width: '100%', height: '100%',
                        background: 'rgba(0,0,0,0.85)', zIndex: '2147483647', display: 'flex',
                        flexDirection: 'column', alignItems: 'center', justifyContent: 'center',
                        padding: '20px', boxSizing: 'border-box'
                    });
                    const title = document.createElement('div');
                    title.textContent = '浏览器限制自动复制，请手动长按全选复制：';
                    title.style.cssText = 'color: #fff; margin-bottom: 10px; font-size: 14px;';
                    const ta = document.createElement('textarea');
                    ta.value = fallbackText;
                    ta.readOnly = true;
                    ta.style.cssText = 'width: 100%; max-width: 500px; height: 60%; background: #111; color: #38b6ff; border: 1px solid #38b6ff; padding: 10px; border-radius: 8px; font-family: monospace; font-size: 12px; resize: none;';
                    const btn = document.createElement('button');
                    btn.textContent = '关闭';
                    btn.style.cssText = 'margin-top: 15px; padding: 8px 24px; background: #ff3b30; color: #fff; border: none; border-radius: 6px; cursor: pointer; font-weight: bold;';
                    btn.onclick = () => overlay.remove();
                    overlay.append(title, ta, btn);
                    document.body.appendChild(overlay);
                    setTimeout(() => { ta.focus(); ta.select(); }, 100);
                } catch (e) {
                    console.debug('Fallback copy failed:', e);
                }
            };
            if (navigator.clipboard && window.isSecureContext) {
                return this.writeTextWithClipboardApi(text, successCallback, fallbackCallback);
            }
            return this.writeTextWithExecCommand(text, successCallback, fallbackCallback);
        },
    };

    const TimingUtils = {
        debounce(func, wait) {
            let timeout;
            return function (...args) {
                clearTimeout(timeout);
                timeout = setTimeout(() => func.apply(this, args), wait);
            };
        },

        clear(timerId) {
            if (timerId) {
                clearTimeout(timerId);
            }
            return null;
        },
    };

    const MediaViewportUtils = {
        _primaryRectCache: new WeakMap(),

        isVisibleElement(el) {
            return !!(el && el.offsetParent !== null && el.offsetWidth > 0 && el.offsetHeight > 0);
        },

        getPrimaryMediaCandidateScore(el, rect, viewportWidth, viewportHeight) {
            const area = rect.width * rect.height;
            const centerX = rect.left + rect.width / 2;
            const centerY = rect.top + rect.height / 2;
            const attr = (el.id + ' ' + el.className + ' ' + (el.getAttribute('title') || '')).toLowerCase();
            let score = area;
            if (/(player|video|jw|prism|plyr|dplayer|art)/.test(attr)) {
                score += 180000;
            }
            if (centerY <= viewportHeight * 0.68) {
                score += 120000;
            }
            if (centerY > viewportHeight * 0.8) {
                score -= 320000;
            }
            score -= Math.abs(centerX - viewportWidth / 2) * 120;
            score -= Math.abs(centerY - viewportHeight * 0.32) * 80;
            return score;
        },

        getPrimaryMediaViewportRect(root = document) {
            const scope = root && typeof root.querySelectorAll === 'function' ? root : document;
            const now = performance.now();
            const viewportWidth = window.innerWidth;
            const viewportHeight = window.innerHeight;
            const cacheKey = `${viewportWidth}x${viewportHeight}|${document.visibilityState}|${document.readyState}`;
            const cached = this._primaryRectCache.get(scope);
            if (cached && cached.key === cacheKey && now - cached.stamp <= 180) {
                return cached.value;
            }
            let bestRect = null;
            let bestScore = -Infinity;

            for (const el of scope.querySelectorAll(CONSTANTS.SELECTORS.PLAYER_ELEMENTS)) {
                if (!this.isVisibleElement(el)) {
                    continue;
                }
                if (el.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
                    continue;
                }
                const rect = el.getBoundingClientRect();
                if (rect.width < 160 || rect.height < 90) {
                    continue;
                }
                if (rect.bottom < 0 || rect.top > viewportHeight || rect.right < 0 || rect.left > viewportWidth) {
                    continue;
                }
                const score = this.getPrimaryMediaCandidateScore(el, rect, viewportWidth, viewportHeight);
                if (score > bestScore) {
                    bestScore = score;
                    bestRect = rect;
                }
            }

            const value = !bestRect
            ? null
            : {
                left: Math.max(0, bestRect.left - 40),
                top: Math.max(0, bestRect.top - 40),
                right: Math.min(viewportWidth, bestRect.right + 40),
                bottom: Math.min(viewportHeight, bestRect.bottom + 60),
                width: bestRect.width,
                height: bestRect.height,
            };
            this._primaryRectCache.set(scope, {
                key: cacheKey,
                stamp: now,
                value,
            });
            return value;
        },

        isElementInPrimaryMediaRegion(el, root = document, mediaRect = null) {
            if (!el || typeof el.getBoundingClientRect !== 'function') {
                return false;
            }
            const rect = el.getBoundingClientRect();
            if (rect.width <= 0 || rect.height <= 0) {
                return false;
            }
            const resolvedMediaRect = mediaRect || this.getPrimaryMediaViewportRect(root);
            const centerX = rect.left + rect.width / 2;
            const centerY = rect.top + rect.height / 2;
            if (!resolvedMediaRect) {
                return centerY <= window.innerHeight * 0.68;
            }
            return (
                centerX >= resolvedMediaRect.left &&
                centerX <= resolvedMediaRect.right &&
                centerY >= resolvedMediaRect.top &&
                centerY <= resolvedMediaRect.bottom
            );
        },
    };

    const PlayerBindingCore = {
        bindVideoListeners(video, eventNames, cleanupFns, onSignal, listenerOptions = undefined) {
            eventNames.forEach((eventName) => {
                const handler = () => onSignal();
                if (listenerOptions === undefined) {
                    video.addEventListener(eventName, handler);
                } else {
                    video.addEventListener(eventName, handler, listenerOptions);
                }
                cleanupFns.push(() => video.removeEventListener(eventName, handler, listenerOptions));
            });
        },
    };

    const DomQueryUtils = {
        queryVisibleElements(selectors, root, isVisibleElement) {
            const normalizedSelectors = Array.isArray(selectors) ? selectors : [selectors];
            return Array.from(root.querySelectorAll(normalizedSelectors.join(', '))).filter((el) => isVisibleElement(el));
        },

        queryFirstVisiblePerSelector(
        selectors,
         root,
         getPrimaryMediaViewportRect,
         isVisibleElement,
         isElementInPrimaryMediaRegion
        ) {
            const mediaRect = getPrimaryMediaViewportRect(root);
            return selectors
                .map((selector) => {
                let firstVisible = null;
                let inRegion = null;
                for (const el of root.querySelectorAll(selector)) {
                    if (!isVisibleElement(el)) {
                        continue;
                    }
                    if (!firstVisible) {
                        firstVisible = el;
                    }
                    if (!inRegion && isElementInPrimaryMediaRegion(el, root, mediaRect)) {
                        inRegion = el;
                        if (firstVisible) {
                            break;
                        }
                    }
                }
                return inRegion || firstVisible || null;
            })
                .filter(Boolean);
        },
    };

    const InteractionUtils = {
        findInteractiveAncestor(startNode, { stopNode = document.body, maxDepth = Infinity } = {}) {
            let current = startNode;
            let depth = 0;
            while (current && current !== stopNode && depth <= maxDepth) {
                const style = window.getComputedStyle(current);
                if (
                    current.tagName === 'BUTTON' ||
                    style.cursor === 'pointer' ||
                    current.getAttribute('role') === 'button'
                ) {
                    return current;
                }
                current = current.parentElement;
                depth++;
            }
            return null;
        },

        dispatchMouseEventSequence(target, eventTypes, eventOptions = {}, errorLabel = 'Event dispatch failed:') {
            if (!target) {
                return;
            }
            const rect =
                  typeof target.getBoundingClientRect === 'function'
            ? target.getBoundingClientRect()
            : { left: 0, top: 0, width: 0, height: 0 };
            const resolvedClientX = Number.isFinite(eventOptions.clientX)
            ? eventOptions.clientX
            : rect.left + rect.width / 2;
            const resolvedClientY = Number.isFinite(eventOptions.clientY)
            ? eventOptions.clientY
            : rect.top + rect.height / 2;
            const baseOptions = {
                bubbles: true,
                cancelable: true,
                composed: true,
                view: window,
                clientX: resolvedClientX,
                clientY: resolvedClientY,
                screenX: resolvedClientX,
                screenY: resolvedClientY,
                button: 0,
                buttons: 1,
                ...eventOptions,
            };
            eventTypes.forEach((eventType) => {
                try {
                    const options = {
                        ...baseOptions,
                        buttons: /(?:up|end|cancel|click)$/.test(eventType) ? 0 : (baseOptions.buttons ?? 1),
                    };
                    if (eventType.startsWith('pointer') && typeof PointerEvent === 'function') {
                        target.dispatchEvent(
                            new PointerEvent(eventType, {
                                pointerId: 1,
                                pointerType: 'touch',
                                isPrimary: true,
                                ...options,
                            })
                        );
                        return;
                    }
                    if (eventType.startsWith('touch')) {
                        const touchLike = {
                            identifier: Date.now(),
                            target,
                            clientX: options.clientX,
                            clientY: options.clientY,
                            screenX: options.screenX,
                            screenY: options.screenY,
                            pageX: options.clientX + window.scrollX,
                            pageY: options.clientY + window.scrollY,
                            radiusX: 11,
                            radiusY: 11,
                            rotationAngle: 0,
                            force: 1,
                        };
                        if (typeof TouchEvent === 'function' && typeof Touch === 'function') {
                            const touch = new Touch(touchLike);
                            target.dispatchEvent(
                                new TouchEvent(eventType, {
                                    ...options,
                                    touches: eventType === 'touchend' || eventType === 'touchcancel' ? [] : [touch],
                                    targetTouches:
                                    eventType === 'touchend' || eventType === 'touchcancel' ? [] : [touch],
                                    changedTouches: [touch],
                                })
                            );
                            return;
                        }
                        const fallbackTouchEvent = new Event(eventType, options);
                        Object.defineProperties(fallbackTouchEvent, {
                            touches: {
                                value: eventType === 'touchend' || eventType === 'touchcancel' ? [] : [touchLike],
                            },
                            targetTouches: {
                                value: eventType === 'touchend' || eventType === 'touchcancel' ? [] : [touchLike],
                            },
                            changedTouches: { value: [touchLike] },
                        });
                        target.dispatchEvent(fallbackTouchEvent);
                        return;
                    }
                    target.dispatchEvent(new MouseEvent(eventType, options));
                } catch (e) {
                    console.debug(errorLabel, e);
                }
            });
        },

        safeNativeClick(target, errorLabel = 'Native click failed:') {
            if (!target) {
                return false;
            }
            try {
                target.click();
                return true;
            } catch (e) {
                console.debug(errorLabel, e);
                return false;
            }
        },

        startPollingTask(interval, onTick, errorLabel = 'Polling task failed:') {
            let timerId = null;
            timerId = setInterval(() => {
                try {
                    if (onTick(timerId) === false) {
                        clearInterval(timerId);
                    }
                } catch (e) {
                    clearInterval(timerId);
                    console.debug(errorLabel, e);
                }
            }, interval);
            return timerId;
        },
    };

    const UrlUtils = {
        wildcardToRegex(pattern) {
            return new RegExp(`^${pattern.replace(/[.+?^${}()|[\]\\]/g, '\\$&').replace(/\*/g, '.*')}$`);
        },

        isM3U8(url) {
            if (typeof url !== 'string') {
                return false;
            }
            const lower = url.toLowerCase();
            return (
                lower.includes('.m3u8') ||
                lower.includes('.m3u') ||
                lower.includes('/m3u8/') ||
                lower.includes('application/x-mpegurl') ||
                lower.includes('application/vnd.apple.mpegurl')
            );
        },

        formatTime(seconds) {
            if (isNaN(seconds) || seconds < 0) {
                return '00:00';
            }
            const h = Math.floor(seconds / 3600);
            const m = Math.floor((seconds % 3600) / 60)
            .toString()
            .padStart(2, '0');
            const s = Math.floor(seconds % 60)
            .toString()
            .padStart(2, '0');
            return h > 0 ? `${h}:${m}:${s}` : `${m}:${s}`;
        },

        getVideoFormat(url, isM3U8) {
            if (typeof url !== 'string') {
                return { name: '未知', type: '未知' };
            }
            if (isM3U8(url)) {
                return { name: 'M3U8', type: '流式传输' };
            }
            const cleanUrl = url.split('?')[0].toLowerCase();
            const formats = [
                { ext: '.mp4', name: 'MP4' },
                { ext: '.mkv', name: 'MKV' },
                { ext: '.webm', name: 'WebM' },
                { ext: '.flv', name: 'FLV' },
            ];
            const format = formats.find((f) => cleanUrl.endsWith(f.ext));
            if (format) {
                return { name: format.name, type: '常规文件' };
            }
            try {
                const urlObj = new URL(url);
                for (const [key, value] of urlObj.searchParams.entries()) {
                    const lowerValue = value.toLowerCase();
                    const paramFormat = formats.find((f) => lowerValue.endsWith(f.ext));
                    if (paramFormat) {
                        return { name: paramFormat.name, type: '常规文件' };
                    }
                    if (
                        (key.includes('type') || key.includes('format')) &&
                        formats.some((f) => lowerValue.includes(f.ext.substring(1)))
                    ) {
                        return {
                            name: formats.find((f) => lowerValue.includes(f.ext.substring(1))).name,
                            type: '常规文件',
                        };
                    }
                }
            } catch (e) {
                console.debug('Failed to parse video format:', e);
            }
            return { name: '媒体流', type: '常规文件' };
        },
    };

    const IframeProbeUtils = {
        probe(src, context, sourceName, cache, inflight) {
            if (typeof src !== 'string' || !/^https?:/i.test(src)) {
                return;
            }
            const cacheKey = src.split('#')[0];
            const now = Date.now();
            const lastProbeAt = cache.get(cacheKey) || 0;
            if (inflight.has(cacheKey) || now - lastProbeAt < 8000) {
                return;
            }
            inflight.add(cacheKey);
            cache.set(cacheKey, now);
            if (cache.size > 200) {
                const entries = Array.from(cache.entries()).sort((a, b) => a[1] - b[1]);
                entries.slice(0, 50).forEach(([key]) => cache.delete(key));
            }
            fetch(src)
                .then((res) => res.text())
                .then((html) => {
                const match = html.match(/((?:https?:)?\/\/[^'"]+\.m3u8(?:[\?#][^'"]*)?)/i);
                if (match && !context.playerManager.isPlayerActiveOrInitializing) {
                    const rawUrl = match[1] || '';
                    const m3u8Url = rawUrl.startsWith('//')
                    ? `${window.location.protocol}${rawUrl}`
                            : rawUrl.replace(/\\/g, '');
                    context.coreLogic.addTakeoverCandidate({
                        url: m3u8Url,
                        sourceName,
                    });
                }
            })
                .catch(() => {})
                .finally(() => {
                inflight.delete(cacheKey);
            });
        },
    };

const PagePathScoreUtils = {
    getNormalizedPath() {
        try {
            const loc = window.top.location;
            const normalizedPath = decodeURIComponent((loc.pathname || '').toLowerCase());
            const normalizedSearch = (loc.search || '').toLowerCase();
            const hashRoute = this.extractHashRoute(loc.hash || '');
            if (hashRoute) {
                return {
                    path: hashRoute.path,
                    full: hashRoute.full,
                    hostname: loc.hostname.toLowerCase(),
                };
            }
            return {
                path: normalizedPath,
                full: decodeURIComponent(normalizedPath + normalizedSearch),
                hostname: loc.hostname.toLowerCase(),
            };
        } catch (e) {
            const normalizedPath = window.location.pathname.toLowerCase();
            const normalizedSearch = window.location.search.toLowerCase();
            const hashRoute = this.extractHashRoute(window.location.hash || '');
            if (hashRoute) {
                return {
                    path: hashRoute.path,
                    full: hashRoute.full,
                    hostname: window.location.hostname.toLowerCase(),
                };
            }
            return {
                path: normalizedPath,
                full: normalizedPath + normalizedSearch,
                hostname: window.location.hostname.toLowerCase(),
            };
        }
    },

    extractHashRoute(hash = '') {
        const normalizedHash = decodeURIComponent(String(hash || '').trim().toLowerCase());
        if (!normalizedHash) {
            return null;
        }
        const route = normalizedHash.replace(/^#!/, '#').slice(1);
        if (!route || (!route.startsWith('/') && !route.startsWith('?'))) {
            return null;
        }
        const [rawPath = '', rawQuery = ''] = route.split('?');
        const path = rawPath || '/';
        const full = rawQuery ? `${path}?${rawQuery}` : path;
        return {
            path,
            full,
        };
    },

    hasGenericDetailRoute(path = '') {
        return /(?:^|\/)[a-z0-9_-]*(?:detail|details|view|content|item|info|overview|intro)(?:\/|$)/i.test(path);
    },

    hasStrongDetailIdentifier(path = '', full = '', patterns) {
        const paramIdMatch = full.match(patterns.PARAM_ID);
        if (paramIdMatch) {
            const value = paramIdMatch[2] || '';
            if (value.length >= 4 && !patterns.INVALID_ID.test(value)) {
                return true;
            }
        }
        return (
            patterns.PATH_ID.test(path) ||
            /\/\d{4,}(?:\.html)?\/?$/i.test(path) ||
            /\/[a-f0-9]{8,}(?:\.html)?\/?$/i.test(path) ||
            /\/[a-z0-9_-]*\d[a-z0-9_-]{5,}(?:\.html)?\/?$/i.test(path)
        );
    },

    isWeakDetailPath(path = '', full = '', patterns) {
        return this.hasGenericDetailRoute(path) && !this.hasStrongDetailIdentifier(path, full, patterns);
    },

    calculatePathScore(path, full, hostname, patterns) {
        let score = 0;
        score += this.getPrimaryPathScore(path, full, patterns);
        score += this.getDetailPathScore(path, full, patterns);
        score += this.getIdentifierPathScore(path, patterns);
        score += this.getGeneralPathScore(path, full, hostname, patterns);
        score += this.getNegativePathScore(path, full, patterns);
        score += this.getSpecialPathAdjustment(path, full, patterns, score);
        return score;
    },

    getPrimaryPathScore(path, full, patterns) {
        if (
            path.indexOf('/play/') !== -1 ||
            path.indexOf('/watch/') !== -1 ||
            path.indexOf('/vodplay/') !== -1 ||
            path.indexOf('/view/') !== -1 ||
            path.indexOf('/videos/') !== -1 ||
            path.indexOf('/video/') !== -1 ||
            path.indexOf('-video/') !== -1 ||
            path.indexOf('/video-') !== -1 ||
            path.indexOf('video.') !== -1 ||
            path.indexOf('/short/') !== -1 ||
            path.indexOf('/shorties/') !== -1 ||
            path.indexOf('/movie/') !== -1 ||
            path.indexOf('/film/') !== -1 ||
            path.indexOf('/movies/') !== -1 ||
            path.indexOf('/tvshows/') !== -1 ||
            path.indexOf('/drama/') !== -1 ||
            full.includes('.m3u8')
        ) {
            return 100;
        }
        if (/(?:^|\/)(?:p|play|drama|movie|film|short)\/\d+(?:[\/_-]\d+)?(?:\.html|\/|$)/i.test(path)) {
            return 100;
        }
        return patterns.HIGH_SCORE_PATH.test(full) ? 100 : 0;
    },

    getDetailPathScore(path, full, patterns) {
        if (
            patterns.DETAIL_PATH.test(path) ||
            patterns.HIGH_SCORE_FULL.test(full) ||
            (this.hasGenericDetailRoute(path) && this.hasStrongDetailIdentifier(path, full, patterns))
        ) {
            return 100;
        }
        if (!patterns.DETAIL_SPLIT.test(path)) {
            return 0;
        }
        const afterDetail = path.split(patterns.DETAIL_SPLIT)[1];
        return afterDetail && !/^\d+(\.html)?\/?$/.test(afterDetail) ? 100 : 0;
    },

    getIdentifierPathScore(path, patterns) {
        if (patterns.HEX_ROOT.test(path) && /[a-f]/i.test(path) && /[0-9]/.test(path)) {
            return 120;
        }
        let score = 0;
        if (patterns.MULTI_NUM.test(path) && !patterns.YEAR.test(path) && !patterns.FILTER.test(path)) {
            score += 80;
        }
        if (
            /(?:^|\/)\d+\/\d+(?:[\/_-]\d+)?\.html/i.test(path) &&
            !/(?:^|\/)(?:19|20)\d{2}\/\d+(?:\/\d+)?\.html/i.test(path)
        ) {
            score += 80;
        }
        if (patterns.CODE.test(path)) {
            score += 50;
        }
        if (patterns.LONG_ID.test(path)) {
            score += 60;
        }
        return score;
    },

    getGeneralPathScore(path, full, hostname, patterns) {
        let score = 0;
        const hasStrongDetailContext =
              this.hasGenericDetailRoute(path) && this.hasStrongDetailIdentifier(path, full, patterns);
        if (patterns.MEDIUM_SCORE.test(full)) {
            score += 30;
        }
        if (patterns.LOW_SCORE.test(full)) {
            score += 20;
        }
        if (patterns.MINIMAL_SCORE.test(full)) {
            score += 10;
        }
        if (/\.html$/.test(path)) {
            score += 10;
        }
        if (/(?:^|[\/])\d+\.html$/.test(path)) {
            score += 30;
        }
        if (hostname.startsWith('live.') || /forumdisplay/i.test(full)) {
            score -= 60;
        } else if (patterns.NEGATIVE_KEYWORDS.test(full) && !hasStrongDetailContext) {
            score -= 60;
        }
        return score;
    },

    getNegativePathScore(path, full, patterns) {
        let score = 0;
        const hasStrongDetailContext =
              this.hasGenericDetailRoute(path) && this.hasStrongDetailIdentifier(path, full, patterns);
        if (/(?:^|[\/_\?&=-])(tvshows)(?:$|[\/_\?&=-]|\.)/i.test(full)) {
            score -= 100;
        }
        if (patterns.NEGATIVE_PATH.test(path)) {
            score -= 200;
        }
        if (/(^|\/)(movies?|videos?|tvshows?|drama|anime|dongman|vod|shorties?|shorts?|film|shows?|series|episodes?|programs?)\/?$/i.test(path) && !/[\?&](id|vid|aid|cid|v|f|play|name)=/.test(full)) {
            score -= 200;
        }
        if (patterns.STRONG_NEGATIVE.test(path)) {
            score -= 200;
        }
        if (/(vodshow|videoshow)/i.test(path)) {
            score -= 200;
        }
        if (/\/[-_]?(dongman|tvshows)\/+\d+(\.html)?\/?$/i.test(path)) {
            score -= 200;
        }
        if (/\/[-_]?(detail|intro|overview)\/+[a-z0-9-_]+(\.html)?\/?$/i.test(path) && !hasStrongDetailContext) {
            score -= 200;
        }
        if (/(^|\/)(t|topic|thread|post|forum|discuss|article)\/(\d+|[^\/]+\/\d+)(\/|\.html|$)/i.test(path)) {
            score -= 200;
        }
        if (/(^|\/)(v|vod|video)\/\d+(\.html\/?|\/?)$/i.test(path)) {
            score -= 180;
        }
        if (/^\/[a-z-]+\/\d+\.html$/i.test(path) && !hasStrongDetailContext) {
            score -= 30;
        }
        if (/(^|\/|[-_])index\d+(\.html)?\/?$/i.test(path)) {
            score -= 200;
        }
        if (/^\/(?=.*[a-z])(?=.*\d)[a-z0-9]{6,20}\/?$/i.test(path)) {
            score -= 100;
        }
        if (/\/(?=.*[a-z])(?=.*\d)[a-z0-9]{6,20}\/\d{1,3}(\.html)?\/?$/i.test(path)) {
            score -= 100;
        }
        if (/[-_]{2,}\d+/i.test(path)) {
            score -= 100;
        }
        if (patterns.LIST_KEYWORDS.test(full) && !hasStrongDetailContext) {
            score -= 100;
        }
        return score;
    },

    getSpecialPathAdjustment(path, full, patterns, currentScore) {
        let score = 0;
        if (patterns.SORT_PARAMS.test(full)) {
            score -= 60;
        }
        if (/\/category\/[^\/]+\/\d{4,}(\.html)?\/?$/i.test(path)) {
            score += 150;
        }
        if (patterns.YEAR.test(path) && currentScore + score < 100) {
            score -= 50;
        }
        if ((this.isRepositoryDocumentLikePath(path, full) || this.isSourceOrDocumentFilePath(path)) && !this.hasStrongMediaPathContext(path, full, patterns)) {
            score -= 180;
        }
        return score;
    },

    calculateIdScore(path, full, patterns) {
        const parts = this.collectIdParts(path, full, patterns);
        const idMatchBonus = this.getIdMatchBonus(path, full, patterns);
        const bestPartScore = this.scoreIdParts(parts, patterns);
        const score = idMatchBonus + bestPartScore;
        return this.applyGenericDetailIdClamp(path, full, score, bestPartScore, patterns);
    },

    applyGenericDetailIdClamp(path, full, score, bestPartScore, patterns) {
        if (score <= 0 || bestPartScore < 60) {
            return score;
        }
        if (this.hasStrongMediaPathContext(path, full, patterns)) {
            return score;
        }
        if (this.isRepositoryDocumentLikePath(path, full) || this.isSourceOrDocumentFilePath(path)) {
            return Math.min(score, 10);
        }
        const pureNumericLeaf = /\/\d{5,}(?:\.html)?\/?$/i.test(path);
        const genericDetailShell = /^\/[^\/?#]+\/[^\/?#]+\/\d{5,}(?:\.html)?\/?$/i.test(path);
        const articleishPath =
              /(^|\/)(item|entry|doc|docs|article|news|post|topic|thread|subject|book|read|pedia|wiki|baike|intro|overview)(\/|$)/i.test(path) ||
              patterns.NEGATIVE_KEYWORDS.test(full);
        if (pureNumericLeaf && (genericDetailShell || articleishPath)) {
            return Math.min(score, 20);
        }
        return score;
    },

    isRepositoryDocumentLikePath(path, full) {
        return (
            /(^|\/)(blob|tree|raw|src|source|commit|commits|compare|pull|pulls|merge_request|merge_requests|issues?|wiki|repository|repo)(\/|$)/i.test(path) ||
            /[?&](path|file|filepath|ref|branch|plain|tab)=/i.test(full)
        );
    },

    isSourceOrDocumentFilePath(path) {
        return /\.(?:md|markdown|txt|rst|adoc|wiki|json|ya?ml|toml|ini|cfg|conf|log|js|mjs|cjs|jsx|ts|tsx|css|scss|less|html?|xml|svg|py|java|kt|go|rs|c|cc|cpp|h|hpp|sh|bash|zsh|ps1)(?:$|[?#])/i.test(path);
    },

    hasStrongMediaPathContext(path, full, patterns) {
        return (
            (patterns.MULTI_NUM.test(path) && !patterns.YEAR.test(path) && !patterns.FILTER.test(path)) ||
            patterns.HIGH_SCORE_PATH.test(full) ||
            patterns.MEDIUM_SCORE.test(full) ||
            patterns.MINIMAL_SCORE.test(full) ||
            patterns.PATH_ID.test(path) ||
            /(^|\/)(play|watch|vodplay|player|video|videos|movie|movies|film|drama|episode|short|shorties|stream|embed|tvshows)(\/|$)|\.m3u8(?:[?#]|$)/i.test(path)
        );
    },

    collectIdParts(path, full, patterns) {
        const parts = path.split(/\/|\./).filter((part) => part && part.length > 0);
        const paramIdMatch = full.match(patterns.PARAM_ID);
        const pathIdMatch = path.match(patterns.PATH_ID);
        if (paramIdMatch) {
            parts.push(paramIdMatch[2]);
        }
        if (pathIdMatch) {
            parts.push(pathIdMatch[2]);
        }
        return parts;
    },

    getIdMatchBonus(path, full, patterns) {
        let score = 0;
        const paramIdMatch = full.match(patterns.PARAM_ID);
        const pathIdMatch = path.match(patterns.PATH_ID);
        if (paramIdMatch && ['v', 'f', 'id'].includes(paramIdMatch[1])) {
            score += 30;
        }
        if (pathIdMatch) {
            score += 30;
        }
        return score;
    },

    scoreIdParts(parts, patterns) {
        let best = 0;
        for (const part of parts) {
            const partScore = this.scoreSingleIdPart(part, patterns);
            if (partScore === null) {
                continue;
            }
            if (partScore > best) {
                best = partScore;
            }
        }
        return best;
    },

    scoreSingleIdPart(part, patterns) {
        if (patterns.INVALID_ID.test(part) || /^(19|20)\d{2}$/.test(part)) {
            return null;
        }
        if (part.length >= 5) {
            if (/[a-zA-Z]/.test(part) && /[0-9]/.test(part)) {
                return 60;
            }
            if (/^[a-zA-Z_-]+$/.test(part)) {
                if (part.length > 20) {
                    return (part.match(/-/g) || []).length >= 3 ? 30 : -30;
                }
                return 10;
            }
        }
        if (/^[-_]?\d+$/.test(part)) {
            return part.replace(/[-_]/g, '').length >= 6 ? 60 : 20;
        }
        return null;
    },
};

const DynamicPlayButtonUtils = {
    discover(root, helpers) {
        const { findInteractiveAncestor, isVisibleElement, getPrimaryMediaViewportRect, isElementInPrimaryMediaRegion } = helpers;
        const candidates = new Set();
        const mediaRect = getPrimaryMediaViewportRect(root);
        try {
            const addCandidate = (el) => {
                if (!el) {
                    return;
                }
                const candidate =
                      findInteractiveAncestor(el, {
                          stopNode: root,
                          maxDepth: 4,
                      }) || el;
                if (!candidate || candidate.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
                    return;
                }
                if (!isVisibleElement(candidate)) {
                    return;
                }
                if (!isElementInPrimaryMediaRegion(candidate, root, mediaRect)) {
                    return;
                }
                const attrStr = DomUtils.getAttrSignature(candidate);
                if (SHARED_PATTERNS.NEGATIVE_PLAYBACK_CONTROLS.test(attrStr)) {
                    return;
                }
                if (candidate.closest('[class*="prev"], [class*="next"]')) {
                    return;
                }
                const parentLink = candidate.closest('a');
                if (
                    parentLink &&
                    parentLink.href &&
                    !parentLink.href.includes('javascript') &&
                    !candidate.closest(CONSTANTS.SELECTORS.PLAYER_ELEMENTS)
                ) {
                    return;
                }
                candidates.add(candidate);
            };

            root.querySelectorAll('video').forEach((v) => {
                const rect = v.getBoundingClientRect();
                if (rect.width > 50 && rect.height > 50) {
                    const el = document.elementFromPoint(rect.left + rect.width / 2, rect.top + rect.height / 2);
                    if (el && el !== v && !el.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
                        addCandidate(el);
                    }
                }
            });

            root.querySelectorAll(
                '[aria-label*="play" i], [aria-label*="播放"],[title*="play" i], [title*="播放"]'
            ).forEach((el) => {
                if (!el.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION) && isVisibleElement(el)) {
                    const label = (el.getAttribute('aria-label') || el.getAttribute('title') || '').toLowerCase();
                    if (SHARED_PATTERNS.NEGATIVE_PLAYBACK_CONTROLS.test(label)) {
                        return;
                    }
                    addCandidate(el);
                }
            });

            root.querySelectorAll('svg').forEach((svg) => {
                if (svg.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
                    return;
                }
                const html = svg.innerHTML.toLowerCase();
                if (
                    html.includes('l11-7') ||
                    html.includes('polygon') ||
                    /play|bofang/.test(svg.getAttribute('class') || '')
                ) {
                    const rect = svg.getBoundingClientRect();
                    if (rect.width >= 15 && rect.height >= 15) {
                        addCandidate(svg.parentElement || svg);
                    }
                }
            });
        } catch (e) {
            console.debug('Dynamic button discovery failed:', e);
        }
        return Array.from(candidates).filter((el) => isElementInPrimaryMediaRegion(el, root, mediaRect));
    },
};

const PlayerBindingRuntimeUtils = {
    createCleanupBag() {
        const cleanupFns = [];
        return {
            cleanupFns,
            run() {
                cleanupFns.splice(0).forEach((fn) => fn());
            },
        };
    },

    cancelVideoFrameCallback(video, frameCallbackId) {
        if (frameCallbackId && typeof video.cancelVideoFrameCallback === 'function') {
            video.cancelVideoFrameCallback(frameCallbackId);
        }
        return null;
    },

    bindVideoErrorOnce(video, cleanupFns, onError) {
        const handleError = () => {
            onError();
        };
        video.addEventListener('error', handleError, { once: true });
        cleanupFns.push(() => video.removeEventListener('error', handleError));
    },

    bindFirstMatchingVideoSignal(video, eventNames, cleanupFns, onSignal, listenerOptions = { once: true }) {
        let settled = false;
        const bindings = [];
        const finalize = () => {
            if (settled) {
                return;
            }
            settled = true;
            bindings.forEach(({ eventName, handler, options }) => {
                video.removeEventListener(eventName, handler, options);
            });
            onSignal();
        };
        eventNames.forEach((eventName) => {
            const handler = () => finalize();
            const binding = { eventName, handler, options: listenerOptions };
            bindings.push(binding);
            video.addEventListener(eventName, handler, listenerOptions);
            cleanupFns.push(() => video.removeEventListener(binding.eventName, binding.handler, binding.options));
        });
    },

    startVideoFrameLoop(video, onFrame, storeId, shouldContinue) {
        if (typeof video.requestVideoFrameCallback !== 'function') {
            return;
        }
        const handleFrame = () => {
            onFrame();
            if (shouldContinue()) {
                storeId(video.requestVideoFrameCallback(handleFrame));
            }
        };
        storeId(video.requestVideoFrameCallback(handleFrame));
    },

    toggleDocumentPointerEvents(manager, operation, bindings) {
        bindings.forEach(([eventName, handlerKey]) => {
            document[operation](eventName, manager[handlerKey], { capture: true });
        });
    },
};


const RefactorCollectionUtils = {
    hasOwn(target, key) {
        return Object.prototype.hasOwnProperty.call(target, key);
    },

    snapshot(items) {
        return Array.isArray(items) ? [...items] : [];
    },

    freezeCollection(items) {
        return Object.freeze(
            items.map((item) => (item && typeof item === 'object' ? Object.freeze({ ...item }) : item))
        );
    },
};

const EventBusCore = {
    ensureBucket(listeners, event) {
        if (!listeners[event]) {
            listeners[event] = [];
        }
        return listeners[event];
    },

    on(listeners, event, callback) {
        if (typeof callback !== 'function') {
            return () => {};
        }
        const bucket = this.ensureBucket(listeners, event);
        if (!bucket.includes(callback)) {
            bucket.push(callback);
        }
        return () => this.off(listeners, event, callback);
    },

    off(listeners, event, callback) {
        if (!listeners[event]) {
            return;
        }
        listeners[event] = listeners[event].filter((cb) => cb !== callback);
        if (listeners[event].length === 0) {
            delete listeners[event];
        }
    },

    emit(listeners, event, data) {
        if (!listeners[event]) {
            return;
        }
        RefactorCollectionUtils.snapshot(listeners[event]).forEach((cb) => cb(data));
    },
};

const EventBus = {
    listeners: {},
    on(event, callback) {
        return EventBusCore.on(this.listeners, event, callback);
    },
    off(event, callback) {
        return EventBusCore.off(this.listeners, event, callback);
    },
    emit(event, data) {
        return EventBusCore.emit(this.listeners, event, data);
    },
};

const State = {
    config: {},
};
class BaseModule {
    constructor(context, name) {
        this.context = context;
        this.name = name;
    }

    log(msg, type = CONSTANTS.LOG_TYPES.INFO) {
        this.context.actionLogger.log(msg, type);
    }

    init() {}

    enable() {
        this.init();
    }

    disable() {}
}

const PlayerUiDescriptors = {
    BOTTOM_CONTROL_ITEMS: [
        {
            tag: 'span',
            attrs: {
                className: 'dmz-time-display dmz-current-time',
                textContent: '00:00',
            },
        },
        {
            tag: 'div',
            attrs: {
                className: 'dmz-time-separator',
                textContent: '/',
            },
        },
        {
            tag: 'span',
            attrs: {
                className: 'dmz-time-display dmz-total-time',
                textContent: '00:00',
            },
        },
        {
            tag: 'div',
            attrs: { className: 'dmz-spacer' },
        },
        {
            tag: 'button',
            attrs: {
                className: 'dmz-control-button dmz-mute-btn',
                innerHTML: ICONS.VOLUME_ON + ICONS.VOLUME_OFF,
            },
        },
        {
            tag: 'button',
            attrs: {
                className: 'dmz-control-button dmz-fullscreen-btn',
                innerHTML: ICONS.FS_ENTER + ICONS.FS_EXIT,
            },
        },
    ],

    MORE_MENU_ITEMS: [
        {
            className: 'dmz-menu-item dmz-pip-btn',
            innerHTML: ICONS.PIP + '<span class="dmz-menu-item-label">画中画</span>',
        },
        {
            className: 'dmz-menu-item dmz-playback-rate-btn',
            innerHTML:
            ICONS.PLAYBACK_RATE +
            '<span class="dmz-menu-item-label">播放速度</span><span class="dmz-menu-item-value">正常</span>',
        },
    ],

    PLAYBACK_RATE_ITEMS: [
        {
            className: 'dmz-menu-item',
            dataRate: '0.5',
            textContent: '0.5x',
        },
        {
            className: 'dmz-menu-item active',
            dataRate: '1.0',
            textContent: '正常',
        },
        {
            className: 'dmz-menu-item',
            dataRate: '1.5',
            textContent: '1.5x',
        },
        {
            className: 'dmz-menu-item',
            dataRate: '2.0',
            textContent: '2.0x',
        },
    ],
};

const PlayerUiFactoryUtils = {
    createNodes(descriptors) {
        return descriptors.map(({ tag, attrs }) => DomUtils.create(tag, attrs));
    },

    createMenuItem(descriptor) {
        const attrs = {
            className: descriptor.className,
        };
        if (descriptor.innerHTML) {
            attrs.innerHTML = descriptor.innerHTML;
        }
        if (descriptor.textContent) {
            attrs.textContent = descriptor.textContent;
        }
        if (descriptor.dataRate) {
            attrs['data-rate'] = descriptor.dataRate;
        }
        return DomUtils.create('div', attrs);
    },

    createMenuItems(descriptors) {
        return descriptors.map((descriptor) => this.createMenuItem(descriptor));
    },

    createProgressRail() {
        return DomUtils.create('div', { className: 'dmz-progress-rail' }, [
            DomUtils.create('div', { className: 'dmz-progress-buffer' }),
            DomUtils.create('div', { className: 'dmz-progress-played' }),
            DomUtils.create('div', { className: 'dmz-progress-handle' }),
        ]);
    },
};

const PlayerDomFactory = {
    createDragHandleBar() {
        return DomUtils.create('div', { className: CONSTANTS.CLASSES.DRAG_HANDLE }, [
            DomUtils.create('div', {
                className: `${CONSTANTS.CLASSES.SCREW_EFFECT} left`,
            }),
            DomUtils.create('div', { className: CONSTANTS.CLASSES.INDICATOR }),
            DomUtils.create('div', {
                className: `${CONSTANTS.CLASSES.SCREW_EFFECT} right`,
            }),
        ]);
    },

    createControlsBar(manager) {
        return DomUtils.create('div', { className: 'dmz-controls-bar' }, [
            this.createBottomControls(manager),
            this.createProgressContainer(),
        ]);
    },

    createBottomControls(manager) {
        return DomUtils.create('div', { className: 'dmz-bottom-controls' }, [
            ...PlayerUiFactoryUtils.createNodes(PlayerUiDescriptors.BOTTOM_CONTROL_ITEMS),
            this.createMoreMenuContainer(manager),
        ]);
    },

    createMoreMenuContainer(manager) {
        return DomUtils.create('div', { className: 'dmz-more-menu-container' }, [
            DomUtils.create('button', {
                className: 'dmz-control-button dmz-more-btn',
                innerHTML: ICONS.MORE,
            }),
            this.createMoreMenu(manager),
        ]);
    },

    createMoreMenu(manager) {
        return DomUtils.create('div', { className: 'dmz-more-menu' }, [
            ...PlayerUiFactoryUtils.createMenuItems(PlayerUiDescriptors.MORE_MENU_ITEMS),
            this.createPlaybackRatesMenu(),
        ]);
    },

    createPlaybackRatesMenu() {
        return DomUtils.create(
            'div',
            { className: 'dmz-playback-rates' },
            PlayerUiFactoryUtils.createMenuItems(PlayerUiDescriptors.PLAYBACK_RATE_ITEMS)
        );
    },

    createProgressContainer() {
        return DomUtils.create('div', { className: 'dmz-progress-container' }, [
            DomUtils.create('div', { className: 'dmz-progress-bar' }, [
                PlayerUiFactoryUtils.createProgressRail(),
            ]),
        ]);
    },

    createHostElement() {
        const hostElement = DomUtils.create('div', {
            id: CONSTANTS.IDS.ROOT,
            style: {
                left: '50%',
                top: '0px',
                width: '280px',
                height: '36px',
                gap: '0px',
                transform: 'translateX(-50%) translateY(0px)',
            },
        });
        hostElement.addEventListener(
            'click',
            (e) => {
                if (e.target.closest(`.${CONSTANTS.CLASSES.VIDEO_WRAPPER}, .${CONSTANTS.CLASSES.DRAG_HANDLE}`)) {
                    e.stopPropagation();
                }
            },
            true
        );
        return hostElement;
    },

    createCloseButton(manager) {
        const closeButton = DomUtils.create('div', {
            className: CONSTANTS.CLASSES.CLOSE_BUTTON,
            textContent: '×',
        });
        const handleClose = (e) => {
            e.stopPropagation();
            e.preventDefault();
            manager.context.coreLogic.restorePageToOriginalState();
        };
        closeButton.addEventListener('touchend', handleClose);
        closeButton.addEventListener('click', handleClose);
        return closeButton;
    },

    createPlayerVideoElement(manager) {
        const savedConfig = manager.context.settingsManager.config;
        const actualVideo = DomUtils.create('video', {
            id: CONSTANTS.IDS.PLAYER,
            playsInline: true,
            autoplay: savedConfig.autoPlay,
            preload: 'auto',
        });
        manager.videoElement = actualVideo;
        actualVideo.playsInline = true;
        actualVideo.setAttribute('playsinline', '');
        actualVideo.setAttribute('webkit-playsinline', '');
        actualVideo.setAttribute('x5-playsinline', 'true');
        actualVideo.setAttribute('x5-video-player-type', 'h5');
        actualVideo.defaultMuted = true;
        actualVideo.volume = savedConfig.lastVolume;
        actualVideo.playbackRate = savedConfig.defaultPlaybackRate;
        this.applySavedMutePreference(manager, actualVideo, savedConfig);
        return actualVideo;
    },

    applySavedMutePreference(manager, video, savedConfig) {
        if (savedConfig.isMuted) {
            video.muted = true;
            manager.log('应用用户偏好：静音。', CONSTANTS.LOG_TYPES.PLAYER);
            return;
        }
        video.muted = true;
        video.dataset.dmzStrategicMute = 'true';
        manager.log('应用用户偏好：策略性静音已启动。', CONSTANTS.LOG_TYPES.PLAYER);
    },

    createVideoWrapper(manager, closeButton, actualVideo) {
        const videoWrapper = DomUtils.create('div', {
            className: CONSTANTS.CLASSES.VIDEO_WRAPPER,
            innerHTML: `<div class="dmz-side-indicator-container left"><div class="dmz-side-indicator-bar-wrapper"><div class="dmz-side-indicator-fill transition-active"></div></div><div class="dmz-side-indicator-icon">${ICONS.BRIGHTNESS}</div></div><div class="dmz-side-indicator-container right"><div class="dmz-side-indicator-bar-wrapper"><div class="dmz-side-indicator-fill transition-active"></div></div><div class="dmz-side-indicator-icon">${ICONS.VOLUME_SIDE}</div></div><div class="dmz-big-play-button-container"><button class="dmz-big-play-button">${ICONS.BIG_PLAY}${ICONS.BIG_PAUSE}</button></div><div class="dmz-gesture-indicator-wrapper"><div class="dmz-indicator-icon">${ICONS.FORWARD}${ICONS.REWIND}</div><div class="dmz-indicator-text"></div></div><div class="dmz-brightness-overlay"></div>`,
        });
        videoWrapper.prepend(closeButton, actualVideo);
        videoWrapper.append(this.createControlsBar(manager));
        this.bindWrapperActivity(manager, videoWrapper);
        return videoWrapper;
    },

    bindWrapperActivity(manager, videoWrapper) {
        videoWrapper.addEventListener('touchstart', () => manager.resetIndicatorTimeout(), { passive: true });
        videoWrapper.addEventListener('mousemove', () => manager.resetIndicatorTimeout());
    },

    createPlayerShell(manager, videoWrapper) {
        const headerBar = this.createDragHandleBar();
        const footerBar = this.createDragHandleBar();
        manager.dragHandles = [headerBar, footerBar];
        return DomUtils.create('div', {}, [headerBar, videoWrapper, footerBar]);
    },
};
const CoreStateFactory = {
    createDefaults() {
        return {
            failedCandidateKeys: new Set(),
            failedRiskyM3u8Patterns: new Set(),
            lastSuccessfulUrl: null,
            pageVideoAssociations: new Map(),
            globalSeenVideoUrls: new Set(),
            currentDecisionHadMediaElement: false,
            decisionMade: false,
            decisionInProgress: false,
            takeoverCandidates: new Map(),
            lastCandidatesBackup: new Map(),
            lastPostedUrl: null,
            currentRequestId: 0,
            activeNeutralizers: new Set(),
            currentPlayingQuality: null,
            backupBufferTimer: null,
            isBufferingBackupCandidates: false,
            bufferedBackupCandidates: new Map(),
            hiddenIframeElement: null,
            originalIframeSrc: '',
            neutralizedMedia: new Set(),
            enforcerInterval: null,
            passiveCandidates: new Map(),
            userIntendsToSwitch: false,
            userActionTimeout: null,
            m3u8SessionCache: new Map(),
            m3u8FetchInflight: new Map(),
            m3u8ProcessedCache: new Map(),
            keyBinaryCache: new Map(),
            keyFetchInflight: new Map(),
            keyBlobUrlCache: new Map(),
            currentDecisionSourceName: '',
            currentDecisionM3u8Text: null,
            pendingSpaCandidate: null,
            pendingSpaCandidates: [],
            pendingSpaTimer: null,
            pendingRecoveryTimer: null,
            lastSpaNavigationAt: 0,
            lastSpaNavigationSignature: '',
            lastSpaNavigationWasColdStart: false,
            mediaQueryCache: {
                stamp: 0,
                result: [],
            },
        };
    },
};
const CoreEnforcer = {
    start(core) {
        if (core.enforcerInterval) {
            return;
        }
        if (!core._lastEnforcerStartAt || Date.now() - core._lastEnforcerStartAt > 1500) {
            core.log('启动【持久化压制器】，确保原生播放器静默。', CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE);
        }
        core._lastEnforcerStartAt = Date.now();
        core.enforcerInterval = Utils.startPollingTask(
            1000,
            () => {
                const isPlaying = core.context.playerManager.isPlayerActiveOrInitializing;
                if (!isPlaying && core.neutralizedMedia.size === 0) {
                    this.stop(core);
                    return false;
                }
                core.neutralizedMedia.forEach((media) => {
                    if (!document.body.contains(media)) {
                        core.neutralizedMedia.delete(media);
                    } else if (media.paused === false || media.muted === false) {
                        media.pause();
                        media.muted = true;
                    }
                });
                if (CONSTANTS.IS_TOP_FRAME && isPlaying) {
                    core.context.playerManager.broadcastPauseToFrames();
                }
                return true;
            },
            'Persistent enforcer failed:'
        );
    },

    stop(core) {
        if (!core.enforcerInterval) {
            return;
        }
        if (!core._lastEnforcerStopAt || Date.now() - core._lastEnforcerStopAt > 1500) {
            core.log('停止【持久化压制器】。', CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE);
        }
        core._lastEnforcerStopAt = Date.now();
        clearInterval(core.enforcerInterval);
        core.enforcerInterval = null;
        core.neutralizedMedia.clear();
    },
};
const CoreRemoteTrigger = {
    prepareRuntime(core, domScanner, mode = 'switch') {
        core.isSystemHalted = false;
        core.setUserIntentToSwitch(mode);
        domScanner.isStopped = false;
    },

    tryPromoteCurrentFrameUrl(core) {
        const directUrl = core._extractUrlFromParameter(window.location.href);
        if (!(directUrl && directUrl !== window.location.href && /^https?:\/\//.test(directUrl))) {
            return false;
        }
        if (!/(?:\.m3u8|\.mp4|\.m3u|\.flv|\.mpd)(?:[?#]|$)|\/(?:hls|play|vod|stream|video)\//i.test(directUrl)) {
            return false;
        }
        core.log(
            `[跨域交互]|☎️|检测到当前iFrame地址内已携带直连参数，优先上报:${directUrl.slice(-60)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        core.addTakeoverCandidate({
            url: directUrl,
            sourceName: '跨域遥控触发(URL参数直连)',
        });
        return true;
    },

    tryReplayMemory(core) {
        if (!(core.lastSuccessfulUrl && core.lastSuccessfulUrl.startsWith('http'))) {
            return false;
        }
        core.log(
            `[记忆回溯]|🌀|远程触发：优先复用历史播放记录:${core.lastSuccessfulUrl.slice(-50)}。`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        core.addTakeoverCandidate({
            url: core.lastSuccessfulUrl,
            sourceName: '跨域遥控触发器(顶层记忆重播)',
        });
        return true;
    },

    hideSwitchOverlays() {
        document.querySelectorAll('.dmz-switch-overlay').forEach((element) => {
            element.style.display = 'none';
        });
    },

    resolveMediaUrl(core, media) {
        let targetUrl = media.src || media.querySelector('source')?.src || media.dataset.dmzOriginalSrc;
        if ((!targetUrl || targetUrl.startsWith('blob:')) && core.lastSuccessfulUrl) {
            targetUrl = core.lastSuccessfulUrl;
        }
        return targetUrl;
    },

    forceSignalGeneration(media) {
        media.dataset.dmzAllowSignalGeneration = 'true';
        try {
            media.currentTime = 0;
            media.play();
        } catch (e) {
            console.debug('Failed to force play media:', e);
        }
        setTimeout(() => {
            delete media.dataset.dmzAllowSignalGeneration;
            media.pause();
        }, 1500);
    },

    handleMedia(core, media) {
        delete media.dataset.dmzSourceLocked;
        const targetUrl = this.resolveMediaUrl(core, media);
        if (targetUrl && targetUrl.startsWith('http')) {
            core.addTakeoverCandidate({
                url: targetUrl,
                sourceName: '跨域遥控触发',
            });
            return;
        }
        this.forceSignalGeneration(media);
    },

    handleClick(core) {
        const { domScanner } = core.context;
        core.log(`[跨域交互]|☎️|收到来自顶层的激活指令，开始执行内部唤醒程序...`, CONSTANTS.LOG_TYPES.CORE_EXEC);
        this.prepareRuntime(core, domScanner, 'replay');
        if (this.tryPromoteCurrentFrameUrl(core)) {
            return;
        }
        if (this.tryReplayMemory(core)) {
            return;
        }
        this.hideSwitchOverlays();
        PageScanner.scanForFlashvars(core.context);
        PageScanner.scanForEmbeddedData(core.context);
        core.neutralizedMedia.forEach((media) => this.handleMedia(core, media));
        domScanner.scanPage();
    },
};
class GMFragmentLoader extends CONSTANTS.Hls.DefaultConfig.loader {
    constructor(config) {
        super(config);
    }
    load(context, config, callbacks) {
        if (typeof GM_xmlhttpRequest === 'undefined' || context.url.startsWith('blob:') || context.url.startsWith('data:')) {
            return super.load(context, config, callbacks);
        }

        this.context = context;
        this.callbacks = callbacks;
        this.stats = { trequest: performance.now(), tfirst: 0, tload: 0, loaded: 0, total: 0 };

        this.request = GM_xmlhttpRequest({
            method: 'GET',
            url: context.url,
            responseType: context.responseType || 'arraybuffer',
            timeout: config.timeout || 20000,
            headers: {
                'Referer': window.location.href,
                'Accept': '*/*'
            },
            onload: (res) => {
                this.stats.tfirst = Math.max(this.stats.trequest, performance.now());
                this.stats.tload = Math.max(this.stats.tfirst, performance.now());
                if (res.status >= 200 && res.status < 300) {
                    let data = res.response;
                    if (context.responseType !== 'arraybuffer') {
                        data = res.responseText || data;
                    }
                    this.stats.loaded = data ? (data.byteLength || data.length || 0) : 0;
                    this.stats.total = this.stats.loaded;
                    callbacks.onSuccess({ url: res.finalUrl || context.url, data: data }, this.stats, context, res);
                } else {
                    callbacks.onError({ code: res.status, text: res.statusText }, context, res);
                }
            },
            onerror: (err) => callbacks.onError({ code: 0, text: err.error || 'Network Error' }, context, null),
            ontimeout: () => callbacks.onTimeout(this.stats, context, null),
            onabort: () => callbacks.onAbort && callbacks.onAbort(this.stats, context, null)
        });
    }
    abort() {
        if (this.request && typeof this.request.abort === 'function') {
            this.request.abort();
        } else {
            super.abort();
        }
    }
    destroy() {
        this.abort();
        super.destroy();
    }
}

const PlayerHlsController = {
    attachPlayback(manager, videoElement, isFirstPlay) {
        if (!CONSTANTS.Hls?.isSupported()) {
            manager.log('HLS.js 不支持M3U8播放。', CONSTANTS.LOG_TYPES.ERROR);
            manager.cleanup();
            return;
        }
        manager.currentPlaybackEngine = 'HLS.js (v1.5.20 Optimized)';
        const hls = new CONSTANTS.Hls(this.getConfig());
        manager.hlsInstance = hls;
        hls.attachMedia(videoElement);
        this.bindEvents(manager, hls, videoElement, isFirstPlay);
    },

    bindEvents(manager, hls, videoElement, isFirstPlay) {
        const { diagnosticsTool } = manager.context;
        const hlsState = { firstFragStart: 0, consecutiveNetworkErrors: 0 };
        hls.on(CONSTANTS.Hls.Events.MEDIA_ATTACHED, () => {
            this.handleMediaAttached(manager, hls);
        });
        hls.on(CONSTANTS.Hls.Events.MANIFEST_PARSED, (event, data) => {
            this.handleManifestParsed(manager, hls, videoElement, isFirstPlay, data, hlsState);
        });
        hls.on(CONSTANTS.Hls.Events.FRAG_PARSED, (event, data) => {
            this.handleFragmentParsed(manager, hls, data);
        });
        hls.on(CONSTANTS.Hls.Events.LEVEL_UPDATED, (event, data) => {
            this.handleLevelUpdated(manager, hls, data);
        });
        hls.on(CONSTANTS.Hls.Events.FRAG_LOADING, () => {
            if (!hlsState.firstFragStart) {
                hlsState.firstFragStart = performance.now();
            }
        });
        hls.on(CONSTANTS.Hls.Events.FRAG_LOADED, (event, data) => {
            this.handleFragmentLoaded(manager, data, hlsState);
        });
        hls.on(CONSTANTS.Hls.Events.KEY_LOADED, () => {
            diagnosticsTool.playbackHealth.key.status = 'success';
        });
        hls.on(CONSTANTS.Hls.Events.ERROR, (event, data) => {
            this.handleError(manager, hls, data, hlsState);
        });
    },

    handleMediaAttached(manager, hls) {
        manager.context.coreLogic.sandboxManager.cleanup();
        manager.log('媒体元素已绑定，立即加载数据源...', CONSTANTS.LOG_TYPES.HLS);
        hls.loadSource(manager.m3u8BlobUrl);
    },

    capturePredefinedResolution(manager, source, width, height) {
        if (manager.currentVideoResolution || manager.predefinedResolution || !width || !height) {
            return;
        }
        manager.predefinedResolution = { width, height };
        manager.log(
            `⚡️ [HLS优化] 通过${source} 获取真实尺寸:${width}x${height}，立即渲染。`,
            CONSTANTS.LOG_TYPES.PLAYER_REVEAL
        );
    },

    handleManifestParsed(manager, hls, videoElement, isFirstPlay, data, hlsState) {
        const { diagnosticsTool } = manager.context;
        this.applyBestManifestLevel(manager, hls, data.levels);
        manager.log(`清单解析完成，发现${data.levels.length}个清晰度，开始缓冲...`, CONSTANTS.LOG_TYPES.HLS);
        diagnosticsTool.playbackHealth.manifest.status = 'success';
        hlsState.consecutiveNetworkErrors = 0;
        this.autoplayAfterManifest(manager, videoElement, isFirstPlay);
    },

    applyBestManifestLevel(manager, hls, levels) {
        if (!(levels && levels.length > 0)) {
            return;
        }
        const bestChoice = this.getBestLevelChoice(levels);
        hls.startLevel = bestChoice.index;
        hls.nextLevel = bestChoice.index;
        const levelInfo = this.extractLevelInfo(bestChoice.level);
        this.captureManifestResolution(manager, levelInfo.width, levelInfo.height);
        manager.log(
            `强制高分辨率|等级Lv${bestChoice.index}:${this.formatLevelInfo(levelInfo)}`,
            CONSTANTS.LOG_TYPES.HLS
        );
    },

    extractLevelInfo(bestLevel) {
        const attrs = bestLevel.attrs || {};
        return {
            width: bestLevel.width || (attrs.RESOLUTION ? attrs.RESOLUTION.width : 0),
            height: bestLevel.height || (attrs.RESOLUTION ? attrs.RESOLUTION.height : 0),
            bitrate: bestLevel.bitrate || attrs.BANDWIDTH || 0,
        };
    },

    captureManifestResolution(manager, width, height) {
        if (width && height) {
            this.capturePredefinedResolution(manager, 'MANIFEST_PARSED', width, height);
        }
    },

    formatLevelInfo(levelInfo) {
        if (levelInfo.width && levelInfo.height) {
            return `${levelInfo.width}x${levelInfo.height} | ${Math.round(levelInfo.bitrate / 1024)}kbps`;
        }
        return `${Math.round(levelInfo.bitrate / 1024)}kbps`;
    },

    autoplayAfterManifest(manager, videoElement, isFirstPlay) {
        const { settingsManager } = manager.context;
        if (!(isFirstPlay || settingsManager.config.autoPlay)) {
            return;
        }
        const playPromise = videoElement.play();
        if (playPromise !== undefined) {
            playPromise.catch(() => {});
        }
    },

    getBestLevelChoice(levels) {
        return levels
            .map((level, index) => ({ level, index }))
            .sort((a, b) => {
            const areaA = (a.level.width || 0) * (a.level.height || 0);
            const areaB = (b.level.width || 0) * (b.level.height || 0);
            if (areaA !== areaB) {
                return areaB - areaA;
            }
            return (b.level.bitrate || 0) - (a.level.bitrate || 0);
        })[0];
    },

    handleFragmentParsed(manager, hls, data) {
        const { diagnosticsTool } = manager.context;
        if (diagnosticsTool.playbackHealth.segments.status !== 'success') {
            diagnosticsTool.playbackHealth.segments.status = 'success';
        }
        if (data.frag && hls.levels[data.frag.level]) {
            const level = hls.levels[data.frag.level];
            this.capturePredefinedResolution(manager, 'FRAG_PARSED', level.width, level.height);
        }
    },

    handleLevelUpdated(manager, hls, data) {
        if (data.details && hls.levels[data.level]) {
            const level = hls.levels[data.level];
            this.capturePredefinedResolution(manager, 'LEVEL_UPDATED', level.width, level.height);
        }
    },

    handleFragmentLoaded(manager, data, hlsState) {
        const { diagnosticsTool } = manager.context;
        if (diagnosticsTool.playbackHealth.segments.status !== 'success') {
            const now = performance.now();
            const manualTime = hlsState.firstFragStart ? now - hlsState.firstFragStart : 0;
            const stats = data.stats || {};
            const fragStats = (data.frag ? data.frag.stats : {}) || {};
            const bytes =
                  (data.payload ? data.payload.byteLength || data.payload.length : 0) ||
                  stats.loaded ||
                  stats.total ||
                  fragStats.loaded ||
                  fragStats.total ||
                  0;
            const timeStr = manualTime > 1 ? manualTime.toFixed(0) : bytes > 0 ? '<1' : '0(缓存)';
            const size = bytes > 0 ? (bytes < 1024 ? bytes + 'B' : (bytes / 1024).toFixed(1) + 'KB') : '缓存命中';
            const timeDisplay = manualTime > 1000 ? `${(manualTime / 1000).toFixed(1)}s` : `${timeStr}ms`;
            manager.log(`首个分片下载成功(${size})，耗时${timeDisplay}。`, CONSTANTS.LOG_TYPES.HLS);
        }
        diagnosticsTool.playbackHealth.segments.status = 'success';
        hlsState.consecutiveNetworkErrors = 0;
    },

    handleError(manager, hls, data, hlsState) {
        if (!data.fatal) {
            return;
        }
        if (this.handleNetworkError(manager, hls, data, hlsState)) {
            return;
        }
        if (this.handleMediaError(manager, hls, data)) {
            return;
        }
        this.handleFatalError(manager, hls, data);
    },

    handleNetworkError(manager, hls, data, hlsState) {
        if (data.type !== CONSTANTS.Hls.ErrorTypes.NETWORK_ERROR) {
            return false;
        }
        hlsState.consecutiveNetworkErrors++;
        manager.log(`⚠️HLS 网络波动:${data.details}`, CONSTANTS.LOG_TYPES.WARN);
        if (hlsState.consecutiveNetworkErrors <= 3) {
            hls.startLoad();
        } else {
            manager.log(`❌ HLS 网络错误重试上限，停止播放。`, CONSTANTS.LOG_TYPES.ERROR);
        }
        return true;
    },

    handleMediaError(manager, hls, data) {
        if (data.type !== CONSTANTS.Hls.ErrorTypes.MEDIA_ERROR) {
            return false;
        }
        manager.log('HLS 媒体解码异常，尝试恢复...', CONSTANTS.LOG_TYPES.HLS);
        hls.recoverMediaError();
        return true;
    },

    handleFatalError(manager, hls, data) {
        manager.log(`HLS致命错误:${data.type}`, CONSTANTS.LOG_TYPES.ERROR);
        hls.destroy();
        manager.cleanup();
    },

    getConfig() {
        return {
            ...this.getBufferConfig(),
            ...this.getLoadingConfig(),
            ...this.getCodecConfig(),
        };
    },

    getBufferConfig() {
        return {
            debug: false,
            enableWorker: true,
            lowLatencyMode: false,
            backBufferLength: 90,
            maxBufferLength: 60,
            maxMaxBufferLength: 600,
            maxBufferSize: 120 * 1024 * 1024,
            maxBufferHole: 2.5,
            maxSeekHole: 2.0,
        };
    },

    getLoadingConfig() {
        return {
            startFragPrefetch: true,
            maxLoadingDelay: 1,
            minAutoBitrate: 0,
            manifestLoadingTimeOut: 15000,
            manifestLoadingMaxRetry: 3,
            manifestLoadingRetryDelay: 500,
            fragLoadingTimeOut: 25000,
            fragLoadingMaxRetry: 5,
            levelLoadingTimeOut: 15000,
            fLoader: GMFragmentLoader,
            keyLoader: GMFragmentLoader,
        };
    },

    getCodecConfig() {
        return {
            defaultAudioCodec: 'mp4a.40.2',
            enableSoftwareAES: true,
            capLevelToPlayerSize: false,
        };
    },
};
const PlayerCleanupDescriptors = {
    PLAYER_UI_REFERENCE_KEYS: [
        'hostElement',
        'shadowRoot',
        'videoElement',
        'draggableInstance',
        'fullscreenGestureHandler',
        'customControlsHandler',
        'fullscreenHandler',
    ],
    PLAYER_RUNTIME_RESET_MAP: {
        isPlayerActiveOrInitializing: false,
        currentVideoType: null,
        currentVideoUrl: null,
        currentVideoFormat: null,
        currentPlaybackEngine: null,
        lastM3u8Content: '',
        currentRequestUrl: null,
    },
    HIDDEN_IFRAME_STYLE_KEYS: [
        ['visibility', 'originalIframeVisibilityStyle'],
        ['pointerEvents', 'originalIframePointerEventsStyle'],
    ],
};

const PlayerCleanupFactoryUtils = {
    clearStreamingTimers(manager) {
        manager.indicatorHideTimeout = PlayerBindingHelpers.clearTimer(manager.indicatorHideTimeout);
    },

    destroyStreamingArtifacts(manager) {
        if (manager.hlsInstance) {
            manager.hlsInstance.detachMedia();
            manager.hlsInstance.destroy();
        }
        if (manager.m3u8BlobUrl) {
            URL.revokeObjectURL(manager.m3u8BlobUrl);
            manager.m3u8BlobUrl = null;
        }
    },

    resetUiReferences(manager) {
        PlayerCleanupDescriptors.PLAYER_UI_REFERENCE_KEYS.forEach((key) => {
            manager[key] = null;
        });
    },

    resetRuntimeState(manager) {
        Object.entries(PlayerCleanupDescriptors.PLAYER_RUNTIME_RESET_MAP).forEach(([key, value]) => {
            manager[key] = value;
        });
    },

    restoreHiddenIframeStyles(coreLogic) {
        PlayerCleanupDescriptors.HIDDEN_IFRAME_STYLE_KEYS.forEach(([styleKey, snapshotKey]) => {
            coreLogic.hiddenIframeElement.style[styleKey] = coreLogic[snapshotKey];
            coreLogic[snapshotKey] = '';
        });
    },
};

const PlayerCleanupManager = {
    cleanup(manager, isInternalCall = false) {
        const { diagnosticsTool, coreLogic } = manager.context;
        manager.log(`开始清理播放器... (内部调用:${isInternalCall})。`, CONSTANTS.LOG_TYPES.PLAYER);
        this.prepare(manager);
        this.runSteps(manager, isInternalCall, diagnosticsTool, coreLogic);
        manager.isInternalRequest = false;
    },

    prepare(manager) {
        window.removeEventListener('orientationchange', manager.boundHandleOrientationChange);
        window.removeEventListener('resize', manager.boundHandleViewportChange);
        window.visualViewport?.removeEventListener('resize', manager.boundHandleViewportChange);
        manager.originalPlayerStyle = null;
        manager.currentVideoResolution = null;
        manager.viewportClampTaskToken += 1;
        manager.isUsingSavedPlayerPosition = false;
    },

    runSteps(manager, isInternalCall, diagnosticsTool, coreLogic) {
        this.restoreRemoteTriggers();
        this.stopPersistentEnforcerIfNeeded(isInternalCall, coreLogic);
        this.cleanupStreamingResources(manager);
        this.cleanupPlayerUi(manager);
        if (!isInternalCall) {
            this.resetPlaybackContext(manager, diagnosticsTool, coreLogic);
        }
    },

    stopPersistentEnforcerIfNeeded(isInternalCall, coreLogic) {
        if (!isInternalCall) {
            coreLogic.stopPersistentEnforcer();
        }
    },

    restoreRemoteTriggers() {
        document.querySelectorAll('.dmz-iframe-remote-trigger').forEach((el) => {
            el.style.display = 'flex';
            if (el.dmzUpdatePos) {
                el.dmzUpdatePos();
            }
        });
    },

    cleanupStreamingResources(manager) {
        try {
            PlayerCleanupFactoryUtils.clearStreamingTimers(manager);
            PlayerCleanupFactoryUtils.destroyStreamingArtifacts(manager);
        } catch (e) {
            manager.log(`清理HLS或Blob时发生错误:${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
        } finally {
            manager.hlsInstance = null;
            manager.indicatorHideTimeout = null;
        }
    },

    cleanupPlayerUi(manager) {
        if (!manager.hostElement) {
            return;
        }
        try {
            this.cleanupVideoElementNode(manager);
            this.destroyPlayerUiModules(manager);
            manager.hostElement.remove();
        } catch (e) {
            manager.log(`清理播放器UI模块时发生错误:${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
        } finally {
            this.resetPlayerUiReferences(manager);
        }
    },

    cleanupVideoElementNode(manager) {
        if (!manager.videoElement) {
            return;
        }
        manager.videoElement.pause();
        manager.videoElement.removeAttribute('src');
        manager.videoElement.load();
    },

    destroyPlayerUiModules(manager) {
        manager.draggableInstance?.destroy();
        manager.fullscreenGestureHandler?.deactivate();
        manager.customControlsHandler?.destroy();
        manager.fullscreenHandler?.destroy();
    },

    resetPlayerUiReferences(manager) {
        PlayerCleanupFactoryUtils.resetUiReferences(manager);
    },

    resetPlaybackContext(manager, diagnosticsTool, coreLogic) {
        try {
            this.resetBufferedBackupCandidates(coreLogic);
            this.resetDiagnosticsState(diagnosticsTool);
        } catch (e) {
            manager.log(`清理核心状态时发生错误:${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
        } finally {
            this.resetPlayerRuntimeState(manager, coreLogic);
        }
    },

    resetBufferedBackupCandidates(coreLogic) {
        if (coreLogic.backupBufferTimer) {
            clearTimeout(coreLogic.backupBufferTimer);
            coreLogic.backupBufferTimer = null;
        }
        coreLogic.isBufferingBackupCandidates = false;
        coreLogic.bufferedBackupCandidates.clear();
    },

    resetDiagnosticsState(diagnosticsTool) {
        diagnosticsTool.lastProcessedM3u8 = null;
        diagnosticsTool.resetPlaybackHealth();
        diagnosticsTool.resetSlicingReport();
        diagnosticsTool.takeoverEvidence = { sources: [], url: null };
    },

    resetPlayerRuntimeState(manager, coreLogic) {
        PlayerCleanupFactoryUtils.resetRuntimeState(manager);
        manager.log('播放器状态锁已释放', CONSTANTS.LOG_TYPES.PLAYER_LOCK);
        this.restoreHiddenIframeState(manager, coreLogic);
    },

    restoreHiddenIframeState(manager, coreLogic) {
        if (!coreLogic.hiddenIframeElement) {
            return;
        }
        manager.log(`检测到被隐藏的Iframe，开始恢复并重新加载...`, CONSTANTS.LOG_TYPES.LIFECYCLE);
        if (coreLogic.originalIframeSrc) {
            coreLogic.hiddenIframeElement.src = coreLogic.originalIframeSrc;
        }
        PlayerCleanupFactoryUtils.restoreHiddenIframeStyles(coreLogic);
        coreLogic.hiddenIframeElement = null;
        coreLogic.originalIframeSrc = '';
    },
};
const CoreRestoreManager = {
    restorePageToOriginalState(core) {
        if (core.isRestoreInProgress) {
            return;
        }
        this.beginRestoreSequence(core);
        this.cleanupRestoreInfrastructure(core);
        this.restoreInteractiveState(core);
        this.finalizeRestoreSequence(core);
    },

    beginRestoreSequence(core) {
        core.isRestoreInProgress = true;
        core.isSystemHalted = true;
        core.context.playerManager.cleanup();
        core.log(
            `[系统熔断]|🚨|收到关闭指令(${CONSTANTS.IS_TOP_FRAME ? '顶层' : '子框架'})，执行深度清理...`,
            CONSTANTS.LOG_TYPES.LIFECYCLE
        );
        this.restoreFrames(core);
        core.context.domScanner.stop();
    },

    cleanupRestoreInfrastructure(core) {
        this.disconnectDomScanner(core);
        this.stopIframeTerminator(core);
        core.stopPersistentEnforcer();
    },

    disconnectDomScanner(core) {
        if (core.context.domScanner.observer) {
            core.context.domScanner.observer.disconnect();
        }
        if (core.context.domScanner.heartbeatTimer) {
            clearInterval(core.context.domScanner.heartbeatTimer);
        }
    },

    stopIframeTerminator(core) {
        if (core.context.iframeTerminator) {
            try {
                core.context.iframeTerminator.stop();
            } catch (e) {
                console.debug('Failed to stop iframe terminator:', e);
            }
        }
    },

    restoreInteractiveState(core) {
        this.restoreDom();
        this.restoreMedia(core);
        this.clearNeutralizers(core);
        this.disableHookModules(core);
        this.restoreHiddenIframeElement(core);
        core.sandboxManager.cleanup();
    },

    clearNeutralizers(core) {
        core.neutralizedMedia.clear();
        core.activeNeutralizers.forEach((obs) => obs.disconnect());
        core.activeNeutralizers.clear();
    },

    disableHookModules(core) {
        [NetworkInterceptor, PlayerHooker, DecryptionHooker, JsonInspector, SetAttributeHooker].forEach((mod) => {
            if (mod && mod.isActive) {
                mod.disable(core.context);
            }
        });
    },

    restoreHiddenIframeElement(core) {
        if (core.hiddenIframeElement) {
            core.hiddenIframeElement.style.visibility = core.originalIframeVisibilityStyle || 'visible';
            core.hiddenIframeElement.style.pointerEvents = core.originalIframePointerEventsStyle || 'auto';
            if (core.hiddenIframeElement.src === 'about:blank' && core.originalIframeSrc) {
                core.hiddenIframeElement.src = core.originalIframeSrc;
            }
            core.hiddenIframeElement = null;
        }
    },

    finalizeRestoreSequence(core) {
        if (CONSTANTS.IS_TOP_FRAME) {
            core.log('✅原生环境已恢复(Top)。', CONSTANTS.LOG_TYPES.LIFECYCLE);
            core.context.frameCommunicator.showNotification('沉浸模式已退出，所有框架已恢复原生状态。');
        }
        core.isRestoreInProgress = false;
    },

    restoreFrames(core) {
        this.restoreWindowFrames();
        this.restoreIframeElements();
    },

    restoreWindowFrames() {
        try {
            const frames = window.frames;
            for (let i = 0; i < frames.length; i++) {
                this.postRestoreToFrame(frames[i], 'Failed to restore child frame:');
            }
        } catch (e) {
            console.debug('Failed to access window frames:', e);
        }
    },

    restoreIframeElements() {
        document.querySelectorAll('iframe').forEach((iframe) => {
            if (iframe.contentWindow) {
                this.postRestoreToFrame(iframe.contentWindow, 'Failed to restore iframe contentWindow:');
            }
            this.restoreIframeVisualState(iframe);
            this.restoreIframeSrc(iframe);
        });
    },

    postRestoreToFrame(targetWindow, errorPrefix) {
        try {
            targetWindow.postMessage({ type: CONSTANTS.MESSAGE_TYPES.RESTORE_COMMAND }, '*');
        } catch (e) {
            console.debug(errorPrefix, e);
        }
    },

    restoreIframeVisualState(iframe) {
        iframe.style.removeProperty('visibility');
        iframe.style.removeProperty('opacity');
        iframe.style.removeProperty('pointer-events');
    },

    restoreIframeSrc(iframe) {
        if (iframe.src !== 'about:blank' || !iframe.dataset.dmzOriginalSrc) {
            return;
        }
        iframe.src = iframe.dataset.dmzOriginalSrc;
        delete iframe.dataset.dmzOriginalSrc;
    },

    restoreDom() {
        const safeRemove = (el) => {
            if (el) {
                try {
                    if (el.cleanup) {
                        el.cleanup();
                    } else {
                        el.remove();
                    }
                } catch (e) {
                    console.debug('Failed to clean up element:', e);
                }
            }
        };
        document.querySelectorAll('.dmz-switch-overlay, .dmz-iframe-remote-trigger').forEach(safeRemove);
        document
            .querySelectorAll('iframe[data-dmz-has-trigger]')
            .forEach((iframe) => delete iframe.dataset.dmzHasTrigger);
    },

    removeRestoreOverlays(media) {
        if (media.dmzOverlay) {
            media.dmzOverlay.remove();
            media.dmzOverlay = null;
        }
        if (!media.parentElement) {
            return;
        }
        const overlay = media.parentElement.querySelector('.dmz-switch-overlay');
        if (overlay) {
            overlay.remove();
        }
    },

    restoreMediaPlaybackMethods(media) {
        try {
            if (media.play.toString().indexOf('native') === -1) {
                delete media.play;
            }
            if (media.pause.toString().indexOf('native') === -1) {
                delete media.pause;
            }
        } catch (e) {}
    },

    removePreventPlayGuards(media) {
        if (!media._dmzPreventPlay) {
            return;
        }
        media.removeEventListener('play', media._dmzPreventPlay, true);
        media.removeEventListener('playing', media._dmzPreventPlay, true);
        delete media._dmzPreventPlay;
    },

    clearNeutralizedMediaState(media) {
        media.removeAttribute('data-dmz-neutralized');
        delete media.dataset.dmzOriginalSrc;
        delete media.dataset.dmzSourceLocked;
        delete media.dataset.dmzSentinelActive;
    },

    restoreMediaPresentation(media) {
        Object.assign(media.style, {
            visibility: '',
            opacity: '',
            pointerEvents: '',
        });
        media.muted = false;
        media.controls = true;
    },

    restoreMediaVolume(media) {
        if (media.dataset.dmzOriginalVolume) {
            media.volume = parseFloat(media.dataset.dmzOriginalVolume);
            delete media.dataset.dmzOriginalVolume;
            return;
        }
        media.volume = 1.0;
    },

    resumeRestoredMedia(media) {
        if (media.paused) {
            media.play().catch(() => {});
        }
    },

    restoreMediaParentContainer(media) {
        if (media.parentElement && media.parentElement.style.position === 'relative') {
            media.parentElement.style.position = '';
        }
    },

    restoreSingleMedia(media) {
        this.removeRestoreOverlays(media);
        media.dataset.dmzAllowSignalGeneration = 'true';
        this.restoreMediaPlaybackMethods(media);
        this.removePreventPlayGuards(media);
        this.clearNeutralizedMediaState(media);
        this.restoreMediaPresentation(media);
        this.restoreMediaVolume(media);
        this.resumeRestoredMedia(media);
        this.restoreMediaParentContainer(media);
    },

    restoreMedia(core) {
        const allMedia = core.findAllVideosAndAudioInPage();
        new Set([...core.neutralizedMedia, ...allMedia]).forEach((media) => {
            try {
                this.restoreSingleMedia(media);
            } catch (e) {
                console.debug('Failed to restore media:', e);
            }
        });
    },
};
const CoreQualityManager = {
    evaluateQualityOverride(core, candidateInfo) {
        const { playerManager } = core.context;
        const currentUrl = playerManager.currentVideoUrl || (core.decisionInProgress ? core.lastSuccessfulUrl : '');
        const newUrl = candidateInfo.url || '';
        if (!currentUrl || !newUrl || currentUrl === newUrl) {
            return false;
        }

        const currentHadMediaElement = core.currentDecisionHadMediaElement;
        const newHasMediaElement = !!candidateInfo.mediaElement;
        const qualityContext = this.buildQualityOverrideContext(core, candidateInfo, currentUrl);

        if (newHasMediaElement && !currentHadMediaElement) {
            if (this.shouldGrantDomEntitySovereignty(core, candidateInfo, playerManager, qualityContext)) {
                core.log(`[DOM实体主权]|👑|确认当前为虚空/低置信接管，实体媒体夺回播放权。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
                this.executeQualityOverrideTakeover(core, candidateInfo, playerManager);
                return true;
            }
            core.log(
                `[DOM实体主权]|🛡️|检测到当前已存在高置信/同家族候选，实体媒体降级为备份评估。`,
                CONSTANTS.LOG_TYPES.INFO
            );
        }

        if (this.shouldLockSameFamilyQuality(core, candidateInfo, playerManager, qualityContext)) {
            return true;
        }

        if (this.trySeamlessCdnUpgrade(core, candidateInfo, playerManager, qualityContext)) {
            return true;
        }

        if (currentUrl.startsWith('http') && newUrl.startsWith('http')) {
            const currentSegments = this.extractComparableUrlSegments(currentUrl);
            const nextSegments = this.extractComparableUrlSegments(newUrl);

            if (currentSegments.length > 0 && nextSegments.length > 0) {
                const hasStrongAffinity = this.hasStrongSegmentAffinity(currentSegments, nextSegments);

                if (!hasStrongAffinity) {
                    const isTrustOverride =
                          qualityContext.newReliabilityScore >= qualityContext.currentReliabilityScore + 4 ||
                          qualityContext.compositeNewScore >= qualityContext.compositeCurrentScore + 3;

                    if (!isTrustOverride) {
                        core.log(
                            `[信号隔离]|🚧|路径亲缘不足且质量优势不明显，拒绝跨源替换 ` +
                            `(可靠:${qualityContext.newReliabilityScore} vs ${qualityContext.currentReliabilityScore} / ` +
                            `综合:${qualityContext.compositeNewScore.toFixed(1)} vs ${qualityContext.compositeCurrentScore.toFixed(1)})。`,
                            CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
                        );
                        return false;
                    } else {
                        core.log(
                            `[信号破壁]|🔥|路径亲缘不足，但新信号具备明显质量优势，强制放行！`,
                            CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
                        );
                    }
                } else {
                    core.log(
                        `[信号亲缘]|🧬|检测到新旧资源存在强关联，允许继续评估升级。`,
                        CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
                    );
                }
            }
        }

        if (!this.shouldUpgradeHiddenPlayer(playerManager, qualityContext)) {
            return false;
        }

        core.log(
            `[候选快切]|⚡️|检测到更优或更稳信号(综合:${qualityContext.compositeNewScore.toFixed(1)} vs ${qualityContext.compositeCurrentScore.toFixed(1)})，执行抢断！`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.stashQualityFallbackCandidate(core, currentUrl, qualityContext.currentScore);
        this.executeQualityOverrideTakeover(core, candidateInfo, playerManager);
        return true;
    },

    buildQualityOverrideContext(core, candidateInfo, currentUrl) {
        const { playerManager } = core.context;
        const targetUrl = core.decisionInProgress && core.lastSuccessfulUrl ? core.lastSuccessfulUrl : currentUrl;
        const isNewM3U8 =
              Utils.isM3U8(candidateInfo.url) ||
              (candidateInfo.m3u8Text && candidateInfo.m3u8Text.includes('#EXTM3U'));
        const isCurrentM3U8 =
              playerManager.currentVideoFormat?.name === 'M3U8' ||
              (core.lastSuccessfulUrl && Utils.isM3U8(core.lastSuccessfulUrl));
        const targetIsM3 = core.decisionInProgress ? Utils.isM3U8(targetUrl) : isCurrentM3U8;
        const targetCandidate = {
            url: targetUrl,
            sourceName: core.currentDecisionSourceName || '',
            m3u8Text: core.currentDecisionM3u8Text || null,
        };
        const newScore = this.getQualityScore(candidateInfo.url || '', isNewM3U8);
        const currentScore = this.getQualityScore(targetUrl, targetIsM3);
        const newReliabilityScore = this.getCandidateReliabilityScore(core, candidateInfo);
        const currentReliabilityScore = this.getCandidateReliabilityScore(core, targetCandidate);
        const newResolutionRank = this.getResolutionRank(candidateInfo.url || '');
        const currentResolutionRank = this.getResolutionRank(targetUrl);
        return {
            targetUrl,
            targetIsM3,
            targetCandidate,
            newScore,
            currentScore,
            newReliabilityScore,
            currentReliabilityScore,
            compositeNewScore: newScore + newReliabilityScore,
            compositeCurrentScore: currentScore + currentReliabilityScore,
            newResolutionRank,
            currentResolutionRank,
            sameFamily: this.isSameSignalFamily(targetUrl, candidateInfo.url || ''),
        };
    },

    getQualityScore(url, isM3) {
        let score = 0;
        if (
            /(\/|_|-)(240|360|480)p(\.h264|\.av1)?\.mp4\.m3u8(\?|$)/i.test(url) ||
            /(\/|_|-)(240|360)[pP](\?|$)/.test(url)
        ) {
            score -= 50;
        } else {
            if (/4k|2160[pP]|3840[-x]2160/i.test(url)) {
                score += 10;
            } else if (/1080[pP]|1920[-x]1080/i.test(url)) {
                score += 8;
            } else if (/720[pP]|1280[-x]720/i.test(url)) {
                score += 6;
            } else if (/480[pP]|854[-x]480/i.test(url)) {
                score += 2;
            }
        }
        if (/master\.m3u8|playlist\.m3u8/i.test(url) || (isM3 && !/(240|360|480|720|1080|2160)p/i.test(url))) {
            score += 5;
        }
        return isM3 ? score + 2.5 : score;
    },

    getCandidateReliabilityScore(core, candidateInfo = {}) {
        const url = candidateInfo.url || '';
        const sourceName = candidateInfo.sourceName || '';
        const hasInlineM3u8Text =
              typeof candidateInfo.m3u8Text === 'string' && candidateInfo.m3u8Text.includes('#EXTM3U');
        let score = 0;
        if (!url) {
            return score;
        }
        if (hasInlineM3u8Text) {
            score += 30;
        }
        if (Utils.isM3U8(url)) {
            if (/[?&](sign|token|auth|expires|t)=/i.test(url)) {
                score += 18;
            }
            if (/master\.m3u8|playlist\.m3u8/i.test(url)) {
                score += 6;
            }
            if (this.isRiskyUnsignedM3u8Candidate(core, candidateInfo)) {
                score -= 24;
            }
            if (this.hasKnown403Risk(core, url)) {
                score -= 30;
            }
        } else if (/\.(mp4|webm|ogg|mov|mkv)(\?|$)/i.test(url)) {
            score += 12;
        }
        if (/网络拦截|XHR|Fetch|原生播放器触发器\(直连\)|跨域遥控触发|历史复用|PlayerHooker/i.test(sourceName)) {
            score += 8;
        }
        if (/JSON|DECRYPTION|ATTR/.test(sourceName) && !hasInlineM3u8Text && Utils.isM3U8(url)) {
            score -= 6;
        }
        if (/(freepv|litevideo|sample|preview|trailer|teaser|yugao|pianhua|ad_url)/i.test(url)) {
            score -= 200;
        }
        if (/360p|480p|sd/i.test(url)) {
            score -= 10;
        }
        return score;
    },

    getResolutionRank(url = '') {
        const normalized = String(url || '').toLowerCase();
        if (/4k|2160[pP]|3840[-x]2160/i.test(normalized)) {
            return 6;
        }
        if (/1440[pP]|2560[-x]1440/i.test(normalized)) {
            return 5;
        }
        if (/1080[pP]|1920[-x]1080/i.test(normalized)) {
            return 4;
        }
        if (/720[pP]|1280[-x]720/i.test(normalized)) {
            return 3;
        }
        if (/480[pP]|854[-x]480/i.test(normalized)) {
            return 2;
        }
        if (/360[pP]|640[-x]360/i.test(normalized)) {
            return 1;
        }
        if (/240[pP]|426[-x]240/i.test(normalized)) {
            return 0;
        }
        return -1;
    },

    getSignalFamilyHostKey(hostname = '') {
        const normalizedHost = String(hostname || '').toLowerCase();
        if (/\.phncdn\.com$/.test(normalizedHost)) {
            return 'phncdn.com';
        }
        return normalizedHost;
    },

    getSignalFamilyKey(url) {
        if (typeof url !== 'string' || !url) {
            return null;
        }
        try {
            const urlObj = new URL(url, window.location.href);
            const hostKey = this.getSignalFamilyHostKey(urlObj.hostname);
            const segments = urlObj.pathname
            .split('/')
            .filter(Boolean)
            .map((segment) =>
                 String(segment || '')
                 .toLowerCase()
                 .replace(/\.(m3u8|mp4|webm|ogg|mov|mkv|ts|mpd)$/i, '')
                 .replace(/(?:^|[_-])(2160p|1440p|1080p|720p|480p|360p|240p)(?=$|[_-])/ig, '_')
                 .replace(/(?:^|[_-])(3840[-x]2160|2560[-x]1440|1920[-x]1080|1280[-x]720|854[-x]480|640[-x]360|426[-x]240)(?=$|[_-])/ig, '_')
                 .replace(/(?:^|[_-])(?:master|playlist|index(?:-v\d+(?:-[a-z0-9]+)*)?)(?=$|[_-])/ig, '_')
                 .replace(/(?:^|[_-])\d+k(?=$|[_-])/ig, '_')
                 .replace(/[_-]{2,}/g, '_')
                 .replace(/^[_-]+|[_-]+$/g, '')
                 .trim()
                )
            .filter((segment) => segment && segment.length >= 3);
            if (segments.length === 0) {
                return `${hostKey}${urlObj.pathname}`;
            }
            return `${hostKey}/${segments.join('/')}`;
        } catch (e) {
            return String(url).split('?')[0].toLowerCase();
        }
    },

    isSameSignalFamily(currentUrl, nextUrl) {
        if (!currentUrl || !nextUrl) {
            return false;
        }
        const currentFamilyKey = this.getSignalFamilyKey(currentUrl);
        const nextFamilyKey = this.getSignalFamilyKey(nextUrl);
        return !!(currentFamilyKey && nextFamilyKey && currentFamilyKey === nextFamilyKey);
    },

    shouldGrantDomEntitySovereignty(core, candidateInfo, playerManager, qualityContext) {
        if (!candidateInfo.mediaElement) {
            return false;
        }
        if (!qualityContext.targetUrl || qualityContext.targetUrl.startsWith('blob:')) {
            return true;
        }
        if (!(playerManager.isPlayerActiveOrInitializing || core.decisionInProgress)) {
            return true;
        }
        if (qualityContext.sameFamily) {
            return qualityContext.newResolutionRank > qualityContext.currentResolutionRank;
        }
        if (qualityContext.targetIsM3 && qualityContext.currentReliabilityScore >= qualityContext.newReliabilityScore) {
            return false;
        }
        return qualityContext.compositeCurrentScore <= 0;
    },

    rememberSuppressedCandidate(core, candidateInfo) {
        const key = core._getNormalizationKey(candidateInfo.url);
        if (key && !core.lastCandidatesBackup.has(key)) {
            core.lastCandidatesBackup.set(key, {
                ...candidateInfo,
                sources: new Set([candidateInfo.sourceName]),
            });
        }
        if (candidateInfo.url && !candidateInfo.url.startsWith('blob:')) {
            core.passiveCandidates.set(candidateInfo.url, candidateInfo);
            if (core.passiveCandidates.size > 15) {
                core.passiveCandidates.delete(core.passiveCandidates.keys().next().value);
            }
        }
    },

    shouldLockSameFamilyQuality(core, candidateInfo, playerManager, qualityContext) {
        if (!qualityContext.sameFamily) {
            return false;
        }
        const currentRank = qualityContext.currentResolutionRank;
        const nextRank = qualityContext.newResolutionRank;
        const hasStablePlayback =
              core.isBufferingBackupCandidates ||
              !!playerManager.currentVideoUrl ||
              !!playerManager.hostElement?.classList.contains('dmz-visible');
        if (currentRank >= 0 && nextRank >= 0 && nextRank < currentRank) {
            core.log(
                `[画质锁]|🔒|同家族候选禁止降级(${nextRank} < ${currentRank})，转存为备份:${candidateInfo.sourceName}`,
                CONSTANTS.LOG_TYPES.INFO
            );
            this.rememberSuppressedCandidate(core, candidateInfo);
            return true;
        }
        if (hasStablePlayback && currentRank >= 0 && nextRank >= 0 && nextRank === currentRank) {
            core.log(
                `[稳定性护盾]|🛡️|同家族同画质晚到信号不再重建，转存为备份:${candidateInfo.sourceName}`,
                CONSTANTS.LOG_TYPES.INFO
            );
            this.rememberSuppressedCandidate(core, candidateInfo);
            return true;
        }
        if (hasStablePlayback && qualityContext.sameFamily && qualityContext.compositeNewScore <= qualityContext.compositeCurrentScore) {
            core.log(
                `[稳定性护盾]|🛡️|同家族晚到信号优势不足，维持当前播放并转存备份:${candidateInfo.sourceName}`,
                CONSTANTS.LOG_TYPES.INFO
            );
            this.rememberSuppressedCandidate(core, candidateInfo);
            return true;
        }
        return false;
    },

    looksLikeUnsignedGateM3u8(url) {
        return !!(
            url &&
            Utils.isM3U8(url) &&
            !/[?&](sign|token|auth|expires|t)=/i.test(url) &&
            (/\/video\/m3u8\//i.test(url) || /\/index\.m3u8(\?|$)/i.test(url))
        );
    },

    isRiskyUnsignedM3u8Candidate(core, candidateInfo = {}) {
        if (!this.looksLikeUnsignedGateM3u8(candidateInfo.url || '')) {
            return false;
        }
        if (typeof candidateInfo.m3u8Text === 'string' && candidateInfo.m3u8Text.includes('#EXTM3U')) {
            return false;
        }
        return /JSON|DECRYPTION|ATTR|扫描|DOM/.test(candidateInfo.sourceName || '');
    },

    get403RiskPatternKey(url) {
        if (!this.looksLikeUnsignedGateM3u8(url)) {
            return null;
        }
        try {
            const urlObj = new URL(url, window.location.href);
            return `${urlObj.hostname}${urlObj.pathname}`;
        } catch (e) {
            return String(url).split('?')[0];
        }
    },

    hasKnown403Risk(core, url) {
        const riskKey = this.get403RiskPatternKey(url);
        return !!(riskKey && core.failedRiskyM3u8Patterns?.has(riskKey));
    },

    trySeamlessCdnUpgrade(core, candidateInfo, playerManager, qualityContext) {
        try {
            const host = window.location.hostname;
            const isTargetLocal =
                  qualityContext.targetUrl.startsWith('/') || qualityContext.targetUrl.includes(host);
            const isNewRemote = candidateInfo.url.startsWith('http') && !candidateInfo.url.includes(host);
            if (!isTargetLocal || !isNewRemote) {
                return false;
            }
            const currentSegments = this.extractComparableUrlSegments(qualityContext.targetUrl);
            const nextSegments = this.extractComparableUrlSegments(candidateInfo.url);
            if (!this.hasStrongSegmentAffinity(currentSegments, nextSegments)) {
                return false;
            }
            core.log(
                `[纠错]|🎊|捕捉到更优的绝对路径信号(CDN)，执行无缝切换: ${candidateInfo.url.slice(-50)}`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
            this.executeQualityOverrideTakeover(core, candidateInfo, playerManager);
            return true;
        } catch (e) {
            console.debug('Failed to evaluate quality override paths:', e);
            return false;
        }
    },

    extractComparableUrlSegments(url) {
        if (typeof url !== 'string') {
            return [];
        }

        let segments = [];
        try {
            const urlObj = new URL(url, window.location.href);
            segments = urlObj.pathname.split('/').filter(Boolean);

            urlObj.searchParams.forEach((val, key) => {
                const normalizedKey = String(key || '').toLowerCase();
                if (/^(token|expires?|expiry|signature|sig|auth|key-pair-id)$/i.test(normalizedKey)) {
                    return;
                }
                if (typeof val === 'string' && val.length >= 6 && !/^(1920|1080|720|480|360)$/i.test(val)) {
                    segments.push(val);
                }
            });
        } catch (e) {
            segments = url.split('?')[0].split('/').filter(Boolean);
        }

        return segments
            .map((segment) =>
                 String(segment)
                 .toLowerCase()
                 .replace(/\.(m3u8|mp4|flv|webm|mkv|ts|mpd|avi|html?|php)$/i, '')
                 .trim()
                )
            .filter((segment) => {
            if (segment.length < 6) {
                return false;
            }
            if (/^(1920|1280|1080|960|854|720|640|608|480|492|360|240|144)[xp]?\d*$/i.test(segment)) {
                return false;
            }
            if (
                /^(amplify_video|ext_tw_video|video|videos|playlist|master|index|manifest|segment|fragment|media|stream|play|vod|hls|dash|audio|embed|player|api)$/i.test(
                    segment
                )
            ) {
                return false;
            }
            return /[0-9]/.test(segment) || /^[a-z0-9_-]{8,}$/i.test(segment);
        });
    },

    hasStrongSegmentAffinity(currentSegments, nextSegments) {
        if (!Array.isArray(currentSegments) || !Array.isArray(nextSegments)) {
            return false;
        }

        for (const aRaw of currentSegments) {
            for (const bRaw of nextSegments) {
                const a = String(aRaw || '').toLowerCase();
                const b = String(bRaw || '').toLowerCase();

                if (!a || !b) {
                    continue;
                }
                if (a === b) {
                    return true;
                }

                const minLen = Math.min(a.length, b.length);
                if (minLen >= 12 && (a.includes(b) || b.includes(a))) {
                    return true;
                }

                if (a.length >= 16 && b.length >= 16) {
                    const tailA12 = a.slice(-12);
                    const tailB12 = b.slice(-12);
                    const tailA16 = a.slice(-16);
                    const tailB16 = b.slice(-16);

                    if (tailA16 === tailB16 || tailA12 === tailB12) {
                        return true;
                    }
                }
            }
        }

        return false;
    },

    shouldUpgradeHiddenPlayer(playerManager, qualityContext) {
        return (
            !playerManager.hostElement?.classList.contains('dmz-visible') &&
            qualityContext.compositeNewScore > qualityContext.compositeCurrentScore
        );
    },

    stashQualityFallbackCandidate(core, currentUrl, currentScore) {
        if (!currentUrl || currentUrl.startsWith('blob:')) {
            return;
        }
        const victimKey = core._getNormalizationKey(currentUrl);
        if (victimKey) {
            core.takeoverCandidates.set(victimKey, {
                url: currentUrl,
                sourceName: '画质降级保底(历史信号)',
                score: currentScore,
            });
        }
    },

    findBestMatchingCandidate(core, baseCandidate) {
        const baseSegments = this.extractComparableUrlSegments(baseCandidate.url);
        if (baseSegments.length === 0) {
            return null;
        }
        let best = null;
        let bestScore = core._getRecoveryCandidateScore(baseCandidate);
        const allPools = [
            ...core.passiveCandidates.values(),
            ...core.lastCandidatesBackup.values(),
            ...core.takeoverCandidates.values(),
        ];
        for (const c of allPools) {
            if (!c.url || c.url === baseCandidate.url) {
                continue;
            }
            const cSegments = this.extractComparableUrlSegments(c.url);
            if (cSegments.length > 0 && this.hasStrongSegmentAffinity(baseSegments, cSegments)) {
                const score = core._getRecoveryCandidateScore(c);
                if (score > bestScore) {
                    bestScore = score;
                    best = c;
                }
            }
        }
        if (best) {
            core.log(
                `[主权升级]|🚀|为正片找到了更优画质储备: ${best.url.slice(-40)}`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
        }
        return best;
    },

    executeQualityOverrideTakeover(core, candidateInfo, playerManager) {
        core.decisionInProgress = true;
        core.decisionMade = false;
        core.isIntentionalSwitch = true;
        this.preparePlayerForQualityOverride(playerManager);
        core._executeTakeover(candidateInfo);
    },
    preparePlayerForQualityOverride(playerManager) {
        if (!playerManager.isPlayerActiveOrInitializing) {
            return;
        }
        try {
            playerManager.cleanup(true);
        } catch (e) {
            console.debug('Failed to cleanup player during quality override:', e);
        }
        playerManager.isPlayerActiveOrInitializing = false;
    },
};

const CorePlaybackDirector = {
    isSandboxReloadContext() {
        return new URLSearchParams(window.location.search).has('dmz_sandbox');
    },

    buildSandboxFoundCandidate(type, content) {
        return {
            url: type === 'm3u8' ? content.finalUrl : content,
            sourceName: CONSTANTS.TAKEOVER_SOURCES.CROSS_FRAME + '(沙箱重载)',
            m3u8Text: type === 'm3u8' ? content.original : null,
        };
    },

    postSandboxFoundCandidate(core, frameCommunicator, type, content) {
        frameCommunicator.postToTopFrame({
            type: CONSTANTS.MESSAGE_TYPES.SANDBOX_URL_FOUND,
            candidateInfo: this.buildSandboxFoundCandidate(type, content),
        });
    },

    buildCrossFramePlayMessage(core, type, content, playerManager, diagnosticsTool, actionLogger) {
        return {
            type: CONSTANTS.MESSAGE_TYPES.M3U8_COMMAND,
            action: type === 'm3u8' ? 'PLAY_M3U8' : 'PLAY_NORMAL_VIDEO',
            content: type === 'm3u8' ? content.processed : content,
            originalContent: type === 'm3u8' ? content.original : null,
            finalUrl: core.lastPostedUrl,
            videoFormat: playerManager.currentVideoFormat,
            playbackHealth: diagnosticsTool.playbackHealth,
            slicingReport: diagnosticsTool.slicingReport,
            iframeLogs: actionLogger.getLogs().filter((log) => log.type === CONSTANTS.LOG_TYPES.CORE_SLICE),
        };
    },

    postCrossFramePlayCommand(
    core,
     type,
     content,
     playerManager,
     diagnosticsTool,
     frameCommunicator,
     actionLogger
    ) {
        core.lastPostedUrl = type === 'm3u8' ? content.finalUrl : content;
        core.findAllVideosAndAudioInPage().forEach((m) => core.neutralizeOriginalPlayer(m));
        frameCommunicator.postToTopFrame(
            this.buildCrossFramePlayMessage(core, type, content, playerManager, diagnosticsTool, actionLogger)
        );
    },

    broadcastPauseToChildFrames() {
        try {
            const frames = window.frames;
            for (let i = 0; i < frames.length; i++) {
                frames[i].postMessage({ type: CONSTANTS.MESSAGE_TYPES.FORCE_PAUSE_ALL }, '*');
            }
        } catch (e) {
            console.debug('Failed to broadcast pause command from top frame:', e);
        }
    },

    async sendPlayCommand(core, type, content) {
        const { playerManager, diagnosticsTool, frameCommunicator, actionLogger } = core.context;

        if (this.isSandboxReloadContext()) {
            this.postSandboxFoundCandidate(core, frameCommunicator, type, content);
            return;
        }

        if (this.shouldAbortPlayCommand(playerManager)) {
            return;
        }

        if (this.shouldPostCrossFramePlayCommand()) {
            this.postCrossFramePlayCommand(
                core,
                type,
                content,
                playerManager,
                diagnosticsTool,
                frameCommunicator,
                actionLogger
            );
            return;
        }

        await this.playInTopFrame(playerManager, content);
    },

    shouldAbortPlayCommand(playerManager) {
        return playerManager.isPlayerActiveOrInitializing;
    },

    shouldPostCrossFramePlayCommand() {
        return !CONSTANTS.IS_TOP_FRAME;
    },

    async playInTopFrame(playerManager, content) {
        await playerManager.play(content);
        this.broadcastPauseToChildFrames();
    },
};

const SpaCandidateBuffer = {
    TTL: 6000,
    MAX_ITEMS: 5,

    enqueue(core, candidateInfo) {
        const now = Date.now();
        const queue = this._prune(core.pendingSpaCandidates || [], now);
        const key = this._getKey(candidateInfo);
        const nextQueue = queue.filter((item) => item.key !== key);
        nextQueue.push({ key, ts: now, candidate: candidateInfo });
        if (nextQueue.length > this.MAX_ITEMS) {
            nextQueue.splice(0, nextQueue.length - this.MAX_ITEMS);
        }
        core.pendingSpaCandidates = nextQueue;
        core.pendingSpaCandidate = candidateInfo;
        this._armClearTimer(core);
    },

    drain(core) {
        const now = Date.now();
        const queue = this._prune(core.pendingSpaCandidates || [], now).map((item) => item.candidate);
        core.pendingSpaCandidates = [];
        core.pendingSpaCandidate = null;
        if (core.pendingSpaTimer) {
            clearTimeout(core.pendingSpaTimer);
            core.pendingSpaTimer = null;
        }
        return queue;
    },

    _armClearTimer(core) {
        if (core.pendingSpaTimer) {
            clearTimeout(core.pendingSpaTimer);
        }
        core.pendingSpaTimer = setTimeout(() => {
            core.pendingSpaCandidates = [];
            core.pendingSpaCandidate = null;
            core.pendingSpaTimer = null;
        }, this.TTL);
    },

    _prune(queue, now = Date.now()) {
        return queue.filter((item) => now - item.ts <= this.TTL);
    },

    _getKey(candidateInfo) {
        return [
            candidateInfo?.finalUrl || candidateInfo?.url || candidateInfo?.requestUrl || '',
            candidateInfo?.sourceName || '',
            candidateInfo?.type || '',
        ].join('|');
    },
};

const CoreCandidateIntake = {
    async addTakeoverCandidate(core, candidateInfo) {
        if (core.isSystemHalted) {
            SpaCandidateBuffer.enqueue(core, candidateInfo);
            return;
        }
        if (this.prepareCandidate(core, candidateInfo)) {
            return;
        }

        const { playerManager, frameCommunicator } = core.context;
        if (this.consumePreTopFrameCandidate(core, candidateInfo, playerManager)) {
            return;
        }

        if (!CONSTANTS.IS_TOP_FRAME) {
            this.forwardCandidateFromIframe(core, candidateInfo, frameCommunicator);
            return;
        }

        await this.finalizeTopFrameCandidate(core, candidateInfo);
    },

    prepareCandidate(core, candidateInfo) {
        if (this.isInvalidTakeoverUrl(candidateInfo.url)) {
            return true;
        }
        candidateInfo.url = core._extractUrlFromParameter(candidateInfo.url);
        const cacheKey = core._getNormalizationKey(candidateInfo.url);
        this.hydrateCandidateCache(core, candidateInfo, cacheKey);
        return this.isGhostSignal(core, candidateInfo);
    },

    isInvalidTakeoverUrl(url) {
        if (
            !url ||
            url.length < 15 ||
            url === 'https://' ||
            url === 'http://' ||
            /blank\.mp4|empty\.mp4/i.test(url)
        ) {
            return true;
        }
        try {
            const pathEnd = new URL(url, window.location.href).pathname.split('/').pop();
            if (
                pathEnd &&
                pathEnd.length > 40 &&
                !pathEnd.includes('.') &&
                /^[a-zA-Z0-9\+\/]+={0,2}$/.test(pathEnd)
            ) {
                if (/={1,2}$/.test(pathEnd) || pathEnd.includes('AAAA') || pathEnd.includes('wAA')) {
                    return true;
                }
            }
        } catch (e) {}
        return false;
    },

    hydrateCandidateCache(core, candidateInfo, cacheKey) {
        if (candidateInfo.m3u8Text) {
            core.m3u8SessionCache.set(cacheKey, candidateInfo.m3u8Text);
        } else if (cacheKey && core.m3u8SessionCache.has(cacheKey)) {
            candidateInfo.m3u8Text = core.m3u8SessionCache.get(cacheKey);
            core.log(`[缓存命中] ⚡️复用历史M3U8数据，规避一次性链接失效。`, CONSTANTS.LOG_TYPES.INFO);
        }
    },

    isGhostSignal(core, candidateInfo) {
        if (!candidateInfo.url) {
            return false;
        }
        if (
            candidateInfo.sourceName?.includes('触发器') ||
            /顶层记忆|历史重播|遥控触发|重播/.test(candidateInfo.sourceName || '')
        ) {
            return false;
        }
        const candidateBase = candidateInfo.url.split('?')[0];
        const candidateKey = core._getNormalizationKey(candidateInfo.url) || candidateBase;
        if (core.staleVideoUrl) {
            const staleBase = core.staleVideoUrl.split('?')[0];
            if (candidateBase === staleBase || candidateInfo.url.includes(staleBase)) {
                core.log(
                    `👻[幽灵过滤]|拦截到刚刚废弃的信号(残留DOM):${candidateInfo.url.slice(-30)}`,
                    CONSTANTS.LOG_TYPES.WARN
                );
                return true;
            }
        }
        if (core.globalSeenVideoUrls && core.globalSeenVideoUrls.has(candidateKey)) {
            const currentPage = window.location.href.split('#')[0];
            const allowedForThisPage = core.pageVideoAssociations?.get(currentPage);
            if (!allowedForThisPage || !allowedForThisPage.has(candidateKey)) {
                core.log(
                    `👻[时空过滤]|拦截到非当前页面的历史残留信号:${candidateInfo.url.slice(-30)}`,
                    CONSTANTS.LOG_TYPES.WARN
                );
                return true;
            }
        }
        return false;
    },

    consumePreTopFrameCandidate(core, candidateInfo, playerManager) {
        this.handleTriggerSignal(core, candidateInfo);
        if (this.handleBlobCandidate(core, candidateInfo)) {
            return true;
        }
        this.resetForSwitchIfNeeded(core, playerManager);
        return this.shouldHandleAsPassiveCandidate(core, candidateInfo, playerManager);
    },

    handleTriggerSignal(core, candidateInfo) {
        if (!candidateInfo.sourceName?.includes('触发器')) {
            return;
        }
        const isReplayTrigger = /顶层记忆|历史重播|遥控触发|重播/.test(candidateInfo.sourceName || '');
        core.log(
            `👆收到[${candidateInfo.sourceName}]信号，强制确认为用户交互意图。`,
            CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH
        );
        core.setUserIntentToSwitch(isReplayTrigger ? 'replay' : 'switch');
    },

    handleBlobCandidate(core, candidateInfo) {
        if (!candidateInfo.url || !candidateInfo.url.startsWith('blob:')) {
            return false;
        }
        if (candidateInfo.sourceName.includes('网络拦截')) {
            core.log(
                `[门禁]|🚧|🟢放行|网络拦截Blob(高置信度)|来源:${candidateInfo.sourceName}。`,
                CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
            );
            return false;
        }
        if (/扫描|DOM|ATTR/.test(candidateInfo.sourceName)) {
            core.log(
                `[门禁]|🚧|⛔️拦截|DOM扫描Blob(MSE对象无法跨实例复用)|来源:${candidateInfo.sourceName}。`,
                CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
            );
            return true;
        }
        if (core.lastSuccessfulUrl) {
            core.log(`⚠️检测到Blob URL变动，尝试使用核心档案中的真实地址。`, CONSTANTS.LOG_TYPES.WARN);
            return false;
        }
        core.log(
            `[门禁]|🚧|尝试放行|Blob URL(未知来源)|来源:${candidateInfo.sourceName}。`,
            CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
        );
        return false;
    },

    resetForSwitchIfNeeded(core, playerManager) {
        if (!playerManager.isPlayerActiveOrInitializing || !core.userIntendsToSwitch) {
            return;
        }
        core.log(`[最高指令]|📳|👇用户换集意图触发，强制刷新所有决策！`, CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH);
        playerManager.cleanup();
        Object.assign(core, {
            decisionMade: false,
            decisionInProgress: false,
            userIntendsToSwitch: false,
            isBufferingBackupCandidates: false,
            m3u8SessionCache: new Map(),
            m3u8FetchInflight: new Map(),
            m3u8ProcessedCache: new Map(),
            failedCandidateKeys: new Set(),
            failedRiskyM3u8Patterns: new Set(),
        });
        core.takeoverCandidates.clear();
        core.lastCandidatesBackup.clear();
        clearTimeout(core.backupBufferTimer);
    },

    shouldHandleAsPassiveCandidate(core, candidateInfo, playerManager) {
        if (!(core.decisionInProgress || playerManager.isPlayerActiveOrInitializing) || core.userIntendsToSwitch) {
            return false;
        }

        if (CoreQualityManager.evaluateQualityOverride(core, candidateInfo)) {
            return true;
        }

        if (candidateInfo.mediaElement && !PageScanner.isPreRollAdByPathFeatures(candidateInfo.url, core.context)) {
            core.neutralizeOriginalPlayer(candidateInfo.mediaElement);
        }

        if (core.isBufferingBackupCandidates) {
            core.log(
                `[稳定性护盾]|🛡️|当前播放稳定，已拦截(${candidateInfo.sourceName})的平级/低级干扰，转为后台备份。`,
                CONSTANTS.LOG_TYPES.INFO
            );
            this.bufferBackupCandidate(core, candidateInfo);
            return true;
        }

        this.cachePassiveCandidate(core, candidateInfo);
        return true;
    },

    bufferBackupCandidate(core, candidateInfo) {
        const targetUrl = core.lastSuccessfulUrl || core.context.playerManager.currentVideoUrl;
        if (targetUrl && candidateInfo.url && !candidateInfo.url.startsWith('blob:')) {
            const isSameFamily = CoreQualityManager.isSameSignalFamily(targetUrl, candidateInfo.url);
            const currSegs = CoreQualityManager.extractComparableUrlSegments(targetUrl);
            const nextSegs = CoreQualityManager.extractComparableUrlSegments(candidateInfo.url);
            const hasAffinity = CoreQualityManager.hasStrongSegmentAffinity(currSegs, nextSegs);
            if (!isSameFamily && !hasAffinity) {
                return;
            }
        }

        const key = core._getNormalizationKey(candidateInfo.url);
        if (key && !core.lastCandidatesBackup.has(key)) {
            core.lastCandidatesBackup.set(key, {
                ...candidateInfo,
                sources: new Set([candidateInfo.sourceName]),
            });
        }
    },

    cachePassiveCandidate(core, candidateInfo) {
        if (candidateInfo.url && !candidateInfo.url.startsWith('blob:')) {
            core.passiveCandidates.set(candidateInfo.url, candidateInfo);
            if (core.passiveCandidates.size > 15) {
                core.passiveCandidates.delete(core.passiveCandidates.keys().next().value);
            }
        }
    },

    forwardCandidateFromIframe(core, candidateInfo, frameCommunicator) {
        core.log(`[iFrame勘查员]发现目标，打包情报上报...`, CONSTANTS.LOG_TYPES.COMM);
        core.decisionInProgress = true;
        frameCommunicator.postToTopFrame({
            type: CONSTANTS.MESSAGE_TYPES.RAW_SIGNAL_FORWARDED,
            payload: {
                url: candidateInfo.url,
                sourceName: candidateInfo.sourceName,
                m3u8Text: candidateInfo.m3u8Text || null,
                survey: candidateInfo.survey,
                mediaElement: null,
            },
        });
    },

    ensureBehavioralFilter(core) {
        if (!core.context.behavioralFilter) {
            core.context.behavioralFilter = new BehavioralFilter(core.context);
        }
        return core.context.behavioralFilter;
    },

    async finalizeTopFrameCandidate(core, candidateInfo) {
        try {
            const analysisResult = await this.ensureBehavioralFilter(core).analyze(candidateInfo);
            if (!analysisResult.isLegitimate) {
                return;
            }
            if (this.handleAnalysisRaceLoss(core, candidateInfo)) {
                return;
            }
            await this.executeCandidateDecision(core, candidateInfo);
        } catch (err) {
            core.log(`[决策]|⚖️|接管执行失败:${err.message}`, CONSTANTS.LOG_TYPES.TAKEOVER_FAIL);
            core.decisionInProgress = false;
            core.reportPlaybackFailure();
        }
    },

    handleAnalysisRaceLoss(core, candidateInfo) {
        if (
            !(core.decisionInProgress || core.context.playerManager.isPlayerActiveOrInitializing) ||
            core.userIntendsToSwitch
        ) {
            return false;
        }
        if (CoreQualityManager.evaluateQualityOverride(core, candidateInfo)) {
            return true;
        }
        if (core.isBufferingBackupCandidates) {
            const targetUrl = core.lastSuccessfulUrl || core.context.playerManager.currentVideoUrl;
            if (targetUrl && candidateInfo.url && !candidateInfo.url.startsWith('blob:')) {
                const isSameFamily = CoreQualityManager.isSameSignalFamily(targetUrl, candidateInfo.url);
                const currSegs = CoreQualityManager.extractComparableUrlSegments(targetUrl);
                const nextSegs = CoreQualityManager.extractComparableUrlSegments(candidateInfo.url);
                const hasAffinity = CoreQualityManager.hasStrongSegmentAffinity(currSegs, nextSegs);
                if (!isSameFamily && !hasAffinity) {
                    return true;
                }
            }

            const key = core._getNormalizationKey(candidateInfo.url);
            if (key && !core.lastCandidatesBackup.has(key)) {
                core.lastCandidatesBackup.set(key, {
                    ...candidateInfo,
                    sources: new Set([candidateInfo.sourceName]),
                });
                core.log(
                    `[并发竞争] 🥈在分析期间失去主导权，转存为同源备份: ${candidateInfo.url.slice(-30)}`,
                    CONSTANTS.LOG_TYPES.INFO
                );
            }
        }
        return true;
    },

    async executeCandidateDecision(core, candidateInfo) {
        core.decisionInProgress = true;
        core.log(
            `[决策]|⚖️|🔒信号「${candidateInfo.sourceName}」通过门禁检查，系统上锁并执行接管。`,
            CONSTANTS.LOG_TYPES.INFO
        );
        core.sandboxManager.cancelCountdown(`捕获到有效信号:${candidateInfo.sourceName}`);
        core.sandboxManager.cleanup();
        core.log(
            `[决策]|⚖️|✅合格信号已确认「来源:${candidateInfo.sourceName}」，立即执行接管！`,
            CONSTANTS.LOG_TYPES.TAKEOVER_SUCCESS
        );
        this.startBackupBufferWindow(core);
        await core._executeTakeover(candidateInfo);
    },

    startBackupBufferWindow(core) {
        core.log(`[备份]|💾|3秒备份窗口已在后台开启...`, CONSTANTS.LOG_TYPES.INFO);
        core.isBufferingBackupCandidates = true;
        core.backupBufferTimer = setTimeout(() => {
            core.isBufferingBackupCandidates = false;
            core.log(`[备份]|💾|3秒备份窗口关闭。`, CONSTANTS.LOG_TYPES.INFO);
        }, 3000);
    },
};

const FailureRecoveryDescriptors = {
    RETRYABLE_REASON_PATTERN:
    /(playback error|metadata load timeout|metadata timeout|sandbox timeout|mediaerror|hls|decode|network)/,
    METADATA_TIMEOUT_PATTERN: /metadata load timeout|metadata timeout/,
    DEFER_THRESHOLD_MS: 6500,
    METADATA_DEFER_THRESHOLD_MS: 6200,
    METADATA_RECOVERY_TARGET_MS: 7000,
    COLD_START_RECOVERY_TARGET_MS: 4200,
    NORMAL_RECOVERY_TARGET_MS: 3800,
    RECOVERY_DELAY_WINDOWS: {
        metadata: { min: 700, max: 1100, fallback: 900 },
        coldStart: { min: 900, max: 1400, fallback: 1000 },
        normal: { min: 800, max: 2200, fallback: 1200 },
    },
};

const FailureRecoveryFactoryUtils = {
    getReasonText(failureContext = {}) {
        return (failureContext.reason || 'Playback Error').toLowerCase();
    },

    clampDelay(remaining, windowConfig) {
        return Math.max(
            windowConfig.min,
            Math.min(windowConfig.max, remaining > 0 ? remaining : windowConfig.fallback)
        );
    },

    collectCandidatePool(core) {
        return new Map([
            ...core.takeoverCandidates,
            ...core.bufferedBackupCandidates,
            ...core.lastCandidatesBackup,
        ]);
    },
};

const CoreFailureRecovery = {
    reportPlaybackFailure(core, failureContext = {}) {
        const currentActiveUrl = core.context.playerManager.currentVideoUrl;
        const failedUrl = failureContext.failedUrl || currentActiveUrl;

        if (this.shouldIgnorePlaybackFailure(failedUrl, currentActiveUrl)) {
            return;
        }
        if (this.consumeIntentionalSwitchFailure(core)) {
            return;
        }

        const { playerManager, frameCommunicator } = core.context;
        this.registerFailedCandidate(core, failedUrl, failureContext.reason);
        this.cleanupFailedPlayer(playerManager);
        this.releaseDecisionState(core);

        const validCandidates = this.collectValidRecoveryCandidates(core);
        if (this.shouldDeferFailureRecovery(core, failureContext, validCandidates, frameCommunicator)) {
            this.scheduleDeferredRecovery(core, failureContext, frameCommunicator);
            return;
        }
        this.clearRecoveryCandidatePools(core);
        this.dispatchRecoveryFallback(core, validCandidates, frameCommunicator);
    },

    shouldDeferFailureRecovery(core, failureContext, validCandidates, frameCommunicator) {
        if (validCandidates.size > 0 || frameCommunicator.pendingMainPlayerSource) {
            return false;
        }
        if (core.isSystemHalted || core.userIntendsToSwitch || core.sandboxManager.hasTriggeredSandbox) {
            return false;
        }
        const reason = FailureRecoveryFactoryUtils.getReasonText(failureContext);
        if (!FailureRecoveryDescriptors.RETRYABLE_REASON_PATTERN.test(reason)) {
            return false;
        }
        const navAt = core.lastSpaNavigationAt || 0;
        if (!navAt || core.navigationRequestId <= 0) {
            return false;
        }
        const elapsed = Date.now() - navAt;
        if (elapsed < 0 || elapsed >= FailureRecoveryDescriptors.DEFER_THRESHOLD_MS) {
            return false;
        }
        if (FailureRecoveryDescriptors.METADATA_TIMEOUT_PATTERN.test(reason)) {
            return elapsed < FailureRecoveryDescriptors.METADATA_DEFER_THRESHOLD_MS;
        }
        return true;
    },

    scheduleDeferredRecovery(core, failureContext, frameCommunicator) {
        const delayMs = this.getDeferredRecoveryDelayMs(core, failureContext);
        if (!(delayMs > 0)) {
            return;
        }
        if (core.pendingRecoveryTimer) {
            clearTimeout(core.pendingRecoveryTimer);
            core.pendingRecoveryTimer = null;
        }
        core.log(
            `[FTR]|🧰|检测到页面仍在路由/数据稳定阶段，延迟故障恢复${Math.round(delayMs)}ms，继续等待新信号。`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        core.pendingRecoveryTimer = setTimeout(() => {
            core.pendingRecoveryTimer = null;
            this.finalizeDeferredRecovery(core, frameCommunicator, failureContext);
        }, delayMs);
    },

    getDeferredRecoveryDelayMs(core, failureContext = {}) {
        const elapsed = Date.now() - (core.lastSpaNavigationAt || 0);
        const reason = FailureRecoveryFactoryUtils.getReasonText(failureContext);
        if (FailureRecoveryDescriptors.METADATA_TIMEOUT_PATTERN.test(reason)) {
            const remaining = FailureRecoveryDescriptors.METADATA_RECOVERY_TARGET_MS - elapsed;
            return FailureRecoveryFactoryUtils.clampDelay(
                remaining,
                FailureRecoveryDescriptors.RECOVERY_DELAY_WINDOWS.metadata
            );
        }
        if (core.lastSpaNavigationWasColdStart && elapsed < FailureRecoveryDescriptors.COLD_START_RECOVERY_TARGET_MS) {
            const remaining = FailureRecoveryDescriptors.COLD_START_RECOVERY_TARGET_MS - elapsed;
            return FailureRecoveryFactoryUtils.clampDelay(
                remaining,
                FailureRecoveryDescriptors.RECOVERY_DELAY_WINDOWS.coldStart
            );
        }
        const remaining = FailureRecoveryDescriptors.NORMAL_RECOVERY_TARGET_MS - elapsed;
        return FailureRecoveryFactoryUtils.clampDelay(
            remaining,
            FailureRecoveryDescriptors.RECOVERY_DELAY_WINDOWS.normal
        );
    },

    finalizeDeferredRecovery(core, frameCommunicator, failureContext = {}) {
        const { playerManager } = core.context;
        if (playerManager.isPlayerActiveOrInitializing || core.decisionInProgress || core.decisionMade) {
            return;
        }
        const validCandidates = this.collectValidRecoveryCandidates(core);
        this.clearRecoveryCandidatePools(core);
        if (validCandidates.size > 0 || frameCommunicator.pendingMainPlayerSource) {
            core.log(
                `[FTR]|🧰|延迟观察窗口结束，检测到新的可用信号，恢复正常重决策。`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
        }
        this.dispatchRecoveryFallback(core, validCandidates, frameCommunicator);
    },

    consumeIntentionalSwitchFailure(core) {
        if (!core.isIntentionalSwitch) {
            return false;
        }
        core.isIntentionalSwitch = false;
        return true;
    },

    cleanupFailedPlayer(playerManager) {
        if (!playerManager.isPlayerActiveOrInitializing) {
            return;
        }
        playerManager.cleanup();
    },

    releaseDecisionState(core) {
        core.decisionMade = false;
        core.decisionInProgress = false;
        core.currentDecisionSourceName = '';
        core.currentDecisionM3u8Text = null;
        core.log(`[FTR]|🧰|🔐系统决策锁已解除，恢复监听状态。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
    },

    clearRecoveryCandidatePools(core) {
        core.takeoverCandidates.clear();
        core.bufferedBackupCandidates.clear();
        core.lastCandidatesBackup.clear();
    },

    dispatchRecoveryFallback(core, validCandidates, frameCommunicator) {
        if (validCandidates.size > 0) {
            this.recoverFromValidCandidates(core, validCandidates);
            return;
        }
        if (frameCommunicator.pendingMainPlayerSource) {
            this.recoverFromPendingMainPlayer(core, frameCommunicator);
            return;
        }
        this.handleSandboxRecoveryFallback(core);
    },

    handleSandboxRecoveryFallback(core) {
        if (core.sandboxManager.canRetryBridgeFlow()) {
            core.log(`[FTR]|🧰|桥接页仍在推进阶段，执行桥接专用重试。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
            core.sandboxManager.reload(false);
            return;
        }
        if (!core.sandboxManager.hasTriggeredSandbox && !core.isSystemHalted) {
            core.log(`[FTR]|🧰|所有已知信号均失效，尝试最后手段：沙箱重载。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
            core.sandboxManager.reload();
            return;
        }
        core.log(`[FTR]|🧰|无可用信号且沙箱已使用过(或系统已休眠)，停止尝试。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
    },

    shouldIgnorePlaybackFailure(failedUrl, currentActiveUrl) {
        if (!failedUrl || !currentActiveUrl || failedUrl === currentActiveUrl) {
            return false;
        }
        return this.getFailureBaseUrl(currentActiveUrl) === this.getFailureBaseUrl(failedUrl);
    },

    getFailureBaseUrl(url) {
        return url ? url.split('?')[0].split('#')[0] : '';
    },

    registerFailedCandidate(core, failedUrl, reason) {
        const failedKey = core._getNormalizationKey(failedUrl);
        if (!core.failedCandidateKeys) {
            core.failedCandidateKeys = new Set();
        }
        if (failedKey) {
            core.failedCandidateKeys.add(failedKey);
        }
        if ((reason || '').includes('403')) {
            const riskKey = CoreQualityManager.get403RiskPatternKey(failedUrl);
            if (riskKey) {
                core.failedRiskyM3u8Patterns.add(riskKey);
            }
        }
        if (failedKey) {
            core.log(
                `[FTR]|🧰|信号源(${failedUrl ? failedUrl.slice(-50) : '未知'}) 因(${reason || 'Playback Error'})已被加入会话黑名单。`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
        }
    },

    collectValidRecoveryCandidates(core) {
        const validCandidates = new Map();
        FailureRecoveryFactoryUtils.collectCandidatePool(core).forEach((value, key) => {
            if (!core.failedCandidateKeys.has(key)) {
                validCandidates.set(key, value);
            }
        });
        return validCandidates;
    },

    recoverFromValidCandidates(core, validCandidates) {
        core.log(
            `[FTR]|🧰|在备用信号中发现${validCandidates.size}个新选项，立即重新决策...`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        const bestAlternative = core._getBestCandidate(Array.from(validCandidates.values()));
        if (bestAlternative) {
            core._executeTakeover(bestAlternative);
        }
    },

    recoverFromPendingMainPlayer(core, frameCommunicator) {
        core.log(`[FTR]|🧰|启用候补Iframe信号，尝试激活...`, CONSTANTS.LOG_TYPES.CORE_EXEC);
        const { source, origin, frameElement } = frameCommunicator.pendingMainPlayerSource;
        Object.assign(frameCommunicator, {
            mainPlayerFrameSource: source,
            mainPlayerFrameOrigin: origin,
            mainPlayerIframeElement: frameElement,
            pendingMainPlayerSource: null,
        });
        source.postMessage({ type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY }, origin);
        setTimeout(() => {
            if (!core.context.playerManager.isPlayerActiveOrInitializing) {
                core.log(`[FTR]|🧰|候补Iframe激活超时(未检测到播放)，强制执行沙箱重载。`, CONSTANTS.LOG_TYPES.WARN);
                core.sandboxManager.reload();
            }
        }, 1000);
    },
};

const DomScannerMediaPipeline = {
    async processMediaElement(scanner, media) {
        const { coreLogic } = scanner.context;
        if (this.shouldSkipMediaElement(coreLogic, media)) {
            return false;
        }

        const targetSrc = this.getMediaElementSource(media);
        if (!this.validateMediaElementSource(scanner, media, targetSrc)) {
            return false;
        }
        if (this.isMutedLoopingDecoration(media)) {
            return false;
        }
        if (!this.lockMediaElementSource(media, targetSrc)) {
            return false;
        }

        coreLogic.neutralizeOriginalPlayer(media, 'active');

        const candidateInfo = this.buildDomCandidateInfo(media, targetSrc);
        if (media.tagName === 'VIDEO') {
            this.enrichCandidateFromDataset(scanner, media, candidateInfo);
        }
        coreLogic.addTakeoverCandidate(candidateInfo);
        return true;
    },

    shouldSkipMediaElement(coreLogic, media) {
        return coreLogic.isSystemHalted || coreLogic.isRestoreInProgress || media.id === CONSTANTS.IDS.PLAYER;
    },

    getMediaElementSource(media) {
        const getValidSrc = (el) => {
            if (!el) {
                return null;
            }
            const attrSrc = el.getAttribute('src');
            if (
                attrSrc &&
                attrSrc.length > 40 &&
                !attrSrc.includes('/') &&
                !attrSrc.includes('.') &&
                /^[a-zA-Z0-9\+\/]+={0,2}$/.test(attrSrc)
            ) {
                return null;
            }
            return el.src;
        };
        return getValidSrc(media) || getValidSrc(media.querySelector('source[src]'));
    },

    validateMediaElementSource(scanner, media, targetSrc) {
        if (!targetSrc || media.dataset.dmzIsAd === 'true' || media.dataset.dmzIgnored === 'true') {
            return false;
        }
        if (PageScanner.isPreRollAdByPathFeatures(targetSrc, scanner.context)) {
            media.dataset.dmzIsAd = 'true';
            return false;
        }
        return true;
    },

    isMutedLoopingDecoration(media) {
        if (!(media.loop && media.muted && media.autoplay && !media.controls)) {
            return false;
        }
        media.dataset.dmzIgnored = 'true';
        return true;
    },

    lockMediaElementSource(media, targetSrc) {
        if (media.dataset.dmzSourceLocked === targetSrc) {
            return false;
        }
        media.dataset.dmzSourceLocked = targetSrc;
        return true;
    },

    buildDomCandidateInfo(media, targetSrc) {
        const rect = media.getBoundingClientRect();
        const style = window.getComputedStyle(media);
        const isPrimary = Utils.isElementInPrimaryMediaRegion(media);
        return {
            mediaElement: media,
            isPrimaryMedia: isPrimary,
            survey: {
                rect: { width: rect.width, height: rect.height },
                videoSize: media.tagName === 'VIDEO' && media.videoWidth ? { w: media.videoWidth, h: media.videoHeight } : null,
                computedStyle: {
                    display: style.display,
                    visibility: style.visibility,
                },
            },
            url: targetSrc,
            sourceName: CONSTANTS.TAKEOVER_SOURCES.DOM_HTTP,
        };
    },

    enrichCandidateFromDataset(scanner, media, candidateInfo) {
        for (const key in media.dataset) {
            const resolvedUrl = this.resolveMediaDatasetUrl(media.dataset[key]);
            if (!resolvedUrl) {
                continue;
            }
            const ext = /\.(m3u8|mp4|flv|webm|mkv)(\?|$)/i;
            if (ext.test(resolvedUrl) && !PageScanner.isPreRollAdByPathFeatures(resolvedUrl, scanner.context)) {
                candidateInfo.url = resolvedUrl;
                candidateInfo.sourceName = CONSTANTS.TAKEOVER_SOURCES.DOM_ATTR;
                break;
            }
        }
    },

    resolveMediaDatasetUrl(val) {
        if (!(typeof val === 'string' && (val.includes('http') || val.includes('{')))) {
            return null;
        }
        try {
            if (val.trim().startsWith('{')) {
                const cfg = JSON.parse(val);
                return cfg.src || cfg.url || cfg.videoUrl || null;
            }
            if (val.startsWith('http')) {
                return val;
            }
        } catch (e) {
            console.debug('Failed to parse DOM attributes:', e);
        }
        return null;
    },
};

const DomUtils = {
    core: DomUtilsCore,
    create(tag, options = {}, children = []) {
        const el = document.createElement(tag);
        Object.entries(options).forEach(([key, value]) => {
            this.core.applyOption(el, key, value);
        });
        return this.core.appendChildren(el, children);
    },

    toggleIcon(showIcon, hideIcons = []) {
        this.core.setIconVisibility(showIcon, hideIcons);
    },

    toggleVisibility(element, forceState) {
        return this.core.toggleVisibilityClass(element, CONSTANTS.CLASSES.VISIBLE, forceState);
    },

    createCopyButtonWithFeedback(textToCopy, buttonText = '复制') {
        const button = this.create('button', {
            className: 'copy-btn',
            title: '复制',
            textContent: buttonText,
        });
        button.addEventListener('click', (e) => {
            e.stopPropagation();
            Utils.copyToClipboard(textToCopy, () => {
                button.textContent = '✔ 已复制!';
                setTimeout(() => {
                    button.textContent = buttonText;
                }, 1500);
            });
        });
        return button;
    },

    getAttrSignature(el) {
        return this.core.buildAttrSignature(el);
    },

    showButtonFeedback(button, config) {
        this.core.setTemporaryButtonState(button, config);
    },
};

const Utils = {
    clipboard: ClipboardUtils,
    timing: TimingUtils,
    mediaRegion: MediaViewportUtils,
    _iframeProbeCache: new Map(),
    _iframeProbeInflight: new Set(),
    NoisePatterns: {
        HIGH_SCORE_PATH:
        /(?:^|[\/_\?&=-])(play|watch|vodplay|m3u8|player|view|video|videos|movie|movies|film|drama|shorties|short|tvshows|jav|subtitles|photo)(?:$|[\/_\?&=-]|\d|\.)/i,
        HIGH_SCORE_FULL: /(?:[\?&](?:vid|video(?:_?(?:id|key))?|media_?id|vod_?id|content_?id|item_?id)=)|(?:[\?&]id=[a-f0-9]{8,})/i,
        DETAIL_PATH: /(gua_details|vod\/details|archives)[/_]/,
        DETAIL_SPLIT: /(?:^|[\/_])detail[\/_]/,
        MULTI_NUM: /(?:^|[\/_-])\d+[-_]\d+(?:[-_]\d+)?(?:[\/_\.]|$)/,
        YEAR: /[-_](19|20)\d{2}([-_]|$)/,
        FILTER: /[-_]0[-_]0/,
        CODE: /(?:^|[\/_-])[a-z]{2,}-?\d{3,}(?:$|[\/_\.]|html)/i,
        LONG_ID: /\/[a-z0-9-_]{3,}\/\d{6,}(\.html)?\/?$/,
        HEX_ROOT: /^\/[a-f0-9]{6,32}\/?$/i,
        MEDIUM_SCORE: /(?:^|[\/_\?&=-])(video|bangumi|anime|dsj|dy|zy|dm|tv)(?:$|[\/_\?&=-]|\d)/i,
        LOW_SCORE: /(?:^|[\/_\?&=-])(episode|chapter)(?:$|[\/_\?&=-])/i,
        MINIMAL_SCORE: /(?:^|[\/_\?&=-])vod(?:$|[\/_\?&=-]|\d)/i,
        PARAM_ID: /[\?&](id|vid|aid|cid|v|f|p|video_id|videoid|video_key|videokey|media_id|mediaid|vod_id|vodid|content_id|contentid|item_id|itemid|episode_id|episodeid|ep|eid)=([a-zA-Z0-9-_]+)/,
        PATH_ID: /[\/](id|vid|aid|cid|v|f|p|vod|play|detail|details|view|content|item)[\/]([a-zA-Z0-9-_]+)/,
        INVALID_ID:
        /^(video|videos|vod|view|drama|movie|movies|short|shorties|detail|details|archives|dongman|anime|category|tag|label|search|index|home|about|contact|help|feed|sitemap|overview|mail|email|product|features|upgrade|support|install|terms|privacy|policy|html|htm|php|jsp|asp|page|pages|list|tvshows|porn-?video|jav-?video|adult-?video|tube|porn|jav|av|play|topic|thread|post)$/i,
        NEGATIVE_KEYWORDS:
        /(?:^|[\/_\-])(status|topic|post|tweet|detail|intro|book|read|novel|xiaoshuo|manhua|comic|article|news|doc|download|shop|cart|donate|login|auth|user|profile|archives|forum|thread|scripts|greasyfork|channel|board|subject|pages|overview|mail|email|product|about|help|faq|welcome|contact|terms|privacy|policy|install|upgrade|support|features|live|vodtype|voddetail|dongman|edit|editor|console|dashboard|workbench|build|deploy|project|cloud|service|workers|landing|student|pricing|billing|marketing|solution)(?:$|[\/_\-]|\.)|[\?&](status|topic|post|tweet|detail|intro|book|read|novel|xiaoshuo|manhua|comic|article|news|doc|download|shop|cart|donate|login|auth|user|profile|archives|forum|thread|scripts|greasyfork|channel|board|subject|pages|overview|mail|email|product|about|help|faq|welcome|contact|terms|privacy|policy|install|upgrade|support|features|live|vodtype|voddetail|dongman|edit|editor|console|dashboard|workbench|build|deploy|project|cloud|service|workers|landing|student|pricing|billing|marketing|solution)=/i,
        NEGATIVE_PATH: /(^|\/)(s|search|query|results?|find)\/?$/i,
        STRONG_NEGATIVE:
        /^\/(jav|porn|tube|subtitles|chinese-subtitles|channels|models|stars|albums|full[-_]?(porn|film|vod)|[a-z0-9]+[-_]videos?)\/?$/i,
        LIST_KEYWORDS:
        /(?:^|[\/_-])(list|cate|category|categories|tag|tags|sort|search|filter|index|home|default|genres|orderby|region|cats|pages?|type)(?:$|[\/_-]|\.)|[\?&](list|cate|category|categories|tag|tags|sort|search|filter|index|home|default|genres|orderby|region|cats|pages?|type)=/i,
        SORT_PARAMS: /[\?&](page|q|query|sort|order|by)=/i,
    },

    debounce(func, wait) {
        return this.timing.debounce(func, wait);
    },

    findInteractiveAncestor(startNode, options = {}) {
        return InteractionUtils.findInteractiveAncestor(startNode, options);
    },

    isVisibleElement(el) {
        return this.mediaRegion.isVisibleElement(el);
    },

    _getPrimaryMediaCandidateScore(el, rect, viewportWidth, viewportHeight) {
        return this.mediaRegion.getPrimaryMediaCandidateScore(el, rect, viewportWidth, viewportHeight);
    },

    getPrimaryMediaViewportRect(root = document) {
        return this.mediaRegion.getPrimaryMediaViewportRect(root);
    },

    isElementInPrimaryMediaRegion(el, root = document, mediaRect = null) {
        return this.mediaRegion.isElementInPrimaryMediaRegion(el, root, mediaRect);
    },

    queryVisibleElements(selectors, root = document) {
        return DomQueryUtils.queryVisibleElements(selectors, root, (el) => this.isVisibleElement(el));
    },

    queryFirstVisiblePerSelector(selectors, root = document) {
        return DomQueryUtils.queryFirstVisiblePerSelector(
            selectors,
            root,
            (scope) => this.getPrimaryMediaViewportRect(scope),
            (el) => this.isVisibleElement(el),
            (el, scope, mediaRect) => this.isElementInPrimaryMediaRegion(el, scope, mediaRect)
        );
    },

    dispatchMouseEventSequence(target, eventTypes, eventOptions = {}, errorLabel = 'Event dispatch failed:') {
        InteractionUtils.dispatchMouseEventSequence(target, eventTypes, eventOptions, errorLabel);
    },

    safeNativeClick(target, errorLabel = 'Native click failed:') {
        return InteractionUtils.safeNativeClick(target, errorLabel);
    },

    startPollingTask(interval, onTick, errorLabel = 'Polling task failed:') {
        return InteractionUtils.startPollingTask(interval, onTick, errorLabel);
    },

    wildcardToRegex(pattern) {
        return UrlUtils.wildcardToRegex(pattern);
    },

    probeIframeForM3u8(src, context, sourceName) {
        IframeProbeUtils.probe(src, context, sourceName, this._iframeProbeCache, this._iframeProbeInflight);
    },

    isM3U8(url) {
        return UrlUtils.isM3U8(url);
    },

    copyToClipboard(text, successCallback) {
        return this.clipboard.writeText(text, successCallback);
    },

    formatTime(seconds) {
        return UrlUtils.formatTime(seconds);
    },

    getVideoFormat(url) {
        return UrlUtils.getVideoFormat(url, (value) => this.isM3U8(value));
    },

    _getNormalizedPath() {
        return PagePathScoreUtils.getNormalizedPath();
    },

    _calculatePathScore(path, full, hostname) {
        return PagePathScoreUtils.calculatePathScore(path, full, hostname, this.NoisePatterns);
    },

    _calculateIdScore(path, full) {
        return PagePathScoreUtils.calculateIdScore(path, full, this.NoisePatterns);
    },

    isHighNoisePage(context = null) {
        return PageSleepModel.evaluate(context).reason;
    },

    discoverDynamicPlayButtons(root = document) {
        return DynamicPlayButtonUtils.discover(root, {
            findInteractiveAncestor: (el, options) => this.findInteractiveAncestor(el, options),
            isVisibleElement: (el) => this.isVisibleElement(el),
            getPrimaryMediaViewportRect: (scope) => this.getPrimaryMediaViewportRect(scope),
            isElementInPrimaryMediaRegion: (el, scope, mediaRect) =>
            this.isElementInPrimaryMediaRegion(el, scope, mediaRect),
        });
    },
};

const PageSleepModel = {
    _scoreCache: new Map(),
    THRESHOLDS: {
        SLEEP_SCORE: 50,
        MIN_MEDIA_WIDTH: 220,
        MIN_MEDIA_HEIGHT: 124,
        DOM_MEDIA_RECT: 12,
        DOM_VIDEO_TAG: 18,
        DOM_PLAYER_ATTR: 12,
        DOM_MEDIA_IFRAME: 10,
        DOM_PLAY_BUTTON: 8,
        PENDING_CANDIDATE: 12,
    },

    evaluate(context = null) {
        const urlScore = this._getUrlScore();
        const domEvidence = this._getDomEvidence();
        const runtimeEvidence = this._getRuntimeEvidence(context);
        const adjustedUrlScore = this._getAdjustedUrlScore(urlScore, domEvidence, runtimeEvidence);
        const score = adjustedUrlScore + domEvidence.score + runtimeEvidence.score;
        return {
            score,
            urlScore: adjustedUrlScore,
            domScore: domEvidence.score,
            runtimeScore: runtimeEvidence.score,
            reasons: [...urlScore.reasons, ...domEvidence.reasons, ...runtimeEvidence.reasons],
            isSleeping: score < this.THRESHOLDS.SLEEP_SCORE,
            reason: score >= this.THRESHOLDS.SLEEP_SCORE ? false : `特征不足(得分${score})`,
        };
    },

    _getUrlScore() {
        const cacheKey = window.location.href;
        if (this._scoreCache.has(cacheKey)) {
            return this._scoreCache.get(cacheKey);
        }
        const { path, full, hostname } = Utils._getNormalizedPath();
        const pathScore = Utils._calculatePathScore(path, full, hostname);
        const idScore = Utils._calculateIdScore(path, full);
        const result = {
            score: pathScore + idScore,
            reasons: [`path:${pathScore}`, `id:${idScore}`],
        };
        this._scoreCache.set(cacheKey, result);
        return result;
    },

    _getAdjustedUrlScore(urlScore, domEvidence, runtimeEvidence) {
        if (domEvidence.score > 0 || runtimeEvidence.score > 0) {
            return urlScore.score;
        }
        const { path, full } = Utils._getNormalizedPath();
        if (this._isWeakDetailPath(path, full)) {
            return Math.min(urlScore.score, 24);
        }
        return urlScore.score;
    },

    _isWeakDetailPath(path = '', full = '') {
        return PagePathScoreUtils.isWeakDetailPath(path, full, Utils.NoisePatterns);
    },

    _getDomEvidence() {
        const T = this.THRESHOLDS;
        let score = 0;
        const reasons = [];
        try {
            const scope = document;
            const primaryMedia = this._findPrimaryMediaElement(scope);
            if (primaryMedia) {
                const rect = primaryMedia.getBoundingClientRect();
                if (rect.width >= T.MIN_MEDIA_WIDTH && rect.height >= T.MIN_MEDIA_HEIGHT) {
                    score += T.DOM_MEDIA_RECT;
                    reasons.push('dom:primary_media');
                }
                const attr = (
                    primaryMedia.id +
                    ' ' +
                    primaryMedia.className +
                    ' ' +
                    (primaryMedia.getAttribute('title') || '')
                ).toLowerCase();
                if (primaryMedia.tagName === 'VIDEO') {
                    score += T.DOM_VIDEO_TAG;
                    reasons.push('dom:video_tag');
                } else if (
                    primaryMedia.tagName === 'IFRAME' &&
                    /(play|video|vod|embed|stream|player|m3u8)/i.test(primaryMedia.src || '')
                ) {
                    score += T.DOM_MEDIA_IFRAME;
                    reasons.push('dom:media_iframe');
                }
                if (/(player|video|jw|prism|dplayer|plyr|art)/.test(attr)) {
                    score += T.DOM_PLAYER_ATTR;
                    reasons.push('dom:player_attr');
                }
            }

            if (document.readyState !== 'loading') {
                const dynamicButtons = Utils.discoverDynamicPlayButtons(scope);
                if (dynamicButtons.length > 0) {
                    score += T.DOM_PLAY_BUTTON;
                    reasons.push('dom:play_button');
                }
            }
        } catch (e) {
            console.debug('PageSleepModel DOM evidence failed:', e);
        }
        return { score, reasons };
    },

    _findPrimaryMediaElement(root = document) {
        const scope = root && typeof root.querySelectorAll === 'function' ? root : document;
        const viewportWidth = window.innerWidth;
        const viewportHeight = window.innerHeight;
        let bestElement = null;
        let bestScore = -Infinity;
        for (const el of scope.querySelectorAll(CONSTANTS.SELECTORS.PLAYER_ELEMENTS)) {
            if (!Utils.isVisibleElement(el)) {
                continue;
            }
            if (el.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
                continue;
            }
            const rect = el.getBoundingClientRect();
            if (rect.width < this.THRESHOLDS.MIN_MEDIA_WIDTH || rect.height < this.THRESHOLDS.MIN_MEDIA_HEIGHT) {
                continue;
            }
            if (rect.bottom < 0 || rect.top > viewportHeight || rect.right < 0 || rect.left > viewportWidth) {
                continue;
            }
            const score = Utils._getPrimaryMediaCandidateScore(el, rect, viewportWidth, viewportHeight);
            if (score > bestScore) {
                bestScore = score;
                bestElement = el;
            }
        }
        return bestElement;
    },

    _getRuntimeEvidence(context) {
        const reasons = [];
        let score = 0;
        const pendingCount = context?.coreLogic?.pendingSpaCandidates?.length || 0;
        if (pendingCount > 0) {
            score += this.THRESHOLDS.PENDING_CANDIDATE;
            reasons.push('runtime:pending_candidate');
        }
        return { score, reasons };
    },
};

const SmartClickModel = {
    _clickedAt: new WeakMap(),
    _observedVideos: new WeakSet(),
    _playbackEventMarks: new WeakMap(),
    _lastPlaybackStateCache: {
        root: null,
        stamp: 0,
        value: null,
    },
    _lastPlaybackAt: 0,
    _lastGlobalClickAt: 0,
    _lastClickFingerprint: null,
    CONFIG: {
        CLICK_COOLDOWN_MS: 300,
        GLOBAL_CLICK_SETTLE_MS: 500,
        PLAYBACK_SUCCESS_WINDOW_MS: 5000,
        MIN_CONFIDENCE_SCORE: 80,
        MIN_VIDEO_CONFIDENCE_SCORE: 200,
        FALLBACK_MIN_SCORE: 100,
        TIMEUPDATE_THROTTLE_MS: 800,
        PLAYBACK_STATE_CACHE_MS: 180,
    },
    REGEX: {
        POSITIVE:
        /(play|start|resume|watch|bofang|播放|开始|继续|prism|jw|plyr|dplayer|video-js|big-play|overlaid|center-play|play-icon|player_overlays_play_button)/,
        NEGATIVE:
        /(translate|comment|chat|disqus|feedback|reply|submit|login|signup|register|share|download|like|collect|favorite|follow|unfollow|close|skip|ad-|ads|advert|tracker|history|record|记录|历史|mini|pip|picture-in-picture|fullscreen|volume|setting|mute|menu|subtitle|captions|danmu|弹幕|card|list|item|thumb|poster|recommend|related|next|prev|episode|guess|more|season|route|line|线路|选集|导航|search|menu|score|评分)/,
        PLAYER: /(player|video|media|stream|overlay|jw|prism|dplayer|plyr|art|vjs|fp-ui)/,
    },

    ensurePlaybackObservers(root = document) {
        const scope = root && typeof root.querySelectorAll === 'function' ? root : document;
        scope.querySelectorAll('video').forEach((video) => {
            if (this._observedVideos.has(video)) {
                return;
            }
            this._observedVideos.add(video);
            const mark = (event) => {
                if (event?.type === 'timeupdate') {
                    const now = performance.now();
                    const lastMark = this._playbackEventMarks.get(video) || 0;
                    if (now - lastMark < this.CONFIG.TIMEUPDATE_THROTTLE_MS) {
                        return;
                    }
                    this._playbackEventMarks.set(video, now);
                }
                if (!video.ended && !video.paused && video.readyState >= 2) {
                    this.markPlaybackSuccess(video);
                }
            };
            ['playing', 'timeupdate', 'loadeddata', 'canplay'].forEach((type) => {
                video.addEventListener(type, mark, { passive: true });
            });
        });
    },

    markPlaybackSuccess(video = null) {
        this._lastPlaybackAt = Date.now();
        if (video && video.dataset) {
            video.dataset.dmzPlaybackConfirmed = '1';
        }
    },

    getPlaybackState(root = document) {
        this.ensurePlaybackObservers(root);
        const now = performance.now();
        if (
            this._lastPlaybackStateCache.root === root &&
            this._lastPlaybackStateCache.value &&
            now - this._lastPlaybackStateCache.stamp <= this.CONFIG.PLAYBACK_STATE_CACHE_MS
        ) {
            return this._lastPlaybackStateCache.value;
        }
        let result;
        if (Date.now() - this._lastPlaybackAt <= this.CONFIG.PLAYBACK_SUCCESS_WINDOW_MS) {
            result = { isPlaying: true, reason: 'recent_playback_event' };
        } else {
            const scope = root && typeof root.querySelectorAll === 'function' ? root : document;
            const videos = Array.from(scope.querySelectorAll('video'));
            let best = null;
            let bestScore = -Infinity;
            for (const video of videos) {
                const score = this._getVideoPlaybackScore(video);
                if (score > bestScore) {
                    bestScore = score;
                    best = video;
                }
                if (this._isVideoActuallyPlaying(video)) {
                    this.markPlaybackSuccess(video);
                    result = { isPlaying: true, reason: 'visible_video_playing', video };
                    break;
                }
            }
            if (!result) {
                result = {
                    isPlaying: false,
                    reason: best ? 'best_video_not_playing' : 'no_video',
                };
            }
        }
        this._lastPlaybackStateCache = {
            root,
            stamp: now,
            value: result,
        };
        return result;
    },

    shouldStopAutomation(context = null, root = document) {
        if (context?.playerManager?.isPlayerActiveOrInitializing || context?.coreLogic?.decisionInProgress) {
            return true;
        }
        return this.getPlaybackState(root).isPlaying;
    },

    _isVideoActuallyPlaying(video) {
        if (!video || video.readyState < 2 || video.ended) {
            return false;
        }
        const rect =
              typeof video.getBoundingClientRect === 'function'
        ? video.getBoundingClientRect()
        : { width: 0, height: 0 };
        if (rect.width < 120 || rect.height < 68) {
            return false;
        }
        return (
            !video.paused &&
            (video.currentTime > 0.12 || !!video.dataset.dmzPlaybackConfirmed || this._isTimeAdvancing(video))
        );
    },

    _isTimeAdvancing(video) {
        const now = performance.now();
        const lastTime = Number(video.dataset.dmzLastTime || 0);
        const lastStamp = Number(video.dataset.dmzLastStamp || 0);
        video.dataset.dmzLastTime = String(video.currentTime || 0);
        video.dataset.dmzLastStamp = String(now);
        if (!lastStamp) {
            return false;
        }
        return video.currentTime > lastTime && now - lastStamp <= 1500;
    },

    _getVideoPlaybackScore(video) {
        const rect = video.getBoundingClientRect();
        let score = rect.width * rect.height;
        if (Utils.isElementInPrimaryMediaRegion(video)) {
            score += 150000;
        }
        if (video.readyState >= 2) {
            score += 50000;
        }
        if (!video.paused) {
            score += 300000;
        }
        if (video.currentTime > 0) {
            score += 200000;
        }
        return score;
    },

    getCandidateScore(el, options = {}) {
        if (!el || typeof el.getBoundingClientRect !== 'function') {
            return -Infinity;
        }
        const rect = el.getBoundingClientRect();
        if (rect.width <= 0 || rect.height <= 0) {
            return -Infinity;
        }
        const interactive =
              Utils.findInteractiveAncestor(el, {
                  stopNode: document.body,
                  maxDepth: 4,
              }) || el;
        const target = interactive || el;
        const targetRect = target.getBoundingClientRect();
        const attrStr = DomUtils.getAttrSignature(target);
        const area = targetRect.width * targetRect.height;
        let score = 0;
        const inMediaRegion = Utils.isElementInPrimaryMediaRegion(target);
        const hasPlayerContext = this._hasPlayerContext(target);
        if (!inMediaRegion) {
            score -= 180;
        } else {
            score += 90;
        }
        if (!hasPlayerContext) {
            score -= 120;
        } else {
            score += 80;
        }
        if (this.REGEX.POSITIVE.test(attrStr)) {
            score += 180;
        }
        if (
            /(big-play|overlaid|center-play|play-icon|play-button|prism-big-play-btn|vjs-big-play-button|plyr__control--overlaid|dplayer-mobile-play|art-control-play|fp-ui)/.test(
                attrStr
            )
        ) {
            score += 170;
        }
        if (target.tagName === 'BUTTON' || target.getAttribute('role') === 'button') {
            score += 90;
        }
        if (target.tagName === 'VIDEO') {
            score += options.allowVideoElement ? 30 : -220;
        }
        if (/^a$/i.test(target.tagName) && !(target.href || '').includes('javascript')) {
            score -= 160;
        }
        if (this.REGEX.NEGATIVE.test(attrStr)) {
            score -= 260;
        }
        if (area < 256) {
            score -= 120;
        } else if (area >= 400 && area <= 30000) {
            score += 70;
        } else if (area > window.innerWidth * window.innerHeight * 0.4) {
            score -= 180;
        }
        const mediaRect = Utils.getPrimaryMediaViewportRect(document);
        if (mediaRect) {
            const centerX = targetRect.left + targetRect.width / 2;
            const centerY = targetRect.top + targetRect.height / 2;
            const mediaCenterX = (mediaRect.left + mediaRect.right) / 2;
            const mediaCenterY = (mediaRect.top + mediaRect.bottom) / 2;
            const centerDistance = Math.abs(centerX - mediaCenterX) + Math.abs(centerY - mediaCenterY);
            score += Math.max(0, 700 - centerDistance) / 8;
        }
        if (
            target.closest(
                '[id*="comment"],[class*="comment"],[id*="chat"],[class*="chat"],[class*="prev"],[class*="next"],[class*="episode"],[class*="recommend"],[class*="related"]'
            )
        ) {
            score -= 300;
        }
        return score;
    },

    isHighConfidenceTarget(el, options = {}) {
        const score = this.getCandidateScore(el, options);
        const threshold =
              el?.tagName === 'VIDEO' && options.allowVideoElement
        ? this.CONFIG.MIN_VIDEO_CONFIDENCE_SCORE
        : this.CONFIG.MIN_CONFIDENCE_SCORE;
        return Number.isFinite(score) && score >= threshold;
    },

    canClickTarget(el) {
        if (!el) {
            return false;
        }
        const now = Date.now();
        if (this.shouldStopAutomation(null)) {
            return false;
        }
        if (this._lastGlobalClickAt && now - this._lastGlobalClickAt < this.CONFIG.GLOBAL_CLICK_SETTLE_MS) {
            return false;
        }
        const last = this._clickedAt.get(el) || 0;
        return now - last >= this.CONFIG.CLICK_COOLDOWN_MS;
    },

    recordClick(el) {
        if (el) {
            const now = Date.now();
            this._clickedAt.set(el, now);
            this._lastGlobalClickAt = now;
            this._lastClickFingerprint = this.getElementFingerprint(el);
        }
    },

    isInSettleWindow() {
        return (
            !!this._lastGlobalClickAt && Date.now() - this._lastGlobalClickAt < this.CONFIG.GLOBAL_CLICK_SETTLE_MS
        );
    },

    getElementFingerprint(el) {
        if (!el || typeof el.getBoundingClientRect !== 'function') {
            return null;
        }
        const rect = el.getBoundingClientRect();
        return [
            el.tagName || '',
            el.id || '',
            String(el.className || '').slice(0, 120),
            Math.round(rect.left),
            Math.round(rect.top),
            Math.round(rect.width),
            Math.round(rect.height),
        ].join('|');
    },

    resolveClickTarget(el) {
        if (!el) {
            return null;
        }
        return (
            Utils.findInteractiveAncestor(el, {
                stopNode: document.body,
                maxDepth: 4,
            }) || el
        );
    },

    getFallbackConfidence(el) {
        const score = this.getCandidateScore(el, {
            allowVideoElement: el?.tagName === 'VIDEO',
        });
        return Number.isFinite(score) ? score : -Infinity;
    },

    isSafeFallbackTarget(el) {
        if (!el || !Utils.isElementInPrimaryMediaRegion(el) || !this._hasPlayerContext(el)) {
            return false;
        }
        const score = this.getFallbackConfidence(el);
        if (score < this.CONFIG.FALLBACK_MIN_SCORE) {
            return false;
        }
        const mediaRect = Utils.getPrimaryMediaViewportRect(document);
        if (!mediaRect || typeof el.getBoundingClientRect !== 'function') {
            return true;
        }
        const rect = el.getBoundingClientRect();
        const centerX = rect.left + rect.width / 2;
        const centerY = rect.top + rect.height / 2;
        const mediaCenterX = (mediaRect.left + mediaRect.right) / 2;
        const mediaCenterY = (mediaRect.top + mediaRect.bottom) / 2;
        const dx = Math.abs(centerX - mediaCenterX);
        const dy = Math.abs(centerY - mediaCenterY);
        const maxDx = Math.max(48, (mediaRect.right - mediaRect.left) * 0.32);
        const maxDy = Math.max(36, (mediaRect.bottom - mediaRect.top) * 0.28);
        return dx <= maxDx && dy <= maxDy;
    },

    _hasPlayerContext(el) {
        return !!el?.closest(CONSTANTS.SELECTORS.PLAYER_CONTEXT);
    },
};

const EventSubscriptionUtils = {
    add(store, element, eventType, handler, options) {
        if (!element || typeof element.addEventListener !== 'function' || typeof handler !== 'function') {
            return () => {};
        }
        const entry = { element, eventType, handler, options };
        element.addEventListener(eventType, handler, options);
        store.push(entry);
        return () => this.remove(store, entry);
    },

    remove(store, entry) {
        if (!entry) {
            return;
        }
        entry.element?.removeEventListener(entry.eventType, entry.handler, entry.options);
        const index = store.indexOf(entry);
        if (index !== -1) {
            store.splice(index, 1);
        }
    },

    removeAll(store) {
        for (const entry of RefactorCollectionUtils.snapshot(store)) {
            this.remove(store, entry);
        }
    },
};

const LogEntryFactory = {
    create(message, type, details = null) {
        return {
            type: type || CONSTANTS.LOG_TYPES.INFO,
            message,
            frame: CONSTANTS.IS_TOP_FRAME ? 'Top' : 'iFrame',
            timestamp: Date.now(),
            details: details && typeof details === 'object' ? { ...details } : null,
        };
    },
};

const LogStoreUtils = {
    push(store, entry, maxEntries) {
        const limit = Number.isFinite(maxEntries) && maxEntries > 0 ? maxEntries : Infinity;
        while (store.length >= limit) {
            store.shift();
        }
        store.push(entry);
        return entry;
    },

    getAll(store) {
        return RefactorCollectionUtils.snapshot(store);
    },
};

class EventManager {
    constructor() {
        this.listeners = [];
    }

    add(element, eventType, handler, options) {
        return EventSubscriptionUtils.add(this.listeners, element, eventType, handler, options);
    }

    removeAll() {
        EventSubscriptionUtils.removeAll(this.listeners);
    }
}

class ActionLogger {
    constructor() {
        this.logs = [];
        this.maxEntries = CONSTANTS.LIMITS.MAX_LOG_ENTRIES;
        this.context = null;
    }

    setContext(context) {
        this.context = context;
    }

    log(message, type = CONSTANTS.LOG_TYPES.INFO, details = null) {
        const logEntry = LogStoreUtils.push(
            this.logs,
            LogEntryFactory.create(message, type, details),
            this.maxEntries
        );
        EventBus.emit('LOG_ENTRY', logEntry);
    }

    getLogs() {
        return LogStoreUtils.getAll(this.logs);
    }
}

class SettingsManager extends BaseModule {
    constructor(context) {
        super(context, 'SettingsManager');
        this.defaults = {
            autoPlay: true,
            blacklist: ['github.com', 'stackoverflow.com', 'developer.mozilla.org', '*youtube.com'],
            crossFrameSupport: true,
            defaultPlaybackRate: 1.0,
            longPressRate: 2.0,
            enableDecryptionHook: true,
            enableNetworkInterceptor: true,
            enablePlayerTakeover: true,
            isMuted: false,
            isSmartSlicingEnabled: true,
            lastVolume: 0.8,
            maxRetryCount: 1,
            enableJsonInspector: true,
            enableSetAttributeHooker: true,
        };
        this.config = {};
    }

    async load() {
        this.config = (await GM_getValue('dmz_v2_settings', {})) ?? {};
        if (this.config.floatingPlayerPos) {
            delete this.config.floatingPlayerPos;
        }
        this.config = { ...this.defaults, ...this.config };
        State.config = this.config;
        this.log('加载完成。', CONSTANTS.LOG_TYPES.CONFIG);
    }

    async save(newConfig, applyLive = true) {
        const oldConfig = { ...this.config };
        this.config = { ...this.config, ...newConfig };
        State.config = this.config;
        await GM_setValue('dmz_v2_settings', this.config);
        if (applyLive) {
            this.log('配置已保存', CONSTANTS.LOG_TYPES.CONFIG);
            EventBus.emit('CONFIG_UPDATED', { oldConfig, newConfig: this.config });
            this.context.frameCommunicator.showNotification('设置已保存并应用。部分更改可能需要刷新页面才能生效。');
        }
    }

    async reset() {
        const oldConfig = { ...this.config };
        const persistentState = {
            lastVolume: this.config.lastVolume,
            isMuted: this.config.isMuted,
        };
        this.config = { ...this.defaults, ...persistentState };
        State.config = this.config;
        await GM_setValue('dmz_v2_settings', this.config);
        EventBus.emit('CONFIG_UPDATED', { oldConfig, newConfig: this.config });
        this.log('配置已重置为默认值', CONSTANTS.LOG_TYPES.CONFIG);
        this.context.frameCommunicator.showNotification('已恢复为默认设置。');
        return this.config;
    }

    _getSiteKey(hostname) {
        const host = hostname || window.location.hostname;
        const match = host.match(
            /([a-z0-9-]+\.(?:com|net|org|gov|edu|[a-z]{2})\.[a-z]{2}|[a-z0-9-]+\.[a-z0-9-]+)$/i
        );
        return match ? match[0] : host;
    }

    async savePlayerPosition(hostname, orientationKey, pos) {
        const positions = await GM_getValue('dmz_player_positions_v2', {});
        const siteKey = this._getSiteKey(hostname);
        if (!positions[siteKey]) {
            positions[siteKey] = {};
        }
        positions[siteKey][orientationKey] = pos;
        await GM_setValue('dmz_player_positions_v2', positions);
    }

    async loadPlayerPosition(hostname, orientationKey) {
        const positions = await GM_getValue('dmz_player_positions_v2', {});
        const siteKey = this._getSiteKey(hostname);
        return positions?.[siteKey]?.[orientationKey] || null;
    }
}

const DiagnosticsDescriptors = {
    MAX_TIMELINE_ENTRIES: Number.MAX_SAFE_INTEGER,
    PLAYBACK_HEALTH_TEMPLATE: {
        manifest: { status: 'pending', code: null },
        key: { status: 'pending', code: null },
        media: { status: 'pending', reason: null },
        segments: { status: 'pending', errorCount: 0, consecutiveErrors: 0 },
    },
    SLICING_FEATURE_KEYS: ['URL_PATTERN', 'BEHAVIOR_MODEL'],
};

const DiagnosticsFactoryUtils = {
    createTakeoverSnapshot(candidate = null) {
        if (!candidate) {
            return null;
        }
        return {
            sources: Array.from(candidate.sources ?? []),
            sourceName: Array.from(candidate.sources ?? []).join(' + '),
            url: candidate.url ?? null,
            iframeSource: candidate.iframeSource || null,
            iframeOrigin: candidate.iframeOrigin || null,
            viaMediaElement: !!candidate.mediaElement,
            hasInlineM3u8Text: !!candidate.m3u8Text,
            capturedAt: new Date().toISOString(),
        };
    },

    createTakeoverEvidence(candidate = null) {
        const snapshot = this.createTakeoverSnapshot(candidate);
        return {
            sources: snapshot?.sources ?? [],
            url: snapshot?.url ?? null,
            iframeSource: snapshot?.iframeSource ?? null,
            iframeOrigin: snapshot?.iframeOrigin ?? null,
            initialWinner: snapshot,
            finalWinner: snapshot,
            switchHistory: [],
            suppressedCandidates: [],
            switchCount: 0,
        };
    },

    createPlaybackHealth() {
        return {
            manifest: { ...DiagnosticsDescriptors.PLAYBACK_HEALTH_TEMPLATE.manifest },
            key: { ...DiagnosticsDescriptors.PLAYBACK_HEALTH_TEMPLATE.key },
            media: { ...DiagnosticsDescriptors.PLAYBACK_HEALTH_TEMPLATE.media },
            segments: { ...DiagnosticsDescriptors.PLAYBACK_HEALTH_TEMPLATE.segments },
        };
    },

    createSlicingReport() {
        return {
            totalGroups: 0,
            slicedGroups: 0,
            slicedSegments: 0,
            slicedDuration: 0,
            slicedTimeRanges: [],
            activatedEngines: new Set(),
            foundFeatures: new Map(
                DiagnosticsDescriptors.SLICING_FEATURE_KEYS.map((key) => [key, new Set()])
            ),
        };
    },

    annotateTimelineEvent(event, startTime, sequence) {
        const now = new Date();
        return {
            ...event,
            time: now,
            relativeTime: `+${((now - startTime) / 1000).toFixed(3)}s`,
            sequence,
        };
    },
};

class DiagnosticsTool extends BaseModule {
    constructor(context) {
        super(context, 'DiagnosticsTool');
        this.eventTimeline = [];
        this.fatalNetworkErrors =[];
        this.maxLogEntries = DiagnosticsDescriptors.MAX_TIMELINE_ENTRIES;
        this.startTime = new Date();
        this.takeoverEvidence = DiagnosticsFactoryUtils.createTakeoverEvidence();
        this.lastProcessedM3u8 = null;
        this.playbackHealth = {};
        this.slicingReport = {};
        this.logSequence = 0;
        this._lastReportSequence = -1;
        this._cachedReportData = null;
        this.boundLogEvent = (event) => this.logEvent(event);
        this.resetPlaybackHealth();
    }

    init() {
        EventBus.on('LOG_ENTRY', this.boundLogEvent);
    }

    captureTakeoverEvidence(candidate) {
        const snapshot = DiagnosticsFactoryUtils.createTakeoverSnapshot(candidate);
        if (!snapshot) {
            return;
        }
        if (!this.takeoverEvidence?.initialWinner) {
            this.takeoverEvidence = DiagnosticsFactoryUtils.createTakeoverEvidence(candidate);
            return;
        }
        const evidence = this.takeoverEvidence;
        const finalWinner = evidence.finalWinner;
        const sameUrl = (finalWinner?.url || '') === (snapshot.url || '');
        const sameSource = (finalWinner?.sourceName || '') === (snapshot.sourceName || '');
        evidence.sources = snapshot.sources;
        evidence.url = snapshot.url;
        evidence.iframeSource = snapshot.iframeSource;
        evidence.iframeOrigin = snapshot.iframeOrigin;
        if (!sameUrl || !sameSource) {
            evidence.switchHistory = Array.isArray(evidence.switchHistory) ? evidence.switchHistory : [];
            evidence.switchHistory.push({
                from: this._serializeTakeoverSnapshot(finalWinner),
                to: this._serializeTakeoverSnapshot(snapshot),
                switchedAt: new Date().toISOString(),
            });
            evidence.switchCount = evidence.switchHistory.length;
        }
        evidence.finalWinner = snapshot;
    }

    logEvent(event) {
        const timelineEvent = DiagnosticsFactoryUtils.annotateTimelineEvent(
            event,
            this.startTime,
            this.logSequence++
        );
        this.eventTimeline.push(timelineEvent);
        if (timelineEvent.type === 'FATAL_NET_ERROR') {
            this.fatalNetworkErrors.push(timelineEvent);
        }
        this._cachedReportData = null;
    }

    resetPlaybackHealth() {
        this.playbackHealth = DiagnosticsFactoryUtils.createPlaybackHealth();
    }

    resetSlicingReport() {
        this.slicingReport = DiagnosticsFactoryUtils.createSlicingReport();
    }

    _serializeSlicingReport(report = this.slicingReport ?? {}) {
        return {
            totalGroups: report.totalGroups ?? 0,
            slicedGroups: report.slicedGroups ?? 0,
            slicedSegments: report.slicedSegments ?? 0,
            slicedDuration: report.slicedDuration ?? 0,
            slicedTimeRanges: Array.isArray(report.slicedTimeRanges) ? report.slicedTimeRanges.map((range) => ({ ...range })) : [],
            activatedEngines: Array.from(report.activatedEngines ?? []),
            foundFeatures: Object.fromEntries(
                Array.from(report.foundFeatures ?? []).map(([key, value]) => [key, Array.from(value ?? [])])
            ),
        };
    }

    _serializeTimelineEvent(event) {
        const { frame, ...rest } = event || {};
        return {
            ...rest,
            time: event.time instanceof Date ? event.time.toISOString() : event.time,
            details: event.details && typeof event.details === 'object' ? { ...event.details } : null,
        };
    }

    _pickRecentTimelineEvents(limit = null) {
        const events = Array.isArray(this.eventTimeline) ? this.eventTimeline : [];
        const picked = typeof limit === 'number' ? events.slice(-limit) : events;
        const ordered = picked.slice().reverse();
        return this._collapseAdjacentDuplicateLogs(ordered).map((event) => this._serializeTimelineEvent(event));
    }

    _serializeTakeoverSnapshot(snapshot) {
        if (!snapshot) {
            return null;
        }
        return {
            ...snapshot,
            sources: Array.from(snapshot.sources ?? []),
        };
    }

    _serializeTakeoverEvidence() {
        const evidence = this.takeoverEvidence ?? DiagnosticsFactoryUtils.createTakeoverEvidence();
        return {
            ...evidence,
            sources: Array.from(evidence.sources ?? []),
            initialWinner: this._serializeTakeoverSnapshot(evidence.initialWinner),
            finalWinner: this._serializeTakeoverSnapshot(evidence.finalWinner),
            switchHistory: Array.from(evidence.switchHistory ?? []).map((entry) => {
                if (entry && (entry.from || entry.to)) {
                    return {
                        from: this._serializeTakeoverSnapshot(entry.from),
                        to: this._serializeTakeoverSnapshot(entry.to),
                        switchedAt: entry.switchedAt ?? null,
                    };
                }
                return this._serializeTakeoverSnapshot(entry);
            }),
            suppressedCandidates: Array.from(evidence.suppressedCandidates ?? []).map((entry) => this._serializeTakeoverSnapshot(entry)),
            switchCount: evidence.switchCount ?? 0,
        };
    }

    _serializePlaybackHealth() {
        const health = JSON.parse(JSON.stringify(this.playbackHealth ?? {}));
        const playerManager = this.context?.playerManager;
        const formatName = playerManager?.currentVideoFormat?.name ?? '';
        const isM3U8Type = formatName === 'M3U8' || !!playerManager?.lastM3u8Content;
        if (!isM3U8Type) {
            health.manifest = { status: 'not_applicable', code: null, reason: 'normal_file' };
            health.key = { status: 'not_applicable', code: null, reason: 'normal_file' };
            health.segments = {
                status: 'not_applicable',
                errorCount: 0,
                consecutiveErrors: 0,
                reason: 'normal_file',
            };
        }
        return health;
    }

    _collapseAdjacentDuplicateLogs(logs) {
        if (!Array.isArray(logs) || logs.length <= 1) {
            return Array.isArray(logs)
                ? logs.map((log) => (log && typeof log === 'object' && !RefactorCollectionUtils.hasOwn(log, 'repeatCount') ? { ...log, repeatCount: 1 } : log))
            : [];
        }
        const collapsed = [];
        let previous = null;
        let count = 0;
        const flush = () => {
            if (!previous) {
                return;
            }
            if (count > 1) {
                collapsed.push({
                    ...previous,
                    repeatCount: count,
                    message: `${previous.message}（同类×${count}）`,
                });
            } else {
                collapsed.push({
                    ...previous,
                    repeatCount: 1,
                });
            }
        };
        logs.forEach((log) => {
            const isSameAsPrevious =
                  previous &&
                  previous.type === log.type &&
                  previous.message === log.message;
            if (isSameAsPrevious) {
                count += 1;
                return;
            }
            flush();
            previous = log;
            count = 1;
        });
        flush();
        return collapsed;
    }

    _extractTimelineUrl(message = '') {
        if (typeof message !== 'string' || !message) {
            return null;
        }
        const match = message.match(/https?:\/\/\S+/);
        return match ? match[0] : null;
    }

    _createPlaybackSessionBase(lockEvent = null, startHintEvent = null, index = 0) {
        const hintTime = startHintEvent?.time instanceof Date ? startHintEvent.time.toISOString() : (startHintEvent?.time || null);
        const lockTime = lockEvent?.time instanceof Date ? lockEvent.time.toISOString() : (lockEvent?.time || null);
        return {
            sessionId: index + 1,
            startSequence: lockEvent?.sequence ?? startHintEvent?.sequence ?? null,
            startRelativeTime: lockEvent?.relativeTime ?? startHintEvent?.relativeTime ?? null,
            startedAt: lockTime ?? hintTime,
            triggerEvent: startHintEvent ? this._serializeTimelineEvent(startHintEvent) : null,
            lockEvent: lockEvent ? this._serializeTimelineEvent(lockEvent) : null,
            triggerType: startHintEvent?.message?.includes('播放器触发器被点击') ? 'manual_click' : 'auto_or_passive',
            sourceName: null,
            initialSourceName: null,
            finalSourceName: null,
            currentUrl: lockEvent ? this._extractTimelineUrl(lockEvent.message) : null,
            initialUrl: null,
            finalUrl: null,
            urls: [],
            switchCount: 0,
            sessionSwitchHistory: [],
            streamSelection: {
                isMasterPlaylist: false,
                variantCount: 0,
                selectedQualityLabel: null,
                selectedVariantUrl: null,
            },
            keyPrefetch: {
                detectedCount: 0,
                successCount: 0,
                failedCount: 0,
                messages: [],
            },
            health: {
                manifest: 'pending',
                key: 'pending',
                media: 'pending',
                segments: 'pending',
            },
            outcome: 'pending',
            outcomeMessage: null,
            eventRange: {
                startSequence: lockEvent?.sequence ?? startHintEvent?.sequence ?? null,
                endSequence: lockEvent?.sequence ?? startHintEvent?.sequence ?? null,
            },
            eventCount: 0,
            events: [],
        };
    }

    _attachEventToPlaybackSession(session, event) {
        if (!session || !event) {
            return;
        }
        const serialized = this._serializeTimelineEvent(event);
        session.events.push(serialized);
        session.eventCount = session.events.length;
        session.eventRange.endSequence = event.sequence ?? session.eventRange.endSequence;
        const url = this._extractTimelineUrl(event.message);
        if (url) {
            session.currentUrl = url;
            if (!session.initialUrl) {
                session.initialUrl = url;
            }
            session.finalUrl = url;
            if (!session.urls.includes(url)) {
                session.urls.push(url);
            }
        }
        if (typeof event.message === 'string') {
            if (event.message.includes('来源:')) {
                const sourceMatch = event.message.match(/来源:([^。\]]+)/);
                if (sourceMatch?.[1]) {
                    const nextSource = sourceMatch[1].trim();
                    if (!session.initialSourceName) {
                        session.initialSourceName = nextSource;
                    }
                    if (session.finalSourceName && session.finalSourceName !== nextSource) {
                        session.sessionSwitchHistory.push({
                            from: session.finalSourceName,
                            to: nextSource,
                            relativeTime: event.relativeTime ?? null,
                            sequence: event.sequence ?? null,
                        });
                    }
                    session.finalSourceName = nextSource;
                    session.sourceName = nextSource;
                    session.switchCount = session.sessionSwitchHistory.length;
                }
            }
            if (event.message.includes('发现MasterPlaylist')) {
                session.streamSelection.isMasterPlaylist = true;
            } else if (event.message.includes('解析完成,共')) {
                const countMatch = event.message.match(/解析完成,共(\d+)个流/);
                const qualityMatch = event.message.match(/自动选择最高清晰度:([^。]+)/);
                session.streamSelection.variantCount = countMatch ? parseInt(countMatch[1], 10) : session.streamSelection.variantCount;
                session.streamSelection.selectedQualityLabel = qualityMatch?.[1]?.trim() || session.streamSelection.selectedQualityLabel;
            } else if (event.message.includes('M3U8处理完成: 最终URL为') && url) {
                session.streamSelection.selectedVariantUrl = url;
            }
            if (event.message.includes('[Key预取]|🔑|检测到')) {
                const countMatch = event.message.match(/检测到(\d+)个唯一密钥/);
                session.keyPrefetch.detectedCount = countMatch ? parseInt(countMatch[1], 10) : session.keyPrefetch.detectedCount;
                session.keyPrefetch.messages.push(event.message);
            } else if (event.message.includes('[Key预取]|🔑|已预取')) {
                const countMatch = event.message.match(/已预取(\d+)个密钥/);
                session.keyPrefetch.successCount = countMatch ? parseInt(countMatch[1], 10) : session.keyPrefetch.successCount;
                session.keyPrefetch.messages.push(event.message);
                session.health.key = 'success';
            } else if (event.message.includes('[Key预取]|🔑|预取失败')) {
                session.keyPrefetch.failedCount += 1;
                session.keyPrefetch.messages.push(event.message);
                session.health.key = 'error';
            }
            if (event.message.includes('清单解析完成')) {
                session.health.manifest = 'success';
            }
            if (event.message.includes('首个分片下载成功')) {
                session.health.segments = 'success';
            }
            if (event.message.includes('视频元数据就绪') || event.message.includes('自动播放|▶️|已启动')) {
                session.health.media = 'success';
                session.outcome = 'success';
                session.outcomeMessage = event.message;
            } else if (event.message.includes('密钥加载失败')) {
                session.health.key = 'error';
                session.outcome = 'key_error';
                session.outcomeMessage = event.message;
            } else if (event.message.includes('视频元数据加载超时')) {
                session.health.media = 'error';
                session.outcome = 'metadata_timeout';
                session.outcomeMessage = event.message;
            } else if (event.message.includes('网络错误重试上限') || event.message.includes('停止播放')) {
                session.health.segments = 'error';
                session.outcome = 'network_error';
                session.outcomeMessage = event.message;
            }
        }
    }

    _buildPlaybackSessions() {
        const sessions = [];
        const timeline = Array.isArray(this.eventTimeline) ? this.eventTimeline.slice() : [];
        let currentSession = null;
        let pendingTriggerEvent = null;
        const startSession = (lockEvent = null) => {
            currentSession = this._createPlaybackSessionBase(lockEvent, pendingTriggerEvent, sessions.length);
            sessions.push(currentSession);
            pendingTriggerEvent = null;
        };

        timeline.forEach((event) => {
            const message = event?.message || '';
            const isManualTrigger =
                  message.includes('播放器触发器被点击，系统已重置，准备捕获视频流') ||
                  message.includes('用户换集意图触发') ||
                  message.includes('检测到重播意图');
            if (isManualTrigger) {
                pendingTriggerEvent = event;
                return;
            }
            const isLockEvent = message.includes('决策锁定:[');
            if (isLockEvent) {
                if (!currentSession || pendingTriggerEvent) {
                    startSession(event);
                }
            }
            if (!currentSession && (isLockEvent || message.includes('指令已接收，准备渲染视频内容。'))) {
                startSession(isLockEvent ? event : null);
            }
            if (currentSession) {
                this._attachEventToPlaybackSession(currentSession, event);
            }
        });

        return sessions.map((session) => ({
            ...session,
            finalUrl: session.finalUrl || session.currentUrl || null,
            sourceName: session.finalSourceName || session.initialSourceName || session.sourceName || null,
        }));
    }

    _normalizeSessionHealth(session) {
        const health = session?.health ? { ...session.health } : {
            manifest: 'pending',
            key: 'pending',
            media: 'pending',
            segments: 'pending',
        };
        const playerManager = this.context?.playerManager;
        const formatName = playerManager?.currentVideoFormat?.name ?? '';
        const sessionUrls = Array.isArray(session?.urls) ? session.urls : [];
        const isM3U8Type = formatName === 'M3U8' || sessionUrls.some((url) => UrlUtils.isM3U8(url)) || !!playerManager?.lastM3u8Content;
        if (!isM3U8Type) {
            return {
                manifest: 'not_applicable',
                key: 'not_applicable',
                media: health.media,
                segments: 'not_applicable',
            };
        }
        return health;
    }

    _summarizePlaybackSession(session) {
        if (!session) {
            return null;
        }
        return {
            sessionId: session.sessionId,
            startSequence: session.startSequence,
            startRelativeTime: session.startRelativeTime,
            startedAt: session.startedAt,
            triggerType: session.triggerType,
            sourceName: session.sourceName,
            initialSourceName: session.initialSourceName,
            finalSourceName: session.finalSourceName,
            currentUrl: session.currentUrl,
            initialUrl: session.initialUrl,
            urls: Array.isArray(session.urls) ? session.urls.slice() : [],
            keyPrefetch: {
                detectedCount: session.keyPrefetch?.detectedCount ?? 0,
                successCount: session.keyPrefetch?.successCount ?? 0,
                failedCount: session.keyPrefetch?.failedCount ?? 0,
                messages: Array.isArray(session.keyPrefetch?.messages) ? session.keyPrefetch.messages.slice() : [],
            },
            health: this._normalizeSessionHealth(session),
            streamSelection: session.streamSelection ? { ...session.streamSelection } : null,
            switchCount: session.switchCount ?? 0,
            sessionSwitchHistory: Array.isArray(session.sessionSwitchHistory) ? session.sessionSwitchHistory.map((entry) => ({ ...entry })) : [],
            outcome: session.outcome,
            outcomeMessage: session.outcomeMessage,
            eventRange: session.eventRange ? { ...session.eventRange } : null,
            eventCount: session.eventCount ?? 0,
            finalUrl: session.finalUrl,
        };
    }

    getStructuredReportData() {
        if (this._lastReportSequence === this.logSequence && this._cachedReportData) {
            return this._cachedReportData;
        }
        this._cachedReportData = {
            scriptName: CONSTANTS.SCRIPT_NAME,
            scriptVersion: CONSTANTS.SCRIPT_VERSION,
            pageUrl: window.location.href,
            startedAt: this.startTime.toISOString(),
            totalEventCount: this.eventTimeline.length,
            totalFatalNetworkErrors: this.fatalNetworkErrors.length,
            takeoverEvidence: this._serializeTakeoverEvidence(),
            playbackHealth: this._serializePlaybackHealth(),
            slicingReport: this._serializeSlicingReport(),
            fatalNetworkErrors: this.fatalNetworkErrors.map((event) => this._serializeTimelineEvent(event)),
            playSessions: this._buildPlaybackSessions().map((session) => this._summarizePlaybackSession(session)).filter(Boolean).reverse(),
            eventTimeline: this._pickRecentTimelineEvents(),
        };
        this._lastReportSequence = this.logSequence;
        return this._cachedReportData;
    }

    _collectM3u8PathStats(lines, baseUrl) {
        const pathStats = new Map();
        for (const line of lines) {
            const trimmed = line.trim();
            if (!this._isM3u8PathStatLine(trimmed)) {
                continue;
            }
            this._recordM3u8PathStat(pathStats, trimmed, baseUrl);
        }
        return pathStats;
    }

    _isM3u8PathStatLine(trimmed) {
        return (trimmed.endsWith('.ts') || trimmed.includes('.jpeg')) && !trimmed.startsWith('#');
    }

    _recordM3u8PathStat(pathStats, trimmed, baseUrl) {
        try {
            const url = new URL(trimmed, baseUrl);
            const path = url.pathname;
            const lastSlash = path.lastIndexOf('/');
            const basePath = lastSlash > -1 ? path.substring(0, lastSlash + 1) : '/';
            pathStats.set(basePath, (pathStats.get(basePath) || 0) + 1);
        } catch (e) {
            console.debug('Failed to parse URL in M3U8 pattern analysis:', e);
        }
    }

    _collectDistinctPathSuggestions(sortedPaths) {
        const [mainPath, mainPathCount] = sortedPaths[0];
        const suggestions = new Set();
        for (let i = 1; i < sortedPaths.length; i++) {
            const [suspectPath, suspectPathCount] = sortedPaths[i];
            if (suspectPathCount >= mainPathCount / 2) {
                continue;
            }
            const keyword = this._extractDistinctPathKeyword(mainPath, suspectPath);
            if (!keyword) {
                continue;
            }
            suggestions.add(keyword);
            this.log(`基于路径独特性发现高嫌疑关键词: ${keyword}`, CONSTANTS.LOG_TYPES.CORE_SLICE);
        }
        return suggestions;
    }

    _extractDistinctPathKeyword(mainPath, suspectPath) {
        const adParts = suspectPath.split('/').filter(Boolean);
        const baselineParts = mainPath.split('/').filter(Boolean);
        for (let j = 0; j < Math.min(adParts.length, baselineParts.length); j++) {
            if (adParts[j] === baselineParts[j]) {
                continue;
            }
            if (/^\d+$/.test(adParts[j]) || /^(1080|720|480|360)p?$/i.test(adParts[j])) {
                continue;
            }
            return adParts[j];
        }
        return null;
    }

    _commitUrlPatternSuggestions(suggestions) {
        if (suggestions.size === 0) {
            return null;
        }
        this.slicingReport.activatedEngines.add('URL_PATTERN');
        suggestions.forEach((s) => this.slicingReport.foundFeatures.get('URL_PATTERN').add(s));
        return Array.from(suggestions);
    }

    analyzeUrlPatterns(m3u8Content, baseUrl) {
        if (!m3u8Content || typeof m3u8Content !== 'string' || !baseUrl) {
            return null;
        }
        const pathStats = this._collectM3u8PathStats(m3u8Content.split('\n'), baseUrl);
        if (pathStats.size <= 1) {
            this.log(`所有分片路径统一，无法通过路径独特性分析。`, CONSTANTS.LOG_TYPES.CORE_SLICE);
            return null;
        }
        const sortedPaths = Array.from(pathStats.entries()).sort((a, b) => b[1] - a[1]);
        const suggestions = this._collectDistinctPathSuggestions(sortedPaths);
        return this._commitUrlPatternSuggestions(suggestions);
    }

    _buildDeveloperReportHeader() {
        const nl = '\n';
        let reportHeader = `大魔王视频助手 开发者日志 (版本: ${CONSTANTS.SCRIPT_VERSION})${nl}页面URL: ${window.location.href}${nl}`;
        if (this.fatalNetworkErrors.length > 0) {
            reportHeader += `--- 深度网络故障分析 ---${nl}`;
            this.fatalNetworkErrors.forEach((err, i) => {
                reportHeader += `[错误${i + 1}]@${err.relativeTime}:${err.message}${nl}`;
            });
        }
        return reportHeader + `--- 统一事件时间轴 ---${nl}`;
    }

    _escapeDeveloperReportHtml(s) {
        return s.replace(/</g, '&lt;').replace(/>/g, '&gt;');
    }

    _sortDeveloperTimelineLogs() {
        const sortedLogs = [...this.eventTimeline].sort((a, b) => b.time - a.time || b.sequence - a.sequence);
        return this._collapseAdjacentDuplicateLogs(sortedLogs);
    }

    _createCollapsedNoiseLogBlock(collapsedLines) {
        return `<div class="log-collapsible"><strong>[+] 折叠了 ${collapsedLines.length} 条 "广告扫描/过滤" 噪音日志... (点击展开)</strong></div><div class="log-collapsed-content" style="display: none;">${collapsedLines.join('')}</div>`;
    }

    _createCollapsedLongLogBlock(currentLineHtml) {
        return `<div class="log-collapsible"><strong>[+] 折叠了过长的硬编码数据... (点击展开)</strong></div><div class="log-collapsed-content" style="display: none;">${currentLineHtml}</div>`;
    }

    _isCollapsibleNoiseLog(log) {
        const collapsePattern = /(嵌入式扫描器发现广告链接，已跳过|\[路径特征分析\] URL判定为广告)/;
        return (
            (log.type === CONSTANTS.LOG_TYPES.SCAN_WARN && collapsePattern.test(log.message)) ||
            log.type === CONSTANTS.LOG_TYPES.CORE_SLICE
        );
    }

    _shouldCollapseLongDeveloperLog(log) {
        return (
            log.message.length > 500 && (log.message.includes('base64,') || log.message.includes('M3U8处理完成'))
        );
    }

    _formatDeveloperLogLine(log) {
        const formattedType = log.type.replace(' ', ' [') + ']';
        const detailText = log.details ? ` | ${JSON.stringify(log.details)}` : '';
        const logMessage = `[${log.relativeTime}] ${formattedType} ${log.message}${detailText}`;
        return `<div class="log-entry">${this._escapeDeveloperReportHtml(logMessage)}</div>`;
    }

    _formatDeveloperLogLineText(log) {
        const formattedType = log.type.replace(' ', ' [') + ']';
        const detailText = log.details ? ` | ${JSON.stringify(log.details)}` : '';
        return `[${log.relativeTime}] ${formattedType} ${log.message}${detailText}`;
    }

    generateDeveloperReport() {
        const reportHeader = this._buildDeveloperReportHeader();
        const sortedLogs = this._sortDeveloperTimelineLogs();
        const lines = sortedLogs.map((log) => this._formatDeveloperLogLine(log));
        return `<div class="log-entry">${this._escapeDeveloperReportHtml(reportHeader).replace(/\n/g, '<br>')}</div>${lines.join('')}`;
    }

    generateDeveloperReportText() {
        const reportHeader = this._buildDeveloperReportHeader();
        const sortedLogs = this._sortDeveloperTimelineLogs();
        const lines = [reportHeader.trimEnd()];
        sortedLogs.forEach((log) => {
            lines.push(this._formatDeveloperLogLineText(log));
        });
        return lines.join('\n');
    }

    _createDeveloperReportState(reportHeader) {

        return {
            htmlOutput: `<div class="log-entry">${this._escapeDeveloperReportHtml(reportHeader).replace(/\n/g, '<br>')}</div>`,
            collapsedLines: [],
            isCollapsing: false,
        };
    }

    _appendDeveloperReportLog(reportState, log) {
        const currentLineHtml = this._formatDeveloperLogLine(log);
        if (this._isCollapsibleNoiseLog(log)) {
            this._appendCollapsedDeveloperReportLine(reportState, currentLineHtml);
            return;
        }
        this._flushDeveloperReportCollapseIfNeeded(reportState);
        reportState.htmlOutput += this._shouldCollapseLongDeveloperLog(log)
            ? this._createCollapsedLongLogBlock(currentLineHtml)
        : currentLineHtml;
    }

    _appendCollapsedDeveloperReportLine(reportState, currentLineHtml) {
        reportState.isCollapsing = true;
        reportState.collapsedLines.push(currentLineHtml);
    }

    _flushDeveloperReportCollapseIfNeeded(reportState) {
        if (!reportState.isCollapsing) {
            return;
        }
        this._flushCollapsedDeveloperReportLines(reportState);
        reportState.isCollapsing = false;
    }

    _flushCollapsedDeveloperReportLines(reportState) {
        if (reportState.collapsedLines.length === 0) {
            return;
        }
        reportState.htmlOutput += this._createCollapsedNoiseLogBlock(reportState.collapsedLines);
        reportState.collapsedLines = [];
    }
}

class FrameCommunicator extends BaseModule {
    constructor(context) {
        super(context, 'FrameCommunicator');
        this.boundHandleMessage = this.handleMessage.bind(this);
        this.pendingCrossFetches = new Map();
        this.crossFetchIframes = new Map();
        this._iframeResolutionCache = {
            stamp: 0,
            all: [],
            visible: [],
            windowMap: new WeakMap(),
        };
        this._commandCooldownMap = new WeakMap();
        this.dispatchMap = {
            [CONSTANTS.MESSAGE_TYPES.IFRAME_TRIGGER_CLICK]: this._handleTriggerClick,
            DMZ_FALLBACK_SANDBOX_V1: this._handleFallbackSandbox,
            DMZ_FORCE_SLEEP: this._handleForceSleep,
            [CONSTANTS.MESSAGE_TYPES.RAW_SIGNAL_FORWARDED]: this._handleRawSignal,
            [CONSTANTS.MESSAGE_TYPES.QUERY_IS_MAIN_PLAYER]: this._handleQueryMainPlayer,
            [CONSTANTS.MESSAGE_TYPES.ACTION_LOG_FORWARDED]: this._handleLogForward,
            [CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY]: this._handleActivateAutoplay,
            [CONSTANTS.MESSAGE_TYPES.NEUTRALIZE_COMMAND]: this._handleNeutralize,
            [CONSTANTS.MESSAGE_TYPES.RESTORE_COMMAND]: this._handleRestore,
            [CONSTANTS.MESSAGE_TYPES.FORCE_PAUSE_ALL]: this._handleForcePause,
            [CONSTANTS.MESSAGE_TYPES.M3U8_COMMAND]: this._handleM3u8Command,
            [CONSTANTS.MESSAGE_TYPES.SANDBOX_URL_FOUND]: this._handleSandboxUrlFound,
            [CONSTANTS.MESSAGE_TYPES.CROSS_FETCH_REQUEST]: this._handleCrossFetchRequest,
            [CONSTANTS.MESSAGE_TYPES.CROSS_FETCH_RESPONSE]: this._handleCrossFetchResponse,
            [CONSTANTS.MESSAGE_TYPES.I_AM_BLOCKED_BY_AD]: this._handleBlockedByAd,
        };
    }

    _handleBlockedByAd(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            this.log(`[信使] 收到士兵被阻断的反馈，立即启动沙箱...`, CONSTANTS.LOG_TYPES.COMM);
            this.context.coreLogic.sandboxManager.reload(true);
        }
    }

    _handleCrossFetchResponse(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            const pending = this.pendingCrossFetches.get(data.requestId);
            if (pending) {
                if (data.error) {
                    pending.reject(new Error(data.error));
                } else {
                    pending.resolve(data.text);
                }
                this.pendingCrossFetches.delete(data.requestId);
            }
        }
    }

    async _handleCrossFetchRequest(data, event) {
        try {
            const response = await fetch(data.url);
            if (!response.ok) {
                throw new Error(`Status ${response.status}`);
            }
            const text = await response.text();
            event.source.postMessage(
                {
                    type: CONSTANTS.MESSAGE_TYPES.CROSS_FETCH_RESPONSE,
                    requestId: data.requestId,
                    text: text,
                },
                event.origin
            );
        } catch (err) {
            event.source.postMessage(
                {
                    type: CONSTANTS.MESSAGE_TYPES.CROSS_FETCH_RESPONSE,
                    requestId: data.requestId,
                    error: err.message,
                },
                event.origin
            );
        }
    }

    requestCrossFrameFetch(url) {
        return new Promise((resolve, reject) => {
            const requestId = Date.now() + Math.random().toString();
            this.pendingCrossFetches.set(requestId, { resolve, reject });
            const origin = new URL(url).origin;
            let iframe = this.crossFetchIframes.get(origin);

            const sendMsg = () => {
                if (iframe.contentWindow) {
                    iframe.contentWindow.postMessage(
                        {
                            type: CONSTANTS.MESSAGE_TYPES.CROSS_FETCH_REQUEST,
                            url: url,
                            requestId: requestId,
                        },
                        '*'
                    );
                }
            };

            if (!iframe) {
                iframe = document.createElement('iframe');
                iframe.style.display = 'none';
                iframe.src = origin + '/';
                document.body.appendChild(iframe);
                this.crossFetchIframes.set(origin, iframe);
                iframe.onload = sendMsg;
                iframe.onerror = () => reject(new Error('Iframe load error'));
            } else {
                sendMsg();
            }

            setTimeout(() => {
                if (this.pendingCrossFetches.has(requestId)) {
                    this.pendingCrossFetches.delete(requestId);
                    reject(new Error('Cross frame fetch timeout'));
                }
            }, 3500);
        });
    }

    _handleSandboxUrlFound(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            this.log(`[沙箱信使] 收到沙箱成功解析的底层播放地址，移交审查...`, CONSTANTS.LOG_TYPES.COMM);
            this.context.coreLogic.addTakeoverCandidate(data.candidateInfo);
        }
    }

    _handleM3u8Command(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            this.log(`接收到子框架加工完成的视频流，准备顶层渲染...`, CONSTANTS.LOG_TYPES.COMM);
            this.context.coreLogic.currentRequestId++;
            const videoData =
                  data.action === 'PLAY_M3U8'
            ? {
                original: data.originalContent,
                processed: data.content,
                finalUrl: data.finalUrl,
            }
            : data.content;
            if (data.videoFormat) {
                this.context.playerManager.currentVideoFormat = data.videoFormat;
            }
            if (data.playbackHealth) {
                this.context.diagnosticsTool.playbackHealth = data.playbackHealth;
            }
            if (data.slicingReport) {
                this.context.diagnosticsTool.slicingReport = data.slicingReport;
                if (this.context.unifiedPanelManager?.hostElement?.classList?.contains(CONSTANTS.CLASSES.VISIBLE)) {
                    requestAnimationFrame(() => {
                        this.context.infoPanelManager.update();
                        this.context.infoPanelManager.renderDeveloperLog();
                        setTimeout(() => this.context.infoPanelManager.update(), 80);
                        setTimeout(() => this.context.infoPanelManager.update(), 400);
                    });
                }
            }
            this.context.coreLogic.lastSuccessfulUrl = data.finalUrl;
            if (data.finalUrl && !data.finalUrl.startsWith('blob:')) {
                const finalKey = this.context.coreLogic._getNormalizationKey(data.finalUrl);
                if (finalKey) {
                    this.context.coreLogic.globalSeenVideoUrls.add(finalKey);
                    const currentPage = window.location.href.split('#')[0];
                    if (!this.context.coreLogic.pageVideoAssociations.has(currentPage)) {
                        this.context.coreLogic.pageVideoAssociations.set(currentPage, new Set());
                    }
                    this.context.coreLogic.pageVideoAssociations.get(currentPage).add(finalKey);
                }
            }
            this.context.coreLogic.decisionInProgress = true;
            this.context.playerManager.play(videoData);
        }
    }

    init() {
        window.addEventListener('message', this.boundHandleMessage);
        EventBus.on('LOG_ENTRY', (logEntry) => {
            const targetTypes = [
                CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE,
                CONSTANTS.LOG_TYPES.SCAN,
                CONSTANTS.LOG_TYPES.SCAN_WARN,
                CONSTANTS.LOG_TYPES.CORE_IFRAME,
                CONSTANTS.LOG_TYPES.CORE_EXEC,
                CONSTANTS.LOG_TYPES.CORE,
                CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT,
                CONSTANTS.LOG_TYPES.TAKEOVER_FAIL,
                CONSTANTS.LOG_TYPES.WARN,
                CONSTANTS.LOG_TYPES.ERROR,
            ];
            if (!CONSTANTS.IS_TOP_FRAME && targetTypes.includes(logEntry.type)) {
                this.postToTopFrame({
                    type: CONSTANTS.MESSAGE_TYPES.ACTION_LOG_FORWARDED,
                    logEntry: { type: logEntry.type, message: logEntry.message },
                });
            }
        });
    }

    handleMessage(event) {
        const data = event.data;
        if (!data || !data.type) {
            return;
        }
        const handler = this.dispatchMap[data.type];
        if (handler) {
            handler.call(this, data, event);
        }
    }

    _getCachedIframeResolution(forceRefresh = false) {
        const now = performance.now();
        if (!forceRefresh && now - this._iframeResolutionCache.stamp <= 800) {
            return this._iframeResolutionCache;
        }
        const all = Array.from(document.querySelectorAll('iframe'));
        const visible = [];
        const windowMap = new WeakMap();
        all.forEach((frame) => {
            if (frame.contentWindow) {
                windowMap.set(frame.contentWindow, frame);
            }
            if (frame.offsetWidth > 50 && frame.offsetHeight > 50 && !this._isSandboxStyleFrame(frame)) {
                visible.push(frame);
            }
        });
        this._iframeResolutionCache = {
            stamp: now,
            all,
            visible,
            windowMap,
        };
        return this._iframeResolutionCache;
    }

    _postFrameCommandThrottled(targetWindow, origin, type, windowMs = 700) {
        if (!targetWindow) {
            return;
        }
        const now = Date.now();
        const cooldowns = this._commandCooldownMap.get(targetWindow) || {};
        const lastSentAt = Number(cooldowns[type] || 0);
        if (now - lastSentAt < windowMs) {
            return;
        }
        cooldowns[type] = now;
        this._commandCooldownMap.set(targetWindow, cooldowns);
        try {
            targetWindow.postMessage({ type }, origin);
        } catch (e) {}
    }

    _handleTriggerClick(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            this.context.coreLogic.handleRemoteTriggerClick();
        } else {
            this.context.coreLogic.handleRemoteTriggerClick();
        }
    }

    _handleFallbackSandbox() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            this.log('收到顶层回退指令，执行本地沙箱重载...', CONSTANTS.LOG_TYPES.CORE_EXEC);
            this.context.coreLogic.sandboxManager.reload();
        }
    }

    _handleForceSleep() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            this.log('收到顶层休眠指令，停止所有活动。', CONSTANTS.LOG_TYPES.LIFECYCLE);
            this.context.coreLogic.restorePageToOriginalState();
        }
    }

    _handleRawSignal(data, event) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        if (this.context.coreLogic.isSystemHalted || this.context.coreLogic.isRestoreInProgress) {
            this._postRestoreCommandToFrame(event);
            return;
        }

        if (this.context.playerManager.isPlayerActiveOrInitializing || this.context.coreLogic.decisionInProgress) {
            this._postFrameCommandThrottled(
                event.source,
                event.origin,
                CONSTANTS.MESSAGE_TYPES.FORCE_PAUSE_ALL,
                700
            );
        }

        const candidate = data.payload;
        const sourceFrame = this._resolveSignalSourceFrame(event.source);
        if (sourceFrame) {
            if (candidate.survey && candidate.survey.videoSize) {
                sourceFrame.dataset.dmzVideoWidth = candidate.survey.videoSize.w;
                sourceFrame.dataset.dmzVideoHeight = candidate.survey.videoSize.h;
            }
            this.context.coreLogic.overlayManager.attachIframeTrigger(sourceFrame, event.source);
        }
        const simplifiedOrigin = event.origin
        .replace(/^https?:\/\/(?:www\.)?/, '')
        .split('/')[0]
        .split('.')
        .slice(-2)
        .join('.');
        this.log(`收到|🛰|[iFrame信使@${simplifiedOrigin}]的新情报，正在提交审查...`, CONSTANTS.LOG_TYPES.CORE);
        if (sourceFrame) {
            const now = Date.now();
            sourceFrame.dmzMediaEvidence = Math.max(Number(sourceFrame.dmzMediaEvidence || 0), 2);
            sourceFrame.dmzCooldownUntil = now + 8000;
            sourceFrame.dmzSettledUntil = now + 10000;
        }
        this.context.coreLogic.addTakeoverCandidate({
            ...candidate,
            sourceName: `${CONSTANTS.TAKEOVER_SOURCES.CROSS_FRAME} (${candidate.sourceName})`,
            iframeSource: event.source,
            iframeOrigin: event.origin,
        });
    }

    _postRestoreCommandToFrame(event) {
        try {
            event.source.postMessage({ type: CONSTANTS.MESSAGE_TYPES.RESTORE_COMMAND }, event.origin);
        } catch (e) {
            console.debug('Failed to post restore command:', e);
        }
    }

    _getIframePromotionKey(frame, origin = '') {
        try {
            const src = String(frame?.src || origin || '').toLowerCase();
            const host = src ? new URL(src, location.href).hostname : String(origin || '').toLowerCase();
            const rect = frame?.getBoundingClientRect?.() || {
                width: frame?.offsetWidth || 0,
                height: frame?.offsetHeight || 0,
            };
            return `${host}|${Math.round(rect.width || 0)}x${Math.round(rect.height || 0)}`;
        } catch (e) {
            return String(origin || frame?.src || 'unknown');
        }
    }

    _shouldThrottlePromotion(frame, origin = '', windowMs = 1600) {
        if (!frame) {
            return false;
        }
        const now = Date.now();
        const key = this._getIframePromotionKey(frame, origin);
        const lastKey = String(frame.dmzLastPromotionKey || '');
        const lastAt = Number(frame.dmzLastPromotionAt || 0);
        if (lastKey === key && lastAt && now - lastAt < windowMs) {
            return true;
        }
        frame.dmzLastPromotionKey = key;
        frame.dmzLastPromotionAt = now;
        return false;
    }

    _logCommanderLockOnce(frame, origin, score, windowMs = 3200) {
        const now = Date.now();
        if (frame) {
            const key = this._getIframePromotionKey(frame, origin);
            if (
                String(frame.dmzLastCommanderLogKey || '') === key &&
                Number(frame.dmzLastCommanderLogAt || 0) &&
                now - Number(frame.dmzLastCommanderLogAt || 0) < windowMs
            ) {
                return false;
            }
            frame.dmzLastCommanderLogKey = key;
            frame.dmzLastCommanderLogAt = now;
        }
        this.log(`指挥官：锁定目标[${origin}] (得分:${score})，执行激活！`, CONSTANTS.LOG_TYPES.CORE_IFRAME);
        return true;
    }

    _shouldSuppressForwardedFrameLog(originKey, message, windowMs = 4000) {
        if (!originKey || !message) {
            return false;
        }
        if (!this._frameLogDedupMap) {
            this._frameLogDedupMap = new Map();
        }
        const normalized = String(message).replace(/\s+/g, ' ').trim();
        const key = `${originKey}|${normalized}`;
        const now = Date.now();
        const last = Number(this._frameLogDedupMap.get(key) || 0);
        if (last && now - last < windowMs) {
            return true;
        }
        this._frameLogDedupMap.set(key, now);
        return false;
    }

    _logIframeRedirectOnce(frame, origin = '', windowMs = 8000) {
        if (!frame) {
            return;
        }
        if (Number(frame.dmzSettledUntil || 0) > Date.now()) {
            return;
        }
        const now = Date.now();
        const key = this._getIframePromotionKey(frame, origin);
        if (
            String(frame.dmzLastRedirectLogKey || '') === key &&
            Number(frame.dmzLastRedirectLogAt || 0) &&
            now - Number(frame.dmzLastRedirectLogAt || 0) < windowMs
        ) {
            return;
        }
        frame.dmzLastRedirectLogKey = key;
        frame.dmzLastRedirectLogAt = now;
        this.log(
            `[修正] 无法精确匹配源或信号来自沙箱，触发器已重定向至高置信度外层iFrame。`,
            CONSTANTS.LOG_TYPES.UI
        );
    }

    _isSourceInSandbox(frameSource) {
        const sandboxIframe = this.context.coreLogic.sandboxManager.iframeSandbox;
        if (!sandboxIframe || !sandboxIframe.contentWindow) {
            return false;
        }
        let found = false;
        const checkTree = (win) => {
            if (found) {
                return;
            }
            if (win === frameSource) {
                found = true;
                return;
            }
            try {
                for (let i = 0; i < win.frames.length; i++) {
                    checkTree(win.frames[i]);
                }
            } catch (e) {}
        };
        checkTree(sandboxIframe.contentWindow);
        return found;
    }

    _resolveSignalSourceFrame(frameSource) {
        if (this._isSourceInSandbox(frameSource)) {
            return null;
        }
        const iframeSnapshot = this._getCachedIframeResolution();
        let sourceFrame = iframeSnapshot.windowMap.get(frameSource) || null;
        if (sourceFrame && this._isSandboxStyleFrame(sourceFrame)) {
            return null;
        }
        if (sourceFrame) {
            return sourceFrame;
        }
        const visibleIframes = iframeSnapshot.visible;
        if (visibleIframes.length === 0) {
            return null;
        }
        const ranked = visibleIframes
        .map((frame) => ({
            frame,
            score: this._getSignalFrameScore(frame),
            profile: this._getFrameContextProfile(frame, frame?.src || ''),
        }))
        .sort(
            (a, b) =>
            b.score - a.score ||
            b.frame.offsetWidth * b.frame.offsetHeight - a.frame.offsetWidth * a.frame.offsetHeight
        );
        const best = ranked[0];
        if (!best) {
            return null;
        }
        if (!this._canPromoteIframeToTarget(best.frame, best.frame?.src || '', 'resolve-signal')) {
            return null;
        }
        this._logIframeRedirectOnce(best.frame, best.frame?.src || '');
        return best.frame;
    }

    _isSandboxStyleFrame(frame) {
        return (
            frame.id === 'dmz_sandbox_frame' ||
            frame.style.opacity === '0.001' ||
            frame.style.opacity === '0.01' ||
            frame.style.width === '1px'
        );
    }

    _isDefinitelyNonVideoIframe(frame, origin = '') {
        if (!frame) {
            return true;
        }
        if (this._isSandboxStyleFrame(frame)) {
            return true;
        }
        const src = String(frame?.src || '').toLowerCase();
        const attrStr = (
            String(frame?.id || '') +
            ' ' +
            String(frame?.className || '') +
            ' ' +
            String(frame?.getAttribute?.('title') || '') +
            ' ' +
            String(frame?.getAttribute?.('name') || '') +
            ' ' +
            String(frame?.getAttribute?.('aria-label') || '')
        ).toLowerCase();
        const ancestorNodes = [];
        let cur = frame?.parentElement || null;
        for (let i = 0; cur && i < 5; i++, cur = cur.parentElement) {
            ancestorNodes.push((cur.id || '') + ' ' + (cur.className || ''));
        }
        const ancestorText = ancestorNodes.join(' ').toLowerCase();
        const semanticText = `${src} ${origin} ${attrStr} ${ancestorText}`;
        const hardNegative =
              /(comment|comments|reply|review|disqus|discussion|forum|community|social|share|sharing|login|signin|signup|register|account|oauth|auth|captcha|recaptcha|newsletter|subscribe|widget|toolbar|floating|popup|banner|ads?|advert|tracker|analytics|cookie|consent)/i;
        const hardPositive =
              /(play|player|video|vod|watch|stream|m3u8|mp4|hls|dash|media|embed|source|jwplayer|dplayer|videojs|plyr)/i;
        const hardNegativeHost =
              /(^|[/.:-])(disqus|accounts\.google|googleapis|gstatic|recaptcha|facebook|instagram|twitter|x\.com|tiktok|reddit|pinterest|addthis|sharethis|taboola|outbrain|doubleclick|googlesyndication|criteo|hotjar|intercom|zendesk|onesignal)([/.:-]|$)/i;
        if (hardNegativeHost.test(semanticText)) {
            return true;
        }
        if (hardNegative.test(semanticText) && !hardPositive.test(semanticText)) {
            return true;
        }
        const rect = frame?.getBoundingClientRect?.() || {
            left: 0,
            top: 0,
            width: frame?.offsetWidth || 0,
            height: frame?.offsetHeight || 0,
        };
        const width = Number(rect.width || frame?.offsetWidth || 0);
        const height = Number(rect.height || frame?.offsetHeight || 0);
        const viewportW = Math.max(window.innerWidth || document.documentElement.clientWidth || 0, 1);
        const viewportH = Math.max(window.innerHeight || document.documentElement.clientHeight || 0, 1);
        const centerX = (Number(rect.left || 0) + width / 2) / viewportW;
        const centerY = (Number(rect.top || 0) + height / 2) / viewportH;
        const farFromMainViewport = centerY > 0.82 || centerY < 0.08 || centerX < 0.1 || centerX > 0.9;
        const tinyOrPeripheral = (width < 260 || height < 160 || width * height < 90000) && farFromMainViewport;
        if (
            hardNegative.test(semanticText) &&
            (farFromMainViewport || tinyOrPeripheral) &&
            !frame?.dmzMediaEvidence
        ) {
            return true;
        }
        if (
            !frame?.dmzMediaEvidence &&
            Number(frame?.dmzActivationMisses || 0) >= 1 &&
            !hardPositive.test(semanticText)
        ) {
            return true;
        }
        if (frame?.dmzHardRejected) {
            return true;
        }
        return false;
    }

    _canPromoteIframeToTarget(frame, origin = '', reason = '') {
        if (!frame) {
            return false;
        }
        if (this._isDefinitelyNonVideoIframe(frame, origin)) {
            return false;
        }
        if (frame?.dmzHardRejected && !frame?.dmzMediaEvidence) {
            return false;
        }
        const score = this._scoreFrameContext(frame, origin);
        const profile = this._getFrameContextProfile(frame, origin);
        const hasMediaishContext =
              /(play|player|video|vod|watch|stream|episode|media|m3u8|mp4|hls|source|embed)/i.test(
                  profile.semanticText
              );
        const hasDirectPath =
              /(^|\/)(play|player|embed|watch)(\/|$)|\.m3u8(?:[?#]|$)|master\.m3u8(?:[?#]|$)|index\.m3u8(?:[?#]|$)/i.test(
                  profile.src
              );
        const hasEvidence = Number(frame?.dmzMediaEvidence || 0) > 0;
        if (hasEvidence) {
            return true;
        }
        if (Number(frame?.dmzActivationMisses || 0) >= 1 && !hasDirectPath) {
            return false;
        }
        if (!hasMediaishContext && !hasDirectPath) {
            return false;
        }
        if (score < 60 && !hasDirectPath) {
            return false;
        }
        return true;
    }

    _tokenizeHostLike(value) {
        return (
            String(value || '')
            .toLowerCase()
            .match(/[a-z0-9]{3,}/g) || []
        );
    }

    _getFrameContextProfile(frame, origin = '') {
        const src = String(frame?.src || '').toLowerCase();
        const rect = frame?.getBoundingClientRect?.() || {
            width: frame?.offsetWidth || 0,
            height: frame?.offsetHeight || 0,
            left: 0,
            top: 0,
        };
        const width = Math.round(rect.width || frame?.offsetWidth || 0);
        const height = Math.round(rect.height || frame?.offsetHeight || 0);
        const area = width * height;
        const ratio = height > 0 ? width / height : 0;
        const attrStr = (
            String(frame?.id || '') +
            ' ' +
            String(frame?.className || '') +
            ' ' +
            String(frame?.getAttribute?.('title') || '') +
            ' ' +
            String(frame?.getAttribute?.('name') || '')
        ).toLowerCase();
        const allowStr = (
            String(frame?.getAttribute?.('allow') || '') +
            ' ' +
            String(frame?.getAttribute?.('sandbox') || '')
        ).toLowerCase();
        const parentText = frame?.parentElement
        ? (frame.parentElement.id || '') + ' ' + (frame.parentElement.className || '')
        : '';
        const ancestorText =
              Array.from(frame?.closest ? [frame.closest('[class],[id]')] : [])
        .filter(Boolean)
        .map((el) => (el.id || '') + ' ' + (el.className || ''))
        .join(' ')
        .toLowerCase() +
              ' ' +
              String(parentText || '').toLowerCase();
        const semanticText = `${src} ${origin} ${attrStr} ${allowStr} ${ancestorText}`;
        const viewportW = Math.max(window.innerWidth || document.documentElement.clientWidth || 0, 1);
        const viewportH = Math.max(window.innerHeight || document.documentElement.clientHeight || 0, 1);
        const centerX = (rect.left || 0) + width / 2;
        const centerY = (rect.top || 0) + height / 2;
        const centerBias =
              1 -
              Math.min(
                  1.4,
                  Math.abs(centerX - viewportW / 2) / viewportW + Math.abs(centerY - viewportH / 2) / viewportH
              );
        let hostAffinity = 0;
        try {
            const pageHost = location.hostname.replace(/^www\./, '');
            const frameHost = new URL(src, location.href).hostname.replace(/^www\./, '');
            const pageCore = pageHost.split('.')[0];
            if (pageHost === frameHost) {
                hostAffinity = 30;
            } else if (frameHost.includes(pageCore) || pageHost.includes(frameHost.split('.')[0])) {
                hostAffinity = 24;
            } else {
                const pageTokens = new Set(this._tokenizeHostLike(pageHost));
                const frameTokens = new Set(this._tokenizeHostLike(frameHost + ' ' + origin));
                let overlap = 0;
                for (const token of frameTokens) {
                    if (pageTokens.has(token)) {
                        overlap++;
                    }
                }
                if (overlap > 0) {
                    hostAffinity = 10 + Math.min(24, overlap * 8);
                } else if (frameTokens.size > 0) {
                    hostAffinity = -6;
                }
            }
        } catch (e) {}
        return {
            src,
            rect,
            width,
            height,
            area,
            ratio,
            attrStr,
            allowStr,
            ancestorText,
            semanticText,
            centerBias,
            hostAffinity,
        };
    }

    _scoreFrameContext(frame, origin = '') {
        const p = this._getFrameContextProfile(frame, origin);
        let score = 0;
        if (p.width < 50 || p.height < 50) {
            return -999;
        }
        if (p.area > 220000) {
            score += 36;
        } else if (p.area > 120000) {
            score += 24;
        } else if (p.area > 50000) {
            score += 12;
        } else {
            score -= 18;
        }
        if (p.ratio > 1.15 && p.ratio < 2.4) {
            score += 18;
        } else if (p.ratio >= 0.48 && p.ratio <= 0.75) {
            score += 8;
        } else if (p.ratio < 0.42 || p.ratio > 3.2) {
            score -= 28;
        }
        if (p.centerBias > 0.55) {
            score += 16;
        } else if (p.centerBias < 0.18) {
            score -= 16;
        }
        if (
            /(play|player|video|vod|watch|stream|episode|media|m3u8|mp4|hls|source|dplayer|jwplayer|plyr|videojs)/i.test(
                p.semanticText
            )
        ) {
            score += 34;
        }
        if (/(^|\/)play(\/|)|\/embed\/|\/player\/|\.m3u8|master\.m3u8|index\.m3u8|\/watch\//i.test(p.src)) {
            score += 28;
        }
        if (
            /(comment|reply|forum|discuss|social|share|login|signin|signup|auth|oauth|captcha|widget|chat|ads?|banner|popup|subscribe|newsletter)/i.test(
                p.semanticText
            )
        ) {
            score -= 90;
        }
        if (this._isDefinitelyNonVideoIframe(frame, origin) && !frame?.dmzMediaEvidence) {
            score -= 180;
        }
        if (
            /(search|results|tag|category|archive|recommend|related|popular|trending)/i.test(p.semanticText) &&
            !/(play|player|video|vod|watch|stream|m3u8)/i.test(p.semanticText)
        ) {
            score -= 36;
        }
        if (
            /(allowfullscreen|fullscreen|autoplay|encrypted-media|picture-in-picture)/i.test(p.allowStr) ||
            frame.hasAttribute('allowfullscreen')
        ) {
            score += 16;
        }
        if (/(comments?|review|disqus|respond|reply|login|signin|signup|share|social)/i.test(p.ancestorText)) {
            score -= 56;
        }
        score += p.hostAffinity;
        if (/(^|\/)play(\/| )|\/embed\/|\/player\/|\/vod\//i.test(p.src) && /[a-f0-9]{16,}/i.test(p.src)) {
            score += 20;
        }
        score -= Math.min(48, Number(frame?.dmzActivationMisses || 0) * 12);
        score += Math.min(60, Number(frame?.dmzMediaEvidence || 0) * 20);
        if (!frame?.dmzMediaEvidence && Number(frame?.dmzActivationAttempts || 0) >= 3) {
            score -= 18;
        }
        return score;
    }

    _getSignalFrameScore(frame) {
        return this._scoreFrameContext(frame, frame?.src || '');
    }

    _handleQueryMainPlayer(data, event) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        if (this.context.coreLogic.isSystemHalted || this.context.coreLogic.isRestoreInProgress) {
            this._postForceSleepCommand(event);
            return;
        }
        this._pauseFrameMediaIfNeeded(event);
        const sourceFrame = this._resolveSignalSourceFrame(event.source);
        const origin = event.origin.toLowerCase();
        if (sourceFrame) {
            sourceFrame.dmzMediaEvidence = Math.max(Number(sourceFrame.dmzMediaEvidence || 0), 1);
            sourceFrame.dmzActivationMisses = 0;
            if (this._shouldIgnoreQueryMainPlayerFrame(sourceFrame)) {
                return;
            }
            const frameScore = this._getQueryMainPlayerFrameScore(sourceFrame, origin);
            const src = (sourceFrame.src || '').toLowerCase();
            const attrStr = (
                sourceFrame.id +
                ' ' +
                sourceFrame.className +
                ' ' +
                (sourceFrame.getAttribute('title') || '') +
                ' ' +
                (sourceFrame.getAttribute('name') || '')
            ).toLowerCase();
            const isTopActive =
                  this.context.playerManager.isPlayerActiveOrInitializing ||
                  this.context.coreLogic.decisionInProgress;
            const shouldAttachTrigger =
                  isTopActive ||
                  frameScore >= 35 ||
                  (frameScore >= 18 &&
                   (sourceFrame.hasAttribute('allowfullscreen') ||
                    /(play|video|vod|embed|stream|m3u8|player|jw|prism)/i.test(src) ||
                    /(player|video|media|stream|jw|prism)/i.test(attrStr)));
            if (shouldAttachTrigger) {
                this.context.coreLogic.overlayManager.attachIframeTrigger(sourceFrame, event.source);
                this._activateFrameAutoplayIfIdle(event, frameScore);
            }
            return;
        }
        this._blindActivateFrameOrigin(event, origin);
    }

    _postForceSleepCommand(event) {
        try {
            event.source.postMessage({ type: 'DMZ_FORCE_SLEEP' }, event.origin);
        } catch (e) {
            console.debug('Failed to force sleep iframe:', e);
        }
    }

    _pauseFrameMediaIfNeeded(event) {
        if (
            !(
                this.context.playerManager.isPlayerActiveOrInitializing ||
                this.context.coreLogic.takeoverCandidates.size > 0 ||
                this.context.coreLogic.decisionInProgress
            )
        ) {
            return;
        }
        try {
            event.source.postMessage({ type: CONSTANTS.MESSAGE_TYPES.FORCE_PAUSE_ALL }, event.origin);
        } catch (e) {
            console.debug('Failed to pause iframe media:', e);
        }
    }

    _shouldIgnoreQueryMainPlayerFrame(sourceFrame) {
        if (sourceFrame === this.context.coreLogic.sandboxManager.iframeSandbox) {
            return true;
        }
        return !this._canPromoteIframeToTarget(sourceFrame, sourceFrame?.src || '', 'query-main-player');
    }

    _getQueryMainPlayerFrameScore(sourceFrame, origin) {
        return this._scoreFrameContext(sourceFrame, origin);
    }

    _activateFrameAutoplayIfIdle(event, score) {
        if (this.context.playerManager.isPlayerActiveOrInitializing || this.context.coreLogic.decisionInProgress) {
            return;
        }
        const sourceFrame = this._resolveSignalSourceFrame(event.source);
        if (sourceFrame) {
            const now = Date.now();
            const lastActivatedAt = Number(sourceFrame.dmzLastActivatedAt || 0);
            if (!this._canPromoteIframeToTarget(sourceFrame, event.origin, 'activate-autoplay')) {
                sourceFrame.dmzActivationMisses = Number(sourceFrame.dmzActivationMisses || 0) + 1;
                sourceFrame.dmzCooldownUntil = now + 3000;
                if (!sourceFrame.dmzMediaEvidence && sourceFrame.dmzActivationMisses >= 3) {
                    sourceFrame.dmzHardRejected = true;
                }
                return;
            }
            if (lastActivatedAt && now - lastActivatedAt < 1400) {
                return;
            }
            const cooldownUntil = Number(sourceFrame.dmzCooldownUntil || 0);
            if (cooldownUntil && now < cooldownUntil && !sourceFrame.dmzMediaEvidence) {
                return;
            }
            const settledUntil = Number(sourceFrame.dmzSettledUntil || 0);
            if (settledUntil && now < settledUntil) {
                return;
            }
            sourceFrame.dmzLastActivatedAt = now;
            sourceFrame.dmzActivationAttempts = Number(sourceFrame.dmzActivationAttempts || 0) + 1;
            if (this._shouldThrottlePromotion(sourceFrame, event.origin, 1700)) {
                return;
            }
            if (!sourceFrame.dmzMediaEvidence && sourceFrame.dmzActivationAttempts > 1 && score < 100) {
                sourceFrame.dmzActivationMisses = Number(sourceFrame.dmzActivationMisses || 0) + 1;
            }
            if (!sourceFrame.dmzMediaEvidence && Number(sourceFrame.dmzActivationMisses || 0) >= 3) {
                sourceFrame.dmzCooldownUntil = now + 8000;
                this.log(`[加速] iFrame连续无媒体证据，进入冷却观察: ${event.origin}`, CONSTANTS.LOG_TYPES.INFO);
                return;
            }
        }
        this.context.coreLogic.sandboxManager._markBridgeNestedEvidence(sourceFrame?.src || event.origin);
        this.context.coreLogic.sandboxManager._recordSandboxProgress('commander_lock', event.origin);
        this._logCommanderLockOnce(sourceFrame, event.origin, score);
        event.source.postMessage({ type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY }, event.origin);
        this.context.coreLogic.sandboxManager.extendCountdown(4000, '等待高分Iframe响应');
    }

    _blindActivateFrameOrigin(event, origin) {
        if (!/(play|video|vod|embed|stream|m3u8)/i.test(origin)) {
            return;
        }
        const sourceFrame = this._resolveSignalSourceFrame(event.source);
        if (sourceFrame) {
            if (this._isDefinitelyNonVideoIframe(sourceFrame, origin)) {
                sourceFrame.dmzHardRejected = true;
                return;
            }
            if (!this._canPromoteIframeToTarget(sourceFrame, origin, 'blind-activate')) {
                return;
            }
        }
        if (this.context.playerManager.isPlayerActiveOrInitializing || this.context.coreLogic.decisionInProgress) {
            return;
        }
        if (sourceFrame && this._shouldThrottlePromotion(sourceFrame, origin, 1800)) {
            return;
        }
        this.context.coreLogic.sandboxManager._markBridgeNestedEvidence(sourceFrame?.src || event.origin);
        this.context.coreLogic.sandboxManager._recordSandboxProgress('nested_iframe', event.origin);
        this.log(`指挥官：发现嵌套目标[${event.origin}]，盲发激活指令！`, CONSTANTS.LOG_TYPES.CORE_IFRAME);
        event.source.postMessage({ type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY }, event.origin);
    }

    _handleLogForward(data, event) {
        if (CONSTANTS.IS_TOP_FRAME) {
            const { logEntry } = data;
            if (logEntry) {
                const simplifiedOrigin = event.origin
                .replace(/^https?:\/\/(?:www\.)?/, '')
                .split('/')[0]
                .split('.')
                .slice(-2)
                .join('.');
                const msg = String(logEntry.message || '');
                const shouldDedup =
                      /(DOM扫描器已激活|启动【持久化压制器】|停止【持久化压制器】|开始改造原生 VIDEO|士兵：收到指挥官的激活授权|士兵：检测到播放已启动)/.test(
                          msg
                      );
                if (/DOM扫描器已激活/.test(msg)) {
                    this.context.coreLogic.sandboxManager._recordSandboxProgress('inner_scanner', simplifiedOrigin);
                } else if (/士兵：收到指挥官的激活授权/.test(msg)) {
                    this.context.coreLogic.sandboxManager._recordSandboxProgress(
                        'soldier_started',
                        simplifiedOrigin
                    );
                } else if (/士兵：检测到播放已启动|视频已开始播放|loadedmetadata|canplay/i.test(msg)) {
                    this.context.coreLogic.sandboxManager._recordSandboxProgress('media_ready', simplifiedOrigin);
                } else if (/DOM扫描Blob|开始改造原生 VIDEO|启动【持久化压制器】/.test(msg)) {
                    this.context.coreLogic.sandboxManager._recordSandboxProgress('media_boot', simplifiedOrigin);
                }
                if (shouldDedup && this._shouldSuppressForwardedFrameLog(simplifiedOrigin, msg, 4500)) {
                    return;
                }
                this.log(`[iFrame@${simplifiedOrigin}]${msg}`, logEntry.type);
            }
        }
    }

    _handleActivateAutoplay() {
        if (CONSTANTS.IS_TOP_FRAME) return;
        const now = Date.now();
        if (this._lastActivationTime && now - this._lastActivationTime < 3000) return;
        this._lastActivationTime = now;
        SmartClickModel.ensurePlaybackObservers(document);
        if (SmartClickModel.shouldStopAutomation(this.context)) return;
        if (this._exactTargetingActive) return;
        this._exactTargetingActive = true;
        this.context.coreLogic.sandboxManager._recordSandboxProgress(
            'soldier_started',
            window.location.hostname || 'subframe'
        );
        this.log('士兵：已放弃盲猜模式，启动【确定性实体侦测】...', CONSTANTS.LOG_TYPES.CORE_IFRAME);
        this._performExactTargeting();
    }

    _performExactTargeting() {
        let clickAttempted = false;
        let observer = null;
        let timeoutTimer = null;
        const checkAndClick = () => {
            if (clickAttempted) return true;
            let target = null;
            const video = document.querySelector('video');
            if (video) {
                const rect = video.getBoundingClientRect();
                if (rect.width < 30 || rect.height < 30) return false;
                const style = window.getComputedStyle(video);
                if (style.display === 'none' || style.visibility === 'hidden') return false;
                if (video.readyState >= 2 || !video.paused) {
                    this.log(`士兵：播放器已在运行中，中止打击。`, CONSTANTS.LOG_TYPES.CORE_EXEC);
                    clickAttempted = true;
                    return true;
                }
                target = video;
                const container = video.closest('.prism-player, .video-js, .jwplayer, .dplayer, .plyr, .art-video-player, [class*="player"]');
                if (container) {
                    const officialBtn = container.querySelector(
                        '.prism-big-play-btn, .vjs-big-play-button, .jw-display-icon-display, .dplayer-mobile-play, .plyr__control--overlaid, .art-control-play,[class*="big-play"]'
                    );
                    if (officialBtn && officialBtn.offsetWidth > 0 && officialBtn.offsetHeight > 0) {
                        target = officialBtn;
                    }
                }
            } else {
                const playBtn = document.querySelector('.prism-big-play-btn, .vjs-big-play-button, .jw-display-icon-display, .dplayer-mobile-play, .plyr__control--overlaid, .art-control-play,[class*="big-play"], [class*="play-button"], [class*="play-icon"], .fp-ui,[aria-label*="play" i], [title*="play" i]');
                if (playBtn && playBtn.offsetWidth > 0 && playBtn.offsetHeight > 0) {
                    const style = window.getComputedStyle(playBtn);
                    if (style.display !== 'none' && style.visibility !== 'hidden') {
                        target = playBtn;
                    }
                } else {
                    return false;
                }
            }
            if (!target) return false;
            this.log(`士兵：锁定打击目标 (${target.tagName})，准备一击致命！`, CONSTANTS.LOG_TYPES.CORE_EXEC);
            const targetRect = target.getBoundingClientRect();
            const cx = targetRect.left + targetRect.width / 2;
            const cy = targetRect.top + targetRect.height / 2;
            Utils.dispatchMouseEventSequence(target,['pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click'], {
                clientX: cx, clientY: cy
            }, 'Exact target dispatch failed:');
            Utils.safeNativeClick(target, 'Exact native click failed:');
            clickAttempted = true;
            setTimeout(() => {
                const checkVideo = document.querySelector('video');
                if (checkVideo && checkVideo.paused && checkVideo.readyState < 2) {
                    this.log(`士兵：一击未生效(疑被防弹窗遮罩吃掉点击)，执行精准补刀...`, CONSTANTS.LOG_TYPES.WARN);
                    clickAttempted = false;
                } else {
                    this.log(`士兵：激活指令已发送！等待网络层捕获数据...`, CONSTANTS.LOG_TYPES.CORE_EXEC);
                }
            }, 2500);
            return true;
        };
        observer = new MutationObserver(() => {
            if (checkAndClick()) {
                observer.disconnect();
                clearTimeout(timeoutTimer);
            }
        });
        observer.observe(document.body || document.documentElement, {
            childList: true,
            subtree: true,
            attributes: true,
            attributeFilter:['style', 'class', 'src']
        });
        if (checkAndClick()) {
            observer.disconnect();
        } else {
            timeoutTimer = setTimeout(() => {
                observer.disconnect();
                if (!clickAttempted) {
                    this._exactTargetingActive = false;
                    this.log(`士兵：等待超时，目标播放器未能成功渲染实体。`, CONSTANTS.LOG_TYPES.WARN);
                    const isBlocked = document.querySelector('.countdown, [class*="ad-time"],[id*="ad-time"], .video-ad');
                    if (isBlocked) {
                        this.postToTopFrame({ type: CONSTANTS.MESSAGE_TYPES.I_AM_BLOCKED_BY_AD });
                    }
                }
            }, 10000);
        }
    }

    _handleNeutralize() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            try {
                window.stop();
            } catch (e) {
                console.debug('Failed to stop window loading:', e);
            }
        }
    }

    _handleRestore() {
        this.context.coreLogic.restorePageToOriginalState();
    }

    _handleForcePause() {
        if (
            CONSTANTS.IS_TOP_FRAME ||
            /(recaptcha|google|facebook|twitter|instagram|disqus|comment|widget|chat|analytics)/.test(
                window.location.hostname
            )
        ) {
            return;
        }
        const mediaList = this.context.coreLogic.findAllVideosAndAudioInPage();
        if (mediaList.length === 0) {
            return;
        }

        let neutralizedCount = 0;
        mediaList.forEach((media) => {
            if (media.id !== CONSTANTS.IDS.PLAYER) {
                const result = this.context.coreLogic.neutralizeOriginalPlayer(media, 'active');
                if (result) {
                    neutralizedCount++;
                }
            }
        });

        if (neutralizedCount > 0) {
            this.log(
                `收到顶层压制指令，已强制静音并暂停 (${neutralizedCount}个媒体)。`,
                CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE
            );
        }
    }

    postToTopFrame(message) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            try {
                let targetOrigin = '*';
                try {
                    targetOrigin = window.top.location.origin;
                } catch (e) {
                    console.debug('Failed to read top origin:', e);
                }
                this.log(`向顶层窗口发送消息:${message.action || message.type}`, CONSTANTS.LOG_TYPES.COMM);
                window.top.postMessage(message, targetOrigin);
            } catch (e) {
                this.log(`跨frame通信失败:${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
            }
        }
    }

    showNotification(text, isError = false) {
        if (typeof GM_notification === 'function') {
            GM_notification({
                title: CONSTANTS.SCRIPT_NAME,
                text,
                silent: !isError,
                timeout: isError ? 5000 : 3000,
            });
        } else {
            console.log(`[${CONSTANTS.SCRIPT_NAME}] ${text}`);
        }
    }
}

class StyleManager extends BaseModule {
    constructor(context) {
        super(context, 'StyleManager');
    }

    injectPlayerStyles(shadowRoot) {
        if (!shadowRoot.querySelector(`#${CONSTANTS.IDS.PLAYER_STYLES}`)) {
            const style = document.createElement('style');
            style.id = CONSTANTS.IDS.PLAYER_STYLES;
            style.textContent = CSS.PLAYER;
            shadowRoot.appendChild(style);
        }
    }
}

const SettingsUiDescriptors = {
    SECTIONS: [
        {
            type: 'info',
            content: `💡 <b>作者：bug大魔王:</b> 脚本好用的话，点个赞，喜欢可以来tg群组交流 https://t.me/+HbQE7TdRe-4yMGM1 。`,
        },
        {
            group: '播放控制',
            items: [
                {
                    id: 'auto-play-toggle',
                    label: '自动播放',
                    type: 'switch',
                    configKey: 'autoPlay',
                },
                {
                    id: 'smart-slice-toggle',
                    label: '广告净化',
                    type: 'switch',
                    configKey: 'isSmartSlicingEnabled',
                },
                {
                    id: 'playback-rate-input',
                    label: '默认播放倍速',
                    type: 'number',
                    configKey: 'defaultPlaybackRate',
                    props: { step: '0.25', min: '0.5', max: '5.0' },
                },
                {
                    id: 'long-press-rate-input',
                    label: '长按倍速',
                    type: 'number',
                    configKey: 'longPressRate',
                    props: { step: '0.25', min: '1.0', max: '5.0' },
                },
            ],
        },
        {
            group: '高级设置',
            items: [
                {
                    id: 'max-retries-input',
                    label: '网络最大重试次数 (快速失败建议为0)',
                    type: 'number',
                    configKey: 'maxRetryCount',
                    props: { min: '0', max: '10' },
                },
                {
                    id: 'json-inspector-toggle',
                    label: '深度JSON解析劫持 (增强成功率)',
                    type: 'switch',
                    configKey: 'enableJsonInspector',
                },
                {
                    id: 'set-attribute-hooker-toggle',
                    label: '底层播放器属性劫持 (增强成功率)',
                    type: 'switch',
                    configKey: 'enableSetAttributeHooker',
                },
            ],
        },
        {
            group: '站点管理',
            items: [
                {
                    id: 'site-blacklist-input',
                    label: '黑名单 (在这些网站上禁用脚本，一行一个)',
                    type: 'textarea',
                    configKey: 'blacklist',
                    props: { rows: '8', id: 'site-blacklist-input' },
                },
                {
                    id: 'add-to-blacklist-btn',
                    label: '添加当前站点到黑名单',
                    type: 'button',
                },
            ],
        },
    ],

    HANDLERS: {
        switch: {
            getValue: (el) => el.checked,
            setValue: (el, value) => {
                el.checked = !!value;
            },
        },
        textarea: {
            getValue: (el) =>
            el.value
            .split('\n')
            .map((s) => s.trim())
            .filter(Boolean),
            setValue: (el, value) => {
                el.value = Array.isArray(value) ? value.join('\n') : (value ?? '');
            },
        },
        number: {
            getValue: (el, item) => parseFloat(el.value) || (item.configKey === 'maxRetryCount' ? 3 : 1.0),
            setValue: (el, value) => {
                el.value = value;
            },
        },
    },
};

const SettingsUiFactoryUtils = {
    createLabeledInput(item) {
        const label = DomUtils.create('label', {
            htmlFor: item.id,
            textContent: item.label,
        });
        const input = DomUtils.create(item.type === 'number' ? 'input' : 'textarea', {
            id: item.id,
            ...item.props,
        });
        if (item.type === 'number') {
            input.type = 'number';
        }
        return DomUtils.create('div', { className: 'option-item-col' }, [label, input]);
    },

    createSwitchItem(item) {
        return DomUtils.create('div', { className: 'option-item' }, [
            DomUtils.create('label', { htmlFor: item.id, textContent: item.label }),
            DomUtils.create('label', { className: CONSTANTS.CLASSES.SWITCH }, [
                DomUtils.create('input', { type: 'checkbox', id: item.id }),
                DomUtils.create('span', { className: CONSTANTS.CLASSES.SLIDER }),
            ]),
        ]);
    },

    createButtonItem(item) {
        return DomUtils.create('button', {
            id: item.id,
            className: `${CONSTANTS.CLASSES.SETTINGS_BTN} action`,
            textContent: item.label,
        });
    },

    createItemElement(item) {
        switch (item.type) {
            case 'switch':
                return this.createSwitchItem(item);
            case 'number':
            case 'textarea':
                return this.createLabeledInput(item);
            case 'button':
                return this.createButtonItem(item);
            default:
                return null;
        }
    },

    createInfoSection(section) {
        return DomUtils.create('div', {
            className: 'settings-card-info',
            innerHTML: section.content,
        });
    },

    createSectionCard(section) {
        const card = DomUtils.create('div', {
            className: CONSTANTS.CLASSES.SETTINGS_CARD,
        });
        card.appendChild(
            DomUtils.create('h3', {
                className: 'settings-title',
                textContent: section.group,
            })
        );
        section.items.forEach((item) => {
            const el = this.createItemElement(item);
            if (el) {
                card.appendChild(el);
            }
        });
        return card;
    },

    appendSection(container, section) {
        if (section.type === 'info') {
            container.appendChild(this.createInfoSection(section));
            return;
        }
        container.appendChild(this.createSectionCard(section));
    },
};

const UnifiedPanelDescriptors = {
    NAV_ITEMS: [
        {
            id: 'nav-btn-diagnostics',
            className: 'dmz-nav-btn',
            textContent: '诊断报告',
        },
        {
            id: 'nav-btn-settings',
            className: 'dmz-nav-btn',
            textContent: '功能设置',
        },
    ],

    FOOTER_ITEMS: [
        {
            id: 'dmz-settings-reset-btn',
            className: `${CONSTANTS.CLASSES.SETTINGS_BTN} reset`,
            textContent: '恢复默认',
        },
        {
            id: 'dmz-settings-save-btn',
            className: `${CONSTANTS.CLASSES.SETTINGS_BTN} save`,
            textContent: '保存并应用',
        },
    ],
};

const UnifiedPanelFactoryUtils = {
    createButtons(descriptors) {
        return descriptors.map((descriptor) =>
                               DomUtils.create('button', {
            id: descriptor.id,
            className: descriptor.className,
            textContent: descriptor.textContent,
        })
                              );
    },
};

class SettingsUI extends BaseModule {
    constructor(context) {
        super(context, 'SettingsUI');
        this.UI_CONFIG = SettingsUiDescriptors.SECTIONS;
        this.UI_HANDLERS = SettingsUiDescriptors.HANDLERS;
    }

    _getConfigItems() {
        return this.UI_CONFIG.flatMap((section) => section.items ?? []);
    }
    _appendSection(contentArea, section) {
        SettingsUiFactoryUtils.appendSection(contentArea, section);
    }

    generateSettingsContent() {
        const contentArea = DomUtils.create('div', {
            className: CONSTANTS.CLASSES.SETTINGS_GRID,
        });
        this.UI_CONFIG.forEach((section) => this._appendSection(contentArea, section));
        return contentArea;
    }

    _applyItemValue(panel, item, data) {
        if (!item.configKey) {
            return;
        }
        const el = panel.querySelector(`#${item.id}`);
        const handler = this.UI_HANDLERS[item.type];
        if (el && handler) {
            handler.setValue(el, data[item.configKey], item);
        }
    }

    loadDataToUI(panel, data) {
        this._getConfigItems().forEach((item) => this._applyItemValue(panel, item, data));
    }

    _readItemValue(panel, item, newConfig) {
        if (!item.configKey) {
            return;
        }
        const el = panel.querySelector(`#${item.id}`);
        const handler = this.UI_HANDLERS[item.type];
        if (el && handler) {
            newConfig[item.configKey] = handler.getValue(el, item);
        }
    }

    saveDataFromUI(panel) {
        const newConfig = {};
        this._getConfigItems().forEach((item) => this._readItemValue(panel, item, newConfig));
        return newConfig;
    }
}

const InfoPanelDescriptors = {
    DIAGNOSTICS_TEMPLATE: `<div class="status-banner"><span class="status-banner-icon" data-info="status-icon"></span><span data-info="status-text"></span></div><div class="cards-container"><div class="info-card full-width"><h4 class="card-title">[广告过滤]净化报告</h4><div class="card-content-item"><span class="label">净化结果</span><span class="value" data-info="ad-filter"></span></div><div class="card-content-item"><span class="label">分析摘要</span><div class="value" data-info="ad-analysis-result"></div></div></div><div class="info-card"><h4 class="card-title">视频与播放诊断</h4><div class="card-content-item"><span class="label">接管方式</span><span class="value" data-info="takeover"></span></div><div class="card-content-item" data-info-item="format"><span class="label">视频格式</span><span class="value" data-info="format"></span></div><div class="card-content-item"><span class="label">播放分辨率</span><span class="value" data-info="resolution"></span></div><div class="card-content-item"><span class="label">来源地址</span><span class="value" data-info="url"></span></div></div><div class="info-card"><h4 class="card-title">播放健康度诊断</h4><div data-info-container="health-m3u8"><div class="card-content-item"><span class="label">播放列表 (M3U8)</span><span class="value" data-info="health-m3u8"></span></div><div class="card-content-item"><span class="label">内容解密 (Key)</span><span class="value" data-info="health-key"></span></div><div class="card-content-item"><span class="label">视频流 (TS)</span><span class="value" data-info="health-ts"></span></div></div><div data-info-container="health-normal" style="display: none;"><div class="card-content-item"><span class="label" data-info-label="health-normal-label">媒体文件加载</span><span class="value" data-info="health-normal"></span></div></div></div></div><div class="details-toggle">▼ 展开开发者日志</div><div class="developer-logs" style="display: none;"><div class="card-content-item"><div class="label-wrapper"><span class="label">M3U8 原始情报</span><span data-info="m3u8-raw-controls"></span></div></div><textarea data-info="m3u8-raw" readonly></textarea><div class="card-content-item" data-info-container="m3u8-processed"><div class="label-wrapper"><span class="label" data-info="m3u8-processed-label">M3U8 净化后情报</span><span data-info="m3u8-processed-controls"></span></div></div><textarea data-info="m3u8-processed" readonly></textarea><div class="card-content-item"><div class="label-wrapper"><span class="label">开发者事件时间轴</span><span data-info="dev-log-controls"></span></div></div><div class="dmz-log-container"><pre data-info="dev-log"></pre></div></div>`,
    AD_FILTER_SELECTORS: {
        adFilter: '[data-info="ad-filter"]',
        adAnalysisResult: '[data-info="ad-analysis-result"]',
    },
    M3U8_HEALTH_ITEMS: [
        {
            selector: '[data-info="health-m3u8"]',
            statusKey: 'manifest',
            successText: '播放列表已就绪',
            errorText: '播放列表加载失败',
            pendingText: '正在请求播放列表...',
            codeKey: 'code',
        },
        {
            selector: '[data-info="health-key"]',
            statusKey: 'key',
            successText: '密钥获取成功',
            notEncryptedText: '内容未加密，无需解密',
            errorText: '密钥获取失败',
            pendingText: '正在分析加密...',
            codeKey: 'code',
        },
        {
            selector: '[data-info="health-ts"]',
            statusKey: 'segments',
            successText: '视频流缓冲中 (加载正常)',
            errorText: '视频流加载不畅',
            pendingText: '等待视频流加载...',
        },
    ],
};

const InfoPanelFactoryUtils = {
    createDiagnosticsContentElement() {
        return DomUtils.create('div', {
            className: 'dmz-panel-pane-content',
            innerHTML: InfoPanelDescriptors.DIAGNOSTICS_TEMPLATE,
        });
    },

    getAdFilterElements(root) {
        return {
            adFilter: root.querySelector(InfoPanelDescriptors.AD_FILTER_SELECTORS.adFilter),
            adAnalysisResult: root.querySelector(InfoPanelDescriptors.AD_FILTER_SELECTORS.adAnalysisResult),
        };
    },

    renderM3u8Health(manager, root, health) {
        InfoPanelDescriptors.M3U8_HEALTH_ITEMS.forEach((item) => {
            const section = health[item.statusKey];
            const successText =
                  section?.status === 'not_encrypted' && item.notEncryptedText
            ? item.notEncryptedText
            : item.successText;
            manager._setHtml(
                root,
                item.selector,
                manager._getStatusHtml(
                    section?.status,
                    successText,
                    item.errorText,
                    item.pendingText,
                    item.codeKey ? section?.[item.codeKey] : ''
                )
            );
        });
    },
};

class InfoPanelManager extends BaseModule {
    constructor(context) {
        super(context, 'InfoPanelManager');
    }

    _getPanelRoot() {
        return this.context.unifiedPanelManager?.elements?.shadowRoot;
    }

    _createDiagnosticsContentElement() {
        return InfoPanelFactoryUtils.createDiagnosticsContentElement();
    }

    _createCopyReportButton() {
        return DomUtils.create('button', {
            className: 'copy-report-btn',
            title: '复制完整诊断报告',
            innerHTML: '📋 复制报告',
            style: {
                flex: '1 1 0',
                margin: '0',
            },
        });
    }

    _createCopyJsonButton() {
        return DomUtils.create('button', {
            className: 'copy-report-btn',
            title: '复制结构化诊断 JSON',
            innerHTML: '🧬 复制 JSON',
            style: {
                flex: '1 1 0',
                margin: '0',
            },
        });
    }

    _toggleDeveloperLogs(devLogsContainer, detailsToggle) {
        const isVisible = devLogsContainer.style.display !== 'none';
        devLogsContainer.style.display = isVisible ? 'none' : 'block';
        detailsToggle.textContent = (!isVisible ? '▲ 收起' : '▼ 展开') + '开发者日志';
    }

    _copyFullReport(copyReportBtn) {
        const reportText = this.generateFullReportText();
        Utils.copyToClipboard(reportText, () =>
                              DomUtils.showButtonFeedback(copyReportBtn, {
            successText: '✔ 已复制!',
            duration: 2000,
        })
                             );
    }

    _copyStructuredReportJson(copyJsonBtn) {
        const reportText = this.generateStructuredReportJson();
        Utils.copyToClipboard(reportText, () =>
                              DomUtils.showButtonFeedback(copyJsonBtn, {
            successText: '✔ 已复制!',
            duration: 2000,
        })
                             );
    }

    _bindDiagnosticsContentEvents(content, copyReportBtn, copyJsonBtn) {
        const devLogsContainer = content.querySelector('.developer-logs');
        const detailsToggle = content.querySelector('.details-toggle');
        detailsToggle.addEventListener('click', () => this._toggleDeveloperLogs(devLogsContainer, detailsToggle));
        copyReportBtn.addEventListener('click', () => this._copyFullReport(copyReportBtn));
        copyJsonBtn.addEventListener('click', () => this._copyStructuredReportJson(copyJsonBtn));
    }

    generateDiagnosticsContent() {
        const copyReportBtn = this._createCopyReportButton();
        const copyJsonBtn = this._createCopyJsonButton();
        const buttonBar = DomUtils.create(
            'div',
            {
                style: {
                    display: 'flex',
                    gap: '8px',
                    margin: '0 0 10px',
                },
            },
            [copyReportBtn, copyJsonBtn]
        );
        const content = this._createDiagnosticsContentElement();
        content.prepend(buttonBar);
        this._bindDiagnosticsContentEvents(content, copyReportBtn, copyJsonBtn);
        return content;
    }

    _getRootText(root, selector) {
        return root.querySelector(selector)?.innerText.trim() ?? 'N/A';
    }

    _getRootValue(root, selector) {
        return root.querySelector(selector)?.value ?? 'N/A';
    }

    generateFullReportText() {
        const root = this._getPanelRoot();
        if (!root) {
            return '无法生成报告：面板未初始化。';
        }

        const structured = this.context.diagnosticsTool?.getStructuredReportData?.() ?? {};
        const takeoverEvidence = structured.takeoverEvidence ?? {};
        const initialWinner = takeoverEvidence.initialWinner?.sourceName || 'N/A';
        const finalWinner = takeoverEvidence.finalWinner?.sourceName || this._getRootText(root, '[data-info="takeover"]');
        const switchText = takeoverEvidence.switchCount > 0
        ? `${takeoverEvidence.switchCount} 次 (${(takeoverEvidence.switchHistory || []).map((entry) => entry?.to?.sourceName || entry?.sourceName || '未知来源').join(' -> ')})`
            : '0 次';
        const playerManager = this.context.playerManager;
        const videoFormat = playerManager?.currentVideoFormat ?? { name: '未知' };
        const isM3U8Type = videoFormat.name === 'M3U8' || !!playerManager?.lastM3u8Content;
        const healthText = isM3U8Type
        ? `**播放健康度 - 播放列表:** ${this._getRootText(root, '[data-info="health-m3u8"]')}
**播放健康度 - 内容解密:** ${this._getRootText(root, '[data-info="health-key"]')}
**播放健康度 - 视频流:** ${this._getRootText(root, '[data-info="health-ts"]')}`
            : `**播放健康度 - 播放列表:** N/A (MP4直链，无播放列表)
**播放健康度 - 内容解密:** N/A (无分片解密)
**播放健康度 - 视频流:** ${this._getRootText(root, '[data-info="health-normal"]')}`;
        const nl = '\n';
        const dbl = '\n\n';
        const developerLogText = this.context.diagnosticsTool?.generateDeveloperReportText?.() ?? this._getRootText(root, '[data-info="dev-log"]');
        return `### 📊 ${CONSTANTS.SCRIPT_NAME} 诊断报告 ###${dbl}**版本:** ${CONSTANTS.SCRIPT_VERSION}${nl}**页面URL:** ${window.location.href}${dbl}--- [广告过滤]净化报告 ---${dbl}**净化结果:** ${this._getRootText(root, '[data-info="ad-filter"]')}${nl}**分析摘要:**${nl}${this._getRootText(root, '[data-info="ad-analysis-result"]').replace(/•/g, '* ')}${nl}${dbl}--- 视频与播放诊断 ---${dbl}**接管方式:** ${finalWinner}${nl}**初始接管:** ${initialWinner}${nl}**最终接管:** ${finalWinner}${nl}**切换历史:** ${switchText}${nl}**视频来源:** ${playerManager?.currentVideoUrl ?? 'N/A'}${nl}${healthText}${dbl}--- M3U8 原始情报 ---${dbl}${this._getRootValue(root, '[data-info="m3u8-raw"]')}${dbl}--- M3U8 净化后情报 ---${dbl}${this._getRootValue(root, '[data-info="m3u8-processed"]')}${dbl}--- 开发者事件时间轴 ---${dbl}${developerLogText}`;
    }

    generateStructuredReportJson() {
        const rawData = this.context.diagnosticsTool?.getStructuredReportData?.();
        const sanitize = (val, seen = new WeakSet()) => {
            if (val === null || typeof val !== 'object') return val;
            try {
                if (val.window === val || typeof val.postMessage === 'function') return '[Window Proxy]';
                if (typeof val.appendChild === 'function') return '[DOM Element]';
            } catch (e) {
                return '[Cross-Origin Object]';
            }
            if (seen.has(val)) return '[Circular Reference]';
            seen.add(val);
            if (Array.isArray(val)) {
                return val.map((item) => sanitize(item, seen));
            }
            const result = {};
            try {
                for (const key of Object.keys(val)) {
                    result[key] = sanitize(val[key], seen);
                }
            } catch (e) {
                return '[Inaccessible Object]';
            }
            return result;
        };
        try {
            return JSON.stringify(sanitize(rawData) ?? { error: '暂无诊断数据。' }, null, 2);
        } catch (e) {
            return JSON.stringify({ error: '序列化彻底失败', details: String(e) }, null, 2);
        }
    }

    _getStatusHtml(status, successText, errorText, pendingText, errorCode = '') {
        switch (status) {
            case 'success':
                return `✅ ${successText}`;
            case 'not_encrypted':
                return `✅ ${successText}`;
            case 'not_applicable':
                return `➖ 不适用`;
            case 'error':
                return `❌ ${errorText} ${errorCode ? `(错误: ${errorCode})` : ''}`;
            default:
                return `⏳${pendingText}`;
        }
    }

    _setText(root, selector, text) {
        const el = root.querySelector(selector);
        if (el) {
            el.textContent = text;
        }
    }

    _setHtml(root, selector, html) {
        const el = root.querySelector(selector);
        if (el) {
            el.innerHTML = html;
        }
    }

    _escapeHtml(text) {
        return String(text ?? '')
            .replace(/&/g, '&amp;')
            .replace(/</g, '&lt;')
            .replace(/>/g, '&gt;');
    }

    _getIdleStatusPresentation(domScanner, coreLogic) {
        if (coreLogic.isSystemHalted) {
            return { icon: '💤', text: '当前页面疑似非视频页，已自动休眠。' };
        }
        if (domScanner && domScanner.isStopped) {
            return { icon: '💤', text: '扫描器暂停中...' };
        }
        return { icon: '🕵️', text: '正在页面上巡逻，待命中...' };
    }

    _getErrorStatusPresentation(health) {
        if (health.manifest.status === 'error') {
            return {
                icon: '❌',
                text: `视频目录加载失败(错误:${health.manifest.code})，无法播放`,
            };
        }
        if (health.key.status === 'error') {
            return {
                icon: '❌',
                text: `视频密钥获取失败(错误:${health.key.code})，无法解密`,
            };
        }
        if (health.media.status === 'error' && health.media.reason) {
            return {
                icon: '❌',
                text: `媒体解码失败(原因:${health.media.reason})`,
            };
        }
        if (health.segments.status === 'error') {
            return { icon: '❌', text: `视频数据加载失败 (已达最大重试)` };
        }
        return null;
    }

    _getActivePlaybackStatusPresentation(playerManager) {
        if (!playerManager.isPlayerActiveOrInitializing) {
            return null;
        }
        const v = playerManager.videoElement;
        if (v && (!v.videoWidth || !v.videoHeight)) {
            return { icon: '📏', text: '正在获取视频尺寸...' };
        }
        if (v && v.readyState > 2 && !v.paused) {
            return { icon: '✅', text: '视频正在流畅播放中！' };
        }
        return { icon: '⏳', text: '正在缓冲视频...' };
    }

    _resolveStatusPresentation(playerManager, health, domScanner, coreLogic) {
        return (
            this._getErrorStatusPresentation(health) ||
            this._getActivePlaybackStatusPresentation(playerManager) ||
            this._getIdleStatusPresentation(domScanner, coreLogic)
        );
    }

    _applyStatusBanner(root, status) {
        this._setHtml(root, '[data-info="status-icon"]', `<span style="font-size: 22px;">${status.icon}</span>`);
        this._setText(root, '[data-info="status-text"]', status.text);
    }

    _resolveDisplayVideoFormat(playerManager) {
        let videoFormat = playerManager.currentVideoFormat ?? {
            name: '未知',
            type: '',
        };
        if (playerManager.lastM3u8Content && videoFormat.name !== 'M3U8') {
            videoFormat = { name: 'M3U8', type: '流式传输' };
        }
        return videoFormat;
    }

    _formatSlicedDuration(slicedDuration) {
        if (!(slicedDuration > 0)) {
            return '';
        }
        let formattedDuration;
        if (slicedDuration < 60) {
            formattedDuration = `${slicedDuration.toFixed(1)}秒`;
        } else {
            const minutes = Math.floor(slicedDuration / 60);
            const remainingSeconds = Math.round(slicedDuration % 60);
            formattedDuration = `${minutes}分${remainingSeconds}秒`;
        }
        return `，总计时长约${formattedDuration}`;
    }

    _hasActivatedEngine(report, engineName) {
        const activated = report?.activatedEngines;
        if (activated instanceof Set) {
            return activated.has(engineName);
        }
        if (Array.isArray(activated)) {
            return activated.includes(engineName);
        }
        return false;
    }

    _getFoundFeatures(report, engineName) {
        const foundFeatures = report?.foundFeatures;
        if (!foundFeatures) {
            return [];
        }
        if (foundFeatures instanceof Map) {
            return Array.from(foundFeatures.get(engineName) ?? []);
        }
        if (Array.isArray(foundFeatures)) {
            const entry = foundFeatures.find(([key]) => key === engineName);
            return entry ? Array.from(entry[1] ?? []) : [];
        }
        const rawValue = foundFeatures[engineName];
        if (Array.isArray(rawValue)) {
            return rawValue.slice();
        }
        if (rawValue instanceof Set) {
            return Array.from(rawValue);
        }
        return rawValue ? [rawValue] : [];
    }

    _buildAdDetailBlock(title, body, extra = '') {
        const safeBody = body || '暂无可展示明细';
        return `<div style="margin-top:8px;padding:8px 10px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:rgba(255,255,255,.03);"><strong>${title}</strong><div style="margin-top:6px;line-height:1.55;word-break:break-word;">${safeBody}</div>${extra}</div>`;
    }

    _buildUrlPatternAnalysis(report) {
        if (!this._hasActivatedEngine(report, 'URL_PATTERN')) {
            return '';
        }
        const keywords = this._getFoundFeatures(report, 'URL_PATTERN')
        .map((k) => `<code>${this._escapeHtml(k)}</code>`)
        .join('、');
        const keywordText = keywords || '<code>已命中特征，但关键词缺失</code>';
        return this._buildAdDetailBlock(
            '「特征锁定」过滤',
            `命中 URL 特征关键词：${keywordText}`,
            `<div style="margin-top:6px;color:var(--s-text-dim);">已按特征精准切除广告分片。</div>`
        );
    }

    _buildBehaviorModelAnalysis(report) {
        if (!this._hasActivatedEngine(report, 'BEHAVIOR_MODEL')) {
            return '';
        }
        const details = this._getFoundFeatures(report, 'BEHAVIOR_MODEL');
        const body = details.length > 0
        ? details.map((d) => `• ${this._escapeHtml(d)}`).join('<br>')
        : '已启用行为清扫，但未记录到具体特征。';
        return this._buildAdDetailBlock('「行为清扫」过滤', body);
    }

    _buildTimeRangeAnalysis(report) {
        if (!(report.slicedTimeRanges?.length > 0)) {
            return '';
        }
        const ranges = report.slicedTimeRanges
        .slice()
        .sort((a, b) => a.start - b.start)
        .map((range) => `⏱️ ${Utils.formatTime(range.start)} → ${Utils.formatTime(range.end)}`)
        .join('<br>');
        return this._buildAdDetailBlock('切除时间点', ranges);
    }

    _renderSmartSlicingDisabled(adFilter, adAnalysisResult) {
        adFilter.innerHTML = `“广告过滤”系统未启用`;
        adAnalysisResult.innerHTML = `已在设置中关闭，所有净化模块将不会运行。`;
    }

    _renderSlicedM3u8Report(adFilter, adAnalysisResult, report) {
        const slicedSegments = report?.slicedSegments ?? 0;
        const slicedGroups = report?.slicedGroups ?? 0;
        const durationText = this._formatSlicedDuration(report?.slicedDuration ?? 0);
        adFilter.innerHTML = `🛡️〖任务完成〗 已为您拦截 ${slicedSegments} 个广告片段${durationText}。`;
        const activatedEngines = Array.isArray(report?.activatedEngines)
        ? report.activatedEngines
        : Array.from(report?.activatedEngines ?? []);
        let analysisHTML = `📄〖广告过滤〗模块已激活，净化协议启动：<div style="margin-top:8px;color:var(--s-text-dim);line-height:1.55;">本次共切除 <b>${slicedGroups}</b> 组广告、<b>${slicedSegments}</b> 个广告分片。</div>`;
        const detailBlocks = [
            this._buildUrlPatternAnalysis(report),
            this._buildBehaviorModelAnalysis(report),
            this._buildTimeRangeAnalysis(report),
        ].filter(Boolean);
        if (detailBlocks.length > 0) {
            analysisHTML += detailBlocks.join('');
        } else {
            const engineText = activatedEngines.length > 0 ? activatedEngines.map((name) => this._escapeHtml(name)).join('、') : '已执行净化，但暂无可展示特征';
            analysisHTML += this._buildAdDetailBlock('净化明细', `命中引擎：${engineText}`);
        }
        analysisHTML += '<small style="display:block;margin-top:8px;line-height:1.5;">[广告过滤]模块已全面接管，为您带来无干扰的沉浸式观看体验。</small>';
        adAnalysisResult.innerHTML = analysisHTML;
    }

    _renderCleanM3u8Report(adFilter, adAnalysisResult) {
        adFilter.innerHTML = `🛡️〖无需净化〗 视频流纯净。`;
        adAnalysisResult.innerHTML = `📑〖广告过滤〗模块已完成扫描，未在视频流中发现任何广告特征。确认为纯净内容，请放心观看。`;
    }

    _renderNormalFileReport(adFilter, adAnalysisResult, videoFormat) {
        adFilter.innerHTML = `🛡️( 常规文件〖无需净化〗)`;
        adAnalysisResult.innerHTML = `📑〖广告过滤〗模块仅适用于 M3U8 流媒体。当前 〖${videoFormat.name}〗 格式为单一文件，已为您直接播放。`;
    }

    _renderWaitingVideoReport(adFilter, adAnalysisResult) {
        adFilter.innerHTML = `⏳ 等待视频...`;
        adAnalysisResult.innerHTML = `捕获到视频后，〖广告过滤〗模块将自动启动。`;
    }

    _renderAdFilterSection(root, settingsManager, playerManager, videoFormat, report) {
        const refs = this._getAdFilterElements(root);
        const mode = this._resolveAdFilterMode(settingsManager, playerManager, videoFormat, report);
        this._renderAdFilterMode(mode, refs, videoFormat, report);
    }

    _getAdFilterElements(root) {
        return InfoPanelFactoryUtils.getAdFilterElements(root);
    }

    _resolveAdFilterMode(settingsManager, playerManager, videoFormat, report) {
        if (!settingsManager.config.isSmartSlicingEnabled) {
            return 'disabled';
        }
        if (!playerManager.isPlayerActiveOrInitializing) {
            return 'waiting';
        }
        if (videoFormat.name !== 'M3U8') {
            return 'normal';
        }
        return report.slicedSegments > 0 ? 'sliced' : 'clean';
    }

    _renderAdFilterMode(mode, refs, videoFormat, report) {
        if (mode === 'disabled') {
            this._renderSmartSlicingDisabled(refs.adFilter, refs.adAnalysisResult);
            return;
        }
        if (mode === 'waiting') {
            this._renderWaitingVideoReport(refs.adFilter, refs.adAnalysisResult);
            return;
        }
        if (mode === 'normal') {
            this._renderNormalFileReport(refs.adFilter, refs.adAnalysisResult, videoFormat);
            return;
        }
        if (mode === 'sliced') {
            this._renderSlicedM3u8Report(refs.adFilter, refs.adAnalysisResult, report);
            return;
        }
        this._renderCleanM3u8Report(refs.adFilter, refs.adAnalysisResult);
    }

    _renderTakeoverAndFormat(root, diagnosticsTool, playerManager) {
        const evidence = diagnosticsTool.takeoverEvidence ?? {};
        const initialSource = evidence.initialWinner?.sourceName || '';
        const finalSource = evidence.finalWinner?.sourceName || Array.from(evidence.sources ?? []).join(' + ');
        const takeoverText = evidence.switchCount > 0 && initialSource && finalSource && initialSource !== finalSource
        ? `${initialSource} → ${finalSource}`
            : finalSource || 'N/A';
        this._setText(root, '[data-info="takeover"]', takeoverText);
        this._setText(
            root,
            '[data-info="format"]',
            playerManager.currentVideoFormat
            ? `${playerManager.currentVideoFormat.name} (${playerManager.currentVideoFormat.type})`
                    : '未知'
        );
        this._setText(root, '[data-info="resolution"]', playerManager.currentVideoResolution || '等待视频加载...');
    }

    _renderUrlField(root, playerManager) {
        const urlEl = root.querySelector('[data-info="url"]');
        const fullUrl = playerManager.currentVideoUrl ?? 'N/A';
        urlEl.innerHTML = '';
        urlEl.appendChild(
            document.createTextNode((fullUrl.length > 80 ? '...' + fullUrl.slice(-80) : fullUrl) + ' ')
        );
        if (fullUrl !== 'N/A') {
            urlEl.appendChild(DomUtils.createCopyButtonWithFeedback(fullUrl, '复制'));
        }
    }

    _showM3u8HealthContainers(root) {
        const m3u8Container = root.querySelector('[data-info-container="health-m3u8"]');
        const normalContainer = root.querySelector('[data-info-container="health-normal"]');
        m3u8Container.style.display = 'flex';
        m3u8Container.style.flexDirection = 'column';
        m3u8Container.style.gap = '10px';
        normalContainer.style.display = 'none';
    }

    _renderM3u8Health(root, health) {
        InfoPanelFactoryUtils.renderM3u8Health(this, root, health);
    }

    _renderNormalHealth(root, health, videoFormat) {
        root.querySelector('[data-info-container="health-m3u8"]').style.display = 'none';
        root.querySelector('[data-info-container="health-normal"]').style.display = 'flex';
        this._setText(root, '[data-info-label="health-normal-label"]', `〖${videoFormat.name}〗 文件加载状态`);
        this._setHtml(
            root,
            '[data-info="health-normal"]',
            this._getStatusHtml(health.media.status, '媒体文件已加载', '媒体文件加载失败', '正在加载媒体文件...')
        );
    }

    _renderIdleHealth(root) {
        this._setText(root, '[data-info="health-m3u8"]', '⏳ 待命中');
        this._setText(root, '[data-info="health-key"]', '⏳ 待命中');
        this._setText(root, '[data-info="health-ts"]', '⏳ 待命中');
    }

    _renderHealthSection(root, playerManager, health, isM3U8Type, videoFormat) {
        this._showM3u8HealthContainers(root);
        if (!playerManager.isPlayerActiveOrInitializing) {
            this._renderIdleHealth(root);
            return;
        }
        if (isM3U8Type) {
            this._renderM3u8Health(root, health);
            return;
        }
        this._renderNormalHealth(root, health, videoFormat);
    }

    _renderM3u8Textarea(root, selector, value) {
        const textarea = root.querySelector(selector);
        textarea.value = value;
        return textarea;
    }

    _renderCopyControl(container, value, emptyKeyword) {
        container.innerHTML = '';
        if (value && !value.includes(emptyKeyword)) {
            container.appendChild(DomUtils.createCopyButtonWithFeedback(value, '复制'));
        }
    }

    _renderM3u8Section(root, playerManager, diagnosticsTool, isM3U8Type) {
        const m3u8Raw = this._renderM3u8Textarea(
            root,
            '[data-info="m3u8-raw"]',
            playerManager.lastM3u8Content ?? '暂未捕获到M3U8情报。'
        );
        root.querySelector('[data-info-container="m3u8-processed"]').style.display = isM3U8Type ? 'flex' : 'none';
        const m3u8Processed = this._renderM3u8Textarea(
            root,
            '[data-info="m3u8-processed"]',
            diagnosticsTool.lastProcessedM3u8 ?? '暂无处理后内容。'
        );
        this._renderCopyControl(root.querySelector('[data-info="m3u8-raw-controls"]'), m3u8Raw.value, '暂未捕获');
        if (isM3U8Type) {
            this._renderCopyControl(
                root.querySelector('[data-info="m3u8-processed-controls"]'),
                m3u8Processed.value,
                '暂无'
            );
        } else {
            root.querySelector('[data-info="m3u8-processed-controls"]').innerHTML = '';
        }
    }

    update() {
        const panelContext = this._createPanelUpdateContext();
        if (!panelContext) {
            return;
        }
        this._renderPanelStatus(panelContext);
        this._renderPanelMainSections(panelContext);
        this._renderPanelMediaSections(panelContext);
    }

    _createPanelUpdateContext() {
        const root = this._getPanelRoot();
        if (!root || !this.context.playerManager || !this.context.diagnosticsTool) {
            return null;
        }
        const { playerManager, diagnosticsTool, settingsManager, domScanner, coreLogic } = this.context;
        const health = diagnosticsTool.playbackHealth;
        const report = diagnosticsTool.slicingReport ?? {};
        const videoFormat = this._resolveDisplayVideoFormat(playerManager);
        return {
            root,
            playerManager,
            diagnosticsTool,
            settingsManager,
            domScanner,
            coreLogic,
            health,
            report,
            videoFormat,
            isM3U8Type: videoFormat.name === 'M3U8',
        };
    }

    _renderPanelStatus(panelContext) {
        const { root, playerManager, health, domScanner, coreLogic } = panelContext;
        const status = this._resolveStatusPresentation(playerManager, health, domScanner, coreLogic);
        this._applyStatusBanner(root, status);
    }

    _renderPanelMainSections(panelContext) {
        const { root, settingsManager, playerManager, videoFormat, report, diagnosticsTool } = panelContext;
        this._renderAdFilterSection(root, settingsManager, playerManager, videoFormat, report);
        this._renderTakeoverAndFormat(root, diagnosticsTool, playerManager);
        this._renderUrlField(root, playerManager);
    }

    _renderPanelMediaSections(panelContext) {
        const { root, playerManager, health, isM3U8Type, videoFormat, diagnosticsTool } = panelContext;
        this._renderHealthSection(root, playerManager, health, isM3U8Type, videoFormat);
        this._renderM3u8Section(root, playerManager, diagnosticsTool, isM3U8Type);
    }

    _getCurrentLogSignature(timeline) {
        if (timeline.length === 0) {
            return null;
        }
        const lastLog = timeline[timeline.length - 1];
        return `${timeline.length}_${lastLog.sequence}`;
    }

    _shouldSkipDeveloperLogRender(timeline) {
        const currentSignature = this._getCurrentLogSignature(timeline);
        if (!currentSignature) {
            return false;
        }
        if (this._lastLogSignature === currentSignature) {
            return true;
        }
        this._lastLogSignature = currentSignature;
        return false;
    }

    _renderDeveloperLogText(devLog, diagnosticsTool) {
        if (devLog) {
            devLog.innerHTML = diagnosticsTool.generateDeveloperReport();
        }
    }

    _getChainStatusIcon(status) {
        return {
            success: '✅',
            warning: '⚠️',
            error: '❌',
            pending: '⏳',
            active: '🟢',
            switched: '🔁',
        }[status] || '⏳';
    }


    _renderDeveloperLogControls(devLogControls, devLog) {
        if (!devLogControls) {
            return;
        }
        devLogControls.innerHTML = '';
        const wrap = document.createElement('div');
        wrap.style.display = 'flex';
        wrap.style.gap = '8px';
        const visibleButton = document.createElement('button');
        visibleButton.className = 'copy-btn';
        visibleButton.textContent = '复制日志';
        visibleButton.addEventListener('click', () => {
            const visibleText = this.context.diagnosticsTool?.generateDeveloperReportText?.() ?? devLog.innerText;
            Utils.copyToClipboard(visibleText, () =>
                                  DomUtils.showButtonFeedback(visibleButton, { successText: '✔ 已复制!' })
                                 );
        });
        const jsonButton = document.createElement('button');
        jsonButton.className = 'copy-btn';
        jsonButton.textContent = '复制 JSON';
        jsonButton.addEventListener('click', () => {
            const jsonText = this.generateStructuredReportJson();
            Utils.copyToClipboard(jsonText, () =>
                                  DomUtils.showButtonFeedback(jsonButton, { successText: '✔ 已复制!' })
                                 );
        });
        wrap.append(visibleButton, jsonButton);
        devLogControls.appendChild(wrap);
    }

    renderDeveloperLog() {
        const root = this._getPanelRoot();
        if (!root || !this.context.diagnosticsTool) {
            return;
        }
        const { diagnosticsTool } = this.context;
        const timeline = diagnosticsTool.eventTimeline;
        if (this._shouldSkipDeveloperLogRender(timeline)) {
            return;
        }

        const devLog = root.querySelector('[data-info="dev-log"]');
        this._renderDeveloperLogText(devLog, diagnosticsTool);
        this._renderDeveloperLogControls(root.querySelector('[data-info="dev-log-controls"]'), devLog);
    }
}

class UnifiedPanelManager extends BaseModule {
    constructor(context) {
        super(context, 'UnifiedPanelManager');
        this.hostElement = null;
        this.infoUpdateInterval = null;
        this.elements = {};
    }

    _clearGestureTimer(timer) {
        if (timer) {
            clearTimeout(timer);
        }
        return null;
    }

    _bindGestureStart(clearState, setState) {
        document.addEventListener(
            'touchstart',
            (e) => {
                if (e.touches.length === 2) {
                    const timer = setTimeout(() => {
                        this.show();
                        if (navigator.vibrate) {
                            navigator.vibrate(50);
                        }
                    }, 1000);
                    setState(timer, e.touches[0].clientX, e.touches[0].clientY);
                } else {
                    clearState();
                }
            },
            { capture: true, passive: true }
        );
    }

    _bindGestureMove(getState, clearState) {
        document.addEventListener(
            'touchmove',
            (e) => {
                const state = getState();
                if (
                    state.timer &&
                    (Math.abs(e.touches[0].clientX - state.startX) > 20 ||
                     Math.abs(e.touches[0].clientY - state.startY) > 20)
                ) {
                    clearState();
                }
            },
            { capture: true, passive: true }
        );
    }

    _bindGestureEnd(clearState) {
        ['touchend', 'touchcancel'].forEach((evt) =>
                                            document.addEventListener(evt, clearState, {
            capture: true,
            passive: true,
        })
                                           );
    }

    initGesture() {
        let timer = null,
            startX,
            startY;
        const clearState = () => {
            timer = this._clearGestureTimer(timer);
        };
        const setState = (nextTimer, x, y) => {
            timer = nextTimer;
            startX = x;
            startY = y;
        };
        const getState = () => ({ timer, startX, startY });
        this._bindGestureStart(clearState, setState);
        this._bindGestureMove(getState, clearState);
        this._bindGestureEnd(clearState);
    }

    _preventHostPenetration(e) {
        e.stopPropagation();
        if (e.type === 'contextmenu') {
            e.preventDefault();
        }
    }

    _bindHostPenetrationGuard() {
        [
            'touchstart',
            'touchmove',
            'touchend',
            'mousedown',
            'mousemove',
            'mouseup',
            'click',
            'dblclick',
            'contextmenu',
            'wheel',
        ].forEach((evt) => {
            this.hostElement.addEventListener(evt, (e) => this._preventHostPenetration(e), {
                passive: false,
            });
        });
    }

    _mountHostElement() {
        if (document.body) {
            document.body.appendChild(this.hostElement);
        } else {
            window.addEventListener('DOMContentLoaded', () => document.body.appendChild(this.hostElement), {
                once: true,
            });
        }
    }

    _createHeader() {
        return DomUtils.create('div', { className: 'panel-header' }, [
            DomUtils.create('div', { className: 'title-bar' }, [
                DomUtils.create('h3', { innerHTML: `💡 ${CONSTANTS.SCRIPT_NAME}` }),
                DomUtils.create('button', {
                    className: 'close-btn',
                    title: '关闭',
                    textContent: '×',
                }),
            ]),
        ]);
    }

    _createNav() {
        return DomUtils.create(
            'div',
            { className: 'dmz-panel-nav' },
            UnifiedPanelFactoryUtils.createButtons(UnifiedPanelDescriptors.NAV_ITEMS)
        );
    }

    _createContent() {
        const content = DomUtils.create('div', {
            className: 'dmz-unified-panel-content',
        });
        const diagnosticsPane = DomUtils.create('div', { id: 'pane-diagnostics', className: 'dmz-panel-pane' }, [
            this.context.infoPanelManager.generateDiagnosticsContent(),
        ]);
        const settingsPane = DomUtils.create('div', { id: 'pane-settings', className: 'dmz-panel-pane' }, [
            this.context.settingsUI.generateSettingsContent(),
        ]);
        content.append(diagnosticsPane, settingsPane);
        return content;
    }

    _createFooter() {
        return DomUtils.create(
            'div',
            { className: 'dmz-unified-panel-footer' },
            UnifiedPanelFactoryUtils.createButtons(UnifiedPanelDescriptors.FOOTER_ITEMS)
        );
    }

    _cacheElements(shadowRoot, wrapper, footer) {
        this.elements = {
            shadowRoot,
            wrapper,
            footer,
            navBtnDiagnostics: shadowRoot.querySelector('#nav-btn-diagnostics'),
            navBtnSettings: shadowRoot.querySelector('#nav-btn-settings'),
            paneDiagnostics: shadowRoot.querySelector('#pane-diagnostics'),
            paneSettings: shadowRoot.querySelector('#pane-settings'),
            saveBtn: shadowRoot.querySelector('#dmz-settings-save-btn'),
            resetBtn: shadowRoot.querySelector('#dmz-settings-reset-btn'),
            closeBtn: shadowRoot.querySelector('.close-btn'),
            addToBlacklistBtn: shadowRoot.querySelector('#add-to-blacklist-btn'),
        };
    }

    create() {
        if (this.hostElement) {
            return;
        }
        this.hostElement = this._createUnifiedPanelHost();
        const shadowRoot = this._createUnifiedPanelShadowRoot();
        const wrapper = this._createUnifiedPanelWrapper();
        shadowRoot.appendChild(wrapper);
        const footer = wrapper.querySelector('.dmz-unified-panel-footer');
        this._cacheElements(shadowRoot, wrapper, footer);
        this.bindEvents();
    }

    _createUnifiedPanelHost() {
        const host = DomUtils.create('div', { id: 'dmz-unified-panel-host' });
        this.hostElement = host;
        this._bindHostPenetrationGuard();
        this._mountHostElement();
        return host;
    }

    _createUnifiedPanelShadowRoot() {
        const shadowRoot = this.hostElement.attachShadow({ mode: 'closed' });
        shadowRoot.appendChild(DomUtils.create('style', { textContent: CSS.PANEL }));
        return shadowRoot;
    }

    _createUnifiedPanelWrapper() {
        const wrapper = DomUtils.create('div', {
            className: 'dmz-unified-panel-wrapper',
        });
        wrapper.append(
            this._createHeader(),
            this._createNav(),
            this._createContent(),
            this._createFooter()
        );
        return wrapper;
    }

    _bindPaneSwitchEvents() {
        this.elements.closeBtn.addEventListener('click', () => this.hide());
        this.elements.navBtnDiagnostics.addEventListener('click', () => this.switchToPane('diagnostics'));
        this.elements.navBtnSettings.addEventListener('click', () => this.switchToPane('settings'));
    }

    _bindSaveEvent() {
        this.elements.saveBtn.addEventListener('click', async () => {
            const newConfig = this.context.settingsUI.saveDataFromUI(this.elements.shadowRoot);
            await this.context.settingsManager.save(newConfig);
            DomUtils.showButtonFeedback(this.elements.saveBtn, {
                successText: '✔ 已保存!',
                successBgColor: '#28a745',
            });
            this.context.frameCommunicator.showNotification('设置已保存并应用。');
        });
    }

    _bindResetEvent() {
        this.elements.resetBtn.addEventListener('click', async () => {
            if (window.confirm('您确定要将所有设置恢复为默认值吗？此操作不可撤销。')) {
                const newConfig = await this.context.settingsManager.reset();
                this.context.settingsUI.loadDataToUI(this.elements.shadowRoot, newConfig);
            }
        });
    }

    _bindBlacklistEvent() {
        if (!this.elements.addToBlacklistBtn) {
            return;
        }
        this.elements.addToBlacklistBtn.addEventListener('click', () => {
            const blTextarea = this.elements.shadowRoot.querySelector('#site-blacklist-input');
            const hostName = window.location.hostname;
            const list = blTextarea.value
            .split('\n')
            .map((s) => s.trim())
            .filter(Boolean);
            if (list.includes(hostName)) {
                return this.context.frameCommunicator.showNotification(`"${hostName}" 已在黑名单中。`);
            }
            list.push(hostName);
            blTextarea.value = list.join('\n');
            this.context.frameCommunicator.showNotification(
                `已将 "${hostName}" 添加到黑名单。保存后将在所有页面生效。`
            );
        });
    }

    _toggleCollapsibleLog(collapsibleHeader) {
        const content = collapsibleHeader.nextElementSibling;
        if (content && content.classList.contains('log-collapsed-content')) {
            const isVisible = content.style.display !== 'none';
            content.style.display = isVisible ? 'none' : 'block';
            const icon = collapsibleHeader.querySelector('strong');
            if (isVisible) {
                icon.textContent = icon.textContent.replace('[-]', '[+]').replace('收起', '展开');
            } else {
                icon.textContent = icon.textContent.replace('[+]', '[-]').replace('展开', '收起');
            }
        }
    }

    _bindContentToggleEvent() {
        const contentContainer = this.elements.shadowRoot.querySelector('.dmz-unified-panel-content');
        if (contentContainer) {
            contentContainer.addEventListener('click', (e) => {
                const collapsibleHeader = e.target.closest('.log-collapsible');
                if (!collapsibleHeader) {
                    return;
                }
                this._toggleCollapsibleLog(collapsibleHeader);
            });
        }
    }

    bindEvents() {
        this._bindPaneSwitchEvents();
        this._bindSaveEvent();
        this._bindResetEvent();
        this._bindBlacklistEvent();
        this._bindContentToggleEvent();
    }

    _togglePaneState(isDiagnostics) {
        this.elements.navBtnDiagnostics.classList.toggle('active', isDiagnostics);
        this.elements.paneDiagnostics.classList.toggle('active', isDiagnostics);
        this.elements.navBtnSettings.classList.toggle('active', !isDiagnostics);
        this.elements.paneSettings.classList.toggle('active', !isDiagnostics);
        this.elements.footer.classList.toggle('active', !isDiagnostics);
    }

    _clearInfoUpdateInterval() {
        if (this.infoUpdateInterval) {
            clearInterval(this.infoUpdateInterval);
        }
    }

    _startDiagnosticsRefresh() {
        this.context.infoPanelManager.renderDeveloperLog();
        this.context.infoPanelManager.update();
        this.infoUpdateInterval = Utils.startPollingTask(
            1500,
            () => {
                this.context.infoPanelManager.update();
                this.context.infoPanelManager.renderDeveloperLog();
                return true;
            },
            'Diagnostics refresh failed:'
        );
    }

    switchToPane(paneName) {
        const isDiagnostics = paneName === 'diagnostics';
        this._togglePaneState(isDiagnostics);
        this._clearInfoUpdateInterval();
        if (isDiagnostics) {
            this._startDiagnosticsRefresh();
        }
    }

    _applyShowState() {
        this.hostElement.classList.add(CONSTANTS.CLASSES.VISIBLE);
        document.documentElement.style.overflow = 'hidden';
        document.body.style.overflow = 'hidden';
    }

    _applyHideState() {
        if (this.hostElement) {
            this.hostElement.classList.remove(CONSTANTS.CLASSES.VISIBLE);
        }
        document.documentElement.style.overflow = '';
        document.body.style.overflow = '';
        this._clearInfoUpdateInterval();
    }

    show() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        if (!this.hostElement) {
            this.create();
        }
        this._applyShowState();
        this.context.settingsUI.loadDataToUI(
            this.elements.shadowRoot,
            this.context.settingsManager.config
        );
        this.switchToPane('diagnostics');
    }

    hide() {
        this._applyHideState();
    }
}

class Draggable extends BaseModule {
    constructor(context, element, handles, playerManager) {
        super(context, 'Draggable');
        this.element = element;
        this.handles = handles;
        this.playerManager = playerManager;
        this.isDragging = false;
        this.dragStartPos = { x: 0, y: 0 };
        this.elementStartPos = { x: 0, y: 0 };

        this.boundHandleDragStart = this.handleDragStart.bind(this);
        this.boundHandleDragMove = this.handleDragMove.bind(this);
        this.boundHandleDragEnd = this.handleDragEnd.bind(this);
        this.addListeners();
    }

    addListeners() {
        this.handles.forEach((h) =>
                             h.addEventListener('pointerdown', this.boundHandleDragStart, {
            capture: true,
        })
                            );
    }

    destroy() {
        this.removeDragListeners();
        this.handles.forEach((h) =>
                             h.removeEventListener('pointerdown', this.boundHandleDragStart, {
            capture: true,
        })
                            );
        this.element = null;
    }

    removeDragListeners() {
        document.removeEventListener('pointermove', this.boundHandleDragMove, {
            capture: true,
        });
        document.removeEventListener('pointerup', this.boundHandleDragEnd, {
            capture: true,
        });
        document.removeEventListener('pointercancel', this.boundHandleDragEnd, {
            capture: true,
        });
    }

    handleDragStart(e) {
        if (!this.element || e.button !== 0) {
            return;
        }
        e.stopPropagation();
        e.preventDefault();
        this.isDragging = true;
        this.playerManager?.showIndicatorPermanently(true);
        this.element.style.transition = 'none';

        const rect = this.element.getBoundingClientRect();
        this.element.style.left = `0px`;
        this.element.style.top = `0px`;
        this.element.style.transform = `translate3d(${rect.left}px, ${rect.top}px, 0)`;

        this.elementStartPos = { x: rect.left, y: rect.top };
        this.dragStartPos = { x: e.clientX, y: e.clientY };

        document.addEventListener('pointermove', this.boundHandleDragMove, {
            capture: true,
        });
        document.addEventListener('pointerup', this.boundHandleDragEnd, {
            capture: true,
        });
        document.addEventListener('pointercancel', this.boundHandleDragEnd, {
            capture: true,
        });
    }

    handleDragMove(e) {
        if (!this.isDragging || !this.element) {
            return;
        }
        e.stopPropagation();
        e.preventDefault();

        let newX = this.elementStartPos.x + (e.clientX - this.dragStartPos.x);
        let newY = this.elementStartPos.y + (e.clientY - this.dragStartPos.y);

        const viewportWidth = window.visualViewport?.width || window.innerWidth;
        const viewportHeight = window.visualViewport?.height || window.innerHeight;
        newX = Math.max(0, Math.min(newX, Math.max(0, viewportWidth - this.element.offsetWidth)));
        newY = Math.max(0, Math.min(newY, Math.max(0, viewportHeight - this.element.offsetHeight)));
        this.element.style.transform = `translate3d(${newX}px, ${newY}px, 0)`;
    }

    handleDragEnd(e) {
        if (!this.isDragging || !this.element) {
            return;
        }
        e.stopPropagation();
        this.isDragging = false;
        this.removeDragListeners();
        this.playerManager?.resetIndicatorTimeout();
        this.element.style.transition = '';

        const matrix = new DOMMatrix(window.getComputedStyle(this.element).transform);
        const finalPos = { top: `${matrix.m42}px`, left: `${matrix.m41}px` };
        this.element.style.left = finalPos.left;
        this.element.style.top = finalPos.top;
        this.element.style.transform = '';
        this.playerManager.isUsingSavedPlayerPosition = true;

        const isVideoVertical =
              this.playerManager.videoElement.videoHeight > this.playerManager.videoElement.videoWidth;
        const videoOrientationKey = isVideoVertical ? 'verticalVideo' : 'horizontalVideo';
        const isPhoneLandscape = screen.orientation.type.includes('landscape');
        const phoneOrientationKey = isPhoneLandscape ? 'landscape' : 'portrait';

        this.context.settingsManager.savePlayerPosition(
            window.location.hostname,
            `${phoneOrientationKey}_${videoOrientationKey}`,
            finalPos
        );
    }
}

class CustomControlsHandler extends BaseModule {
    constructor(context, container, video) {
        super(context, 'CustomControlsHandler');
        this.container = container;
        this.video = video;
        this.eventManager = new EventManager();
        this.hideTimeout = null;
        this.isSeeking = false;
        this.lastKnownVolumeBeforeMute = 1.0;
        this._bindControlHandlers();
        this.controlActions = this._createControlActions();
    }

    _bindControlHandlers() {
        this.boundHandleVolumeChange = this.handleVolumeChange.bind(this);
        this.boundHandleTimeUpdate = this.handleTimeUpdate.bind(this);
        this.boundHandleDurationChange = this.handleDurationChange.bind(this);
        this.boundHandleProgress = this.handleProgress.bind(this);
        this.boundOnPlay = this.onPlay.bind(this);
        this.boundOnPause = this.onPause.bind(this);
        this.boundHandleTap = this.handleTap.bind(this);
        this.boundResetHideTimeout = this.resetHideTimeout.bind(this);
        this.boundHideControls = this.hideControls.bind(this);
    }

    _createControlActions() {
        return {
            '.dmz-big-play-button': this.togglePlay.bind(this),
            '.dmz-fullscreen-btn': this.toggleFullscreen.bind(this),
            '.dmz-mute-btn': this.toggleMute.bind(this),
            '.dmz-more-btn': this.toggleMoreMenu.bind(this),
            '.dmz-pip-btn': this.togglePip.bind(this),
            '.dmz-playback-rate-btn': this.showPlaybackRates.bind(this),
        };
    }

    init() {
        this._cacheElements();
        this.lastKnownVolumeBeforeMute = this.context.settingsManager.config.lastVolume;
        this.addEventListeners();
        this._syncInitialUiState();
        this._applyPipAvailability();
    }

    _cacheElements() {
        this.controlsBar = this.container.querySelector('.dmz-controls-bar');
        this.bigPlayButton = this.container.querySelector('.dmz-big-play-button');
        this.currentTimeEl = this.container.querySelector('.dmz-current-time');
        this.totalTimeEl = this.container.querySelector('.dmz-total-time');
        this.progressBar = this.container.querySelector('.dmz-progress-bar');
        this.playedBar = this.container.querySelector('.dmz-progress-played');
        this.bufferBar = this.container.querySelector('.dmz-progress-buffer');
        this.handle = this.container.querySelector('.dmz-progress-handle');
        this.fullscreenEnterIcon = this.container.querySelector('.dmz-fullscreen-btn .icon-fullscreen-enter');
        this.fullscreenExitIcon = this.container.querySelector('.dmz-fullscreen-btn .icon-fullscreen-exit');
        this.volumeOnIcon = this.container.querySelector('.dmz-mute-btn .icon-volume-on');
        this.volumeOffIcon = this.container.querySelector('.dmz-mute-btn .icon-volume-off');
        this.moreMenu = this.container.querySelector('.dmz-more-menu');
        this.pipBtn = this.container.querySelector('.dmz-pip-btn');
        this.playbackRateBtn = this.container.querySelector('.dmz-playback-rate-btn');
        this.playbackRateValue = this.container.querySelector('.dmz-playback-rate-btn .dmz-menu-item-value');
        this.playbackRatesContainer = this.container.querySelector('.dmz-playback-rates');
    }

    _syncInitialUiState() {
        this.updatePlayButton();
        this.updateFullscreenButton();
        this.updateMuteButton();
    }

    _applyPipAvailability() {
        if (!document.pictureInPictureEnabled && this.pipBtn) {
            this.pipBtn.style.display = 'none';
        }
    }

    addEventListeners() {
        this.bindMediaEvents();
        this.bindUiEvents();
    }

    bindMediaEvents() {
        this.eventManager.add(this.video, 'play', this.boundOnPlay);
        this.eventManager.add(this.video, 'pause', this.boundOnPause);
        this.eventManager.add(this.video, 'volumechange', this.boundHandleVolumeChange);
        this.eventManager.add(this.video, 'timeupdate', this.boundHandleTimeUpdate);
        this.eventManager.add(this.video, 'durationchange', this.boundHandleDurationChange);
        this.eventManager.add(this.video, 'progress', this.boundHandleProgress);
    }

    bindUiEvents() {
        this.eventManager.add(this.container, 'mousemove', this.boundResetHideTimeout);
        const shield = (e) => e.stopPropagation();
        if (this.controlsBar) {
            this.eventManager.add(this.controlsBar, 'pointerdown', shield, {
                capture: true,
            });
        }
        if (this.controlsBar) {
            this.eventManager.add(this.controlsBar, 'click', this.boundHandleTap, {
                capture: true,
            });
        }
        if (this.bigPlayButton) {
            this.eventManager.add(this.bigPlayButton, 'click', this.boundHandleTap, { capture: true });
        }
    }

    destroy() {
        this.eventManager.removeAll();
        clearTimeout(this.hideTimeout);
    }

    handleTap(e) {
        e.stopPropagation();
        this.handleTapOnControl(e.target);
    }

    onPlay() {
        this.updatePlayButton();
        this.syncDiagnosticsOnPlay();
        this.syncNeutralizedMediaForCurrentSource();
    }

    syncDiagnosticsOnPlay() {
        const { playerManager, diagnosticsTool } = this.context;
        if (playerManager.currentVideoType === 'normal') {
            diagnosticsTool.playbackHealth.media.status = 'success';
        } else if (diagnosticsTool.playbackHealth.media.status === 'pending') {
            diagnosticsTool.playbackHealth.media.status = 'success';
        }
    }

    resolveMediaUrlCore(url) {
        try {
            return new URL(url).pathname;
        } catch (e) {
            return url;
        }
    }

    syncNeutralizedMediaForCurrentSource() {
        const { playerManager, coreLogic } = this.context;
        const currentPlayingUrl = playerManager.currentVideoUrl;
        if (!currentPlayingUrl) {
            return;
        }

        const playingUrlCore = this.resolveMediaUrlCore(currentPlayingUrl);
        coreLogic.findAllVideosAndAudioInPage().forEach((media) => {
            if (media.id === CONSTANTS.IDS.PLAYER || !media.dataset.dmzNeutralized) {
                return;
            }
            const originalSrc = media.dataset.dmzOriginalSrc;
            if (originalSrc && this.resolveMediaUrlCore(originalSrc) === playingUrlCore) {
                coreLogic.neutralizedMedia.add(media);
                coreLogic.startPersistentEnforcer();
            }
        });
    }

    onPause() {
        this.updatePlayButton();
    }

    handleTapOnControl(targetElement) {
        if (!targetElement) {
            return false;
        }
        const actionKey = Object.keys(this.controlActions).find((selector) => targetElement.closest(selector));
        if (actionKey) {
            this.controlActions[actionKey]();
            return true;
        }
        const rateButton = targetElement.closest('[data-rate]');
        if (rateButton) {
            this.setPlaybackRate(parseFloat(rateButton.dataset.rate));
            return true;
        }
        return false;
    }

    toggleMoreMenu() {
        const isVisible = DomUtils.toggleVisibility(this.moreMenu);
        if (isVisible) {
            DomUtils.toggleVisibility(this.playbackRatesContainer, false);
            if (this.pipBtn) {
                this.pipBtn.style.display = document.pictureInPictureEnabled ? 'flex' : 'none';
            }
            if (this.playbackRateBtn) {
                this.playbackRateBtn.style.display = 'flex';
            }
        }
    }

    hideMoreMenu() {
        DomUtils.toggleVisibility(this.moreMenu, false);
    }

    togglePip() {
        this.hideMoreMenu();
        if (!document.pictureInPictureElement) {
            this.video
                .requestPictureInPicture()
                .catch((e) => this.log(`请求画中画失败:${e.message}`, CONSTANTS.LOG_TYPES.ERROR));
        } else {
            document.exitPictureInPicture();
        }
    }

    showPlaybackRates() {
        if (!this.playbackRatesContainer || !this.playbackRateBtn) {
            return;
        }
        if (this.pipBtn) {
            this.pipBtn.style.display = 'none';
        }
        if (this.playbackRateBtn) {
            this.playbackRateBtn.style.display = 'none';
        }
        DomUtils.toggleVisibility(this.playbackRatesContainer, true);
    }

    setPlaybackRate(rate) {
        this.video.playbackRate = rate;
        if (this.playbackRateValue) {
            this.playbackRateValue.textContent = rate === 1.0 ? '正常' : `${rate}x`;
        }
        if (this.playbackRatesContainer) {
            this.playbackRatesContainer.querySelector('.active')?.classList.remove('active');
            this.playbackRatesContainer.querySelector(`[data-rate="${rate}"]`)?.classList.add('active');
        }
        this.hideMoreMenu();
    }

    toggleControlsVisibility() {
        clearTimeout(this.hideTimeout);
        this.hideMoreMenu();
        if (this.controlsBar?.classList.contains(CONSTANTS.CLASSES.HIDDEN)) {
            this.resetHideTimeout();
        } else {
            this.hideControls();
        }
    }

    updateSeekUI(clientX) {
        if (!this.progressBar || !this.video?.duration) {
            return;
        }
        const rect = this.progressBar.getBoundingClientRect();
        if (rect.width === 0) {
            return;
        }

        let pos = (clientX - rect.left) / rect.width;
        pos = Math.max(0, Math.min(1, pos));
        const newTime = pos * this.video.duration;
        if (isNaN(newTime)) {
            return;
        }

        const percentage = pos * 100;
        if (this.playedBar) {
            this.playedBar.style.width = `${percentage}%`;
        }
        if (this.handle) {
            this.handle.style.left = `${percentage}%`;
        }
        if (this.currentTimeEl) {
            this.currentTimeEl.textContent = Utils.formatTime(newTime);
        }
        return newTime;
    }

    togglePlay() {
        if (this.video) {
            if (this.video.paused) {
                const promise = this.video.play();
                if (promise !== undefined) {
                    promise.catch((e) => console.debug('Playback blocked', e));
                }
            } else {
                this.video.pause();
            }
        }
    }

    toggleFullscreen() {
        this.context.playerManager.fullscreenHandler?.toggleState();
    }

    toggleMute() {
        if (!this.video) {
            return;
        }
        if (this.video.muted || this.video.volume === 0) {
            this.video.volume = this.lastKnownVolumeBeforeMute > 0.05 ? this.lastKnownVolumeBeforeMute : 0.5;
            this.video.muted = false;
        } else {
            this.video.muted = true;
        }
        this.context.settingsManager.save({ isMuted: this.video.muted }, false);
    }

    handleVolumeChange() {
        this.updateMuteButton();
        const effectivelyMuted = this.video.muted || this.video.volume === 0;
        if (effectivelyMuted) {
            this.context.settingsManager.save({ isMuted: true }, false);
        } else {
            this.lastKnownVolumeBeforeMute = this.video.volume;
            this.context.settingsManager.save({ lastVolume: this.video.volume, isMuted: false }, false);
        }
    }

    updatePlayButton() {
        const bigPlayButton = this.container.querySelector('.dmz-big-play-button');
        const bigPlayButtonContainer = this.container.querySelector('.dmz-big-play-button-container');
        if (!bigPlayButton) {
            return;
        }

        if (this.video.paused) {
            bigPlayButton.innerHTML = ICONS.BIG_PLAY;
            if (bigPlayButtonContainer) {
                bigPlayButtonContainer.style.opacity = '1';
            }
        } else {
            bigPlayButton.innerHTML = ICONS.BIG_PAUSE.replace(
                /^<svg[^>]+>/,
                '<svg class="icon-pause-fixed" viewBox="0 0 24 24">'
            );
            if (bigPlayButtonContainer) {
                bigPlayButtonContainer.style.opacity = '';
            }
        }
    }

    updateFullscreenButton() {
        const isFullscreen = !!document.fullscreenElement;
        DomUtils.toggleIcon(isFullscreen ? this.fullscreenExitIcon : this.fullscreenEnterIcon, [
            isFullscreen ? this.fullscreenEnterIcon : this.fullscreenExitIcon,
        ]);
    }

    updateMuteButton() {
        const isMuted = this.video.muted || this.video.volume === 0;
        DomUtils.toggleIcon(isMuted ? this.volumeOffIcon : this.volumeOnIcon, [
            isMuted ? this.volumeOnIcon : this.volumeOffIcon,
        ]);
    }

    handleTimeUpdate() {
        if (this.isSeeking || !isFinite(this.video.duration)) {
            return;
        }
        requestAnimationFrame(() => {
            if (this.video && this.playedBar && this.handle && this.currentTimeEl) {
                const percentage = (this.video.currentTime / this.video.duration) * 100;
                this.playedBar.style.width = `${percentage}%`;
                this.handle.style.left = `${percentage}%`;
                this.currentTimeEl.textContent = Utils.formatTime(this.video.currentTime);
            }
        });
    }

    handleDurationChange() {
        if (this.totalTimeEl) {
            this.totalTimeEl.textContent = Utils.formatTime(this.video.duration);
        }
    }

    handleProgress() {
        if (this.video.duration > 0 && this.video.buffered.length > 0 && this.bufferBar) {
            this.bufferBar.style.width = `${(this.video.buffered.end(this.video.buffered.length - 1) / this.video.duration) * 100}%`;
        }
    }

    showControls() {
        this.controlsBar?.classList.remove(CONSTANTS.CLASSES.HIDDEN);
        this.container.classList.add('dmz-controls-visible');
    }

    hideControls() {
        if (this.isSeeking) {
            return;
        }
        this.controlsBar?.classList.add(CONSTANTS.CLASSES.HIDDEN);
        this.container.classList.remove('dmz-controls-visible');
        this.hideMoreMenu();
    }

    resetHideTimeout() {
        this.showControls();
        clearTimeout(this.hideTimeout);
        this.hideTimeout = setTimeout(this.boundHideControls, 1500);
    }
}

class FullscreenGestureHandler extends BaseModule {
    constructor(context, container, video) {
        super(context, 'FullscreenGestureHandler');
        this.container = container;
        this.video = video;
        this.isEnabled = false;
        this._cacheGestureElements(container);
        this._resetGestureState();
    }

    _cacheGestureElements(container) {
        this.indicator = container.querySelector('.dmz-gesture-indicator-wrapper');
        this.indicatorIconContainer = this.indicator?.querySelector('.dmz-indicator-icon');
        this.indicatorText = this.indicator?.querySelector('.dmz-indicator-text');
        this.brightnessOverlay = container.querySelector('.dmz-brightness-overlay');
        this.brightnessIndicator = container.querySelector('.dmz-side-indicator-container.left');
        this.brightnessFill = this.brightnessIndicator?.querySelector('.dmz-side-indicator-fill');
        this.volumeIndicator = container.querySelector('.dmz-side-indicator-container.right');
        this.volumeFill = this.volumeIndicator?.querySelector('.dmz-side-indicator-fill');
    }

    _resetGestureState() {
        this.isSwiping = false;
        this.swipeType = null;
        this.startX = 0;
        this.startY = 0;
        this.startCurrentTime = 0;
        this.startVolume = 0;
        this.startBrightness = 0;
        this.hideIndicatorTimeout = null;
        this.longPressTimer = null;
        this.isFastForwarding = false;
        this.originalPlaybackRate = 1.0;
        this.lastTapTime = 0;
    }

    deactivate() {
        clearTimeout(this.longPressTimer);
        clearTimeout(this.hideIndicatorTimeout);
    }

    enable() {
        this.isEnabled = true;
    }

    disable() {
        this.isEnabled = false;
    }

    onPointerDown(e) {
        this.isSwiping = false;
        this.swipeType = null;
        this.startX = e.clientX;
        this.startY = e.clientY;
        this.startCurrentTime = this.video.currentTime;
        this.startVolume = this.video.volume;
        this.startBrightness = this.brightnessOverlay ? parseFloat(this.brightnessOverlay.style.opacity) || 0 : 0;

        clearTimeout(this.longPressTimer);
        this.longPressTimer = setTimeout(() => {
            if (!this.isSwiping) {
                this.activateFastForward();
            }
        }, CONSTANTS.LIMITS.LONG_PRESS_DURATION_MS);
    }

    onPointerMove(e) {
        const deltaX = e.clientX - this.startX;
        const deltaY = e.clientY - this.startY;
        this._startSwipeIfNeeded(deltaX, deltaY);
        if (!this.isSwiping) {
            return;
        }
        this._resolveSwipeType(deltaX, deltaY);
        this._applySwipeAction(deltaX, deltaY);
    }

    _startSwipeIfNeeded(deltaX, deltaY) {
        if (this.isSwiping || (Math.abs(deltaX) <= 10 && Math.abs(deltaY) <= 10)) {
            return;
        }
        clearTimeout(this.longPressTimer);
        this.isSwiping = true;
        this.volumeFill?.classList.remove('transition-active');
        this.brightnessFill?.classList.remove('transition-active');
    }

    _resolveSwipeType(deltaX, deltaY) {
        if (this.swipeType) {
            return;
        }
        const absDeltaX = Math.abs(deltaX);
        const absDeltaY = Math.abs(deltaY);
        if (absDeltaX > absDeltaY * 2.0) {
            this.swipeType = 'progress';
            return;
        }
        if (absDeltaY > absDeltaX * 2.0) {
            const playerRect = this.container.getBoundingClientRect();
            this.swipeType = this.startX < playerRect.left + playerRect.width / 2 ? 'brightness' : 'volume';
        }
    }

    _applySwipeAction(deltaX, deltaY) {
        const yAdjustment = (deltaY * 3.0) / window.innerHeight;
        switch (this.swipeType) {
            case 'progress':
                this._handleProgressSwipe(deltaX);
                break;
            case 'volume':
                this._handleVolumeSwipe(yAdjustment);
                break;
            case 'brightness':
                this._handleBrightnessSwipe(yAdjustment);
                break;
        }
    }

    _handleProgressSwipe(deltaX) {
        if (!isFinite(this.video.duration)) {
            return;
        }
        const newTime = this.startCurrentTime + (deltaX / window.innerWidth) * (this.video.duration * 0.15);
        this.video.currentTime = Math.max(0, Math.min(newTime, this.video.duration));
        this.context.playerManager.customControlsHandler?.handleTimeUpdate();
        this.showIndicator(
            deltaX > 0 ? 'progress' : 'rewind',
            `${Utils.formatTime(this.video.currentTime)} (${Math.round((this.video.currentTime / this.video.duration) * 100)}%)`
            );
    }

    _handleVolumeSwipe(yAdjustment) {
        const newVolume = Math.max(0, Math.min(this.startVolume - yAdjustment, 1));
        if (newVolume > 0 && this.video.muted) {
            this.video.muted = false;
        }
        this.video.volume = newVolume;
        this.showIndicator('volume', null, this.video.volume * 100);
    }

    _handleBrightnessSwipe(yAdjustment) {
        if (!this.brightnessOverlay) {
            return;
        }
        const newBrightness = this.startBrightness + yAdjustment;
        this.brightnessOverlay.style.opacity = Math.max(0, Math.min(newBrightness, 0.8));
        this.showIndicator('brightness', null, (1 - parseFloat(this.brightnessOverlay.style.opacity) / 0.8) * 100);
    }

    onPointerUp(e) {
        this._restoreSwipeTransitionState();
        clearTimeout(this.longPressTimer);

        if (this.isFastForwarding) {
            this.deactivateFastForward();
        } else if (this.isSwiping) {
            this.hideIndicator();
        } else {
            this._handleTapRelease(e);
        }
        this.isSwiping = false;
        this.swipeType = null;
    }

    _restoreSwipeTransitionState() {
        this.volumeFill?.classList.add('transition-active');
        this.brightnessFill?.classList.add('transition-active');
    }

    _handleTapRelease(e) {
        const { customControlsHandler } = this.context.playerManager;
        if (e.target.closest('.dmz-big-play-button')) {
            customControlsHandler?.togglePlay();
            return;
        }
        const now = Date.now();
        if (now - this.lastTapTime < 300) {
            customControlsHandler?.toggleFullscreen();
            this.lastTapTime = 0;
            return;
        }
        this.lastTapTime = now;
        this._restoreStrategicMute(customControlsHandler);
        customControlsHandler?.toggleControlsVisibility();
    }

    _restoreStrategicMute(customControlsHandler) {
        if (this.video.dataset.dmzStrategicMute !== 'true') {
            return;
        }
        this.video.muted = false;
        this.log('首次交互，已自动恢复声音。', CONSTANTS.LOG_TYPES.PLAYER);
        customControlsHandler?.updateMuteButton();
        delete this.video.dataset.dmzStrategicMute;
    }

    activateFastForward() {
        if (!this.video || this.isFastForwarding) {
            return;
        }
        const longPressRate = this.context.settingsManager.config.longPressRate || 2.0;
        this.isFastForwarding = true;
        this.originalPlaybackRate = this.video.playbackRate;
        this.video.playbackRate = longPressRate;
        this.showIndicator('progress', `${longPressRate}x 倍速播放`);
        this.context.playerManager.customControlsHandler?.hideControls();
        this.context.playerManager.showIndicatorPermanently(false);
        this.log(`长按倍速已激活`, CONSTANTS.LOG_TYPES.PLAYER);
    }

    deactivateFastForward() {
        if (!this.video || !this.isFastForwarding) {
            return;
        }
        this.isFastForwarding = false;
        this.video.playbackRate = this.originalPlaybackRate;
        this._hideAllIndicators();
        this.log(`长按倍速已结束，恢复原速`, CONSTANTS.LOG_TYPES.PLAYER);
    }

    _hideAllIndicators() {
        this.indicator?.classList.remove(CONSTANTS.CLASSES.VISIBLE);
        this.brightnessIndicator?.classList.remove(CONSTANTS.CLASSES.VISIBLE);
        this.volumeIndicator?.classList.remove(CONSTANTS.CLASSES.VISIBLE);
    }

    _updateSideIndicator(indicator, fill, value) {
        if (!indicator || !fill) {
            return;
        }
        indicator.classList.add(CONSTANTS.CLASSES.VISIBLE);
        fill.style.height = `${value}%`;
    }

    showIndicator(type, text, value) {
        clearTimeout(this.hideIndicatorTimeout);
        this._hideAllIndicators();

        if (type === 'brightness') {
            this._updateSideIndicator(this.brightnessIndicator, this.brightnessFill, value);
        } else if (type === 'volume') {
            this._updateSideIndicator(this.volumeIndicator, this.volumeFill, value);
        } else if (this.indicator && this.indicatorIconContainer && this.indicatorText) {
            Array.from(this.indicatorIconContainer?.querySelectorAll('svg') || []).forEach(
                (svg) => (svg.style.display = 'none')
            );
            const icon = this.indicatorIconContainer.querySelector(
                type === 'rewind' ? '.icon-rewind' : `.icon-${type}`
                );
            if (icon) {
                icon.style.display = 'block';
            }
            this.indicatorText.textContent = text;
            this.indicator.classList.add(CONSTANTS.CLASSES.VISIBLE);
        }
    }

    hideIndicator() {
        this.hideIndicatorTimeout = setTimeout(() => this._hideAllIndicators(), 800);
    }
}

class FullscreenHandler extends BaseModule {
    constructor(context, container) {
        super(context, 'FullscreenHandler');
        this.containerElement = container;
        this.eventManager = new EventManager();
        this.onFullscreenChange = this.onFullscreenChange.bind(this);
        this.eventManager.add(document, 'fullscreenchange', this.onFullscreenChange);
    }

    destroy() {
        this.eventManager.removeAll();
    }

    onFullscreenChange() {
        this.context.playerManager.customControlsHandler?.updateFullscreenButton();
        this.context.playerManager.customControlsHandler?.resetHideTimeout();
    }

    async toggleState() {
        if (document.fullscreenElement) {
            await this.exitFullscreen();
        } else {
            await this.enterFullscreen();
        }
    }

    async enterFullscreen() {
        try {
            await this.containerElement?.requestFullscreen();
        } catch (e) {
            this.log(`全屏失败:${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
        }
    }

    async exitFullscreen() {
        if (document.fullscreenElement) {
            await document.exitFullscreen();
        }
    }
}

const PLAYER_RENDERABLE_SIGNAL_EVENTS = [
    'loadedmetadata',
    'loadeddata',
    'durationchange',
    'resize',
    'canplay',
    'playing',
    'progress',
];
const PLAYER_REVEAL_TRIGGER_EVENTS = PLAYER_RENDERABLE_SIGNAL_EVENTS.filter(
    (eventName) => eventName !== 'progress'
);
const PLAYER_MEDIA_HEALTH_SUCCESS_EVENTS = ['loadedmetadata', 'loadeddata', 'canplay'];
const PLAYER_POINTER_EVENT_BINDINGS = [
    ['pointermove', 'boundHandlePointerMove'],
    ['pointerup', 'boundHandlePointerUp'],
    ['pointercancel', 'boundHandlePointerUp'],
];

const PlayerBindingHelpers = {
    core: PlayerBindingCore,
    createCleanupBag() {
        return PlayerBindingRuntimeUtils.createCleanupBag();
    },

    clearTimer(timerId) {
        return TimingUtils.clear(timerId);
    },

    cancelVideoFrameCallback(video, frameCallbackId) {
        return PlayerBindingRuntimeUtils.cancelVideoFrameCallback(video, frameCallbackId);
    },

    bindVideoSignalListeners(video, eventNames, cleanupFns, onSignal) {
        this.core.bindVideoListeners(video, eventNames, cleanupFns, onSignal);
    },

    bindVideoErrorOnce(video, cleanupFns, onError) {
        PlayerBindingRuntimeUtils.bindVideoErrorOnce(video, cleanupFns, onError);
    },

    bindFirstMatchingVideoSignal(video, eventNames, cleanupFns, onSignal, listenerOptions = { once: true }) {
        PlayerBindingRuntimeUtils.bindFirstMatchingVideoSignal(
            video,
            eventNames,
            cleanupFns,
            onSignal,
            listenerOptions
        );
    },

    startVideoFrameLoop(video, onFrame, storeId, shouldContinue) {
        PlayerBindingRuntimeUtils.startVideoFrameLoop(video, onFrame, storeId, shouldContinue);
    },

    toggleDocumentPointerEvents(manager, operation) {
        PlayerBindingRuntimeUtils.toggleDocumentPointerEvents(manager, operation, PLAYER_POINTER_EVENT_BINDINGS);
    },
};

class PlayerManager extends BaseModule {
    constructor(context) {
        super(context, 'PlayerManager');
        this._initializePlayerRuntimeFields();
        this._bindPlayerHandlers();
    }

    _initializePlayerRuntimeFields() {
        this.hostElement = null;
        this.shadowRoot = null;
        this.videoElement = null;
        this.hlsInstance = null;
        this.draggableInstance = null;
        this.fullscreenGestureHandler = null;
        this.customControlsHandler = null;
        this.fullscreenHandler = null;
        this.isPlayerActiveOrInitializing = false;
        this.isInternalRequest = false;
        this.currentVideoType = null;
        this.currentVideoUrl = null;
        this.currentVideoFormat = null;
        this.currentPlaybackEngine = null;
        this.lastM3u8Content = '';
        this.currentRequestUrl = null;
        this.originalPlayerStyle = null;
        this.dragHandles = [];
        this.indicatorHideTimeout = null;
        this.currentVideoResolution = null;
        this.viewportClampTaskToken = 0;
        this.isUsingSavedPlayerPosition = false;
        this.lastAlignedTop = undefined;
    }

    _bindPlayerHandlers() {
        this.boundHandleOrientationChange = this._handleOrientationChange.bind(this);
        this.boundHandleViewportChange = this._handleViewportChange.bind(this);
        this.boundHandlePointerDown = this.handlePointerDown.bind(this);
        this.boundHandlePointerMove = this.handlePointerMove.bind(this);
        this.boundHandlePointerUp = this.handlePointerUp.bind(this);
    }

    showIndicatorPermanently(visible) {
        clearTimeout(this.indicatorHideTimeout);
        this.dragHandles.forEach((h) => h.classList.toggle('dmz-indicator-visible', visible));
    }

    resetIndicatorTimeout() {
        this.showIndicatorPermanently(true);
        this.indicatorHideTimeout = setTimeout(() => {
            this.dragHandles.forEach((h) => h.classList.remove('dmz-indicator-visible'));
        }, 1000);
    }

    async createBasePlayerContainer() {
        this.log('创建播放器基础容器...', CONSTANTS.LOG_TYPES.PLAYER);
        this.cleanup(true);
        await this._mountPlayerHost();
        const { actualVideo, videoWrapper, container } = this._createPlayerDomParts();
        this.videoElement = actualVideo;
        this.shadowRoot.appendChild(container);
        this.initializePlayerModules(videoWrapper, actualVideo);
        this._bindWrapperPointerdown(videoWrapper);
        this.log('所有模块初始化完成。', CONSTANTS.LOG_TYPES.PLAYER);
        return { video: actualVideo, videoWrapper };
    }

    async _mountPlayerHost() {
        this.hostElement = this.createHostElement();
        window.addEventListener('orientationchange', this.boundHandleOrientationChange);
        window.addEventListener('resize', this.boundHandleViewportChange);
        window.visualViewport?.addEventListener('resize', this.boundHandleViewportChange);
        await this.ensureBodyReady();
        document.body.appendChild(this.hostElement);
        this.shadowRoot = this.hostElement.attachShadow({ mode: 'closed' });
        this.context.styleManager.injectPlayerStyles(this.shadowRoot);
    }

    _createPlayerDomParts() {
        const closeButton = this.createCloseButton();
        const actualVideo = this.createPlayerVideoElement();
        const videoWrapper = this.createVideoWrapper(closeButton, actualVideo);
        const container = this.createPlayerShell(videoWrapper);
        return { actualVideo, videoWrapper, container };
    }

    _bindWrapperPointerdown(videoWrapper) {
        videoWrapper.addEventListener('pointerdown', this.boundHandlePointerDown, { capture: true });
    }

    createHostElement() {
        return PlayerDomFactory.createHostElement();
    }

    async ensureBodyReady() {
        if (!document.body) {
            await new Promise((resolve) => window.addEventListener('DOMContentLoaded', resolve, { once: true }));
        }
    }

    createCloseButton() {
        return PlayerDomFactory.createCloseButton(this);
    }

    createPlayerVideoElement() {
        return PlayerDomFactory.createPlayerVideoElement(this);
    }

    applySavedMutePreference(video, savedConfig) {
        PlayerDomFactory.applySavedMutePreference(this, video, savedConfig);
    }

    createVideoWrapper(closeButton, actualVideo) {
        return PlayerDomFactory.createVideoWrapper(this, closeButton, actualVideo);
    }

    bindWrapperActivity(videoWrapper) {
        PlayerDomFactory.bindWrapperActivity(this, videoWrapper);
    }

    createPlayerShell(videoWrapper) {
        return PlayerDomFactory.createPlayerShell(this, videoWrapper);
    }

    initializePlayerModules(videoWrapper, actualVideo) {
        this.draggableInstance = new Draggable(this.context, this.hostElement, this.dragHandles, this);
        this.customControlsHandler = new CustomControlsHandler(this.context, videoWrapper, actualVideo);
        this.customControlsHandler.init();
        this.fullscreenGestureHandler = new FullscreenGestureHandler(this.context, videoWrapper, actualVideo);
        this.fullscreenGestureHandler.enable();
        this.fullscreenHandler = new FullscreenHandler(this.context, videoWrapper);
        this.activeInteraction = null;
    }

    async _applyOrientationLayout() {
        const layoutContext = this._getOrientationLayoutContext();
        if (!layoutContext) {
            return;
        }
        const savedPos = await this.context.settingsManager.loadPlayerPosition(
            window.location.hostname,
            `${layoutContext.phoneOrientationKey}_${layoutContext.videoOrientationKey}`
            );
        if (layoutContext.isPhoneLandscape) {
            this._applyLandscapePlayerLayout(layoutContext, savedPos);
            return;
        }
        this._applyPortraitPlayerLayout(layoutContext, savedPos);
    }

    _getOrientationLayoutContext() {
        if (
            !this.hostElement ||
            !this.videoElement ||
            !this.isPlayerActiveOrInitializing ||
            !this.videoElement.videoWidth
        ) {
            return null;
        }
        const orientationType =
              screen.orientation?.type ?? (Math.abs(window.orientation || 0) === 90 ? 'landscape' : 'portrait');
        const isPhoneLandscape = orientationType.includes('landscape');
        const isVideoVertical = this.videoElement.videoHeight > this.videoElement.videoWidth;
        return {
            isPhoneLandscape,
            isVideoVertical,
            videoOrientationKey: isVideoVertical ? 'verticalVideo' : 'horizontalVideo',
            phoneOrientationKey: isPhoneLandscape ? 'landscape' : 'portrait',
        };
    }

    _applyPortraitPlayerLayout(layoutContext, savedPos) {
        let restored = false;
        if (this.originalPlayerStyle) {
            Object.assign(this.hostElement.style, this.originalPlayerStyle);
            this.originalPlayerStyle = null;
            restored = true;
        }
        this.hostElement.style.width = layoutContext.isVideoVertical ? '60vw' : '100vw';
        this.hostElement.style.height = '';
        if (restored) {
            if (layoutContext.isVideoVertical) {
                this.hostElement.style.left = '20vw';
                this.hostElement.style.transform = '';
            }
            this._scheduleClampPlayerIntoViewport();
            return;
        }
        const usedSavedPosition = this._applyPortraitPlayerPosition(layoutContext.isVideoVertical, savedPos);
        if (!usedSavedPosition) {
            this._scheduleClampPlayerIntoViewport();
        }
    }

    _applyPortraitPlayerPosition(isVideoVertical, savedPos) {
        const fallbackTop = isVideoVertical ? '192px' : '60px';
        const posToUse = (savedPos && savedPos.top) ? savedPos : null;
        const usedSavedPosition = this._applySavedPlayerPosition(posToUse, () => {
            this._setPortraitPlayerFallbackPosition(fallbackTop, isVideoVertical);
        }, isVideoVertical);
        if (this._applyAlignedTopFromVisibleNativePlayer(isVideoVertical)) {
            return false;
        }
        return usedSavedPosition;
    }

    _setPortraitPlayerFallbackPosition(top, isVideoVertical = false) {
        this.hostElement.style.top = top;
        this.hostElement.style.left = isVideoVertical ? '50%' : '0px';
        this.hostElement.style.transform = isVideoVertical ? 'translateX(-50%)' : '';
    }

    _applyLandscapePlayerLayout(layoutContext, savedPos) {
        if (!this.originalPlayerStyle && this.hostElement.classList.contains('dmz-visible')) {
            this.originalPlayerStyle = {
                left: this.hostElement.style.left,
                top: this.hostElement.style.top,
                width: this.hostElement.style.width,
                height: this.hostElement.style.height,
                transform: this.hostElement.style.transform,
            };
        }
        this.log('应用横屏布局。', CONSTANTS.LOG_TYPES.UI);
        this.hostElement.style.transform = '';
        const videoAspectRatio = this.videoElement.videoWidth / this.videoElement.videoHeight;
        if (layoutContext.isVideoVertical) {
            this.hostElement.style.height = 'calc(100vh - 40px)';
            this.hostElement.style.width = `calc((100vh - 40px) * ${videoAspectRatio})`;
        } else {
            const defaultWidth = '45vw';
            this.hostElement.style.width = defaultWidth;
            this.hostElement.style.height = `calc(${defaultWidth} / ${videoAspectRatio})`;
        }
        const usedSavedPosition = this._applyLandscapePlayerPosition(savedPos);
        if (!usedSavedPosition) {
            this._scheduleClampPlayerIntoViewport();
        }
    }

    _applyLandscapePlayerPosition(savedPos) {
        const usedSavedPosition = this._applySavedPlayerPosition(savedPos, () => {
            this._setLandscapePlayerFallbackPosition();
        });
        if (this._applyAlignedTopFromVisibleNativePlayer(this.videoElement.videoHeight > this.videoElement.videoWidth)) {
            return false;
        }
        return usedSavedPosition;
    }

    _applySavedPlayerPosition(savedPos, applyFallback, isVideoVertical = false) {
        if (savedPos) {
            const left = parseFloat(savedPos.left);
            const top = parseFloat(savedPos.top);
            if (this._isSavedPlayerPositionOutOfBounds(left, top)) {
                applyFallback();
                this.isUsingSavedPlayerPosition = false;
                return false;
            }
            this.hostElement.style.top = savedPos.top;
            if (isVideoVertical) {
                this.hostElement.style.left = '50%';
                this.hostElement.style.transform = 'translateX(-50%)';
            } else {
                this.hostElement.style.left = savedPos.left;
                this.hostElement.style.transform = '';
            }
            this.isUsingSavedPlayerPosition = true;
            return true;
        }
        applyFallback();
        this.isUsingSavedPlayerPosition = false;
        return false;
    }

    _setLandscapePlayerFallbackPosition() {
        this.hostElement.style.top = '20px';
        this.hostElement.style.left = '20px';
    }

    _getAlignedTargetAttrText(el) {
        if (!el) {
            return '';
        }
        return [
            el.tagName || '',
            el.id || '',
            typeof el.className === 'string' ? el.className : '',
            el.getAttribute?.('title') || '',
            el.getAttribute?.('aria-label') || '',
            el.getAttribute?.('role') || '',
            el.getAttribute?.('data-role') || '',
            el.getAttribute?.('data-testid') || '',
        ].join(' ').toLowerCase();
    }

    _isBadAlignedContainer(el) {
        if (!el || el.tagName === 'VIDEO' || el.tagName === 'IFRAME') {
            return false;
        }
        const attrText = this._getAlignedTargetAttrText(el);
        if (!attrText) {
            return false;
        }
        if (SHARED_PATTERNS.NEGATIVE_UI_KEYWORDS.test(attrText) || SHARED_PATTERNS.NEGATIVE_PLAYBACK_CONTROLS.test(attrText)) {
            return true;
        }
        return /(menu|links|toolbar|actions?|header|nav|tabs?|scroll|root|icon|button|btn|avatar|profile|comment|share|report|recommend|related|search)/i.test(attrText);
    }

    _getTrueVideoRect(target, rawRect) {
        let trueRect = { top: rawRect.top, left: rawRect.left, width: rawRect.width, height: rawRect.height, right: rawRect.right, bottom: rawRect.bottom };

        let vw = this.videoElement?.videoWidth || 0;
        let vh = this.videoElement?.videoHeight || 0;

        if (!vw || !vh) {
            if (target.tagName === 'VIDEO' && target.videoWidth && target.videoHeight) {
                vw = target.videoWidth;
                vh = target.videoHeight;
            } else if (target.tagName === 'IFRAME') {
                if (target.dataset.dmzVideoWidth && target.dataset.dmzVideoHeight) {
                    vw = parseFloat(target.dataset.dmzVideoWidth);
                    vh = parseFloat(target.dataset.dmzVideoHeight);
                } else {
                    try {
                        const innerVideo = target.contentDocument?.querySelector('video');
                        if (innerVideo && innerVideo.videoWidth && innerVideo.videoHeight) {
                            vw = innerVideo.videoWidth;
                            vh = innerVideo.videoHeight;
                        }
                    } catch (e) {}
                }
            }
        }

        if (!vw || !vh) return trueRect;
        const cRatio = rawRect.width / rawRect.height;
        const vRatio = vw / vh;
        if (Math.abs(cRatio - vRatio) < 0.01) return trueRect;

        if (cRatio > vRatio) {
            const actualWidth = rawRect.height * vRatio;
            const offsetX = (rawRect.width - actualWidth) / 2;
            trueRect.width = actualWidth;
            trueRect.left = rawRect.left + offsetX;
            trueRect.right = trueRect.left + actualWidth;
        } else {
            const actualHeight = rawRect.width / vRatio;
            const offsetY = (rawRect.height - actualHeight) / 2;
            trueRect.height = actualHeight;
            trueRect.top = rawRect.top + offsetY;
            trueRect.bottom = trueRect.top + actualHeight;
        }
        return trueRect;
    }

    _resolveAlignedMediaCandidate(el, viewportWidth, viewportHeight) {
        if (!el || !MediaViewportUtils.isVisibleElement(el)) {
            return null;
        }
        if (el.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
            return null;
        }
        let targetEl = null;
        if (el.tagName === 'VIDEO' || el.tagName === 'IFRAME') {
            targetEl = el;
        } else {
            targetEl = el.querySelector('video, iframe');
            if (!targetEl && this._isBadAlignedContainer(el)) {
                return null;
            }
        }
        const scoreEl = targetEl || el;
        if (!MediaViewportUtils.isVisibleElement(scoreEl)) {
            return null;
        }
        const rawRect = scoreEl.getBoundingClientRect();
        const rect = this._getTrueVideoRect(scoreEl, rawRect);
        if (rect.width < 160 || rect.height < 90) {
            return null;
        }
        if (
            rect.bottom <= 0 ||
            rect.top >= viewportHeight ||
            rect.right <= 0 ||
            rect.left >= viewportWidth
        ) {
            return null;
        }
        let score = MediaViewportUtils.getPrimaryMediaCandidateScore(scoreEl, rect, viewportWidth, viewportHeight);
        if (scoreEl.tagName === 'VIDEO' || scoreEl.tagName === 'IFRAME') {
            score += 500000;
        } else {
            score -= 180000;
        }
        if (targetEl && targetEl !== el) {
            score += 220000;
        }
        return { rect, score };
    }

    _getFullyVisibleNativePlayerRect() {
        const viewportWidth = window.visualViewport?.width || window.innerWidth;
        const viewportHeight = window.visualViewport?.height || window.innerHeight;
        let bestRect = null;
        let bestScore = -Infinity;

        for (const el of document.querySelectorAll(CONSTANTS.SELECTORS.PLAYER_ELEMENTS)) {
            const candidate = this._resolveAlignedMediaCandidate(el, viewportWidth, viewportHeight);
            if (!candidate) {
                continue;
            }
            if (candidate.score > bestScore) {
                bestScore = candidate.score;
                bestRect = candidate.rect;
            }
        }

        if (!bestRect) {
            const triggers = document.querySelectorAll('.dmz-switch-overlay, .dmz-iframe-remote-trigger');
            for (const trigger of triggers) {
                if (trigger.offsetWidth > 0 && trigger.offsetHeight > 0) {
                    const rect = trigger.getBoundingClientRect();
                    if (rect.width > 50 && rect.height > 50) {
                        return {
                            left: rect.left,
                            top: rect.top,
                            right: rect.right,
                            bottom: rect.bottom,
                            width: rect.width,
                            height: rect.height,
                        };
                    }
                }
            }
            return null;
        }
        return {
            left: bestRect.left,
            top: bestRect.top,
            right: bestRect.right,
            bottom: bestRect.bottom,
            width: bestRect.width,
            height: bestRect.height,
        };
    }

    _applyAlignedTopFromVisibleNativePlayer(isVideoVertical = false) {
        if (!this.hostElement) {
            return false;
        }
        let rect = this._getFullyVisibleNativePlayerRect();
        if (
            isVideoVertical &&
            rect &&
            rect.top > window.innerHeight / 2 &&
            this.videoElement &&
            this.videoElement.videoWidth > 0
        ) {
            const hostWidth = window.innerWidth * 0.6;
            const videoAspectRatio = this.videoElement.videoHeight / this.videoElement.videoWidth;
            const predictedVideoHeight = hostWidth * videoAspectRatio;
            const dragHandleHeight = 18;
            const gap = 3;
            const predictedHostHeight = predictedVideoHeight + 2 * dragHandleHeight + gap;
            const shellTopOffset = dragHandleHeight;
            const potentialTop = Math.max(0, Math.round(rect.top - shellTopOffset));
            if (potentialTop + predictedHostHeight > window.innerHeight) {
                return false;
            }
        }
        if (rect && rect.bottom > window.innerHeight) {
            rect = null;
        }
        if (!rect && this.lastAlignedTop === undefined) {
            return false;
        }
        if (rect) {
            this.lastAlignedTop = rect.top;
        }
        const targetTop = rect ? rect.top : this.lastAlignedTop;
        const shellTopOffset = Math.max(
            0,
            Math.round(
                this.dragHandles?.[0]?.getBoundingClientRect?.().height ||
                this.dragHandles?.[0]?.offsetHeight ||
                0
            )
        );
        this.hostElement.style.top = `${Math.max(0, Math.round(targetTop - shellTopOffset))}px`;
        if (isVideoVertical) {
            this.hostElement.style.left = '50%';
            this.hostElement.style.transform = 'translateX(-50%)';
        }
        this.isUsingSavedPlayerPosition = false;
        return true;
    }

    _getEstimatedExpandedPlayerHeight(referenceWidth = 0) {
        if (!this.videoElement || !this.videoElement.videoWidth || !this.videoElement.videoHeight) {
            return 0;
        }
        const width = referenceWidth || this.hostElement?.getBoundingClientRect?.().width || this.hostElement?.offsetWidth || 0;
        if (!width) {
            return 0;
        }
        const dragHandleHeight = Math.max(
            18,
            Math.round(
                this.dragHandles?.[0]?.getBoundingClientRect?.().height ||
                this.dragHandles?.[0]?.offsetHeight ||
                18
            )
        );
        const gap = Math.max(0, parseFloat(this.hostElement?.style?.gap || '3') || 3);
        const videoAspectRatio = this.videoElement.videoHeight / this.videoElement.videoWidth;
        const predictedVideoHeight = width * videoAspectRatio;
        const revealedVideoHeight = Math.min(predictedVideoHeight, window.innerHeight * 0.8);
        return revealedVideoHeight + dragHandleHeight * 2 + gap;
    }

    _getViewportClampRect() {
        const rect = this.hostElement.getBoundingClientRect();
        let effectiveHeight = rect.height;
        if (effectiveHeight <= 48) {
            effectiveHeight = Math.max(effectiveHeight, this._getEstimatedExpandedPlayerHeight(rect.width));
        }
        return {
            left: rect.left,
            top: rect.top,
            width: rect.width,
            height: effectiveHeight,
        };
    }

    _isSavedPlayerPositionOutOfBounds(left, top) {
        if (!Number.isFinite(left) || !Number.isFinite(top)) {
            return true;
        }
        const viewportWidth = window.visualViewport?.width || window.innerWidth;
        const viewportHeight = window.visualViewport?.height || window.innerHeight;
        const rect = this.hostElement?.getBoundingClientRect?.();
        const effectiveWidth = rect?.width || this.hostElement?.offsetWidth || 0;
        const effectiveHeight = rect
        ? Math.max(rect.height || 0, rect.height > 48 ? 0 : this._getEstimatedExpandedPlayerHeight(rect.width || 0))
        : this._getEstimatedExpandedPlayerHeight();
        return (
            left < -50 ||
            top < -50 ||
            (effectiveWidth > 0 && left + effectiveWidth > viewportWidth + 50) ||
            (effectiveHeight > 0 && top + effectiveHeight > viewportHeight + 50)
        );
    }

    _handleViewportChange() {
        this._scheduleClampPlayerIntoViewport();
    }

    _scheduleClampPlayerIntoViewport() {
        const token = ++this.viewportClampTaskToken;
        requestAnimationFrame(() => {
            requestAnimationFrame(() => {
                if (token !== this.viewportClampTaskToken) {
                    return;
                }
                this._clampPlayerIntoViewport();
            });
        });
    }

    _schedulePostRevealViewportClamp(videoWrapper) {
        this._scheduleClampPlayerIntoViewport();
        setTimeout(() => this._scheduleClampPlayerIntoViewport(), 80);
        setTimeout(() => this._scheduleClampPlayerIntoViewport(), 420);
        setTimeout(() => this._scheduleClampPlayerIntoViewport(), 1100);
        if (videoWrapper) {
            const onceClamp = (event) => {
                if (event.propertyName && event.propertyName !== 'max-height') {
                    return;
                }
                videoWrapper.removeEventListener('transitionend', onceClamp);
                this._scheduleClampPlayerIntoViewport();
            };
            videoWrapper.addEventListener('transitionend', onceClamp, { once: true });
        }
    }

    _clampPlayerIntoViewport() {
        if (!this.hostElement || !this.isPlayerActiveOrInitializing) {
            return;
        }
        const rect = this._getViewportClampRect();
        const viewportWidth = window.visualViewport?.width || window.innerWidth;
        const viewportHeight = window.visualViewport?.height || window.innerHeight;
        const maxLeft = Math.max(0, viewportWidth - rect.width);
        const maxTop = Math.max(0, viewportHeight - rect.height);
        const clampedLeft = Math.max(0, Math.min(rect.left, maxLeft));
        const clampedTop = Math.max(0, Math.min(rect.top, maxTop));
        this.hostElement.style.left = `${clampedLeft}px`;
        this.hostElement.style.top = `${clampedTop}px`;
        this.hostElement.style.transform = '';
    }

    _handleOrientationChange() {
        if (!this.hostElement) {
            return;
        }
        this.hostElement.classList.add('dmz-no-transition');
        this._applyOrientationLayout().finally(() => {
            this._scheduleClampPlayerIntoViewport();
            requestAnimationFrame(() => this.hostElement?.classList.remove('dmz-no-transition'));
        });
    }

    async _preparePlaybackSession(videoType) {
        const { settingsManager } = this.context;
        this.isPlayerActiveOrInitializing = true;
        this.currentVideoType = videoType;
        if (!CONSTANTS.IS_TOP_FRAME && settingsManager.config.crossFrameSupport) {
            this.isPlayerActiveOrInitializing = false;
            return null;
        }
        return await this.createBasePlayerContainer();
    }

    async revealPlayer(video, videoWrapper) {
        const { coreLogic } = this.context;
        this.neutralizeVisibleMainIframe();
        if (this._tryFastReveal(video, videoWrapper)) {
            return;
        }
        this.log(`视频尺寸未就绪，启动严格校验模式...`, CONSTANTS.LOG_TYPES.PLAYER_REVEAL);
        try {
            const { width, height } = await this.waitForRenderableDimensions(video);
            this._completeWaitedReveal(video, videoWrapper, width, height);
        } catch (error) {
            this.handleRevealFailure(error, coreLogic);
        }
    }

    _tryFastReveal(video, videoWrapper) {
        return this.tryRevealWithCurrentDimensions(video, videoWrapper);
    }

    _completeWaitedReveal(video, videoWrapper, width, height) {
        this.log(`轮询成功，视频尺寸已确认:(${width}x${height})。`, CONSTANTS.LOG_TYPES.PLAYER_REVEAL);
        this._finalizePlayerReveal(video, videoWrapper, width, height);
    }

    neutralizeVisibleMainIframe() {
        const { coreLogic, frameCommunicator } = this.context;
        const mainIframe = frameCommunicator.mainPlayerIframeElement;
        if (mainIframe && mainIframe.style.visibility !== 'hidden') {
            this.log(`渲染成功，执行中和：留空间并隐藏Iframe。`, CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE);
            coreLogic.hiddenIframeElement = mainIframe;
            coreLogic.originalIframeVisibilityStyle = mainIframe.style.visibility;
            coreLogic.originalIframePointerEventsStyle = mainIframe.style.pointerEvents;
            coreLogic.originalIframeSrc = mainIframe.src;
            mainIframe.style.visibility = 'hidden';
            mainIframe.style.pointerEvents = 'none';
        }
    }

    tryRevealWithCurrentDimensions(video, videoWrapper) {
        if (video.videoWidth > 0 && video.videoHeight > 0) {
            this._finalizePlayerReveal(video, videoWrapper, video.videoWidth, video.videoHeight);
            return true;
        }
        return false;
    }

    async waitForRenderableDimensions(video) {
        await this._waitForRenderSizeReady(video);
        return this._getRenderableDimensions(video);
    }

    _waitForRenderSizeReady(video) {
        return new Promise((resolve, reject) => {
            let attempts = 0;
            let timerId = null;
            let frameCallbackId = null;
            let settled = false;
            const cleanupBag = PlayerBindingHelpers.createCleanupBag();
            const cleanup = () => {
                timerId = PlayerBindingHelpers.clearTimer(timerId);
                frameCallbackId = PlayerBindingHelpers.cancelVideoFrameCallback(video, frameCallbackId);
                cleanupBag.run();
            };
            const settle = (handler, payload) => {
                if (settled) {
                    return;
                }
                settled = true;
                cleanup();
                handler(payload);
            };
            const probe = () => {
                if (settled) {
                    return;
                }
                if (timerId) {
                    clearTimeout(timerId);
                    timerId = null;
                }
                const abortError = this._getRenderWaitAbortError(video);
                if (abortError) {
                    settle(reject, abortError);
                    return;
                }
                if (this._hasRenderableDimensions(video)) {
                    settle(resolve);
                    return;
                }
                attempts += 1;
                this._tryWarmupVideoPlayback(video, attempts);
                if (attempts > this._getRenderableDimensionMaxAttempts()) {
                    settle(reject, new Error(`等待视频尺寸超时`));
                    return;
                }
                timerId = setTimeout(probe, this._getRenderableDimensionProbeDelay(attempts));
            };
            this._bindRenderableDimensionSignals(video, cleanupBag.cleanupFns, probe);
            this._startRenderableVideoFrameProbe(video, probe, (nextId) => {
                frameCallbackId = nextId;
            });
            probe();
        });
    }

    _bindRenderableDimensionSignals(video, cleanupFns, probe) {
        PlayerBindingHelpers.bindVideoSignalListeners(video, PLAYER_RENDERABLE_SIGNAL_EVENTS, cleanupFns, probe);
    }

    _startRenderableVideoFrameProbe(video, probe, storeId) {
        PlayerBindingHelpers.startVideoFrameLoop(
            video,
            probe,
            storeId,
            () => !this._hasRenderableDimensions(video)
        );
    }

    _getRenderableDimensionProbeDelay(attempts) {
        if (attempts < 12) {
            return 16;
        }
        if (attempts < 40) {
            return 32;
        }
        if (attempts < 120) {
            return 60;
        }
        return 120;
    }

    _getRenderableDimensionMaxAttempts() {
        return (this.context.coreLogic.lastCandidatesBackup?.size ?? 0) > 2 ? 200 : 500;
    }

    _hasRenderableDimensions(video) {
        return !!(video.videoWidth > 0 && video.videoHeight > 0);
    }

    _tryWarmupVideoPlayback(video, attempts) {
        if (![2, 6, 14, 32].includes(attempts)) {
            return;
        }
        const p = video.play();
        if (p) {
            p.catch(() => {});
        }
    }

    _getRenderableDimensions(video) {
        return {
            width: video.videoWidth,
            height: video.videoHeight,
        };
    }

    _getRenderWaitAbortError(video) {
        if (!this.hostElement) {
            return new Error('ABORT_TASK');
        }
        if (video.error || video.networkState === 3) {
            return new Error('视频源已失效(NetworkState=3)或加载错误');
        }
        return null;
    }

    handleRevealFailure(error, coreLogic) {
        if (error.message === 'ABORT_TASK') {
            this.log(`[渲染中止]任务被中断 (用户操作/页面切换)。`, CONSTANTS.LOG_TYPES.LIFECYCLE);
            this.cleanup();
        } else {
            this.log(`[渲染失败]|${error.message}->正在尝试备用信号...`, CONSTANTS.LOG_TYPES.WARN);
            coreLogic.reportPlaybackFailure({
                failedUrl: this.currentVideoUrl,
                reason: error.message,
            });
        }
    }

    async _finalizePlayerReveal(video, videoWrapper, finalW, finalH) {
        const { settingsManager, coreLogic } = this.context;
        this.currentVideoResolution = `${finalW}x${finalH}`;
        this.predefinedResolution = null;
        this.log(`视频分辨率已确认:(${this.currentVideoResolution})。`, CONSTANTS.LOG_TYPES.PLAYER_REVEAL);
        coreLogic.sandboxManager.cleanup();
        this.log(`视频元数据就绪，已满足显示前置条件，开始展示播放器(${finalW}x${finalH})。`, CONSTANTS.LOG_TYPES.PLAYER_REVEAL);

        this.broadcastPauseToFrames();

        if (!this.ensureRevealHostAvailable()) {
            return;
        }

        await this.applyRevealLayout(video, videoWrapper, finalW, finalH);
        this.applyRevealPlaybackPreference(settingsManager, video);
    }

    broadcastPauseToFrames() {
        try {
            const frames = window.frames;
            for (let i = 0; i < frames.length; i++) {
                try {
                    frames[i].postMessage({ type: CONSTANTS.MESSAGE_TYPES.FORCE_PAUSE_ALL }, '*');
                } catch (e) {
                    console.debug('Failed to pause iframe:', e);
                }
            }
        } catch (e) {
            console.debug('Failed to iterate frames:', e);
        }
    }

    ensureRevealHostAvailable() {
        if (!this.hostElement) {
            this.log('播放器显示失败：宿主元素不存在。', CONSTANTS.LOG_TYPES.WARN);
            this.cleanup();
            return false;
        }
        return true;
    }

    async applyRevealLayout(video, videoWrapper, finalW, finalH) {
        this.hostElement.classList.add('dmz-no-transition');
        await this._applyOrientationLayout();
        this.hostElement.style.gap = '3px';
        videoWrapper.style.flexGrow = '1';
        video.style.opacity = '1';
        void this.hostElement.offsetHeight;
        this.animateReveal(videoWrapper, finalW, finalH);
    }

    animateReveal(videoWrapper, finalW, finalH) {
        requestAnimationFrame(() => {
            if (this.hostElement) {
                this.hostElement.classList.remove('dmz-no-transition');
                this.hostElement.classList.add('dmz-visible');
                requestAnimationFrame(() => {
                    if (videoWrapper && finalW > 0) {
                        const w = this.hostElement.clientWidth;
                        const h = w * (finalH / finalW);
                        videoWrapper.style.maxHeight = `${Math.min(h, window.innerHeight * 0.8)}px`;
                    }
                    this._schedulePostRevealViewportClamp(videoWrapper);
                });
            }
        });
    }

    applyRevealPlaybackPreference(settingsManager, video) {
        if (settingsManager.config.autoPlay) {
            const p = video.play();
            if (p !== undefined) {
                p.catch((e) => {
                    this.log(`自动播放|⏸️|被阻断:${e.message}`, CONSTANTS.LOG_TYPES.WARN);
                });
            }
            this.log('自动播放|▶️|已启动。', CONSTANTS.LOG_TYPES.PLAYER);
            this.customControlsHandler?.hideControls();
            this.showIndicatorPermanently(false);
        } else {
            this.log('自动播放|🚫|已禁用，请手动点击播放。', CONSTANTS.LOG_TYPES.PLAYER);
            video.pause();
            this.customControlsHandler?.resetHideTimeout();
        }
    }

    async play(videoData) {
        const { coreLogic } = this.context;
        this.log('指令已接收，准备渲染视频内容。', CONSTANTS.LOG_TYPES.PLAYER);
        const playbackRequest = this._buildPlaybackRequest(videoData);
        this._applyPlaybackRequest(playbackRequest);
        const containerElements = await this._preparePlaybackSession(playbackRequest.videoType);
        if (!containerElements) {
            coreLogic.sendPlayCommand(playbackRequest.videoType, playbackRequest.videoData);
            return;
        }
        this._bindPlaybackReadyReveal(containerElements);
        this._startPlaybackRequest(playbackRequest, containerElements.video);
    }

    _buildPlaybackRequest(videoData) {
        const isM3U8 = typeof videoData === 'object';
        return {
            videoData,
            isM3U8,
            videoType: isM3U8 ? 'm3u8' : 'normal',
            currentVideoUrl: isM3U8 ? videoData.finalUrl : videoData,
            lastM3u8Content: isM3U8 ? videoData.original : '',
        };
    }

    _applyPlaybackRequest(playbackRequest) {
        this.currentVideoUrl = playbackRequest.currentVideoUrl;
        this.lastM3u8Content = playbackRequest.lastM3u8Content;
        this.currentRequestUrl = this.currentVideoUrl;
    }

    _bindPlaybackReadyReveal(containerElements) {
        const { video, videoWrapper } = containerElements;
        let isRevealed = false;
        let frameCallbackId = null;
        const cleanupBag = PlayerBindingHelpers.createCleanupBag();
        const cleanup = () => {
            cleanupBag.run();
            frameCallbackId = PlayerBindingHelpers.cancelVideoFrameCallback(video, frameCallbackId);
        };
        const onReady = () => {
            if (isRevealed) {
                return;
            }
            const hasConfirmedSize = video.videoWidth > 0 || video.videoHeight > 0;
            if (!(hasConfirmedSize || video.readyState >= 1)) {
                return;
            }
            isRevealed = true;
            cleanup();
            this.revealPlayer(video, videoWrapper);
        };
        const metadataTimeoutMs = this._getAdaptiveMetadataLoadTimeoutMs();
        const stallTimeoutId = setTimeout(() => {
            if (!isRevealed && this.isPlayerActiveOrInitializing && this.videoElement === video) {
                cleanup();
                this.log(`视频元数据加载超时(${Math.round(metadataTimeoutMs / 1000)}s无响应)，判定为网络堵塞或死链。`, CONSTANTS.LOG_TYPES.ERROR);
                this.context.coreLogic.reportPlaybackFailure({
                    reason: 'Metadata Load Timeout',
                });
            }
        }, metadataTimeoutMs);
        cleanupBag.cleanupFns.push(() => clearTimeout(stallTimeoutId));
        PlayerBindingHelpers.bindVideoSignalListeners(
            video,
            PLAYER_REVEAL_TRIGGER_EVENTS,
            cleanupBag.cleanupFns,
            onReady
        );
        PlayerBindingHelpers.startVideoFrameLoop(
            video,
            onReady,
            (nextId) => {
                frameCallbackId = nextId;
            },
            () => !isRevealed
        );
        onReady();
    }

    _getAdaptiveMetadataLoadTimeoutMs() {
        if (this._isVolatileSpaDirectCandidate()) {
            return 5000;
        }
        return 12000;
    }

    _isVolatileSpaDirectCandidate() {
        const coreLogic = this.context.coreLogic;
        if (!coreLogic) {
            return false;
        }
        const navAt = coreLogic.lastSpaNavigationAt || 0;
        if (!navAt || coreLogic.navigationRequestId <= 0) {
            return false;
        }
        const elapsed = Date.now() - navAt;
        if (elapsed < 0 || elapsed > 9000) {
            return false;
        }
        const sourceName = coreLogic.currentDecisionSourceName || '';
        if (!/(页面元素扫描\(data-\*\)|iFrame信使 \(页面元素扫描\(data-\*\)\))/u.test(sourceName)) {
            return false;
        }
        const currentUrl = this.currentVideoUrl || '';
        if (!currentUrl || /\.m3u8(?:$|[?#])/i.test(currentUrl)) {
            return false;
        }
        return /(?:^|[?&])(seasonId|hevc)=|[a-f0-9]{16,}/i.test(currentUrl);
    }

    _startPlaybackRequest(playbackRequest, videoElement) {
        if (playbackRequest.isM3U8) {
            this.playM3U8(playbackRequest.videoData, videoElement, true);
            return;
        }
        this.playNormalVideo(playbackRequest.videoData, videoElement);
    }

    _recordCurrentM3u8Quality(m3u8Data, coreLogic) {
        this.currentVideoFormat = { name: 'M3U8', type: '流式传输' };
        const qualityMatch = m3u8Data.finalUrl.match(/\/(\d+p)\//);
        coreLogic.currentPlayingQuality = qualityMatch ? qualityMatch[1] : 'unknown';
        if (coreLogic.currentPlayingQuality !== 'unknown') {
            this.log(`当前播放清晰度已记录为:${coreLogic.currentPlayingQuality}。`, CONSTANTS.LOG_TYPES.PLAYER);
        }
    }

    _syncM3u8KeyStatus(originalContent, diagnosticsTool) {
        if (originalContent.includes('#EXT-X-KEY') && !originalContent.includes('METHOD=NONE')) {
            diagnosticsTool.playbackHealth.key.status = 'pending';
        } else {
            diagnosticsTool.playbackHealth.key.status = 'not_encrypted';
        }
    }

    _refreshM3u8BlobSource(contentToPlay, diagnosticsTool) {
        if (this.m3u8BlobUrl) {
            URL.revokeObjectURL(this.m3u8BlobUrl);
            this.m3u8BlobUrl = null;
        }
        const blob = new Blob([contentToPlay], {
            type: 'application/vnd.apple.mpegurl',
        });
        this.m3u8BlobUrl = URL.createObjectURL(blob);
        diagnosticsTool.lastProcessedM3u8 = contentToPlay;
    }

    _prewarmUrl(url) {
        if (!url) {
            return;
        }
        try {
            const origin = new URL(url, window.location.href).origin;
            if (!origin || origin === 'null') {
                return;
            }
            if (!this._prewarmedOrigins) {
                this._prewarmedOrigins = new Set();
            }
            if (this._prewarmedOrigins.has(origin)) {
                return;
            }
            this._prewarmedOrigins.add(origin);
            if (!document.head) {
                return;
            }
            const dnsPrefetch = document.createElement('link');
            dnsPrefetch.rel = 'dns-prefetch';
            dnsPrefetch.href = origin;
            document.head.appendChild(dnsPrefetch);
            const preconnect = document.createElement('link');
            preconnect.rel = 'preconnect';
            preconnect.href = origin;
            preconnect.crossOrigin = 'anonymous';
            document.head.appendChild(preconnect);
        } catch (e) {
            console.debug('Failed to prewarm url:', e);
        }
    }

    _prewarmM3u8Targets(m3u8Data) {
        this._prewarmUrl(m3u8Data?.finalUrl);
        const processed = String(m3u8Data?.processed || '');
        if (!processed) {
            return;
        }
        let warmedCount = 0;
        for (const rawLine of processed.split('\n')) {
            const line = rawLine.trim();
            if (!line || line.startsWith('#')) {
                continue;
            }
            this._prewarmUrl(line);
            warmedCount++;
            if (warmedCount >= 2) {
                break;
            }
        }
    }

    _attachHlsPlayback(videoElement, isFirstPlay) {
        PlayerHlsController.attachPlayback(this, videoElement, isFirstPlay);
    }

    _resetInternalRequestFlagLater() {
        setTimeout(() => {
            this.isInternalRequest = false;
        }, 500);
    }

    playM3U8(m3u8Data, videoElement, isFirstPlay) {
        const { diagnosticsTool, coreLogic } = this.context;
        this._recordCurrentM3u8Quality(m3u8Data, coreLogic);
        this._syncM3u8KeyStatus(m3u8Data.original ?? '', diagnosticsTool);
        this._prewarmM3u8Targets(m3u8Data);
        this._refreshM3u8BlobSource(m3u8Data.processed, diagnosticsTool);
        try {
            this.isInternalRequest = true;
            this._attachHlsPlayback(videoElement, isFirstPlay);
        } finally {
            this._resetInternalRequestFlagLater();
        }
    }

    _bindHlsEvents(hls, videoElement, isFirstPlay) {
        PlayerHlsController.bindEvents(this, hls, videoElement, isFirstPlay);
    }

    _handleHlsMediaAttached(hls) {
        PlayerHlsController.handleMediaAttached(this, hls);
    }

    _capturePredefinedResolution(source, width, height) {
        PlayerHlsController.capturePredefinedResolution(this, source, width, height);
    }

    _handleHlsManifestParsed(hls, videoElement, isFirstPlay, data, hlsState) {
        PlayerHlsController.handleManifestParsed(this, hls, videoElement, isFirstPlay, data, hlsState);
    }

    _applyBestHlsManifestLevel(hls, levels) {
        PlayerHlsController.applyBestManifestLevel(this, hls, levels);
    }

    _extractHlsLevelInfo(bestLevel) {
        return PlayerHlsController.extractLevelInfo(bestLevel);
    }

    _captureManifestResolution(width, height) {
        PlayerHlsController.captureManifestResolution(this, width, height);
    }

    _formatHlsLevelInfo(levelInfo) {
        return PlayerHlsController.formatLevelInfo(levelInfo);
    }

    _autoplayAfterManifest(videoElement, isFirstPlay) {
        PlayerHlsController.autoplayAfterManifest(this, videoElement, isFirstPlay);
    }

    _getBestHlsLevelChoice(levels) {
        return PlayerHlsController.getBestLevelChoice(levels);
    }

    _handleHlsFragmentParsed(hls, data) {
        PlayerHlsController.handleFragmentParsed(this, hls, data);
    }

    _handleHlsLevelUpdated(hls, data) {
        PlayerHlsController.handleLevelUpdated(this, hls, data);
    }

    _handleHlsFragmentLoaded(data, hlsState) {
        PlayerHlsController.handleFragmentLoaded(this, data, hlsState);
    }

    _handleHlsError(hls, data, hlsState) {
        PlayerHlsController.handleError(this, hls, data, hlsState);
    }

    _handleHlsNetworkError(hls, data, hlsState) {
        return PlayerHlsController.handleNetworkError(this, hls, data, hlsState);
    }

    _handleHlsMediaError(hls, data) {
        return PlayerHlsController.handleMediaError(this, hls, data);
    }

    _handleHlsFatalError(hls, data) {
        PlayerHlsController.handleFatalError(this, hls, data);
    }

    _getHlsConfig() {
        return PlayerHlsController.getConfig(this);
    }

    _getHlsBufferConfig() {
        return PlayerHlsController.getBufferConfig(this);
    }

    _getHlsLoadingConfig() {
        return PlayerHlsController.getLoadingConfig(this);
    }

    _getHlsCodecConfig() {
        return PlayerHlsController.getCodecConfig(this);
    }

    playNormalVideo(videoUrl, videoElement) {
        this.currentPlaybackEngine = '浏览器原生';
        this.currentVideoUrl = videoUrl;
        this._ensureNormalVideoFormat(videoUrl);
        this._prepareNormalVideoElement(videoElement);
        this._bindNormalVideoHealthEvents(videoElement);
        this._loadNormalVideoSource(videoElement, videoUrl);
    }

    _ensureNormalVideoFormat(videoUrl) {
        if (!this.currentVideoFormat) {
            this.currentVideoFormat = Utils.getVideoFormat(videoUrl);
        }
    }

    _prepareNormalVideoElement(videoElement) {
        videoElement.preload = 'auto';
        videoElement.playsInline = true;
        videoElement.setAttribute('playsinline', '');
        videoElement.setAttribute('webkit-playsinline', '');
        videoElement.setAttribute('x5-playsinline', 'true');
    }

    _loadNormalVideoSource(videoElement, videoUrl) {
        if (videoElement.src !== videoUrl) {
            videoElement.src = videoUrl;
        }
        videoElement.load();
    }

    _bindNormalVideoHealthEvents(videoElement) {
        const { diagnosticsTool } = this.context;
        const cleanupBag = PlayerBindingHelpers.createCleanupBag();
        PlayerBindingHelpers.bindFirstMatchingVideoSignal(
            videoElement,
            PLAYER_MEDIA_HEALTH_SUCCESS_EVENTS,
            cleanupBag.cleanupFns,
            () => {
                diagnosticsTool.playbackHealth.media.status = 'success';
            }
        );
        PlayerBindingHelpers.bindVideoErrorOnce(videoElement, cleanupBag.cleanupFns, () => {
            cleanupBag.run();
            diagnosticsTool.playbackHealth.media.status = 'error';
            this.context.coreLogic.reportPlaybackFailure();
        });
    }

    cleanup(isInternalCall = false) {
        PlayerCleanupManager.cleanup(this, isInternalCall);
    }

    handlePointerDown(e) {
        if (!e.isPrimary || this.activeInteraction) {
            return;
        }
        this.activeInteraction = this._resolvePointerInteraction(e.target);
        if (!this.activeInteraction) {
            return;
        }

        e.stopPropagation();
        e.preventDefault();
        this._startPointerInteraction(e);
        this._bindDocumentPointerEvents();
    }

    _resolvePointerInteraction(target) {
        if (target.closest(`.${CONSTANTS.CLASSES.DRAG_HANDLE}`)) {
            return 'drag';
        }
        if (target.closest('.dmz-progress-bar')) {
            return 'seek';
        }
        if (!target.closest('.dmz-controls-bar, .dmz-close-button')) {
            return 'gesture';
        }
        return null;
    }

    _startPointerInteraction(e) {
        switch (this.activeInteraction) {
            case 'drag':
                this.draggableInstance.handleDragStart(e);
                break;
            case 'seek':
                this.customControlsHandler.isSeeking = true;
                this.customControlsHandler.updateSeekUI(e.clientX);
                break;
            case 'gesture':
                this.fullscreenGestureHandler.onPointerDown(e);
                break;
        }
    }

    _bindDocumentPointerEvents() {
        PlayerBindingHelpers.toggleDocumentPointerEvents(this, 'addEventListener');
    }

    handlePointerMove(e) {
        if (!e.isPrimary || !this.activeInteraction) {
            return;
        }
        e.stopPropagation();
        e.preventDefault();
        this._dispatchPointerMove(e);
    }

    _dispatchPointerMove(e) {
        switch (this.activeInteraction) {
            case 'drag':
                this.draggableInstance.handleDragMove(e);
                break;
            case 'seek':
                this.customControlsHandler.updateSeekUI(e.clientX);
                break;
            case 'gesture':
                this.fullscreenGestureHandler.onPointerMove(e);
                break;
        }
    }

    handlePointerUp(e) {
        if (!e.isPrimary || !this.activeInteraction) {
            return;
        }
        e.stopPropagation();
        e.preventDefault();
        this._unbindDocumentPointerEvents();
        this._finishPointerInteraction(e);
        this.activeInteraction = null;
    }

    _unbindDocumentPointerEvents() {
        PlayerBindingHelpers.toggleDocumentPointerEvents(this, 'removeEventListener');
    }

    _finishPointerInteraction(e) {
        switch (this.activeInteraction) {
            case 'drag':
                this.draggableInstance.handleDragEnd(e);
                break;
            case 'seek':
                this._completeSeekInteraction(e.clientX);
                break;
            case 'gesture':
                this.fullscreenGestureHandler.onPointerUp(e);
                break;
        }
    }

    _completeSeekInteraction(clientX) {
        const newTime = this.customControlsHandler.updateSeekUI(clientX);
        if (this.videoElement && !isNaN(newTime)) {
            this.videoElement.currentTime = newTime;
        }
        this.customControlsHandler.isSeeking = false;
        this.customControlsHandler.resetHideTimeout();
    }
}

const M3U8FetchManager = {
    _logFetchRequest(processor, url, requestId) {
        processor.log(`[m3u8处理器]|[ID:${requestId}]原生获取M3U8清单文本:${url}`, CONSTANTS.LOG_TYPES.CORE);
    },
    _shouldRetryFetch(processor, err, retriesLeft) {
        return (
            retriesLeft > 0 &&
            !err.message.includes('403') &&
            !err.message.includes('404') &&
            !err.message.includes('Cross frame fetch timeout')
        );
    },
    _resolveUrl(url) {
        return new URL(url, window.location.href).href;
    },
    _buildDirectHlsUrl(processor, url) {
        try {
            const resolved = this._resolveUrl(url);
            const urlObj = new URL(resolved);
            if (!/bfvvs\.com$/i.test(urlObj.hostname)) {
                return null;
            }
            const match = urlObj.pathname.match(/^\/play\/([^/]+)\/index\.m3u8$/i);
            if (!match) {
                return null;
            }
            urlObj.pathname = `/play/hls/${match[1]}/index.m3u8`;
            return urlObj.href;
        } catch (e) {
            return null;
        }
    },
    _buildFetchCandidateUrls(processor, url) {
        const candidates = [];
        const directHlsUrl = this._buildDirectHlsUrl(processor, url);
        if (directHlsUrl && directHlsUrl !== url) {
            candidates.push(directHlsUrl);
        }
        candidates.push(this._resolveUrl(url));
        return [...new Set(candidates)];
    },
    _getCacheKey(processor, url) {
        const { coreLogic } = processor.context;
        const resolved = this._resolveUrl(url);
        if (coreLogic?._getNormalizationKey) {
            return coreLogic._getNormalizationKey(resolved);
        }
        return resolved;
    },
    async _attemptSingleFetchText(processor, url, isValidSession, retriesLeft) {
        try {
            const response = await fetch(url);
            if (!isValidSession()) {
                throw new Error('Request outdated');
            }
            if (!response.ok) {
                throw new Error(`Status ${response.status}`);
            }
            return await response.text();
        } catch (err) {
            if (!isValidSession()) {
                throw new Error('Request outdated');
            }
            const isCrossOrigin = new URL(url, window.location.href).hostname !== window.location.hostname;
            if (isCrossOrigin && CONSTANTS.IS_TOP_FRAME && err.message.includes('Failed to fetch')) {
                try {
                    const text = await processor.context.frameCommunicator.requestCrossFrameFetch(url);
                    if (!isValidSession()) {
                        throw new Error('Request outdated');
                    }
                    return text;
                } catch (crossErr) {
                    err = crossErr;
                }
            }
            if (processor._shouldRetryFetch(err, retriesLeft)) {
                processor.log(`[m3u8处理器] 获取失败，重试中(剩余${retriesLeft}次)...`, CONSTANTS.LOG_TYPES.WARN);
                await new Promise((r) => setTimeout(r, 1000));
                return this._attemptSingleFetchText(processor, url, isValidSession, retriesLeft - 1);
            }
            throw err;
        }
    },
    async _attemptFetchText(processor, url, isValidSession, retriesLeft) {
        let lastError = null;
        const candidateUrls = this._buildFetchCandidateUrls(processor, url);
        for (const candidateUrl of candidateUrls) {
            try {
                if (candidateUrl !== this._resolveUrl(url)) {
                    processor.log(
                        `[m3u8处理器]|路径加速命中，优先尝试:${candidateUrl}`,
                        CONSTANTS.LOG_TYPES.CORE_URL_RESOLVE
                    );
                }
                return await this._attemptSingleFetchText(processor, candidateUrl, isValidSession, retriesLeft);
            } catch (err) {
                if (err.message === 'Request outdated') {
                    throw err;
                }
                lastError = err;
            }
        }
        throw lastError || new Error('Unknown fetch failure');
    },
    _applyFetchFailureToDiagnostics(processor, err) {
        const { diagnosticsTool } = processor.context;
        if (err.message !== 'Request outdated' && diagnosticsTool.playbackHealth.manifest.status === 'pending') {
            diagnosticsTool.playbackHealth.manifest = {
                status: 'error',
                code: err.message,
            };
        }
    },
    async fetchText(processor, url, isValidSession, requestId) {
        const { coreLogic } = processor.context;
        const cacheKey = this._getCacheKey(processor, url);
        if (cacheKey && coreLogic.m3u8SessionCache.has(cacheKey)) {
            return coreLogic.m3u8SessionCache.get(cacheKey);
        }
        if (cacheKey && coreLogic.m3u8FetchInflight.has(cacheKey)) {
            const text = await coreLogic.m3u8FetchInflight.get(cacheKey);
            if (!isValidSession()) {
                throw new Error('Request outdated');
            }
            return text;
        }

        processor._logFetchRequest(url, requestId);

        const fetchPromise = (async () => {
            try {
                const text = await this._attemptFetchText(processor, url, () => true, 1);
                if (cacheKey) {
                    coreLogic.m3u8SessionCache.set(cacheKey, text);
                }
                return text;
            } catch (err) {
                processor._applyFetchFailureToDiagnostics(err);
                throw new Error(`获取M3U8失败: ${err.message}`);
            } finally {
                if (cacheKey) {
                    coreLogic.m3u8FetchInflight.delete(cacheKey);
                }
            }
        })();

        if (cacheKey) {
            coreLogic.m3u8FetchInflight.set(cacheKey, fetchPromise);
        }

        const result = await fetchPromise;
        if (!isValidSession()) {
            throw new Error('Request outdated');
        }
        return result;
    },
};


const HlsKeyPrefetchManager = {
    _escapeRegex(text) {
        return text.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
    },

    _resolveKeyUrl(keyUrl, baseUrl) {
        try {
            return new URL(keyUrl, baseUrl || window.location.href).href;
        } catch (e) {
            return keyUrl;
        }
    },

    _extractKeyDescriptors(manifestText, baseUrl) {
        const descriptors = [];
        const seen = new Set();
        for (const rawLine of String(manifestText || '').split('\n')) {
            const line = rawLine.trim();
            if (!/^#EXT-X-(?:KEY|SESSION-KEY):/i.test(line) || /METHOD=NONE/i.test(line)) {
                continue;
            }
            const uriMatch = line.match(/URI="([^"]+)"/i);
            const rawUri = uriMatch?.[1];
            if (!rawUri) {
                continue;
            }
            const resolvedUri = this._resolveKeyUrl(rawUri, baseUrl);
            if (!resolvedUri || /^(?:data:|blob:)/i.test(resolvedUri)) {
                continue;
            }
            if (seen.has(resolvedUri)) {
                continue;
            }
            seen.add(resolvedUri);
            descriptors.push({ rawUri, resolvedUri });
        }
        return descriptors;
    },

    async _fetchArrayBufferWithGm(url) {
        return await new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url,
                responseType: 'arraybuffer',
                timeout: 20000,
                headers: {
                    Referer: window.location.href,
                    Accept: '*/*',
                },
                onload: (response) => {
                    const status = Number(response.status) || 0;
                    if (status >= 200 && status < 300 && response.response) {
                        resolve(response.response);
                        return;
                    }
                    reject(new Error(`Status ${status || 'GM_KEY_FETCH_FAILED'}`));
                },
                onerror: (err) => reject(new Error(err?.error || 'GM_KEY_FETCH_FAILED')),
                ontimeout: () => reject(new Error('GM_KEY_FETCH_TIMEOUT')),
            });
        });
    },

    async _attemptFetchArrayBuffer(url) {
        try {
            const response = await fetch(url);
            if (!response.ok) {
                throw new Error(`Status ${response.status}`);
            }
            return await response.arrayBuffer();
        } catch (err) {
            if (typeof GM_xmlhttpRequest === 'function') {
                return await this._fetchArrayBufferWithGm(url);
            }
            throw err;
        }
    },

    async _getKeyBuffer(coreLogic, keyUrl, isValidSession) {
        if (!coreLogic.keyBinaryCache) {
            coreLogic.keyBinaryCache = new Map();
        }
        if (!coreLogic.keyFetchInflight) {
            coreLogic.keyFetchInflight = new Map();
        }
        const cacheKey = coreLogic._getNormalizationKey(keyUrl) || keyUrl;
        if (coreLogic.keyBinaryCache.has(cacheKey)) {
            return coreLogic.keyBinaryCache.get(cacheKey);
        }
        if (coreLogic.keyFetchInflight.has(cacheKey)) {
            const inflight = await coreLogic.keyFetchInflight.get(cacheKey);
            if (!isValidSession()) {
                throw new Error('Request outdated');
            }
            return inflight;
        }
        const fetchPromise = (async () => {
            try {
                const buffer = await this._attemptFetchArrayBuffer(keyUrl);
                if (!buffer || !buffer.byteLength) {
                    throw new Error('KEY_EMPTY');
                }
                coreLogic.keyBinaryCache.set(cacheKey, buffer);
                return buffer;
            } finally {
                coreLogic.keyFetchInflight.delete(cacheKey);
            }
        })();
        coreLogic.keyFetchInflight.set(cacheKey, fetchPromise);
        const result = await fetchPromise;
        if (!isValidSession()) {
            throw new Error('Request outdated');
        }
        return result;
    },

    _getBlobUrl(coreLogic, keyUrl, buffer) {
        if (!coreLogic.keyBlobUrlCache) {
            coreLogic.keyBlobUrlCache = new Map();
        }
        const cacheKey = coreLogic._getNormalizationKey(keyUrl) || keyUrl;
        if (coreLogic.keyBlobUrlCache.has(cacheKey)) {
            return coreLogic.keyBlobUrlCache.get(cacheKey);
        }
        const blobUrl = URL.createObjectURL(
            new Blob([buffer], {
                type: 'application/octet-stream',
            })
        );
        coreLogic.keyBlobUrlCache.set(cacheKey, blobUrl);
        return blobUrl;
    },

    async prefetchAndRewriteManifest(coreLogic, processedData, isValidSession, requestId) {
        const manifestText = String(processedData?.processed || '');
        if (!manifestText) {
            return processedData;
        }
        const descriptors = this._extractKeyDescriptors(manifestText, processedData.finalUrl);
        if (descriptors.length === 0) {
            return processedData;
        }
        coreLogic.log(
            `[Key预取]|🔑|检测到${descriptors.length}个唯一密钥，开始预取并绑定到当前清单。`,
            CONSTANTS.LOG_TYPES.HLS
        );
        let rewrittenManifest = manifestText;
        try {
            for (const descriptor of descriptors) {
                const buffer = await this._getKeyBuffer(coreLogic, descriptor.resolvedUri, isValidSession);
                if (!isValidSession()) {
                    throw new Error('Request outdated');
                }
                const blobUrl = this._getBlobUrl(coreLogic, descriptor.resolvedUri, buffer);
                const replaceTargets = Array.from(new Set([descriptor.rawUri, descriptor.resolvedUri])).filter(Boolean);
                for (const target of replaceTargets) {
                    rewrittenManifest = rewrittenManifest.replace(
                        new RegExp(`URI="${this._escapeRegex(target)}"`, 'g'),
                        `URI="${blobUrl}"`
                    );
                }
            }
        } catch (err) {
            if (err.message !== 'Request outdated') {
                coreLogic.context.diagnosticsTool.playbackHealth.key = {
                    status: 'error',
                    code: err.message,
                };
                throw new Error(`Key预取失败: ${err.message}`);
            }
            throw err;
        }
        processedData.processed = rewrittenManifest;
        processedData.prefetchedKeyCount = descriptors.length;
        coreLogic.log(
            `[Key预取]|🔑|已预取${descriptors.length}个密钥，并改写为本地引用。`,
            CONSTANTS.LOG_TYPES.HLS
        );
        return processedData;
    },
};

const M3U8AdModel = {
    Shared: {
        PLAYABLE_MEDIA_PATTERN: /\.(ts|mp4|mkv|webm|flv|jpeg|jpg)(\?.*)?$/i,
        buildRebuildHeaderLines(originalLines, options = {}) {
            const { filterHeaderDiscontinuity = false } = options;
            const headerIndex = originalLines.findIndex((l) => l.startsWith('#EXTINF'));
            let headerLines = headerIndex > -1 ? originalLines.slice(0, headerIndex) : [];
            if (filterHeaderDiscontinuity) {
                headerLines = headerLines.filter((l) => !l.trim().startsWith('#EXT-X-DISCONTINUITY'));
            }
            return headerLines;
        },
        appendRebuiltGroupLines(headerLines, finalGroups) {
            const finalLines = [...headerLines];
            finalGroups.forEach((group, index) => {
                finalLines.push(...group);
                if (index < finalGroups.length - 1) {
                    finalLines.push('#EXT-X-DISCONTINUITY');
                }
            });
            return finalLines;
        },
        ensurePlaylistEndlist(originalLines, finalLines) {
            const endlistPresent = originalLines.some((l) => l.includes('#EXT-X-ENDLIST'));
            if (endlistPresent && !finalLines.some((l) => l.includes('#EXT-X-ENDLIST'))) {
                finalLines.push('#EXT-X-ENDLIST');
            }
        },
        splitDiscontinuityGroups(lines) {
            const segmentGroups = [];
            let currentGroup = [];
            lines.forEach((line) => {
                if (line.trim().startsWith('#EXT-X-DISCONTINUITY')) {
                    if (currentGroup.length > 0) {
                        segmentGroups.push(currentGroup);
                    }
                    currentGroup = [];
                } else {
                    currentGroup.push(line);
                }
            });
            if (currentGroup.length > 0) {
                segmentGroups.push(currentGroup);
            }
            return segmentGroups;
        },
        calculateGroupDuration(group) {
            return group
                .filter((l) => l.startsWith('#EXTINF:'))
                .reduce((sum, line) => {
                const duration = parseFloat(line.split(':')[1]);
                return sum + (isNaN(duration) ? 0 : duration);
            }, 0);
        },
        countAdSegments(group) {
            return group.filter((line) => {
                const trimmed = line.trim();
                return trimmed.endsWith('.ts') || trimmed.includes('.jpeg');
            }).length;
        },
        createKeywordMatcher(keywords) {
            return new RegExp(keywords.map((k) => k.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')).join('|'));
        },
        hasMediaSegments(lines) {
            return lines.some((line) => !line.startsWith('#') && this.PLAYABLE_MEDIA_PATTERN.test(line.trim()));
        },
        createSegmentGroupingState() {
            return {
                headerTags: [
                    '#EXTM3U',
                    '#EXT-X-VERSION',
                    '#EXT-X-TARGETDURATION',
                    '#EXT-X-PLAYLIST-TYPE',
                    '#EXT-X-MEDIA-SEQUENCE',
                    '#EXT-X-ALLOW-CACHE',
                    '#EXT-X-KEY',
                ],
                uniqueHeaders: new Set(),
                headerLines: [],
                segmentGroups: [],
                currentGroup: [],
            };
        },
        collectSegmentHeaderLine(line, trimmed, state) {
            if (!state.headerTags.some((tag) => trimmed.startsWith(tag))) {
                return false;
            }
            const key = trimmed.split(':')[0];
            if (!state.uniqueHeaders.has(key)) {
                state.uniqueHeaders.add(key);
                state.headerLines.push(line);
            }
            return true;
        },
        consumeSegmentGroupingLine(line, state) {
            const trimmed = line.trim();
            if (!trimmed) {
                return;
            }
            if (this.collectSegmentHeaderLine(line, trimmed, state)) {
                return;
            }
            if (trimmed.startsWith('#EXT-X-DISCONTINUITY')) {
                this.flushSegmentGroup(state);
                return;
            }
            state.currentGroup.push(line);
        },
        flushSegmentGroup(state) {
            if (state.currentGroup.length <= 0) {
                state.currentGroup = [];
                return;
            }
            state.segmentGroups.push(state.currentGroup);
            state.currentGroup = [];
        },
        getSegmentGroupBoundaryUrl(group, edge) {
            const urls = group
            .filter((line) => !line.startsWith('#') && line.trim().length > 0)
            .map((line) => line.trim());
            if (urls.length === 0) {
                return null;
            }
            return edge === 'first' ? urls[0] : urls[urls.length - 1];
        },
    },
    KeywordEngine: {
        rebuildFromGroups(processor, originalLines, finalGroups, options = {}) {
            const headerLines = this._buildGroupRebuildHeaderLines(processor, originalLines, options);
            const finalLines = this._appendRebuiltGroupLines(processor, headerLines, finalGroups);
            this._ensureRebuiltGroupsEndlist(processor, originalLines, finalLines);
            return finalLines.filter(Boolean);
        },
        _buildGroupRebuildHeaderLines(processor, originalLines, options = {}) {
            return M3U8AdModel.Shared.buildRebuildHeaderLines(originalLines, options);
        },
        _appendRebuiltGroupLines(processor, headerLines, finalGroups) {
            return M3U8AdModel.Shared.appendRebuiltGroupLines(headerLines, finalGroups);
        },
        _ensureRebuiltGroupsEndlist(processor, originalLines, finalLines) {
            return M3U8AdModel.Shared.ensurePlaylistEndlist(originalLines, finalLines);
        },
        _createKeywordMatcher(processor, keywords) {
            return M3U8AdModel.Shared.createKeywordMatcher(keywords);
        },
        _splitDiscontinuityGroups(processor, lines) {
            return M3U8AdModel.Shared.splitDiscontinuityGroups(lines);
        },
        _calculateGroupDuration(processor, group) {
            return M3U8AdModel.Shared.calculateGroupDuration(group);
        },
        _handleKeywordMatchedGroup(processor, group, groupDuration, diagnosticsTool, state) {
            state.removedGroups++;
            state.removedSegments += M3U8AdModel.Shared.countAdSegments(group);
            diagnosticsTool.slicingReport.slicedDuration += groupDuration;
            if (groupDuration > 0) {
                diagnosticsTool.slicingReport.slicedTimeRanges.push({
                    start: state.originalTimelineDuration,
                    end: state.originalTimelineDuration + groupDuration,
                });
            }
        },
        _collectKeywordSliceState(processor, segmentGroups, adMatcher, diagnosticsTool) {
            const state = {
                removedGroups: 0,
                removedSegments: 0,
                finalGroups: [],
                originalTimelineDuration: 0,
            };
            segmentGroups.forEach((group) => {
                const isAd = group.some((line) => adMatcher.test(line));
                const groupDuration = processor._calculateGroupDuration(group);
                if (isAd) {
                    processor._handleKeywordMatchedGroup(group, groupDuration, diagnosticsTool, state);
                } else {
                    state.finalGroups.push(group);
                }
                state.originalTimelineDuration += groupDuration;
            });
            return state;
        },
        _finalizeKeywordSlice(processor, lines, state, diagnosticsTool) {
            if (state.removedGroups === 0) {
                return lines;
            }
            diagnosticsTool.slicingReport.slicedGroups += state.removedGroups;
            diagnosticsTool.slicingReport.slicedSegments += state.removedSegments;
            processor.log(
                `[m3u8处理器]|「URL特征」净化完成，移除${state.removedGroups}组共${state.removedSegments} 个广告分片。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            const finalLines = processor.rebuildFromGroups(lines, state.finalGroups, {
                filterHeaderDiscontinuity: true,
            });
            if (processor.hasMediaSegments(finalLines)) {
                return finalLines;
            }
            processor.log(
                `[m3u8处理器]|[安全锁]“特征锁定”净化后无任何可播放内容！已还原为原始列表。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            diagnosticsTool.slicingReport.slicedGroups -= state.removedGroups;
            diagnosticsTool.slicingReport.slicedSegments -= state.removedSegments;
            return lines;
        },
        sliceAdSegmentsByKeywords(processor, lines, keywords) {
            const { diagnosticsTool } = processor.context;
            processor.log(
                `[m3u8处理器]|执行「URL特征」净化，关键词:[${keywords.join(', ')}]`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            const segmentGroups = processor._splitDiscontinuityGroups(lines);
            if (segmentGroups.length === 0) {
                return lines;
            }
            const adMatcher = processor._createKeywordMatcher(keywords);
            const state = processor._collectKeywordSliceState(segmentGroups, adMatcher, diagnosticsTool);
            return processor._finalizeKeywordSlice(lines, state, diagnosticsTool);
        },
    },
    BehaviorEngine: {
        runFalconV3Engine(processor, lines, baseUrl) {
            processor.log('[m3u8处理器]|「行为清扫」：启动，扫描典型短广告分组...', CONSTANTS.LOG_TYPES.CORE_SLICE);

            const { headerLines, segmentGroups } = processor._groupSegments(lines);
            if (segmentGroups.length < 2) {
                processor.log(
                    `[m3u8处理器]|「行为清扫」视频分组不足(少于2个)，不执行行为净化。`,
                    CONSTANTS.LOG_TYPES.CORE_SLICE
                );
                return { wasSliced: false, content: lines };
            }

            const classifiedGroups = processor._analyzeGroupFeatures(segmentGroups, baseUrl);
            return processor._filterAdGroups(classifiedGroups, headerLines, lines);
        },
        _groupSegments(processor, lines) {
            const state = processor._createSegmentGroupingState();
            lines.forEach((line) => processor._consumeSegmentGroupingLine(line, state));
            processor._flushSegmentGroup(state);
            return {
                headerLines: state.headerLines,
                segmentGroups: state.segmentGroups,
            };
        },
        _createSegmentGroupingState(processor) {
            return M3U8AdModel.Shared.createSegmentGroupingState();
        },
        _consumeSegmentGroupingLine(processor, line, state) {
            return M3U8AdModel.Shared.consumeSegmentGroupingLine(line, state);
        },
        _collectSegmentHeaderLine(processor, line, trimmed, state) {
            return M3U8AdModel.Shared.collectSegmentHeaderLine(line, trimmed, state);
        },
        _flushSegmentGroup(processor, state) {
            return M3U8AdModel.Shared.flushSegmentGroup(state);
        },
        _analyzeGroupFeatures(processor, segmentGroups, baseUrl) {
            const classified = segmentGroups.map((groupLines, index) => {
                const duration = processor._calculateSegmentGroupDuration(groupLines);
                const sequenceRange = processor._getSegmentGroupSequenceRange(groupLines);
                return processor._buildClassifiedSegmentGroup(groupLines, index, duration, sequenceRange);
            });
            processor._markBehavioralAdCandidates(classified);
            return classified;
        },
        _calculateSegmentGroupDuration(processor, group) {
            return M3U8AdModel.Shared.calculateGroupDuration(group);
        },
        _getSegmentGroupSequenceRange(processor, group) {
            const first = processor._getSegmentGroupBoundaryUrl(group, 'first');
            const last = processor._getSegmentGroupBoundaryUrl(group, 'last');
            return {
                start: first ? processor._extractSequenceNumber(first) : null,
                end: last ? processor._extractSequenceNumber(last) : null,
            };
        },
        _getSegmentGroupBoundaryUrl(processor, group, edge) {
            return M3U8AdModel.Shared.getSegmentGroupBoundaryUrl(group, edge);
        },
        _extractSequenceNumber(processor, value) {
            try {
                const filename = value.split('?')[0].split('/').pop();
                const dotIndex = filename.lastIndexOf('.');
                const basename = dotIndex > 0 ? filename.substring(0, dotIndex) : filename;
                if (
                    /^[a-f0-9]{16}$/i.test(basename) ||
                    /^[a-f0-9]{32}$/i.test(basename) ||
                    /^[a-f0-9]{8}-[a-f0-9]{4}-/i.test(basename)
                ) {
                    return null;
                }
                const match = filename.match(/(\d+)\.(ts|mp4|mkv|jpeg|jpg|png|image)$/i);
                if (match) {
                    return parseInt(match[1], 10);
                }
            } catch (e) {
                console.debug('Sequence extraction failed:', e);
            }
            return null;
        },
        _buildClassifiedSegmentGroup(processor, groupLines, index, duration, sequenceRange) {
            const segmentCount = M3U8AdModel.Shared.countAdSegments(groupLines);
            let score = 0;
            if (segmentCount > 0 && segmentCount <= 20 && duration <= 35) {
                score += 20;
            }
            return {
                lines: groupLines,
                isAdCandidate: false,
                segmentCount,
                totalDuration: duration,
                index,
                reason: '',
                score,
                seqStart: sequenceRange.start,
                seqEnd: sequenceRange.end,
            };
        },
        _markBehavioralAdCandidates(processor, classified) {
            for (let index = 1; index < classified.length - 1; index++) {
                const prev = classified[index - 1];
                const curr = classified[index];
                const next = classified[index + 1];
                if (curr.totalDuration > 180) {
                    continue;
                }
                if (processor._markSequenceBridgeAdCandidate(prev, curr, next)) {
                    continue;
                }
                processor._markContextualShortAdCandidate(prev, curr, next);
            }
        },
        _markSequenceBridgeAdCandidate(processor, prev, curr, next) {
            if (prev.seqEnd === null || next.seqStart === null || curr.seqStart === null) {
                return false;
            }
            const diffMain = next.seqStart - prev.seqEnd;
            if (diffMain < 1 || diffMain > 10) {
                return false;
            }
            const diffCurr = Math.abs(curr.seqStart - prev.seqEnd);
            if (diffCurr <= 100) {
                return false;
            }
            curr.isAdCandidate = true;
            curr.reason = `SequenceBridge(${diffMain}/${diffCurr})`;
            return true;
        },
        _markContextualShortAdCandidate(processor, prev, curr, next) {
            if (curr.score < 20 || curr.isAdCandidate) {
                return;
            }
            const isSandwiched = prev.totalDuration > 60 && next.totalDuration > 60;
            const isMidRoll = prev.totalDuration > 120 && curr.totalDuration < 45;
            if (isSandwiched || isMidRoll) {
                curr.isAdCandidate = true;
                curr.reason = `ContextualShort(Dur:${curr.totalDuration.toFixed(1)}s)`;
            }
        },
        _filterAdGroups(processor, classifiedGroups, headerLines, originalLines) {
            if (processor._shouldAbortBehavioralFiltering(classifiedGroups)) {
                return { wasSliced: false, content: originalLines };
            }
            const filterState = processor._createAdGroupFilterState(headerLines);
            classifiedGroups.forEach((group) => processor._appendFilteredSegmentGroup(group, filterState));
            processor._ensureFilteredPlaylistEndlist(originalLines, filterState.finalLines);
            if (filterState.removedGroups === 0) {
                return { wasSliced: false, content: originalLines };
            }
            return processor._finalizeBehavioralFiltering(filterState, originalLines);
        },
        _shouldAbortBehavioralFiltering(processor, classifiedGroups) {
            const adCandidateCount = classifiedGroups.filter((group) => group.isAdCandidate).length;
            const hardEvidenceCount = classifiedGroups.filter(
                (group) => group.isAdCandidate && group.reason.includes('SequenceBridge')
            ).length;
            if (hardEvidenceCount !== 0 || adCandidateCount === 0) {
                return false;
            }
            const adRatio = adCandidateCount / classifiedGroups.length;
            if (adRatio <= 0.8) {
                return false;
            }
            processor.log(
                `[m3u8处理器]|[安全锁] 疑似正片极其破碎，且无序列号硬证据，放弃过滤。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            return true;
        },
        _createAdGroupFilterState(processor, headerLines) {
            return {
                removedGroups: 0,
                removedSegments: 0,
                originalTimelineDuration: 0,
                hasAddedGroup: false,
                finalLines: [...headerLines],
            };
        },
        _appendFilteredSegmentGroup(processor, group, filterState) {
            if (group.isAdCandidate) {
                processor._appendAdFilteredSegmentGroup(group, filterState);
            } else {
                processor._appendPlayableFilteredSegmentGroup(group, filterState);
            }
            filterState.originalTimelineDuration += group.totalDuration;
        },
        _appendAdFilteredSegmentGroup(processor, group, filterState) {
            const { diagnosticsTool } = processor.context;
            filterState.removedGroups++;
            filterState.removedSegments += group.segmentCount;
            diagnosticsTool.slicingReport.slicedDuration += group.totalDuration;
            processor._appendAdFilteredSegmentFeature(group, diagnosticsTool);
            processor._appendAdFilteredSegmentRange(group, filterState, diagnosticsTool);
        },
        _appendAdFilteredSegmentFeature(processor, group, diagnosticsTool) {
            const feature = `<智能识别> (分片:${group.segmentCount}, 时长:${group.totalDuration.toFixed(1)}s, 原因:${group.reason})`;
            diagnosticsTool.slicingReport.foundFeatures.get('BEHAVIOR_MODEL').add(feature);
            processor.log(
                `[m3u8处理器]|「行为清扫」战果：移除广告组(${group.segmentCount}个分片, ${group.totalDuration.toFixed(1)}s) [${group.reason}]。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
        },
        _appendAdFilteredSegmentRange(processor, group, filterState, diagnosticsTool) {
            if (group.totalDuration <= 0) {
                return;
            }
            diagnosticsTool.slicingReport.slicedTimeRanges.push({
                start: filterState.originalTimelineDuration,
                end: filterState.originalTimelineDuration + group.totalDuration,
            });
        },
        _appendPlayableFilteredSegmentGroup(processor, group, filterState) {
            if (filterState.hasAddedGroup) {
                filterState.finalLines.push('#EXT-X-DISCONTINUITY');
            }
            filterState.finalLines.push(...group.lines);
            filterState.hasAddedGroup = true;
        },
        _ensureFilteredPlaylistEndlist(processor, originalLines, finalLines) {
            return M3U8AdModel.Shared.ensurePlaylistEndlist(originalLines, finalLines);
        },
        _finalizeBehavioralFiltering(processor, filterState, originalLines) {
            const { diagnosticsTool } = processor.context;
            diagnosticsTool.slicingReport.activatedEngines.add('BEHAVIOR_MODEL');
            diagnosticsTool.slicingReport.slicedGroups += filterState.removedGroups;
            diagnosticsTool.slicingReport.slicedSegments += filterState.removedSegments;
            processor.log(
                `[m3u8处理器]|净化报告：移除 ${filterState.removedGroups} 组广告 (含序列号异常识别)。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            if (processor.hasMediaSegments(filterState.finalLines)) {
                return { wasSliced: true, content: filterState.finalLines };
            }
            return { wasSliced: false, content: originalLines };
        },
        hasMediaSegments(processor, lines) {
            return M3U8AdModel.Shared.hasMediaSegments(lines);
        },
    },
};

const M3U8KeywordSlicer = M3U8AdModel.KeywordEngine;

const M3U8BehavioralAnalyzer = M3U8AdModel.BehaviorEngine;

const M3U8PlaylistResolver = {
    resolveRelativeUrls(processor, lines, baseUrl) {
        if (baseUrl.startsWith('data:')) {
            processor.log(`检测到Data URI，跳过URL解析，保留相对路径。`, CONSTANTS.LOG_TYPES.CORE_URL_RESOLVE);
            return lines;
        }
        processor.log(`解析M3U8中的相对URL，基础URL:${baseUrl}`, CONSTANTS.LOG_TYPES.CORE_URL_RESOLVE);
        return lines.map((line) => processor._resolveRelativeM3u8Line(line, baseUrl));
    },
    _resolveRelativeM3u8Line(processor, line, baseUrl) {
        const trimmed = line.trim();
        if (processor._shouldSkipRelativeM3u8Line(trimmed)) {
            return line;
        }
        try {
            if (!trimmed.startsWith('#')) {
                return processor._resolveRelativeMediaM3u8Line(line, trimmed, baseUrl);
            }
            return processor._resolveRelativeDirectiveM3u8Line(line, trimmed, baseUrl);
        } catch (e) {
            console.debug('Failed to resolve URL line in M3U8:', e);
        }
        return line;
    },
    _resolveRelativeMediaM3u8Line(processor, line, trimmed, baseUrl) {
        if (processor._isResolvableMediaLine(trimmed) && !processor._isAbsoluteUrl(trimmed)) {
            return processor._resolveRelativeUrlAgainstBase(trimmed, baseUrl);
        }
        return line;
    },
    _resolveRelativeDirectiveM3u8Line(processor, line, trimmed, baseUrl) {
        if (!processor._isResolvableDirectiveLine(trimmed)) {
            return line;
        }
        const uriMatch = trimmed.match(/URI="([^"]+)"/);
        const uri = uriMatch?.[1];
        if (uri && !processor._isAbsoluteUrl(uri)) {
            return trimmed.replace(uri, processor._resolveRelativeUrlAgainstBase(uri, baseUrl));
        }
        return line;
    },
    _shouldSkipRelativeM3u8Line(processor, trimmed) {
        return (
            trimmed.length === 0 ||
            (!trimmed.includes('URI=') &&
             trimmed.startsWith('#EXT') &&
             !trimmed.startsWith('#EXT-X-KEY') &&
             !trimmed.startsWith('#EXT-X-MEDIA'))
        );
    },
    _isResolvableMediaLine(processor, trimmed) {
        return /\.(ts|mp4|mkv|webm|flv|m3u8?|jpeg|jpg|png|image|m4s)(\?.*)?$/i.test(trimmed);
    },
    _isResolvableDirectiveLine(processor, trimmed) {
        return (
            trimmed.startsWith('#EXT-X-KEY') ||
            trimmed.startsWith('#EXT-X-MEDIA') ||
            trimmed.startsWith('#EXT-X-MAP')
        );
    },
    _isAbsoluteUrl(processor, url) {
        return /^(https?:)?\/\//.test(url);
    },
    _resolveRelativeUrlAgainstBase(processor, relative, baseUrl) {
        try {
            if (/^(https?:)?\/\//i.test(relative)) {
                return relative;
            }
            const target = new URL(relative, baseUrl);
            processor._mergeBaseSearchParamsIntoTarget(target, baseUrl);
            return target.href;
        } catch (e) {
            return relative;
        }
    },
    _mergeBaseSearchParamsIntoTarget(processor, target, baseUrl) {
        const base = new URL(baseUrl);
        if (!base.search) {
            return;
        }
        if (!target.search) {
            target.search = base.search;
            return;
        }
        const params = new URLSearchParams(target.search);
        new URLSearchParams(base.search).forEach((value, key) => {
            if (!params.has(key)) {
                params.set(key, value);
            }
        });
        target.search = params.toString();
    },
    _resolveInitialM3u8Url(processor, initialUrl) {
        try {
            return new URL(initialUrl).href;
        } catch (e) {
            const baseUrl = new URL(initialUrl, window.location.href).href;
            processor.log(
                `[m3u8处理器]|初始URL为相对路径，已拼接为绝对路径:${baseUrl}`,
                CONSTANTS.LOG_TYPES.CORE_URL_RESOLVE
            );
            return baseUrl;
        }
    },
    _isMasterPlaylist(processor, lines) {
        return lines.some((l) => l.startsWith('#EXT-X-STREAM-INF'));
    },
    _hasMediaEntries(processor, lines) {
        return lines.some((l) => l.startsWith('#EXTINF'));
    },
    _extractQualityUrls(processor, lines) {
        return lines.filter((l) => l.trim() && !l.startsWith('#') && (l.endsWith('.m3u8') || l.endsWith('.m3u')));
    },
    _selectBestQualityUrl(processor, qualityUrls) {
        const qualityRanks = {
            '2160p': 6,
            '1080p': 5,
            '720p': 4,
            '480p': 3,
            '360p': 2,
            '240p': 1,
        };
        let bestQuality = -1;
        let bestUrl = qualityUrls[qualityUrls.length - 1];
        qualityUrls.forEach((url) => {
            for (const q in qualityRanks) {
                if (url.toLowerCase().includes(q) && qualityRanks[q] > bestQuality) {
                    bestQuality = qualityRanks[q];
                    bestUrl = url;
                }
            }
        });
        processor.log(
            `[m3u8处理器]|解析完成,共${qualityUrls.length}个流。自动选择最高清晰度:${Object.keys(qualityRanks).find((k) => qualityRanks[k] === bestQuality) || '未知'}`,
            CONSTANTS.LOG_TYPES.STREAM_SELECT
        );
        return bestUrl;
    },
    _resolveNextVariantUrl(processor, lines) {
        const isMaster = processor._isMasterPlaylist(lines);
        if (isMaster) {
            processor.log(
                `[m3u8处理器]|发现MasterPlaylist，开始解析可用清晰度...`,
                CONSTANTS.LOG_TYPES.STREAM_SELECT
            );
        }
        const hasMedia = processor._hasMediaEntries(lines);
        if (!((isMaster && !hasMedia) || (lines.length < 5 && !hasMedia))) {
            return null;
        }
        const qualityUrls = processor._extractQualityUrls(lines);
        if (qualityUrls.length === 0) {
            return null;
        }
        return processor._selectBestQualityUrl(qualityUrls);
    },
    async _resolvePlaylistChain(processor, initialText, baseUrl, requestId, isValidSession) {
        let currentText = initialText;
        let currentUrl = baseUrl;
        for (let i = 0; i < CONSTANTS.LIMITS.MAX_M3U8_REDIRECT_DEPTH; i++) {
            if (!isValidSession()) {
                throw new Error('Request outdated');
            }
            const lines = currentText.split('\n');
            const nextUrlLine = processor._resolveNextVariantUrl(lines);
            if (!nextUrlLine) {
                break;
            }
            currentUrl = new URL(nextUrlLine, currentUrl).href;
            currentText = await processor.fetchText(currentUrl, isValidSession, requestId);
        }
        return { currentText, currentUrl };
    },
};

const M3U8ProcessingPipeline = {
    _applySmartSlicing(processor, processedLines, currentText, currentUrl, settingsManager, diagnosticsTool) {
        if (!settingsManager.config.isSmartSlicingEnabled) {
            processor.log('[m3u8处理器]|智能净化已禁用，跳过处理', CONSTANTS.LOG_TYPES.CORE_SLICE);
            return processedLines;
        }
        processedLines = processor._applyUrlFeatureSlicing(
            processedLines,
            currentText,
            currentUrl,
            diagnosticsTool
        );
        return processor._applyFalconSmartSlicing(processedLines, currentUrl);
    },
    _applyUrlFeatureSlicing(processor, processedLines, currentText, currentUrl, diagnosticsTool) {
        if (!currentText.includes('#EXT-X-DISCONTINUITY')) {
            processor.log(
                `[m3u8处理器]|决策：M3U8结构简单(无分组)，跳过路径分析以防误判，直接进入行为分析。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            return processedLines;
        }
        const urlKeywords = diagnosticsTool.analyzeUrlPatterns(currentText, currentUrl);
        if (urlKeywords?.length > 0) {
            processor.log(
                `[m3u8处理器]|决策：「URL特征」发现<高置信度>关键词，执行精准净化。`,
                CONSTANTS.LOG_TYPES.CORE_SLICE
            );
            return processor.sliceAdSegmentsByKeywords(processedLines, urlKeywords);
        }
        processor.log(`[m3u8处理器]|决策：「URL特征」未发现，转交「行为清扫」。`, CONSTANTS.LOG_TYPES.CORE_SLICE);
        return processedLines;
    },
    _applyFalconSmartSlicing(processor, processedLines, currentUrl) {
        const falconResult = processor.runFalconV3Engine(processedLines, currentUrl);
        if (falconResult.wasSliced) {
            return falconResult.content;
        }
        return processedLines;
    },
    _finalizeProcessedM3u8(processor, finalLines) {
        let result = finalLines.join('\n');
        if (!result.trim().startsWith('#EXTM3U')) {
            result = '#EXTM3U\n' + result;
        }
        return result;
    },
    _handleProcessFailure(processor, e, requestId, initialUrl) {
        if (e.message.includes('Request outdated')) {
            processor.log(
                `[m3u8处理器]|[ID:${requestId}] 任务已由新请求接管，停止处理旧请求。`,
                CONSTANTS.LOG_TYPES.INFO
            );
        } else {
            processor.log(
                `[m3u8处理器]|[ID:${requestId}]处理M3U8时出错:${initialUrl}, 错误:${e.message}`,
                CONSTANTS.LOG_TYPES.ERROR
            );
        }
    },
    async process(processor, initialText, initialUrl, requestId, isValidSession) {
        const { settingsManager, diagnosticsTool, playerManager } = processor.context;
        processor.log(`[m3u8处理器]|指令分发：将清单送往[广告过滤]模块进行净化。`, CONSTANTS.LOG_TYPES.CORE);

        let currentText = initialText;
        const baseUrl = processor._resolveInitialM3u8Url(initialUrl);

        try {
            const chain = await processor._resolvePlaylistChain(currentText, baseUrl, requestId, isValidSession);
            currentText = chain.currentText;
            const currentUrl = chain.currentUrl;

            if (!isValidSession()) {
                throw new Error('Request outdated');
            }

            playerManager.lastM3u8Content = currentText;
            let processedLines = currentText.split('\n');
            processedLines = processor._applySmartSlicing(
                processedLines,
                currentText,
                currentUrl,
                settingsManager,
                diagnosticsTool
            );

            const finalLines = processor.resolveRelativeUrls(processedLines, currentUrl);
            const result = processor._finalizeProcessedM3u8(finalLines);
            processor.log(
                `[m3u8处理器]|[ID:${requestId}] M3U8处理完成: 最终URL为${currentUrl}`,
                CONSTANTS.LOG_TYPES.CORE
            );
            return {
                original: currentText,
                processed: result,
                finalUrl: currentUrl,
            };
        } catch (e) {
            processor._handleProcessFailure(e, requestId, initialUrl);
            throw e;
        }
    },
};

class M3U8Processor extends BaseModule {
    constructor(context) {
        super(context, 'M3u8');
    }

    _logFetchRequest(url, requestId) {
        return M3U8FetchManager._logFetchRequest(this, url, requestId);
    }

    _shouldRetryFetch(err, retriesLeft) {
        return M3U8FetchManager._shouldRetryFetch(this, err, retriesLeft);
    }

    async _attemptFetchText(url, isValidSession, retriesLeft) {
        return await M3U8FetchManager._attemptFetchText(this, url, isValidSession, retriesLeft);
    }

    _applyFetchFailureToDiagnostics(err) {
        return M3U8FetchManager._applyFetchFailureToDiagnostics(this, err);
    }

    async fetchText(url, isValidSession, requestId) {
        return await M3U8FetchManager.fetchText(this, url, isValidSession, requestId);
    }

    rebuildFromGroups(originalLines, finalGroups, options = {}) {
        return M3U8KeywordSlicer.rebuildFromGroups(this, originalLines, finalGroups, options);
    }

    _buildGroupRebuildHeaderLines(originalLines, options = {}) {
        return M3U8KeywordSlicer._buildGroupRebuildHeaderLines(this, originalLines, options);
    }

    _appendRebuiltGroupLines(headerLines, finalGroups) {
        return M3U8KeywordSlicer._appendRebuiltGroupLines(this, headerLines, finalGroups);
    }

    _ensureRebuiltGroupsEndlist(originalLines, finalLines) {
        return M3U8KeywordSlicer._ensureRebuiltGroupsEndlist(this, originalLines, finalLines);
    }

    _createKeywordMatcher(keywords) {
        return M3U8KeywordSlicer._createKeywordMatcher(this, keywords);
    }

    _splitDiscontinuityGroups(lines) {
        return M3U8KeywordSlicer._splitDiscontinuityGroups(this, lines);
    }

    _calculateGroupDuration(group) {
        return M3U8KeywordSlicer._calculateGroupDuration(this, group);
    }

    _handleKeywordMatchedGroup(group, groupDuration, diagnosticsTool, state) {
        return M3U8KeywordSlicer._handleKeywordMatchedGroup(this, group, groupDuration, diagnosticsTool, state);
    }

    _collectKeywordSliceState(segmentGroups, adMatcher, diagnosticsTool) {
        return M3U8KeywordSlicer._collectKeywordSliceState(this, segmentGroups, adMatcher, diagnosticsTool);
    }

    _finalizeKeywordSlice(lines, state, diagnosticsTool) {
        return M3U8KeywordSlicer._finalizeKeywordSlice(this, lines, state, diagnosticsTool);
    }

    sliceAdSegmentsByKeywords(lines, keywords) {
        return M3U8KeywordSlicer.sliceAdSegmentsByKeywords(this, lines, keywords);
    }

    runFalconV3Engine(lines, baseUrl) {
        return M3U8BehavioralAnalyzer.runFalconV3Engine(this, lines, baseUrl);
    }

    _groupSegments(lines) {
        return M3U8BehavioralAnalyzer._groupSegments(this, lines);
    }

    _createSegmentGroupingState() {
        return M3U8BehavioralAnalyzer._createSegmentGroupingState(this);
    }

    _consumeSegmentGroupingLine(line, state) {
        return M3U8BehavioralAnalyzer._consumeSegmentGroupingLine(this, line, state);
    }

    _collectSegmentHeaderLine(line, trimmed, state) {
        return M3U8BehavioralAnalyzer._collectSegmentHeaderLine(this, line, trimmed, state);
    }

    _flushSegmentGroup(state) {
        return M3U8BehavioralAnalyzer._flushSegmentGroup(this, state);
    }

    _analyzeGroupFeatures(segmentGroups, baseUrl) {
        return M3U8BehavioralAnalyzer._analyzeGroupFeatures(this, segmentGroups, baseUrl);
    }

    _calculateSegmentGroupDuration(group) {
        return M3U8BehavioralAnalyzer._calculateSegmentGroupDuration(this, group);
    }

    _getSegmentGroupSequenceRange(group) {
        return M3U8BehavioralAnalyzer._getSegmentGroupSequenceRange(this, group);
    }

    _getSegmentGroupBoundaryUrl(group, edge) {
        return M3U8BehavioralAnalyzer._getSegmentGroupBoundaryUrl(this, group, edge);
    }

    _extractSequenceNumber(value) {
        return M3U8BehavioralAnalyzer._extractSequenceNumber(this, value);
    }

    _buildClassifiedSegmentGroup(groupLines, index, duration, sequenceRange) {
        return M3U8BehavioralAnalyzer._buildClassifiedSegmentGroup(
            this,
            groupLines,
            index,
            duration,
            sequenceRange
        );
    }

    _markBehavioralAdCandidates(classified) {
        return M3U8BehavioralAnalyzer._markBehavioralAdCandidates(this, classified);
    }

    _markSequenceBridgeAdCandidate(prev, curr, next) {
        return M3U8BehavioralAnalyzer._markSequenceBridgeAdCandidate(this, prev, curr, next);
    }

    _markContextualShortAdCandidate(prev, curr, next) {
        return M3U8BehavioralAnalyzer._markContextualShortAdCandidate(this, prev, curr, next);
    }

    _filterAdGroups(classifiedGroups, headerLines, originalLines) {
        return M3U8BehavioralAnalyzer._filterAdGroups(this, classifiedGroups, headerLines, originalLines);
    }

    _shouldAbortBehavioralFiltering(classifiedGroups) {
        return M3U8BehavioralAnalyzer._shouldAbortBehavioralFiltering(this, classifiedGroups);
    }

    _createAdGroupFilterState(headerLines) {
        return M3U8BehavioralAnalyzer._createAdGroupFilterState(this, headerLines);
    }

    _appendFilteredSegmentGroup(group, filterState) {
        return M3U8BehavioralAnalyzer._appendFilteredSegmentGroup(this, group, filterState);
    }

    _appendAdFilteredSegmentGroup(group, filterState) {
        return M3U8BehavioralAnalyzer._appendAdFilteredSegmentGroup(this, group, filterState);
    }

    _appendAdFilteredSegmentFeature(group, diagnosticsTool) {
        return M3U8BehavioralAnalyzer._appendAdFilteredSegmentFeature(this, group, diagnosticsTool);
    }

    _appendAdFilteredSegmentRange(group, filterState, diagnosticsTool) {
        return M3U8BehavioralAnalyzer._appendAdFilteredSegmentRange(this, group, filterState, diagnosticsTool);
    }

    _appendPlayableFilteredSegmentGroup(group, filterState) {
        return M3U8BehavioralAnalyzer._appendPlayableFilteredSegmentGroup(this, group, filterState);
    }

    _ensureFilteredPlaylistEndlist(originalLines, finalLines) {
        return M3U8BehavioralAnalyzer._ensureFilteredPlaylistEndlist(this, originalLines, finalLines);
    }

    _finalizeBehavioralFiltering(filterState, originalLines) {
        return M3U8BehavioralAnalyzer._finalizeBehavioralFiltering(this, filterState, originalLines);
    }

    hasMediaSegments(lines) {
        return M3U8BehavioralAnalyzer.hasMediaSegments(this, lines);
    }

    resolveRelativeUrls(lines, baseUrl) {
        return M3U8PlaylistResolver.resolveRelativeUrls(this, lines, baseUrl);
    }

    _resolveRelativeM3u8Line(line, baseUrl) {
        return M3U8PlaylistResolver._resolveRelativeM3u8Line(this, line, baseUrl);
    }

    _resolveRelativeMediaM3u8Line(line, trimmed, baseUrl) {
        return M3U8PlaylistResolver._resolveRelativeMediaM3u8Line(this, line, trimmed, baseUrl);
    }

    _resolveRelativeDirectiveM3u8Line(line, trimmed, baseUrl) {
        return M3U8PlaylistResolver._resolveRelativeDirectiveM3u8Line(this, line, trimmed, baseUrl);
    }

    _shouldSkipRelativeM3u8Line(trimmed) {
        return M3U8PlaylistResolver._shouldSkipRelativeM3u8Line(this, trimmed);
    }

    _isResolvableMediaLine(trimmed) {
        return M3U8PlaylistResolver._isResolvableMediaLine(this, trimmed);
    }

    _isResolvableDirectiveLine(trimmed) {
        return M3U8PlaylistResolver._isResolvableDirectiveLine(this, trimmed);
    }

    _isAbsoluteUrl(url) {
        return M3U8PlaylistResolver._isAbsoluteUrl(this, url);
    }

    _resolveRelativeUrlAgainstBase(relative, baseUrl) {
        return M3U8PlaylistResolver._resolveRelativeUrlAgainstBase(this, relative, baseUrl);
    }

    _mergeBaseSearchParamsIntoTarget(target, baseUrl) {
        return M3U8PlaylistResolver._mergeBaseSearchParamsIntoTarget(this, target, baseUrl);
    }

    _resolveInitialM3u8Url(initialUrl) {
        return M3U8PlaylistResolver._resolveInitialM3u8Url(this, initialUrl);
    }

    _isMasterPlaylist(lines) {
        return M3U8PlaylistResolver._isMasterPlaylist(this, lines);
    }

    _hasMediaEntries(lines) {
        return M3U8PlaylistResolver._hasMediaEntries(this, lines);
    }

    _extractQualityUrls(lines) {
        return M3U8PlaylistResolver._extractQualityUrls(this, lines);
    }

    _selectBestQualityUrl(qualityUrls) {
        return M3U8PlaylistResolver._selectBestQualityUrl(this, qualityUrls);
    }

    _resolveNextVariantUrl(lines) {
        return M3U8PlaylistResolver._resolveNextVariantUrl(this, lines);
    }

    async _resolvePlaylistChain(initialText, baseUrl, requestId, isValidSession) {
        return await M3U8PlaylistResolver._resolvePlaylistChain(
            this,
            initialText,
            baseUrl,
            requestId,
            isValidSession
        );
    }

    _applySmartSlicing(processedLines, currentText, currentUrl, settingsManager, diagnosticsTool) {
        return M3U8ProcessingPipeline._applySmartSlicing(
            this,
            processedLines,
            currentText,
            currentUrl,
            settingsManager,
            diagnosticsTool
        );
    }

    _applyUrlFeatureSlicing(processedLines, currentText, currentUrl, diagnosticsTool) {
        return M3U8ProcessingPipeline._applyUrlFeatureSlicing(
            this,
            processedLines,
            currentText,
            currentUrl,
            diagnosticsTool
        );
    }

    _applyFalconSmartSlicing(processedLines, currentUrl) {
        return M3U8ProcessingPipeline._applyFalconSmartSlicing(this, processedLines, currentUrl);
    }

    _finalizeProcessedM3u8(finalLines) {
        return M3U8ProcessingPipeline._finalizeProcessedM3u8(this, finalLines);
    }

    _handleProcessFailure(e, requestId, initialUrl) {
        return M3U8ProcessingPipeline._handleProcessFailure(this, e, requestId, initialUrl);
    }

    async process(initialText, initialUrl, requestId, isValidSession) {
        return await M3U8ProcessingPipeline.process(this, initialText, initialUrl, requestId, isValidSession);
    }
}

class SandboxManager extends BaseModule {
    constructor(context) {
        super(context, 'SandboxManager');
        this.iframeSandbox = null;
        this.sandboxReloadTimer = null;
        this.sandboxCountdownTimer = null;
        this.pendingReloadDelayTimer = null;
        this.lastActualReloadAt = 0;
        this.lastBoostAt = 0;
        this.hasGrantedSlowSiteExtraWait = false;
        this.hasTriggeredSandbox = false;
        this.hasLockedHighValueTarget = false;
        this.lastBridgeAssistAt = 0;
        this.bridgeAttemptState = new Map();
        this.bridgeCooldownState = new Map();
        this.sandboxTargetCooldownState = new Map();
        this.lastSandboxTargetKey = '';
        this.lastSandboxTargetMode = '';
        this.lastSandboxTargetStartedAt = 0;
        this._resetProgressTrackingState();
    }

    _resetProgressTrackingState() {
        this.lastBridgeCandidateKey = '';
        this.lastNestedPlayableSeenAt = 0;
        this.lastProgressAt = 0;
        this.lastProgressKind = '';
        this.lastProgressMeta = '';
        this.progressStage = 0;
        this.progressProtectUntil = 0;
        this.lastProgressLogAt = 0;
    }

    _isBridgeIframeCandidate(iframeOrSrc) {
        try {
            const src = typeof iframeOrSrc === 'string' ? iframeOrSrc : iframeOrSrc?.src || '';
            if (!src) {
                return false;
            }
            const url = new URL(src, window.location.href);
            const rawPath = (url.pathname || '').toLowerCase();
            const path = rawPath.replace(/\/+$/, '');
            const lastSegment = path.split('/').filter(Boolean).pop() || '';
            const queryValues = Array.from(url.searchParams.values()).filter(Boolean);
            const hasDirectMediaExt = /(?:\.m3u8|\.mp4|\.m3u|\.flv|\.mpd|\.webm|\.mov|\.mkv)(?:[?#]|$)/i.test(src);
            if (hasDirectMediaExt) {
                return false;
            }

            const looksLikePlayerPath = /(^|\/)(play|player|embed|watch|video|vod|stream)(\/|$)/i.test(path);
            const opaqueTail =
                  /^[a-z0-9_-]{8,}$/i.test(lastSegment) && !/\.(?:html?|php|asp|aspx|jsp)$/i.test(lastSegment);
            const opaqueQuery = queryValues.some(
                (value) =>
                /^[a-z0-9_%:/.-]{12,}$/i.test(String(value)) &&
                !/\.(?:m3u8|mp4|m3u|flv|mpd)(?:[?#]|$)/i.test(String(value))
            );
            const wrapperLike = looksLikePlayerPath && (opaqueTail || opaqueQuery);
            if (!wrapperLike) {
                return false;
            }

            const iframe = typeof iframeOrSrc === 'string' ? null : iframeOrSrc;
            if (iframe && Number(iframe.dmzMediaEvidence || 0) > 0) {
                return false;
            }
            return true;
        } catch (e) {
            return false;
        }
    }

    _getBridgeTargetKey(iframeOrSrc) {
        try {
            const src = typeof iframeOrSrc === 'string' ? iframeOrSrc : iframeOrSrc?.src || '';
            if (!src) {
                return '';
            }
            const url = new URL(src, window.location.href);
            const keyBase = `${url.hostname.toLowerCase()}${url.pathname.toLowerCase()}`;
            const firstOpaqueQuery =
                  Array.from(url.searchParams.entries()).find(([, value]) =>
                                                              /^[a-z0-9_%:/.-]{8,}$/i.test(String(value))
                                                             ) || null;
            return firstOpaqueQuery
                ? `${keyBase}?${firstOpaqueQuery[0]}=${String(firstOpaqueQuery[1]).toLowerCase()}`
                    : keyBase;
        } catch (e) {
            return String(
                typeof iframeOrSrc === 'string' ? iframeOrSrc : iframeOrSrc?.src || '' || ''
            ).toLowerCase();
        }
    }

    _recordSandboxProgress(kind, meta = '') {
        const stageMap = {
            bridge_detected: 10,
            significant_resize: 15,
            player_expand: 22,
            nested_iframe: 35,
            commander_lock: 45,
            soldier_started: 55,
            inner_scanner: 65,
            media_boot: 75,
            media_ready: 85,
            xhr_seen: 100,
        };
        const protectMap = {
            bridge_detected: 2500,
            significant_resize: 3000,
            player_expand: 3500,
            nested_iframe: 4000,
            commander_lock: 4000,
            soldier_started: 4500,
            inner_scanner: 3500,
            media_boot: 3000,
            media_ready: 3000,
            xhr_seen: 5000,
        };
        const now = Date.now();
        const stage = Number(stageMap[kind] || 1);
        const shouldAdvance =
              stage > this.progressStage ||
              kind !== this.lastProgressKind ||
              !this.lastProgressAt ||
              now - this.lastProgressAt > 1200;
        if (shouldAdvance) {
            this.progressStage = Math.max(this.progressStage, stage);
            this.lastProgressAt = now;
            this.lastProgressKind = kind;
            this.lastProgressMeta = String(meta || '');
        } else {
            this.lastProgressAt = now;
        }
        const protectMs = Number(protectMap[kind] || 1800);
        this.progressProtectUntil = Math.max(Number(this.progressProtectUntil || 0), now + protectMs);
    }

    _getProgressExtensionMs() {
        if (this.progressStage >= 85) {
            return 2400;
        }
        if (this.progressStage >= 75) {
            return 2600;
        }
        if (this.progressStage >= 65) {
            return 3000;
        }
        if (this.progressStage >= 55) {
            return 3400;
        }
        if (this.progressStage >= 45) {
            return 4000;
        }
        if (this.progressStage >= 35) {
            return 3500;
        }
        if (this.progressStage >= 22) {
            return 3500;
        }
        if (this.progressStage >= 15) {
            return 3000;
        }
        if (this.progressStage >= 10) {
            return 2500;
        }
        return 0;
    }

    _shouldDeferFallbackOnProgress() {
        if (!this.lastProgressAt) {
            return false;
        }
        const now = Date.now();
        if (this.progressProtectUntil && now < this.progressProtectUntil) {
            return true;
        }
        const elapsed = now - this.lastProgressAt;
        const extensionMs = this._getProgressExtensionMs();
        return extensionMs > 0 && elapsed < extensionMs;
    }

    _logProgressDeferral(reason, extensionMs) {
        const now = Date.now();
        if (this.lastProgressLogAt && now - this.lastProgressLogAt < 1200) {
            return;
        }
        this.lastProgressLogAt = now;
        const detail = this.lastProgressMeta ? `:${this.lastProgressMeta}` : '';
        this.log(
            `[沙箱]|📦|检测到阶段推进(${this.lastProgressKind}${detail})，追加${Math.ceil(extensionMs / 1000)}秒观察，暂不执行${reason}。`,
            CONSTANTS.LOG_TYPES.CORE
        );
    }

    _scheduleProgressExtension(reason, extensionMs, callback) {
        if (!(extensionMs > 0) || typeof callback !== 'function') {
            return false;
        }
        if (this.sandboxCountdownTimer) {
            clearTimeout(this.sandboxCountdownTimer);
            this.sandboxCountdownTimer = null;
        }
        this._logProgressDeferral(reason, extensionMs);
        this.sandboxCountdownTimer = setTimeout(() => {
            this.sandboxCountdownTimer = null;
            if (
                this.iframeSandbox ||
                this.context.playerManager.isPlayerActiveOrInitializing ||
                this.context.coreLogic.decisionInProgress
            ) {
                return;
            }
            callback();
        }, extensionMs);
        return true;
    }

    _scheduleSandboxTimeoutExtension(sandboxTarget, extensionMs) {
        if (!(extensionMs > 0)) {
            return false;
        }
        if (this.sandboxReloadTimer) {
            clearTimeout(this.sandboxReloadTimer);
            this.sandboxReloadTimer = null;
        }
        this._logProgressDeferral('策略切换', extensionMs);
        this.sandboxReloadTimer = setTimeout(() => {
            if (!this.iframeSandbox) {
                return;
            }
            this.log(
                `[沙箱]|📦|追加观察(${Math.round(extensionMs / 1000)}s)结束仍无有效信号。触发故障恢复...`,
                CONSTANTS.LOG_TYPES.WARN
            );
            this.cleanup();
            if (!this.context.playerManager.isPlayerActiveOrInitializing) {
                this.context.coreLogic.reportPlaybackFailure({
                    reason: 'Sandbox Timeout',
                });
            }
        }, extensionMs);
        return true;
    }

    _getBridgeAttemptEntry(iframeOrSrc) {
        const key = this._getBridgeTargetKey(iframeOrSrc);
        if (!key) {
            return null;
        }
        let entry = this.bridgeAttemptState.get(key);
        if (!entry) {
            entry = {
                fullPageAttempts: 0,
                preciseAttempts: 0,
                nestedSeenAt: 0,
                lastMode: '',
            };
            this.bridgeAttemptState.set(key, entry);
        }
        this.lastBridgeCandidateKey = key;
        return entry;
    }

    _markBridgeStrategyAttempt(iframeOrSrc, mode) {
        const entry = this._getBridgeAttemptEntry(iframeOrSrc);
        if (!entry) {
            return;
        }
        if (mode === 'bridge-fullpage') {
            entry.fullPageAttempts += 1;
        } else if (mode === 'bridge-precise') {
            entry.preciseAttempts += 1;
        }
        entry.lastMode = mode;
    }

    canRetryBridgeFlow() {
        const entry = this._getBridgeAttemptEntry(this.lastBridgeCandidateKey);
        if (!entry) {
            return false;
        }
        if (this.lastSandboxTargetMode !== 'bridge-fullpage') {
            return false;
        }
        if (this.progressStage < 15) {
            return false;
        }
        return entry.fullPageAttempts < 3;
    }

    _markBridgeNestedEvidence(iframeOrSrc = null) {
        const now = Date.now();
        this.lastNestedPlayableSeenAt = now;
        const key = iframeOrSrc ? this._getBridgeTargetKey(iframeOrSrc) : this.lastBridgeCandidateKey;
        if (!key) {
            return;
        }
        const entry = this._getBridgeAttemptEntry(key);
        if (!entry) {
            return;
        }
        entry.nestedSeenAt = now;
        this.bridgeCooldownState.delete(key);
        this._recordSandboxProgress('nested_iframe', key);
    }

    _getBridgeCooldownEntry(iframeOrSrc) {
        const key = this._getBridgeTargetKey(iframeOrSrc);
        if (!key) {
            return null;
        }
        let entry = this.bridgeCooldownState.get(key);
        if (!entry) {
            entry = {
                until: 0,
                failures: 0,
                reason: '',
            };
            this.bridgeCooldownState.set(key, entry);
        }
        return entry;
    }

    _getBridgeCooldownRemainingMs(iframeOrSrc) {
        const entry = this._getBridgeCooldownEntry(iframeOrSrc);
        if (!entry) {
            return 0;
        }
        const remainingMs = Number(entry.until || 0) - Date.now();
        if (remainingMs <= 0) {
            entry.until = 0;
            entry.reason = '';
            return 0;
        }
        return remainingMs;
    }

    _isBridgeCooldownActive(iframeOrSrc) {
        return this._getBridgeCooldownRemainingMs(iframeOrSrc) > 0;
    }

    _markBridgeCooldown(iframeOrSrc, reason = '桥接页超时空转', cooldownMs = 15000) {
        const key = this._getBridgeTargetKey(iframeOrSrc);
        if (!key) {
            return;
        }
        const entry = this._getBridgeCooldownEntry(key);
        if (!entry) {
            return;
        }
        const now = Date.now();
        entry.failures = Number(entry.failures || 0) + 1;
        entry.reason = String(reason || '桥接页超时空转');
        entry.until = Math.max(Number(entry.until || 0), now + Math.max(12000, Number(cooldownMs || 0)));
        this.log(
            `[桥接] 🧊同一桥接目标连续空转，进入${Math.ceil((entry.until - now) / 1000)}秒冷却，等待新的内层证据。`,
            CONSTANTS.LOG_TYPES.WARN
        );
    }

    _normalizeSandboxTargetKey(targetUrl) {
        try {
            if (!targetUrl) {
                return '';
            }
            const url = new URL(targetUrl, window.location.href);
            const keyBase = `${url.hostname.toLowerCase()}${url.pathname.toLowerCase()}`;
            const firstOpaqueQuery =
                  Array.from(url.searchParams.entries()).find(([, value]) =>
                                                              /^[a-z0-9_%:/.-]{8,}$/i.test(String(value))
                                                             ) || null;
            return firstOpaqueQuery
                ? `${keyBase}?${firstOpaqueQuery[0]}=${String(firstOpaqueQuery[1]).toLowerCase()}`
                    : keyBase;
        } catch (e) {
            return String(targetUrl || '').split('#')[0].toLowerCase();
        }
    }

    _getSandboxTargetCooldownEntry(targetUrl) {
        const key = this._normalizeSandboxTargetKey(targetUrl);
        if (!key) {
            return null;
        }
        let entry = this.sandboxTargetCooldownState.get(key);
        if (!entry) {
            entry = {
                until: 0,
                failures: 0,
                reason: '',
            };
            this.sandboxTargetCooldownState.set(key, entry);
        }
        return entry;
    }

    _getSandboxTargetCooldownRemainingMs(targetUrl) {
        const entry = this._getSandboxTargetCooldownEntry(targetUrl);
        if (!entry) {
            return 0;
        }
        const remainingMs = Number(entry.until || 0) - Date.now();
        if (remainingMs <= 0) {
            entry.until = 0;
            entry.reason = '';
            return 0;
        }
        return remainingMs;
    }

    _isSandboxTargetCooldownActive(targetUrl) {
        return this._getSandboxTargetCooldownRemainingMs(targetUrl) > 0;
    }

    _markSandboxTargetCooldown(targetUrl, reason = '同目标沙箱超时无信号', cooldownMs = 15000) {
        const key = this._normalizeSandboxTargetKey(targetUrl);
        if (!key) {
            return;
        }
        const entry = this._getSandboxTargetCooldownEntry(key);
        if (!entry) {
            return;
        }
        const now = Date.now();
        entry.failures = Number(entry.failures || 0) + 1;
        entry.reason = String(reason || '同目标沙箱超时无信号');
        entry.until = Math.max(Number(entry.until || 0), now + Math.max(15000, Number(cooldownMs || 0)));
        this.log(
            `[沙箱]|📦|同一目标已连续空转，进入${Math.ceil((entry.until - now) / 1000)}秒冷却，停止重复重载:${String(targetUrl).slice(-80)}`,
            CONSTANTS.LOG_TYPES.WARN
        );
    }

    _noteSandboxTargetLaunch(sandboxTarget) {
        this.lastSandboxTargetKey = this._normalizeSandboxTargetKey(sandboxTarget?.targetUrl || '');
        this.lastSandboxTargetMode = String(sandboxTarget?.mode || '');
        this.lastSandboxTargetStartedAt = Date.now();
    }

    _shouldSkipSandboxTargetReload(sandboxTarget) {
        const targetUrl = sandboxTarget?.targetUrl || '';
        if (!targetUrl) {
            return false;
        }
        const cooldownLeftMs = this._getSandboxTargetCooldownRemainingMs(targetUrl);
        if (!(cooldownLeftMs > 0)) {
            return false;
        }
        this.log(
            `[沙箱]|📦|同一目标仍在冷却(${Math.ceil(cooldownLeftMs / 1000)}s)，跳过重复重载:${String(targetUrl).slice(-80)}`,
            CONSTANTS.LOG_TYPES.WARN
        );
        const bestIframe = this._getBestSandboxIframe();
        if (bestIframe && this._isBridgeIframeCandidate(bestIframe)) {
            this.assistBridgeIframe(bestIframe);
        }
        return true;
    }

    _shouldEscalateBridgeToPrecise(bestIframe) {
        if (!bestIframe || !this._isBridgeIframeCandidate(bestIframe)) {
            return false;
        }
        if (this._isBridgeCooldownActive(bestIframe)) {
            return false;
        }
        const entry = this._getBridgeAttemptEntry(bestIframe);
        if (!entry) {
            return false;
        }
        const now = Date.now();
        const relaxed = entry.fullPageAttempts >= 1 || this.progressStage >= 15;
        const hasLiveNestedIframe = !!this._findNestedPlayableIframe(bestIframe, relaxed);
        const recentNested =
              hasLiveNestedIframe ||
              (entry.nestedSeenAt && now - entry.nestedSeenAt < 3000) ||
              (this.lastNestedPlayableSeenAt && now - this.lastNestedPlayableSeenAt < 3000);
        if (recentNested) {
            return false;
        }
        const hasDirectCandidate = !!this._extractDirectSandboxCandidateUrl(bestIframe);
        if (hasDirectCandidate) {
            return entry.fullPageAttempts >= 1 && entry.preciseAttempts < 1;
        }
        return entry.fullPageAttempts >= 2 && this.progressStage >= 15 && entry.preciseAttempts < 1;
    }

    _findNestedPlayableIframe(excludeIframe = null, relaxed = false) {
        try {
            const minW = relaxed ? 48 : 120;
            const minH = relaxed ? 36 : 80;
            const minScore = relaxed ? 60 : 90;
            const candidates = Array.from(document.querySelectorAll('iframe'))
            .filter((f) => {
                if (!f || f.id === 'dmz_sandbox_frame' || f === excludeIframe) {
                    return false;
                }
                const src = f.src || '';
                if (!src || src === 'about:blank') {
                    return false;
                }
                const rect = f.getBoundingClientRect?.() || {
                    width: f.offsetWidth || 0,
                    height: f.offsetHeight || 0,
                };
                if ((rect.width || 0) < minW || (rect.height || 0) < minH) {
                    return false;
                }
                if (this.context.frameCommunicator?._isDefinitelyNonVideoIframe?.(f, src)) {
                    return false;
                }
                const semanticHit =
                      /(^|\/)(play|player|embed|watch|video|vod|stream)(\/|$)|(?:\.m3u8|\.mp4|\.m3u|\.flv|\.mpd)(?:[?#]|$)/i.test(
                          src
                      );
                const score = this.getIframeScore(f);
                return semanticHit || score >= minScore;
            })
            .map((f) => ({
                iframe: f,
                score: this.getIframeScore(f),
                area: Math.round((f.offsetWidth || 0) * (f.offsetHeight || 0)),
            }))
            .sort((a, b) => b.score - a.score || b.area - a.area);
            return candidates[0]?.iframe || null;
        } catch (e) {
            return null;
        }
    }

    _shouldPreferFullPageSandbox(bestIframe) {
        if (!bestIframe) {
            return false;
        }
        if (!this._isBridgeIframeCandidate(bestIframe)) {
            return false;
        }
        const nested = this._findNestedPlayableIframe(bestIframe);
        return !nested;
    }

    assistBridgeIframe(bestIframe) {
        if (!bestIframe) {
            return;
        }
        const now = Date.now();
        if (now - this.lastBridgeAssistAt < 1800) {
            return;
        }
        this.lastBridgeAssistAt = now;
        this._getBridgeAttemptEntry(bestIframe);
        this.hasLockedHighValueTarget = true;
        this._recordSandboxProgress('bridge_detected', this._getBridgeTargetKey(bestIframe));
        this.log(
            `[桥接] 🎯识别为桥接型播放器，原7秒等待已废除，进入极速破壁模式！`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        try {
            if (bestIframe.contentWindow) {
                this.context.coreLogic.overlayManager.attachIframeTrigger(bestIframe, bestIframe.contentWindow);
            }
            Utils.dispatchMouseEventSequence(
                bestIframe,['pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click']
            );
        } catch (e) {}
        this._promoteBestIframeDirectSignal(bestIframe, '桥接页预判(URL参数直连)');
        this._startIframePoker(bestIframe);
        this.extendCountdown(1500, '桥接型播放器极速预热');
    }

    reload(consumeQuota = true) {
        if (this._isSandboxReloadBlocked()) {
            return;
        }
        if (this._shouldDelayHostSensitiveSandboxReload(consumeQuota)) {
            return;
        }
        if (this._shouldAbortRepeatedSandboxReload()) {
            return;
        }
        const sandboxTarget = this._resolveSandboxReloadTarget();
        if (!sandboxTarget) {
            return;
        }
        if (this._shouldSkipSandboxTargetReload(sandboxTarget)) {
            return;
        }
        this._markSandboxQuotaUsage(consumeQuota);
        this._noteSandboxReloadStarted();
        this._launchSandboxReload(sandboxTarget);
    }

    _isHostSandboxRateLimited() {
        return false;
    }

    _getHostSandboxCooldownMs() {
        return 0;
    }

    _shouldDelayHostSensitiveSandboxReload(consumeQuota) {
        const cooldownMs = this._getHostSandboxCooldownMs();
        if (!cooldownMs || !this.lastActualReloadAt) {
            return false;
        }

        const elapsed = Date.now() - this.lastActualReloadAt;
        if (elapsed >= cooldownMs) {
            return false;
        }

        if (this.pendingReloadDelayTimer) {
            return true;
        }

        const waitMs = cooldownMs - elapsed;
        this.log(
            `[沙箱]|📦|检测到站点节流风险，延迟${Math.ceil(waitMs / 1000)}秒后再尝试静默重载。`,
            CONSTANTS.LOG_TYPES.WARN
        );
        this.pendingReloadDelayTimer = setTimeout(() => {
            this.pendingReloadDelayTimer = null;
            if (
                this.context.playerManager.isPlayerActiveOrInitializing ||
                this.context.coreLogic.decisionInProgress ||
                this.context.coreLogic.isSystemHalted
            ) {
                return;
            }
            this.reload(consumeQuota);
        }, waitMs);

        return true;
    }

    _noteSandboxReloadStarted() {
        this.lastActualReloadAt = Date.now();
        this._clearPendingReloadDelayTimer();
    }

    _clearPendingReloadDelayTimer() {
        if (this.pendingReloadDelayTimer) {
            clearTimeout(this.pendingReloadDelayTimer);
            this.pendingReloadDelayTimer = null;
        }
    }

    _shouldAbortRepeatedSandboxReload() {
        if (!this.hasTriggeredSandbox) {
            return false;
        }
        this.log(`[沙箱]|📦|已执行过重载但仍未成功，停止尝试。`, CONSTANTS.LOG_TYPES.WARN);
        return true;
    }

    _resolveSandboxReloadTarget() {
        let targetUrl = window.location.href;
        let logMsg = '正在后台执行静默重载(全页模式)...';
        let mode = 'fullpage';
        try {
            const bestIframe = this._getBestSandboxIframe();
            if (bestIframe) {
                this._logSandboxIframeTarget(bestIframe);
                this._promoteBestIframeDirectSignal(bestIframe, '沙箱预判(URL参数直连)');
                this._startIframePoker(bestIframe);
                const isBridgeWrapper = this._isBridgeIframeCandidate(bestIframe);
                const bridgeEntry = isBridgeWrapper ? this._getBridgeAttemptEntry(bestIframe) : null;
                const relaxedNested = !!(bridgeEntry && (bridgeEntry.fullPageAttempts >= 1 || this.progressStage >= 15));
                const nestedBridgeIframe = isBridgeWrapper ? this._findNestedPlayableIframe(bestIframe, relaxedNested) : null;
                if (isBridgeWrapper && !nestedBridgeIframe?.src && this._isBridgeCooldownActive(bestIframe)) {
                    const cooldownLeftMs = this._getBridgeCooldownRemainingMs(bestIframe);
                    this.log(
                        `[桥接] 🧊同一桥接目标仍在冷却(${Math.ceil(cooldownLeftMs / 1000)}s)，跳过重复沙箱重载，继续等待新证据。`,
                        CONSTANTS.LOG_TYPES.WARN
                    );
                    return null;
                }
                if (nestedBridgeIframe?.src) {
                    targetUrl = nestedBridgeIframe.src;
                    mode = 'nested-precise';
                    logMsg = `正在后台执行静默重载(内层精准模式)，目标:${targetUrl.slice(-80)}`;
                    this.log(
                        `[桥接] 🧭检测到桥接页已展开内层播放器，直接切入内层目标。`,
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                    this._markBridgeNestedEvidence(bestIframe);
                } else if (this._shouldPreferFullPageSandbox(bestIframe)) {
                    if (this._shouldEscalateBridgeToPrecise(bestIframe)) {
                        targetUrl = bestIframe.src;
                        mode = 'bridge-precise';
                        logMsg = `正在后台执行静默重载(桥接型页面精准模式)，目标:${targetUrl.slice(-80)}`;
                        this.log(
                            `[桥接] 🧭已拿到桥接页直连线索，改为精准切入。`,
                            CONSTANTS.LOG_TYPES.CORE_EXEC
                        );
                        this._markBridgeStrategyAttempt(bestIframe, mode);
                    } else {
                        mode = 'bridge-fullpage';
                        logMsg = '正在后台执行静默重载(桥接型页面全页模式)...';
                        this.log(
                            `[桥接] 🧭当前高分目标更像桥接页，继续走全页模式等待其自行展开内层播放器。`,
                            CONSTANTS.LOG_TYPES.CORE_EXEC
                        );
                        this._markBridgeStrategyAttempt(bestIframe, mode);
                    }
                } else if (isBridgeWrapper) {
                    mode = 'bridge-fullpage';
                    logMsg = '正在后台执行静默重载(桥接型页面全页模式)...';
                    this.log(
                        `[桥接] 🧭尚未发现可直击的内层播放器，保持全页观察，不对桥接页外壳做精准重载。`,
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                    this._markBridgeStrategyAttempt(bestIframe, mode);
                } else {
                    targetUrl = bestIframe.src;
                    mode = 'precise';
                    logMsg = `正在后台执行静默重载(精准模式)，目标:${targetUrl.slice(-80)}`;
                }
            }
        } catch (e) {
            console.debug('Failed to evaluate iframes for sandbox:', e);
        }
        return {
            targetUrl,
            logMsg,
            mode,
            _bridgeKey: mode.startsWith('bridge-') ? this.lastBridgeCandidateKey : '',
        };
    }

    _getBestSandboxIframe() {
        return (
            this._collectPotentialSandboxIframes().sort(
                (a, b) => b.dmzScore - a.dmzScore || b.dmzArea - a.dmzArea
            )[0] || null
        );
    }

    _logSandboxIframeTarget(bestIframe) {
        this.hasLockedHighValueTarget = true;
        this.log(
            `[加速] 🎯锁定目标iFrame (Score:${bestIframe.dmzScore}, Src:${bestIframe.src.slice(-30)})，启动连发指令...`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
    }

    _launchSandboxReload(sandboxTarget) {
        this._noteSandboxTargetLaunch(sandboxTarget);
        this.log(`[沙箱]|📦|${sandboxTarget.logMsg}`, CONSTANTS.LOG_TYPES.CORE_IFRAME);
        this.cleanup();
        this.iframeSandbox = this._createSandboxFrame();
        this._loadSandboxFrame(sandboxTarget.targetUrl);
        this._armSandboxTimeout(sandboxTarget);
    }

    _isSandboxReloadBlocked() {
        return new URLSearchParams(window.location.search).has('dmz_sandbox');
    }

    _markSandboxQuotaUsage(consumeQuota) {
        if (consumeQuota) {
            this.hasTriggeredSandbox = true;
        }
    }

    _extractDirectSandboxCandidateUrl(iframeElement) {
        try {
            const iframeSrc = iframeElement?.src || '';
            if (!iframeSrc) {
                return null;
            }
            const directUrl = this.context.coreLogic._extractUrlFromParameter(iframeSrc);
            if (!(directUrl && directUrl !== iframeSrc && /^https?:\/\//.test(directUrl))) {
                return null;
            }
            if (
                !/(?:\.m3u8|\.mp4|\.m3u|\.flv|\.mpd)(?:[?#]|$)|\/(?:hls|play|vod|stream|video)\//i.test(directUrl)
            ) {
                return null;
            }
            return directUrl;
        } catch (e) {
            return null;
        }
    }

    _promoteBestIframeDirectSignal(bestIframe, sourceName = '沙箱预判(URL参数直连)') {
        const directUrl = this._extractDirectSandboxCandidateUrl(bestIframe);
        if (!directUrl && bestIframe && bestIframe.dmzScore >= 80 && bestIframe.src) {
            this.log(
                `[前置侦察] 对高分目标发起后台探测: ${bestIframe.src.slice(-40)}`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
            Utils.probeIframeForM3u8(bestIframe.src, this.context, '沙箱预判(后台HTML直搜)');
        }
        if (!directUrl) {
            return false;
        }
        if (directUrl === this.lastPromotedDirectUrl) {
            return true;
        }
        this.lastPromotedDirectUrl = directUrl;
        this.log(
            `[加速] 🎯从目标iFrame参数中提前提取直连地址:${directUrl.slice(-60)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.context.coreLogic.addTakeoverCandidate({
            url: directUrl,
            sourceName,
        });
        return true;
    }

    getIframeScore(f) {
        const r = f.getBoundingClientRect();
        if (r.width < 50 || r.height < 50) {
            return 0;
        }

        if (this.context.frameCommunicator?._isDefinitelyNonVideoIframe?.(f, f?.src || '')) {
            f.dmzScore = 0;
            f.dmzArea = r.width * r.height;
            f.dmzHardRejected = true;
            return 0;
        }

        if (
            this.context.frameCommunicator?._canPromoteIframeToTarget &&
            !this.context.frameCommunicator._canPromoteIframeToTarget(f, f?.src || '', 'sandbox-score')
        ) {
            f.dmzScore = 0;
            f.dmzArea = r.width * r.height;
            return 0;
        }

        let score = 0;
        const baseScore = this.context.frameCommunicator
        ? this.context.frameCommunicator._scoreFrameContext(f, f?.src || '')
        : 0;
        score += Math.max(0, baseScore);
        const directUrl = this._extractDirectSandboxCandidateUrl(f);
        if (directUrl) {
            score += 35;
        }
        if (
            directUrl &&
            /(?:\.m3u8|\.mp4|\.m3u|\.flv|\.mpd)(?:[?#]|$)|\/(?:hls|play|vod|stream|video)\//i.test(directUrl)
        ) {
            score += 25;
        }

        f.dmzScore = score;
        f.dmzArea = r.width * r.height;
        return score;
    }

    _collectPotentialSandboxIframes() {
        return Array.from(document.querySelectorAll('iframe')).filter((f) => {
            if (
                this.context.frameCommunicator?._canPromoteIframeToTarget &&
                !this.context.frameCommunicator._canPromoteIframeToTarget(f, f?.src || '', 'collect-sandbox')
            ) {
                return false;
            }
            const score = this.getIframeScore(f);
            return score > 0 || f.dmzArea > 80000;
        });
    }

    extendCountdown(duration, reason) {
        if (this.hasTriggeredSandbox || this.iframeSandbox) {
            return;
        }
        if (this.sandboxCountdownTimer && this.hasLockedHighValueTarget) {
            return;
        }

        const now = Date.now();
        if (!this.lastExtendAt) {
            this.lastExtendAt = 0;
        }
        if (now - this.lastExtendAt < 500) {
            return;
        }
        this.lastExtendAt = now;

        const arm = () => {
            this.sandboxCountdownTimer = setTimeout(() => {
                this.sandboxCountdownTimer = null;
                if (
                    this.iframeSandbox ||
                    this.context.playerManager.isPlayerActiveOrInitializing ||
                    this.context.coreLogic.decisionInProgress
                ) {
                    return;
                }
                if (this._shouldDeferFallbackOnProgress()) {
                    const extensionMs = this._getProgressExtensionMs();
                    if (
                        this._scheduleProgressExtension('策略切换', extensionMs, () => {
                            if (
                                this.iframeSandbox ||
                                this.context.playerManager.isPlayerActiveOrInitializing ||
                                this.context.coreLogic.decisionInProgress
                            ) {
                                return;
                            }
                            this.log(
                                '[沙箱]|📦|阶段推进已停滞，触发重载(不消耗次数)。',
                                CONSTANTS.LOG_TYPES.CORE_EXEC
                            );
                            this.reload(false);
                        })
                    ) {
                        return;
                    }
                }
                this.log('[沙箱]|📦|延长宽限期结束仍无信号，触发重载(不消耗次数)。', CONSTANTS.LOG_TYPES.CORE_EXEC);
                this.reload(false);
            }, duration);
        };

        if (this.sandboxCountdownTimer) {
            clearTimeout(this.sandboxCountdownTimer);
        }
        arm();
        this.log(`[沙箱]|📦|倒计时已更新(${duration}ms)「${reason}」。`, CONSTANTS.LOG_TYPES.CORE);
    }

    _startIframePoker(bestIframe) {
        let pokeCount = 0;
        Utils.startPollingTask(
            400,
            () => {
                if (pokeCount++ > 40 || this.context.playerManager.isPlayerActiveOrInitializing) {
                    return false;
                }
                try {
                    bestIframe.contentWindow.postMessage({ type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY }, '*');
                } catch (e) {
                    console.debug('Failed to poke iframe:', e);
                }
                return true;
            },
            'Iframe poker failed:'
        );
    }

    _createSandboxFrame() {
        return DomUtils.create('iframe', {
            id: 'dmz_sandbox_frame',
            sandbox: 'allow-scripts allow-same-origin',
            allow: 'autoplay; fullscreen; encrypted-media',
            style: {
                display: 'block',
                width: '100%',
                height: '100%',
                border: 'none',
                position: 'fixed',
                top: '0',
                left: '0',
                opacity: '0.001',
                visibility: 'visible',
                zIndex: '-2147483648',
                pointerEvents: 'none',
            },
        });
    }

    _loadSandboxFrame(targetUrl) {
        try {
            const newUrl = new URL(targetUrl, window.location.href);
            newUrl.searchParams.set('dmz_sandbox', 'true');
            this.iframeSandbox.src = newUrl.href;
            document.body.appendChild(this.iframeSandbox);
        } catch (e) {
            this.log(`[沙箱] URL构造失败: ${e.message}`, CONSTANTS.LOG_TYPES.ERROR);
        }
    }

    _armSandboxTimeout(sandboxTarget = null) {
        const mode = String(sandboxTarget?.mode || '');
        let timeoutMs = Number(sandboxTarget?._timeoutOverride || 0);
        if (!(timeoutMs > 0)) {
            timeoutMs = 15000;
            if (mode === 'bridge-fullpage') {
                timeoutMs = 12000;
            } else if (mode === 'bridge-precise' || mode === 'nested-precise') {
                timeoutMs = 12000;
            } else {
                const bestIframe = this._getBestSandboxIframe();
                const isBridgePath = this._shouldPreferFullPageSandbox(bestIframe);
                timeoutMs = isBridgePath ? 12000 : 15000;
            }
        }
        this.sandboxReloadTimer = setTimeout(() => {
            if (!this.iframeSandbox) {
                return;
            }
            if (this._shouldDeferFallbackOnProgress()) {
                const extensionMs = this._getProgressExtensionMs();
                if (this._scheduleSandboxTimeoutExtension(sandboxTarget, extensionMs)) {
                    return;
                }
            }
            this.log(
                `[沙箱]|📦|探测超时(${Math.round(timeoutMs / 1000)}s)，未发现新信号。触发故障恢复...`,
                CONSTANTS.LOG_TYPES.WARN
            );
            const isBridgeMode = mode === 'bridge-fullpage' || mode === 'bridge-precise';
            const isOuterPageReload =
                  sandboxTarget?.targetUrl &&
                  sandboxTarget.targetUrl.split('#')[0] === window.location.href.split('#')[0];
            if (sandboxTarget?.targetUrl && !(mode === 'bridge-fullpage' && isOuterPageReload)) {
                this._markSandboxTargetCooldown(
                    sandboxTarget.targetUrl,
                    '同目标沙箱超时无有效信号',
                    15000
                );
            }
            if (isBridgeMode) {
                this._markBridgeCooldown(
                    sandboxTarget?._bridgeKey || this.lastBridgeCandidateKey,
                    '桥接沙箱超时无有效信号',
                    15000
                );
            }
            this.cleanup();
            if (!this.context.playerManager.isPlayerActiveOrInitializing) {
                this.context.coreLogic.reportPlaybackFailure({
                    reason: 'Sandbox Timeout',
                });
            }
        }, timeoutMs);
    }

    startCountdown() {
        const { playerManager, coreLogic } = this.context;
        if (this._shouldSkipSandboxCountdown(playerManager, coreLogic)) {
            return;
        }
        if (this.sandboxCountdownTimer) {
            clearTimeout(this.sandboxCountdownTimer);
        }
        this.lastBoostAt = 0;
        this.hasGrantedSlowSiteExtraWait = false;
        this.log('[沙箱]视频页启动|⏳0.8秒首轮倒计时...', CONSTANTS.LOG_TYPES.CORE);
        this.sandboxCountdownTimer = setTimeout(() => {
            this.sandboxCountdownTimer = null;
            this._handleSandboxCountdown(playerManager, coreLogic);
        }, 800);
    }
    _shouldSkipSandboxCountdown(playerManager, coreLogic) {
        return (
            new URLSearchParams(window.location.search).has('dmz_sandbox') ||
            playerManager.isPlayerActiveOrInitializing ||
            coreLogic.isSystemHalted
        );
    }

    _handleSandboxCountdown(playerManager, coreLogic) {
        if (playerManager.isPlayerActiveOrInitializing || coreLogic.decisionInProgress) {
            return;
        }
        this._boostSandboxSignal();
        this._smartIdleWait(playerManager, coreLogic, 0);
    }

    _hasPendingHighConfidenceTargets() {
        const bestIframe = this._getBestSandboxIframe();
        return bestIframe && bestIframe.dmzScore >= 60;
    }

    _smartIdleWait(playerManager, coreLogic, waitCount) {
        if (playerManager.isPlayerActiveOrInitializing || coreLogic.decisionInProgress) {
            return;
        }

        const hasTarget = this._hasPendingHighConfidenceTargets();
        const isLoading = document.readyState !== 'complete';

        const maxWait = hasTarget ? 10 : isLoading ? 8 : 4;

        if (waitCount >= maxWait) {
            this.log(
                `[沙箱]|📦|动态观察期结束(页面已静默/高潜目标耗尽)，准备最终判决...`,
                CONSTANTS.LOG_TYPES.CORE
            );
            this._extendSandboxCountdown(playerManager, coreLogic, '[沙箱]|📦|执行二次激活并继续等待...');
            return;
        }

        if (waitCount === 0) {
            this.log(
                `[沙箱]|📦|${isLoading ? '页面加载中' : '页面已就绪'}${hasTarget ? '，但已锁定高潜目标' : ''}，启动智能防抖等待...`,
                CONSTANTS.LOG_TYPES.CORE
            );
        }

        this.sandboxCountdownTimer = setTimeout(() => {
            this.sandboxCountdownTimer = null;
            this._smartIdleWait(playerManager, coreLogic, waitCount + 1);
        }, 500);
    }

    _boostSandboxSignal() {
        try {
            const bestIframe = this._getBestSandboxIframe();
            if (!bestIframe) {
                return;
            }
            this.lastBoostAt = Date.now();
            this._logSandboxIframeTarget(bestIframe);
            if (bestIframe.contentWindow) {
                this.context.coreLogic.overlayManager.attachIframeTrigger(bestIframe, bestIframe.contentWindow);
            }
            this._promoteBestIframeDirectSignal(bestIframe, '沙箱加速(URL参数直连)');
            if (!bestIframe.contentWindow) {
                return;
            }
            bestIframe.contentWindow.postMessage({ type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY }, '*');
        } catch (e) {
            console.debug('Failed to boost sandbox signal:', e);
        }
    }

    _shouldGrantSlowSiteExtraWait() {
        if (this.hasGrantedSlowSiteExtraWait) {
            return false;
        }
        try {
            const bestIframe = this._getBestSandboxIframe();
            if (!bestIframe?.contentWindow) {
                return false;
            }
            const elapsed = this.lastBoostAt ? Date.now() - this.lastBoostAt : 0;
            if (elapsed > 3500) {
                return false;
            }
            const src = (bestIframe.src || '').toLowerCase();
            return bestIframe.dmzScore >= 85 || /(play|video|vod|embed|stream|m3u8|dplayer|prism)/.test(src);
        } catch (e) {
            return false;
        }
    }

    _extendSandboxCountdown(playerManager, coreLogic, logMessage) {
        this.log(logMessage, CONSTANTS.LOG_TYPES.CORE);
        this.sandboxCountdownTimer = setTimeout(() => {
            this.sandboxCountdownTimer = null;
            if (this.iframeSandbox || playerManager.isPlayerActiveOrInitializing || coreLogic.decisionInProgress) {
                return;
            }
            if (this._shouldDeferFallbackOnProgress()) {
                const extensionMs = this._getProgressExtensionMs();
                if (
                    this._scheduleProgressExtension('策略切换', extensionMs, () => {
                        if (
                            this.iframeSandbox ||
                            playerManager.isPlayerActiveOrInitializing ||
                            coreLogic.decisionInProgress
                        ) {
                            return;
                        }
                        this.log('[沙箱]|📦|阶段推进已停滞，触发重载(不消耗次数)。', CONSTANTS.LOG_TYPES.CORE_EXEC);
                        this.reload(false);
                    })
                ) {
                    return;
                }
            }
            if (this._shouldGrantSlowSiteExtraWait()) {
                this.hasGrantedSlowSiteExtraWait = true;
                this._boostSandboxSignal();
                this.log(
                    '[沙箱]|📦|检测到站点链路仍在响应，判定为网站侧较慢，追加宽限等待...',
                    CONSTANTS.LOG_TYPES.WARN
                );
                this.sandboxCountdownTimer = setTimeout(() => {
                    this.sandboxCountdownTimer = null;
                    if (
                        this.iframeSandbox ||
                        playerManager.isPlayerActiveOrInitializing ||
                        coreLogic.decisionInProgress
                    ) {
                        return;
                    }
                    if (this._shouldDeferFallbackOnProgress()) {
                        const extensionMs = this._getProgressExtensionMs();
                        if (
                            this._scheduleProgressExtension('策略切换', extensionMs, () => {
                                if (
                                    this.iframeSandbox ||
                                    playerManager.isPlayerActiveOrInitializing ||
                                    coreLogic.decisionInProgress
                                ) {
                                    return;
                                }
                                this.log(
                                    '[沙箱]|📦|追加宽限结束且阶段停滞，触发重载(不消耗次数)。',
                                    CONSTANTS.LOG_TYPES.CORE_EXEC
                                );
                                this.reload(false);
                            })
                        ) {
                            return;
                        }
                    }
                    this.log(
                        '[沙箱]|📦|追加宽限结束仍无信号，触发重载(不消耗次数)。',
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                    this.reload(false);
                }, 6000);
                return;
            }
            this.log('[沙箱]|📦|宽限期结束仍无信号，触发重载(不消耗次数)。', CONSTANTS.LOG_TYPES.CORE_EXEC);
            this.reload(false);
        }, 1000);
    }

    cancelCountdown(reason) {
        if (this.sandboxCountdownTimer) {
            clearTimeout(this.sandboxCountdownTimer);
            this.sandboxCountdownTimer = null;
            this.log(`[沙箱]|📦|倒计时已取消「${reason}」。`, CONSTANTS.LOG_TYPES.CORE);
        }
    }

    cleanup() {
        if (this.sandboxReloadTimer) {
            clearTimeout(this.sandboxReloadTimer);
            this.sandboxReloadTimer = null;
        }
        if (this.sandboxCountdownTimer) {
            clearTimeout(this.sandboxCountdownTimer);
            this.sandboxCountdownTimer = null;
        }
        this._clearPendingReloadDelayTimer();
        if (this.iframeSandbox) {
            this.iframeSandbox.remove();
            this.iframeSandbox = null;
            this.log(`iFrame沙箱已清理。`, CONSTANTS.LOG_TYPES.CORE_IFRAME);
        }
    }

    reset() {
        this.hasTriggeredSandbox = false;
        this.lastBoostAt = 0;
        this.hasGrantedSlowSiteExtraWait = false;
        this.hasLockedHighValueTarget = false;
        this.lastBridgeAssistAt = 0;
        this.bridgeAttemptState.clear();
        this.bridgeCooldownState.clear();
        this.sandboxTargetCooldownState.clear();
        this.lastSandboxTargetKey = '';
        this.lastSandboxTargetMode = '';
        this.lastSandboxTargetStartedAt = 0;
        this._resetProgressTrackingState();
        this._clearPendingReloadDelayTimer();
        this.cleanup();
    }
}

class OverlayManager extends BaseModule {
    constructor(context) {
        super(context, 'OverlayManager');
    }

    _getSmartAnchor(target) {
        let node = target.parentElement;
        while (node && node !== document.body) {
            const s = window.getComputedStyle(node);
            const isClipped = s.overflow === 'hidden' || s.overflowX === 'hidden' || s.overflowY === 'hidden';
            const isSmall = node.offsetHeight < target.offsetHeight || node.offsetWidth < target.offsetWidth;

            if (isClipped && isSmall) {
                node = node.parentElement;
                continue;
            }

            if (s.position !== 'static' || s.transform !== 'none' || s.contain === 'paint') {
                return node;
            }
            node = node.parentElement;
        }
        return document.body;
    }

    _getSafeZIndex(anchor, target = null, targetRect = null) {
        let max = 10;
        try {
            Array.from(anchor.children).forEach((el) => {
                const z = this._getNumericZIndex(el);
                if (z > max && z < 2147483640) {
                    max = z;
                }
            });
            if (!target) {
                return String(max + 1);
            }
            const resolvedRect = targetRect || target.getBoundingClientRect();
            const targetZ = this._getNumericZIndex(target);
            if (targetZ > max && targetZ < 2147483640) {
                max = targetZ;
            }
            let candidate = max + 1;
            let cap = 2147483639;
            this._collectOverlayBlockingElements(target, resolvedRect).forEach((el) => {
                const z = this._getNumericZIndex(el);
                if (z > 0) {
                    cap = Math.min(cap, z - 1);
                }
            });
            if (cap < 1) {
                cap = 1;
            }
            if (candidate > cap) {
                candidate = cap;
            }
            return String(candidate);
        } catch (e) {
            console.debug('Failed to get safe z-index:', e);
        }
        return '11';
    }

    _getNumericZIndex(element) {
        if (!element || element === document.body || element === document.documentElement) {
            return 0;
        }
        try {
            const z = parseInt(window.getComputedStyle(element).zIndex, 10);
            return Number.isFinite(z) ? z : 0;
        } catch (e) {
            return 0;
        }
    }

    _rectsIntersect(a, b) {
        return (
            !!a &&
            !!b &&
            a.width > 0 &&
            a.height > 0 &&
            b.width > 0 &&
            b.height > 0 &&
            !(a.right <= b.left || a.left >= b.right || a.bottom <= b.top || a.top >= b.bottom)
        );
    }

    _getOverlaySamplingPoints(targetRect) {
        const clamp = (value, min, max) => Math.min(max, Math.max(min, value));
        const insetX = Math.min(24, Math.max(8, targetRect.width * 0.1));
        const insetY = Math.min(24, Math.max(8, targetRect.height * 0.1));
        const maxX = Math.max(0, window.innerWidth - 1);
        const maxY = Math.max(0, window.innerHeight - 1);
        const left = clamp(targetRect.left + insetX, 0, maxX);
        const right = clamp(targetRect.right - insetX, 0, maxX);
        const centerX = clamp(targetRect.left + targetRect.width / 2, 0, maxX);
        const top = clamp(targetRect.top + insetY, 0, maxY);
        const bottom = clamp(targetRect.bottom - insetY, 0, maxY);
        const centerY = clamp(targetRect.top + targetRect.height / 2, 0, maxY);
        return [
            [centerX, top],
            [centerX, centerY],
            [centerX, bottom],
            [left, top],
            [right, top],
            [left, centerY],
            [right, centerY],
            [left, bottom],
            [right, bottom],
        ];
    }

    _isOverlayBlockingElement(element, target, targetRect) {
        if (!element || element === target || element === document.body || element === document.documentElement) {
            return false;
        }
        if (element.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
            return false;
        }
        if (element.contains(target) || target.contains(element)) {
            return false;
        }
        let style;
        try {
            style = window.getComputedStyle(element);
        } catch (e) {
            return false;
        }
        if (style.display === 'none' || style.visibility === 'hidden' || parseFloat(style.opacity || '1') === 0) {
            return false;
        }
        if (style.position !== 'fixed' && style.position !== 'sticky') {
            return false;
        }
        const rect = element.getBoundingClientRect();
        if (!this._rectsIntersect(targetRect, rect)) {
            return false;
        }
        const nearTop = rect.top <= 40;
        const nearBottom = window.innerHeight - rect.bottom <= 40;
        const isWideBar =
              rect.width >= window.innerWidth * 0.35 &&
              rect.height >= 28 &&
              rect.height <= Math.min(220, window.innerHeight * 0.35) &&
              (nearTop || nearBottom);
        const attrText =
              `${element.tagName || ''} ${element.id || ''} ${String(element.className || '')} ${element.getAttribute('role') || ''}`.toLowerCase();
        const hasMediaChild = element.matches('video, iframe') || !!element.querySelector('video, iframe');
        const isFloatingPlayer =
              rect.width >= 120 &&
              rect.height >= 68 &&
              rect.width <= window.innerWidth * 0.85 &&
              rect.height <= window.innerHeight * 0.85 &&
              (hasMediaChild || /(player|video|mini|float|pip|picture|dock)/.test(attrText));
        return isWideBar || isFloatingPlayer;
    }

    _collectOverlayBlockingElements(target, targetRect) {
        const blockers = [];
        const seen = new Set();
        this._getOverlaySamplingPoints(targetRect).forEach(([x, y]) => {
            let stack = [];
            try {
                stack = document.elementsFromPoint(x, y) || [];
            } catch (e) {
                stack = [];
            }
            stack.forEach((node) => {
                let current = node;
                while (current && current !== document.body && current !== document.documentElement) {
                    if (!seen.has(current) && this._isOverlayBlockingElement(current, target, targetRect)) {
                        seen.add(current);
                        blockers.push(current);
                    }
                    current = current.parentElement;
                }
            });
        });
        return blockers;
    }

    _syncOverlayZIndex(overlay, anchor, target, targetRect) {
        const rectKey = `${Math.round(targetRect.top)}:${Math.round(targetRect.left)}:${Math.round(targetRect.width)}:${Math.round(targetRect.height)}`;
        const now = performance.now();
        if (
            overlay._dmzZIndexRectKey === rectKey &&
            now - (overlay._dmzZIndexTimestamp || 0) < 250 &&
            overlay.style.zIndex
        ) {
            return;
        }
        overlay._dmzZIndexRectKey = rectKey;
        overlay._dmzZIndexTimestamp = now;
        overlay.style.zIndex = this._getSafeZIndex(anchor, target, targetRect);
    }

    _createTriggerOverlayElement(isPassive) {
        const overlay = DomUtils.create('div', {
            className: isPassive ? 'dmz-switch-overlay' : 'dmz-iframe-remote-trigger',
            style: {
                position: 'absolute',
                top: '0',
                left: '0',
                width: '0',
                height: '0',
                background: 'rgba(0,0,0,0.5)',
                display: isPassive ? 'none' : 'flex',
                alignItems: 'center',
                justifyContent: 'center',
                cursor: 'pointer',
                zIndex: 'auto',
                opacity: isPassive ? '1' : '0.8',
                visibility: 'hidden',
                pointerEvents: 'auto',
                transition: 'opacity 0.2s linear',
                userSelect: 'none',
                WebkitUserSelect: 'none',
                WebkitTouchCallout: 'none',
            },
        });
        overlay.innerHTML = `<div style="all:initial;width:64px;height:64px;background:rgba(28,28,30,.5);border-radius:50%;position:relative;box-shadow:0 2px 10px rgba(0,0,0,0.5);backdrop-filter:blur(5px);"><svg width="32" height="32" viewBox="0 0 24" fill="white" style="all:initial;display:block;width:32px;height:32px;fill:white;position:absolute;top:50%;left:50%;transform:translate(calc(-50% + 3.5px),calc(-50% + 3px));"><path d="M8 5v14l11-7z"></path></svg></div>`;
        return overlay;
    }

    _createTriggerOverlayCloseButton(onDismiss, overlay) {
        const closeBtn = DomUtils.create('div', {
            style: {
                position: 'absolute',
                top: '0',
                left: '0',
                width: '30px',
                height: '30px',
                background: 'rgba(0,0,0,0.6)',
                color: '#fff',
                display: 'flex',
                alignItems: 'center',
                justifyContent: 'center',
                cursor: 'pointer',
                zIndex: '100',
                borderBottomRightRadius: '8px',
                fontSize: '20px',
                fontWeight: 'bold',
            },
            textContent: '×',
            title: '关闭触发器',
            'data-dmz-trigger-close': 'true',
        });
        closeBtn.addEventListener('click', (e) => {
            e.preventDefault();
            e.stopPropagation();
            onDismiss(overlay);
        });
        return closeBtn;
    }

    _isTriggerOverlayCloseTarget(target) {
        return !!(
            target &&
            typeof target.closest === 'function' &&
            target.closest('[data-dmz-trigger-close="true"]')
        );
    }

    _createLongPressHandlers() {
        let longPressTimer;
        return {
            start: (e) => {
                if (
                    (e.type === 'mousedown' && e.button !== 0) ||
                    (e.type === 'touchstart' && e.touches.length > 1)
                ) {
                    return;
                }
                const playerHost = this.context.playerManager.hostElement;
                if (playerHost && playerHost.classList.contains('dmz-visible')) {
                    return;
                }
                longPressTimer = setTimeout(() => {
                    this.context.coreLogic.restorePageToOriginalState();
                    if (navigator.vibrate) {
                        navigator.vibrate(50);
                    }
                }, 1000);
            },
            cancel: () => clearTimeout(longPressTimer),
            clear: () => clearTimeout(longPressTimer),
        };
    }

    _bindOverlayContextMenu(overlay) {
        overlay.addEventListener('contextmenu', (e) => {
            e.preventDefault();
            e.stopPropagation();
        });
    }

    _bindOverlayLongPressEvents(overlay, longPressHandlers) {
        overlay.addEventListener('mousedown', (e) => {
            if (this._isTriggerOverlayCloseTarget(e.target)) {
                longPressHandlers.clear();
                return;
            }
            longPressHandlers.start(e);
        });
        overlay.addEventListener(
            'touchstart',
            (e) => {
                if (this._isTriggerOverlayCloseTarget(e.target)) {
                    longPressHandlers.clear();
                    return;
                }
                longPressHandlers.start(e);
            },
            {
                passive: true,
            }
        );
        ['mouseup', 'touchend', 'touchcancel', 'mouseleave'].forEach((evt) =>
                                                                     overlay.addEventListener(evt, longPressHandlers.cancel)
                                                                    );
    }

    _bindOverlayActivationEvent(overlay, onActivate, longPressHandlers) {
        let startX, startY, isDragging, startTime;

        const cleanup = () => {
            document.removeEventListener('pointermove', onPointerMove, { capture: true });
            document.removeEventListener('pointerup', onPointerUp, { capture: true });
            document.removeEventListener('pointercancel', onPointerCancel, { capture: true });
        };

        const onPointerCancel = () => {
            isDragging = true;
            cleanup();
        };

        const onPointerUp = (e) => {
            cleanup();
            if (this._isTriggerOverlayCloseTarget(e.target)) {
                isDragging = true;
                longPressHandlers.clear();
                return;
            }
            if (isDragging) return;
            const duration = Date.now() - startTime;
            if (duration > 350) return;

            e.preventDefault();
            e.stopPropagation();
            longPressHandlers.clear();
            onActivate(e, overlay);
        };

        const onPointerMove = (e) => {
            if (isDragging) return;
            const deltaX = Math.abs(e.clientX - startX);
            const deltaY = Math.abs(e.clientY - startY);
            if (deltaX > 10 || deltaY > 10) {
                isDragging = true;
                cleanup();
            }
        };

        overlay.addEventListener('pointerdown', (e) => {
            if (e.button !== 0 || this._isTriggerOverlayCloseTarget(e.target)) return;
            isDragging = false;
            startX = e.clientX;
            startY = e.clientY;
            startTime = Date.now();
            document.addEventListener('pointermove', onPointerMove, { capture: true });
            document.addEventListener('pointerup', onPointerUp, { capture: true });
            document.addEventListener('pointercancel', onPointerCancel, { capture: true });
        });
    }

    _appendOverlay(anchor, overlay) {
        overlay.style.zIndex = this._getSafeZIndex(anchor);
        anchor.appendChild(overlay);
    }

    _isCrossOriginFrameContext() {
        let isCross = false;
        try {
            isCross = window.self.location.origin !== window.top.location.origin;
        } catch (e) {
            isCross = true;
        }
        return !CONSTANTS.IS_TOP_FRAME && isCross;
    }

    _hideDetachedOverlay(target, overlay) {
        if (!target.isConnected) {
            overlay.remove();
            return true;
        }
        return !overlay.isConnected;
    }

    _applyBodyOverlayPosition(overlay, targetRect) {
        const scrollX = window.scrollX || window.pageXOffset;
        const scrollY = window.scrollY || window.pageYOffset;
        overlay.style.top = `${targetRect.top + scrollY}px`;
        overlay.style.left = `${targetRect.left + scrollX}px`;
    }

    _applyAnchoredOverlayPosition(overlay, targetRect, anchor) {
        const anchorRect = anchor.getBoundingClientRect();
        overlay.style.top = `${targetRect.top - anchorRect.top + anchor.scrollTop}px`;
        overlay.style.left = `${targetRect.left - anchorRect.left + anchor.scrollLeft}px`;
    }

    _applyOverlayRect(overlay, targetRect) {
        overlay.style.width = `${targetRect.width}px`;
        overlay.style.height = `${targetRect.height}px`;
    }

    _showOverlayIfAllowed(overlay, isPassive) {
        if (!isPassive) {
            overlay.style.display = 'flex';
        }
        if (!isPassive && !overlay.dataset.userHidden) {
            overlay.style.opacity = '1';
        }
    }

    _updateOverlayPosition(target, overlay, anchor, isPassive) {
        if (this._hideDetachedOverlay(target, overlay)) {
            return;
        }
        if (this._shouldDeferOverlayPositionInCrossFrame(overlay, target, anchor, isPassive)) {
            return;
        }
        this._applyOverlayPositionState(target, overlay, anchor, isPassive);
        requestAnimationFrame(() => this._updateOverlayPosition(target, overlay, anchor, isPassive));
    }

    _shouldDeferOverlayPositionInCrossFrame(overlay, target, anchor, isPassive) {
        if (!this._isCrossOriginFrameContext()) {
            return false;
        }
        overlay.style.display = 'none';
        requestAnimationFrame(() => this._updateOverlayPosition(target, overlay, anchor, isPassive));
        return true;
    }

    _getTrueVideoRect(target, rawRect) {
        let trueRect = { top: rawRect.top, left: rawRect.left, width: rawRect.width, height: rawRect.height, right: rawRect.right, bottom: rawRect.bottom };
        let vw = 0, vh = 0;
        if (target.tagName === 'VIDEO' && target.videoWidth && target.videoHeight) {
            vw = target.videoWidth;
            vh = target.videoHeight;
        } else if (target.tagName === 'IFRAME') {
            if (target.dataset.dmzVideoWidth && target.dataset.dmzVideoHeight) {
                vw = parseFloat(target.dataset.dmzVideoWidth);
                vh = parseFloat(target.dataset.dmzVideoHeight);
            } else {
                try {
                    const innerVideo = target.contentDocument?.querySelector('video');
                    if (innerVideo && innerVideo.videoWidth && innerVideo.videoHeight) {
                        vw = innerVideo.videoWidth;
                        vh = innerVideo.videoHeight;
                    }
                } catch (e) {}
            }
        }
        if (!vw || !vh) return trueRect;
        const cRatio = rawRect.width / rawRect.height;
        const vRatio = vw / vh;
        if (Math.abs(cRatio - vRatio) < 0.01) return trueRect;
        if (cRatio > vRatio) {
            const actualWidth = rawRect.height * vRatio;
            const offsetX = (rawRect.width - actualWidth) / 2;
            trueRect.width = actualWidth;
            trueRect.left = rawRect.left + offsetX;
            trueRect.right = trueRect.left + actualWidth;
        } else {
            const actualHeight = rawRect.width / vRatio;
            const offsetY = (rawRect.height - actualHeight) / 2;
            trueRect.height = actualHeight;
            trueRect.top = rawRect.top + offsetY;
            trueRect.bottom = trueRect.top + actualHeight;
        }
        return trueRect;
    }

    _applyOverlayPositionState(target, overlay, anchor, isPassive) {
        const rawRect = target.getBoundingClientRect();
        if (this._isOverlayTargetOutOfViewport(rawRect)) {
            overlay.style.display = 'none';
            return;
        }
        const targetRect = this._getTrueVideoRect(target, rawRect);
        this._showOverlayIfAllowed(overlay, isPassive);
        this._applyOverlayAnchorPosition(overlay, targetRect, anchor);
        this._applyOverlayRect(overlay, targetRect);
        this._syncOverlayZIndex(overlay, anchor, target, targetRect);
    }

    _isOverlayTargetOutOfViewport(targetRect) {
        return (
            targetRect.width === 0 ||
            targetRect.height === 0 ||
            targetRect.bottom < 0 ||
            targetRect.top > window.innerHeight
        );
    }

    _applyOverlayAnchorPosition(overlay, targetRect, anchor) {
        if (anchor === document.body) {
            this._applyBodyOverlayPosition(overlay, targetRect);
            return;
        }
        this._applyAnchoredOverlayPosition(overlay, targetRect, anchor);
    }

    _primeOverlayPlacement(target, overlay, anchor) {
        const rawRect = target.getBoundingClientRect();
        if (this._isOverlayTargetOutOfViewport(rawRect)) {
            overlay.style.display = 'none';
            return;
        }
        const targetRect = this._getTrueVideoRect(target, rawRect);
        this._applyOverlayAnchorPosition(overlay, targetRect, anchor);
        this._applyOverlayRect(overlay, targetRect);
        this._syncOverlayZIndex(overlay, anchor, target, targetRect);
    }

    _revealPrimedOverlay(target, overlay, anchor, isPassive) {
        if (!overlay.isConnected) {
            return;
        }
        overlay.style.visibility = 'visible';
        this._updateOverlayPosition(target, overlay, anchor, isPassive);
    }

    createTriggerOverlay(target, onActivate, onDismiss, isPassive = false) {
        const overlay = this._createTriggerOverlayElement(isPassive);
        const closeBtn = this._createTriggerOverlayCloseButton(onDismiss, overlay);
        const longPressHandlers = this._createLongPressHandlers();

        overlay.appendChild(closeBtn);
        this._bindOverlayContextMenu(overlay);
        this._bindOverlayLongPressEvents(overlay, longPressHandlers);
        this._bindOverlayActivationEvent(overlay, onActivate, longPressHandlers);

        const anchor = this._getSmartAnchor(target);
        this._primeOverlayPlacement(target, overlay, anchor);
        this._appendOverlay(anchor, overlay);
        requestAnimationFrame(() => this._revealPrimedOverlay(target, overlay, anchor, isPassive));
        return overlay;
    }

    _shouldSkipIframeTrigger(iframeElement) {
        const { coreLogic } = this.context;
        if (coreLogic.isSystemHalted || coreLogic.isRestoreInProgress) {
            return true;
        }
        return (
            iframeElement.dataset.dmzHasTrigger === 'true' || iframeElement.dataset.dmzTriggerDismissed === 'true'
        );
    }

    _markIframeTriggerAttached(iframeElement) {
        iframeElement.dataset.dmzHasTrigger = 'true';
        this.log(`[跨域交互]|☎️|为Iframe添加智能层级触发器...`, CONSTANTS.LOG_TYPES.UI);
    }

    _createIframeDismissHandler(iframeElement) {
        return (overlay) => {
            iframeElement.dataset.dmzTriggerDismissed = 'true';
            overlay.remove();
        };
    }

    _resetActivatedOverlay(overlay) {
        if (!overlay || !overlay.isConnected) {
            return;
        }
        overlay.style.opacity = '0.35';
        overlay.style.pointerEvents = 'none';
        overlay.dataset.userHidden = 'busy';
        if (overlay.dmzRestoreTimer) {
            clearTimeout(overlay.dmzRestoreTimer);
        }
        overlay.dmzRestoreTimer = setTimeout(() => {
            if (!overlay.isConnected) {
                return;
            }
            if (overlay.dataset.userHidden === 'busy') {
                delete overlay.dataset.userHidden;
            }
            overlay.style.opacity = '1';
            overlay.style.pointerEvents = 'auto';
        }, 1800);
    }

    _rearmDomScanner(domScanner) {
        domScanner.isStopped = false;
        domScanner.init();
    }

    _postIframeTriggerMessage(sourceWindow, payload, failureMessage, failureType = CONSTANTS.LOG_TYPES.ERROR) {
        try {
            sourceWindow.postMessage(payload, '*');
            return true;
        } catch (err) {
            if (failureMessage) {
                this.log(`${failureMessage}:${err.message}`, failureType);
            } else {
                console.debug('Post message to iframe failed:', err);
            }
            return false;
        }
    }

    _tryReplayLastSuccessfulUrl(coreLogic, sourceWindow) {
        if (!(coreLogic.lastSuccessfulUrl && coreLogic.lastSuccessfulUrl.startsWith('http'))) {
            return false;
        }
        this.log(
            `[记忆回溯]|🌀|顶层直接复用历史地址进行重播:${coreLogic.lastSuccessfulUrl.slice(-50)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        coreLogic.addTakeoverCandidate({
            url: coreLogic.lastSuccessfulUrl,
            sourceName: '跨域遥控触发器(顶层记忆重播)',
        });
        this._postIframeTriggerMessage(sourceWindow, { type: CONSTANTS.MESSAGE_TYPES.IFRAME_TRIGGER_CLICK }, '');
        return true;
    }

    _requestIframeSearch(sourceWindow) {
        this.log(`[跨域交互]|☎️|无历史记忆，向Iframe发送搜寻指令...`, CONSTANTS.LOG_TYPES.COMM);
        this._postIframeTriggerMessage(
            sourceWindow,
            { type: CONSTANTS.MESSAGE_TYPES.IFRAME_TRIGGER_CLICK },
            `[跨域交互]|☎️|指令发送失败`
            );
    }

    _createIframeActivateHandler(sourceWindow, domScanner, coreLogic) {
        return (e, overlay) => {
            if (coreLogic.isRestoreInProgress) {
                return;
            }
            this.log(`[跨域交互]|☎️|外部触发器被点击...`, CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH);
            this._resetActivatedOverlay(overlay);

            coreLogic.isSystemHalted = false;
            coreLogic.setUserIntentToSwitch('replay');
            this._rearmDomScanner(domScanner);

            if (this._tryReplayLastSuccessfulUrl(coreLogic, sourceWindow)) {
                return;
            }

            this._requestIframeSearch(sourceWindow);
        };
    }

    _attachOverlayLifecycleHooks(overlay) {
        overlay.dmzUpdatePos = () => {
            if (overlay.dmzRestoreTimer) {
                clearTimeout(overlay.dmzRestoreTimer);
                overlay.dmzRestoreTimer = null;
            }
            delete overlay.dataset.userHidden;
            overlay.style.opacity = '1';
            overlay.style.pointerEvents = 'auto';
        };
        overlay.cleanup = () => {
            if (overlay.dmzRestoreTimer) {
                clearTimeout(overlay.dmzRestoreTimer);
                overlay.dmzRestoreTimer = null;
            }
            overlay.remove();
        };
    }

    attachIframeTrigger(iframeElement, sourceWindow) {
        const { domScanner, coreLogic } = this.context;
        if (this._shouldSkipIframeTrigger(iframeElement)) {
            return;
        }

        this._markIframeTriggerAttached(iframeElement);
        const onDismiss = this._createIframeDismissHandler(iframeElement);
        const onActivate = this._createIframeActivateHandler(sourceWindow, domScanner, coreLogic);
        const overlay = this.createTriggerOverlay(iframeElement, onActivate, onDismiss, false);
        this._attachOverlayLifecycleHooks(overlay);
    }
}

class CoreLogic extends BaseModule {
    constructor(context) {
        super(context, 'CoreLogic');
        this._initializeCoreState();
        this._initializeCoreModules(context);
    }

    _initializeCoreState() {
        Object.assign(this, CoreStateFactory.createDefaults());
    }

    _initializeCoreModules(context) {
        this.m3u8Processor = new M3U8Processor(context);
        this.sandboxManager = new SandboxManager(context);
        this.overlayManager = new OverlayManager(context);
    }

    startPersistentEnforcer() {
        CoreEnforcer.start(this);
    }

    stopPersistentEnforcer() {
        CoreEnforcer.stop(this);
    }

    handleRemoteTriggerClick() {
        CoreRemoteTrigger.handleClick(this);
    }

    restorePageToOriginalState() {
        CoreRestoreManager.restorePageToOriginalState(this);
    }

    initializeUserIntentObserver() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        document.addEventListener('click', (e) => this._handleUserIntentClick(e), true);
        this.log('用户意图监听器已部署。', CONSTANTS.LOG_TYPES.INIT);
    }

    _handleUserIntentClick(e) {
        if (this.isSystemHalted || !e.isTrusted) {
            return;
        }
        const target = this._getUserIntentTarget(e);
        if (!target || this._isIgnoredIntentTarget(e, target)) {
            return;
        }
        if (this._matchKeywordIntentTarget(target)) {
            return;
        }
        this._matchGenericIntentTarget(target);
    }

    _getUserIntentTarget(e) {
        const rawNode = e.target;
        const rawTarget =
              rawNode?.nodeType === Node.ELEMENT_NODE ? rawNode : rawNode?.parentElement;
        if (!rawTarget || typeof rawTarget.closest !== 'function') {
            return null;
        }

        const strongTarget = rawTarget.closest('a, button, [role="button"], [class*="episode"], [class*="item"],[class*="play"], [class*="line"]');
        if (strongTarget) {
            return strongTarget;
        }

        const liTarget = rawTarget.closest('li');
        if (!liTarget) {
            return rawTarget;
        }

        const text = (liTarget.textContent || '').trim();
        const attr = DomUtils.getAttrSignature(liTarget);

        if (
            liTarget.hasAttribute('role') ||
            liTarget.hasAttribute('tabindex') ||
            /play|player|route|line|source|episode|switch|tab|btn|option|播放|线路|路线|选集|切换|源/i.test(attr) ||
            /第|集|话|季|EP\d+|E\d+|播放|线路|路线|源/i.test(text)
        ) {
            return liTarget;
        }

        return rawTarget;
    }

    _isIgnoredIntentTarget(e, target) {
        const { playerManager } = this.context;
        const path = e.composedPath();
        if (
            (playerManager.hostElement && path.includes(playerManager.hostElement)) ||
            target.closest(`#${CONSTANTS.IDS.SETTINGS_PANEL}`)
        ) {
            return true;
        }
        const rect = target.getBoundingClientRect();
        const screenArea = window.innerWidth * window.innerHeight;
        return rect.width * rect.height > screenArea * 0.25;
    }

    _matchKeywordIntentTarget(target) {
        const text = (target.textContent || '').trim();
        if (
            !(
                text.length > 0 &&
                text.length < 12 &&
                (/第|集|话|季|EP\d+|E\d+|下一|上一|重播|Play|播放|刷新|路线|线路|源|高清|极速|PV|CM|Prev|Next|^[<>«»◀▶‹›]$/i.test(text) ||
                 /^\d{1,4}$/.test(text))
            )
        ) {
            return false;
        }
        this.setUserIntentToSwitch();
        this.log(`👆 [交互] 命中关键词[${text}]，许可。`, CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH);
        return true;
    }

    _matchGenericIntentTarget(target) {
        const tag = target?.tagName?.toUpperCase();
        if (!tag || !['A', 'BUTTON', 'LI', 'SPAN', 'DIV', 'IMG', 'SVG'].includes(tag)) {
            return false;
        }
        const rect = target.getBoundingClientRect();
        if (rect.width * rect.height >= 100000) {
            return false;
        }

        const attrStr = DomUtils.getAttrSignature(target);
        const isStrongSwitchIntent = /(episode|next|prev|switch|play|list|item|route|line|线路|路线|选集|切换|源)/i.test(attrStr);

        if (!isStrongSwitchIntent) {
            if (
                SHARED_PATTERNS.NEGATIVE_UI_KEYWORDS.test(attrStr) ||
                /(window-off|guanbi|close|detail-score|play-score|评分|评论|comment|reply|review|rating)/i.test(attrStr)
            ) {
                return false;
            }

            if (
                !Utils.isElementInPrimaryMediaRegion(target) ||
                !target.closest?.(CONSTANTS.SELECTORS.PLAYER_CONTEXT)
            ) {
                return false;
            }
        }

        const cls = (target.className || '').toString().toLowerCase();
        this.setUserIntentToSwitch();
        this.log(
            `👆 [交互] 泛点击捕获[${tag}.${cls.length > 50 ? cls.slice(0, 50) + '...' : cls}]，解锁决策锁。`,
            CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH
        );
        return true;
    }

    setUserIntentToSwitch(mode = 'switch') {
        this.sandboxManager.cancelCountdown('用户交互');
        const isReplayMode = mode === 'replay';
        this.log(
            isReplayMode
            ? ' [用户操作]|👇|🔁检测到重播意图，重置决策锁但保留当前视频归属。'
            : ' [用户操作]|👇|🔐检测到点击，强制重置所有决策锁，为新视频让路。',
            CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH
        );

        if (!isReplayMode && this.lastSuccessfulUrl) {
            this.staleVideoUrl = this.lastSuccessfulUrl;
        }

        this.userIntendsToSwitch = true;
        this.decisionInProgress = false;
        this.decisionMade = false;
        this.failedCandidateKeys.clear();

        if (this.userActionTimeout) {
            clearTimeout(this.userActionTimeout);
        }
        this.userActionTimeout = setTimeout(() => {
            this.userIntendsToSwitch = false;
        }, 10000);
    }

    _getNormalizationKey(url) {
        if (typeof url !== 'string') {
            return null;
        }
        if (url.startsWith('blob:')) {
            return url;
        }
        try {
            const urlObj = new URL(url);
            if (urlObj.hostname.includes('googlevideo.com')) {
                return url.split('?')[0];
            }
            return urlObj.href;
        } catch (e) {
            return url;
        }
    }

    _extractUrlFromParameter(urlString) {
        try {
            const urlObj = new URL(urlString, window.location.href);
            for (const param of ['url', 'src', 'vid', 'play_url']) {
                if (urlObj.searchParams.has(param)) {
                    const nestedUrl = urlObj.searchParams.get(param);
                    if (nestedUrl && (nestedUrl.startsWith('http') || nestedUrl.startsWith('/'))) {
                        this.log(`在URL参数'${param}'中提取到真实视频地址。`, CONSTANTS.LOG_TYPES.CORE_URL_RESOLVE);
                        return nestedUrl;
                    }
                }
            }
        } catch (e) {
            console.debug('Failed to extract URL from parameters:', e);
        }
        return urlString;
    }

    async addTakeoverCandidate(candidateInfo) {
        await CoreCandidateIntake.addTakeoverCandidate(this, candidateInfo);
    }

    _getQualityScore(url, isM3) {
        return CoreQualityManager.getQualityScore(url, isM3);
    }

    _getCandidateReliabilityScore(candidateInfo = {}) {
        return CoreQualityManager.getCandidateReliabilityScore(this, candidateInfo);
    }

    reportPlaybackFailure(failureContext = {}) {
        CoreFailureRecovery.reportPlaybackFailure(this, failureContext);
    }

    async sendPlayCommand(type, content) {
        await CorePlaybackDirector.sendPlayCommand(this, type, content);
    }

    _invalidateMediaQueryCache() {
        if (!this.mediaQueryCache) {
            this.mediaQueryCache = {
                stamp: 0,
                result: [],
            };
            return;
        }
        this.mediaQueryCache.stamp = 0;
        this.mediaQueryCache.result = [];
    }

    collectMediaFromRoot(root) {
        const media = [];
        const visited = new Set();
        this._collectMediaFromTree(root, media, visited);
        return media;
    }

    findAllVideosAndAudioInPage(forceRefresh = false) {
        const cache = this.mediaQueryCache || {
            stamp: 0,
            result: [],
        };
        const now = performance.now();
        if (!forceRefresh && now - Number(cache.stamp || 0) <= 180) {
            return cache.result;
        }
        const media = [];
        const visited = new Set();
        if (document.body) {
            this._collectMediaFromTree(document.body, media, visited);
        }
        this.mediaQueryCache = {
            stamp: now,
            result: media,
        };
        return media;
    }

    _collectMediaFromTree(root, media, visited) {
        if (!root || visited.has(root)) {
            return;
        }
        visited.add(root);
        try {
            const shadowRoots = [];
            if (root.nodeType === Node.ELEMENT_NODE) {
                if (/^(VIDEO|AUDIO)$/.test(root.tagName)) {
                    media.push(root);
                }
                if (root.shadowRoot) {
                    shadowRoots.push(root.shadowRoot);
                }
            }
            const walker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
            let current = walker.nextNode();
            while (current) {
                if (/^(VIDEO|AUDIO)$/.test(current.tagName)) {
                    media.push(current);
                }
                if (current.shadowRoot) {
                    shadowRoots.push(current.shadowRoot);
                }
                current = walker.nextNode();
            }
            shadowRoots.forEach((shadowRoot) => this._collectMediaFromTree(shadowRoot, media, visited));
        } catch (e) {
            console.debug('Failed to query media nodes:', e);
        }
    }

    neutralizeOriginalPlayer(media, initialState = 'active') {
        if (this._shouldSkipNeutralization(media)) {
            return null;
        }

        if (this._handleExistingNeutralization(media, initialState)) {
            return null;
        }

        const isPassive = this._isPassiveNeutralization(initialState);
        const parent = media.parentElement;
        this._prepareNeutralizationSession(media, isPassive);
        this._applyNeutralizationState(media, parent, isPassive);
        const overlay = this._createNeutralizationOverlay(media, parent, isPassive);
        this._attachOverlayObserver(media, overlay, isPassive);
        this._applyNeutralizationPlaybackOverrides(media, isPassive);
        return this._finalizeNeutralizationObserver(media, isPassive);
    }

    _isPassiveNeutralization(initialState) {
        return initialState === 'passive';
    }

    _prepareNeutralizationSession(media, isPassive) {
        if (!isPassive) {
            this._enableManagedModules();
        }
        this.context.actionLogger.log(
            `开始改造原生 ${media.tagName} 为切换触发器...`,
            CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE
        );
        this._prepareMediaNeutralization(media, isPassive);
    }

    _applyNeutralizationState(media, parent, isPassive) {
        if (!isPassive) {
            this._applyActiveMediaSuppression(media);
        }
        this._bindNeutralizedMediaEvents(media);
        this._prepareNeutralizedParent(parent);
    }

    _createNeutralizationOverlay(media, parent, isPassive) {
        const onDismiss = this._buildDismissHandler(media, parent);
        const onActivate = this._buildActivateHandler(media);
        return this.overlayManager.createTriggerOverlay(media, onActivate, onDismiss, isPassive);
    }

    _applyNeutralizationPlaybackOverrides(media, isPassive) {
        if (!isPassive) {
            this._overrideMediaPlaybackMethods(media);
        }
    }

    _finalizeNeutralizationObserver(media, isPassive) {
        const attributeObserver = this._createNeutralizedAttributeObserver(media);
        if (!isPassive) {
            this.startPersistentEnforcer();
            this.activeNeutralizers.add(attributeObserver);
        }
        return attributeObserver;
    }

    _shouldSkipNeutralization(media) {
        if (this._isNeutralizationGloballyBlocked(media)) {
            return true;
        }
        if (this._isNeutralizationMediaUnavailable(media)) {
            return true;
        }
        if (this._isNeutralizationProtectedMedia(media)) {
            return true;
        }
        if (this._isSecondaryPreviewMedia(media)) {
            return true;
        }
        return this._isNeutralizationAdMedia(media);
    }

    _isSecondaryPreviewMedia(media) {
        if (!media || media.tagName !== 'VIDEO') {
            return false;
        }
        if (media.controls || (!media.muted && media.volume > 0)) {
            return false;
        }
        if (this.context.playerManager && this.context.playerManager.videoElement === media) {
            return false;
        }

        const mainPlayerSelectors = '.prism-player, .jwplayer, .dplayer, .plyr, .art-video-player, .video-js, .fp-ui, [class*="player" i]:not([class*="players" i]), [id*="player" i]';
        if (media.closest(mainPlayerSelectors)) {
            return false;
        }

        if (media.closest('a')) {
            return true;
        }

        const previewSelectors = 'li, ul, [class*="item" i], [class*="list" i],[class*="thumb" i], [class*="card" i], [class*="preview" i],[class*="grid" i], [class*="feed" i], [class*="teaser" i],[class*="gallery" i]';
        if (media.closest(previewSelectors)) {
            return true;
        }

        const rect = media.getBoundingClientRect();
        if (rect.width > 0 && rect.height > 0) {
            if (rect.width < window.innerWidth * 0.9 && rect.height < window.innerHeight * 0.5) {
                return true;
            }
            if (rect.width <= 450 && rect.height <= 300) {
                return true;
            }
            if (rect.top > window.innerHeight * 0.7 || rect.bottom < window.innerHeight * 0.2) {
                return true; 
            }
        }

        const allVideos = document.querySelectorAll('video');
        if (allVideos.length > 1) {
            let largest = null;
            let maxArea = 0;
            allVideos.forEach(v => {
                const r = v.getBoundingClientRect();
                const area = r.width * r.height;
                if (area > maxArea) {
                    maxArea = area;
                    largest = v;
                }
            });
            if (largest && largest !== media) {
                return true;
            }
        }

        return false;
    }

    _isNeutralizationGloballyBlocked(media) {
        return (
            this.isSystemHalted ||
            this.isRestoreInProgress ||
            !media ||
            media.id === CONSTANTS.IDS.PLAYER ||
            media.dataset.dmzDismissed === 'true'
        );
    }

    _isNeutralizationMediaUnavailable(media) {
        return !media.isConnected;
    }

    _isNeutralizationProtectedMedia(media) {
        if (this._isOffPageLinkMedia(media)) {
            return true;
        }
        if (this._isMiniAutoplayMedia(media)) {
            return true;
        }
        if (this._isLoopingDecorativeMedia(media)) {
            return true;
        }
        return this._isArtplayerProtectedMedia(media);
    }

    _isNeutralizationAdMedia(media) {
        const src = media.src || media.querySelector('source')?.src;
        return !!(src && PageScanner.isPreRollAdByPathFeatures(src, this.context));
    }

    _isOffPageLinkMedia(media) {
        const parentLink = media.closest('a');
        if (
            !parentLink ||
            !parentLink.href ||
            parentLink.href.includes('#') ||
            parentLink.href.includes('javascript:')
        ) {
            return false;
        }
        const currentUrl = window.location.href.split('#')[0].split('?')[0];
        return !parentLink.href.includes(currentUrl);
    }

    _isMiniAutoplayMedia(media) {
        return media.muted && media.autoplay && !media.controls && media.videoWidth > 0 && media.videoWidth < 300;
    }

    _isLoopingDecorativeMedia(media) {
        return media.loop && !media.controls;
    }

    _isArtplayerProtectedMedia(media) {
        return (
            media.closest('.artplayer-app, .artplayer-wrapper') &&
            !this.decisionInProgress &&
            this.takeoverCandidates.size === 0
        );
    }

    _handleExistingNeutralization(media, initialState) {
        if (media.dataset.dmzNeutralized && media.dmzOverlay && !media.dmzOverlay.isConnected) {
            delete media.dataset.dmzNeutralized;
            delete media.dataset.dmzSourceLocked;
            delete media.dataset.dmzDismissed;
            media.dmzOverlay = null;
        }

        if (media.dataset.dmzNeutralized === 'true') {
            if (!media.paused && media.dataset.dmzAllowSignalGeneration !== 'true') {
                media.pause();
            }
            if (!media.muted) {
                media.muted = true;
            }
            return true;
        }

        if (media.dataset.dmzNeutralized === 'passive' && initialState === 'passive') {
            return true;
        }

        if (media.dataset.dmzNeutralized === 'passive' && initialState === 'active') {
            this._activatePassiveNeutralization(media);
            return true;
        }

        return false;
    }

    _activatePassiveNeutralization(media) {
        this.context.actionLogger.log(
            `[智能穿透] 监测到视频源转正，立即激活压制器！`,
            CONSTANTS.LOG_TYPES.CORE_NEUTRALIZE
        );
        media.dataset.dmzNeutralized = 'true';
        if (media.dmzOverlay) {
            media.dmzOverlay.style.display = 'flex';
            media.dmzOverlay.style.opacity = '1';
            media.dmzOverlay.style.pointerEvents = 'auto';
        }
        media.pause();
        media.muted = true;
    }

    _enableManagedModules() {
        ManagedModules.enableConfigured(this.context);
    }

    _prepareMediaNeutralization(media, isPassive) {
        const originalSrc = media.src || media.querySelector('source[src]')?.src;
        if (originalSrc) {
            media.dataset.dmzOriginalSrc = originalSrc;
        }
        media.dataset.dmzNeutralized = isPassive ? 'passive' : 'true';
        media.dmzOverlay = null;
        media.style.removeProperty('visibility');
    }

    _applyActiveMediaSuppression(media) {
        media.pause();
        media.muted = true;
        media.volume = 0;
        media.autoplay = false;
        media.loop = false;
        media.removeAttribute('autoplay');

        if (!media.dataset.dmzVolumeSaved) {
            media.dataset.dmzVolumeSaved = 'true';
            media.dataset.dmzOriginalVolume = media.volume || 1.0;
        }
    }

    _createPreventPlayHandler(media) {
        return (e) => {
            if (
                media.dataset.dmzNeutralized === 'passive' ||
                media.dataset.dmzAllowSignalGeneration === 'true' ||
                !e.isTrusted
            ) {
                return;
            }
            media.pause();
            media.muted = true;
            e.stopPropagation();
            e.stopImmediatePropagation();
        };
    }

    _bindNeutralizedMediaEvents(media) {
        media._dmzPreventPlay = this._createPreventPlayHandler(media);
        ['play', 'playing'].forEach((evt) => media.addEventListener(evt, media._dmzPreventPlay, true));
        media.addEventListener(
            'canplay',
            () => {
                if (
                    media.dataset.dmzNeutralized !== 'passive' &&
                    media.dataset.dmzAllowSignalGeneration !== 'true'
                ) {
                    media.pause();
                    media.muted = true;
                }
            },
            { once: false, passive: true }
        );
    }

    _prepareNeutralizedParent(parent) {
        if (!parent) {
            return;
        }
        if (window.getComputedStyle(parent).position === 'static') {
            parent.style.position = 'relative';
        }
        const r = parent.getBoundingClientRect();
        if (r.width > 50 && r.height < 20) {
            parent.style.minHeight = (r.width * 9) / 16 + 'px';
            parent.dataset.dmzFixHeight = 'true';
        }
    }

    _buildDismissHandler(media, parent) {
        return (overlay) => {
            this._restoreNeutralizedParentLayout(parent);
            this._removeNeutralizedOverlay(overlay, media);
            this._clearNeutralizedMediaFlags(media);
            this._restoreNeutralizedMediaPlaybackMethods(media);
            this._restoreNeutralizedMediaPresentation(media);
        };
    }

    _restoreNeutralizedParentLayout(parent) {
        if (!(parent && parent.dataset.dmzFixHeight)) {
            return;
        }
        parent.style.minHeight = '';
        delete parent.dataset.dmzFixHeight;
    }

    _removeNeutralizedOverlay(overlay, media) {
        overlay.remove();
        this.neutralizedMedia.delete(media);
    }

    _clearNeutralizedMediaFlags(media) {
        media.dataset.dmzDismissed = 'true';
        delete media.dataset.dmzNeutralized;
        delete media.dataset.dmzSourceLocked;
    }

    _restoreNeutralizedMediaPlaybackMethods(media) {
        try {
            delete media.play;
            delete media.pause;
        } catch (e) {
            console.debug('Failed to delete media methods:', e);
        }
    }

    _restoreNeutralizedMediaPresentation(media) {
        media.style.visibility = '';
        media.style.opacity = '';
        media.style.pointerEvents = '';
        media.muted = false;
        media.controls = true;
    }

    _buildActivateHandler(media) {
        return (e, overlay) => {
            if (this.isRestoreInProgress) {
                return;
            }
            this._prepareNeutralizedOverlayActivation(overlay);
            if (this._activateNeutralizedOverlayDirect(media)) {
                return;
            }
            if (this._activateNeutralizedOverlayPassive()) {
                return;
            }
            if (this._activateFromLastSuccessfulUrl()) {
                return;
            }
            this._requestActivationFallback();
        };
    }

    _prepareNeutralizedOverlayActivation(overlay) {
        this._prepareOverlayActivation(overlay);
        this._recordOverlayActivationIntent();
        this._scanTopFrameActivationHints();
    }

    _activateNeutralizedOverlayDirect(media) {
        const directUrl = this._getActivationDirectUrl(media);
        return this._activateFromDirectUrl(directUrl);
    }

    _activateNeutralizedOverlayPassive() {
        const bestMatch = this._getBestPassiveActivationCandidate();
        return this._activateFromPassiveCandidate(bestMatch);
    }

    _prepareOverlayActivation(overlay) {
        if (!overlay.intersectionObserver) {
            return;
        }
        overlay.intersectionObserver.disconnect();
        overlay.intersectionObserver = null;
    }

    _recordOverlayActivationIntent() {        
        this.setUserIntentToSwitch('replay');
        this.context.actionLogger.log(
            `播放器触发器被点击，系统已重置，准备捕获视频流...`,
            CONSTANTS.LOG_TYPES.PLAYBACK_SWITCH
        );
    }

    _scanTopFrameActivationHints() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        PageScanner.scanForFlashvars(this.context);
        PageScanner.scanForEmbeddedData(this.context);
    }

    _getActivationDirectUrl(media) {
        return media.src || media.querySelector('source')?.src || media.dataset.dmzOriginalSrc;
    }

    _activateFromDirectUrl(directUrl) {
        if (!directUrl || !directUrl.startsWith('http')) {
            return false;
        }
        this.context.actionLogger.log(
            `[直接激活] 发现当前元素已有有效直链，立即播放: ${directUrl.slice(-30)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.addTakeoverCandidate({
            url: directUrl,
            sourceName: '原生播放器触发器(直连)',
        });
        return true;
    }

    _getBestPassiveActivationCandidate() {
        const passiveArr = Array.from(this.passiveCandidates.values()).reverse();
        return passiveArr.find((c) => c.m3u8Text || Utils.isM3U8(c.url)) || passiveArr[0];
    }

    _activateFromPassiveCandidate(bestMatch) {
        if (!bestMatch) {
            return false;
        }
        this.context.actionLogger.log(
            `[智能穿透] ⚡️命中后台缓存的潜伏信号(正片)，立即接管: ${bestMatch.url.slice(-50)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.passiveCandidates.clear();
        this.addTakeoverCandidate(bestMatch);
        return true;
    }

    _activateFromLastSuccessfulUrl() {
        if (!this.lastSuccessfulUrl || !this.lastSuccessfulUrl.startsWith('http')) {
            return false;
        }
        this.context.actionLogger.log(
            `[记忆回溯] 触发器点击：无新信号，尝试复用历史记录: ${this.lastSuccessfulUrl.slice(-50)}`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.addTakeoverCandidate({
            url: this.lastSuccessfulUrl,
            sourceName: '原生播放器触发器(历史复用)',
        });
        return true;
    }

    _requestActivationFallback() {
        if (!CONSTANTS.IS_TOP_FRAME) {
            this.context.actionLogger.log(
                `[交互] 触发器点击：源无效，请求顶层协助...`,
                CONSTANTS.LOG_TYPES.CORE_EXEC
            );
            this.context.frameCommunicator.postToTopFrame({
                type: CONSTANTS.MESSAGE_TYPES.IFRAME_TRIGGER_CLICK,
            });
            return;
        }
        this.context.actionLogger.log(
            `[交互] 触发器点击：源无效(Blob/空)，强制启动沙箱重载以获取新签名...`,
            CONSTANTS.LOG_TYPES.CORE_EXEC
        );
        this.sandboxManager.hasTriggeredSandbox = false;
        if (this.sandboxManager.iframeSandbox) {
            this.sandboxManager.cleanup();
        }
        this.sandboxManager.reload();
    }

    _attachOverlayObserver(media, overlay, isPassive) {
        try {
            const parent = media.parentElement;
            if (parent) {
                parent.style.isolation = 'auto';
                parent.style.zIndex = 'auto';
            }
        } catch (e) {
            console.debug('Failed to set parent style:', e);
        }

        if (!media.dmzOverlay) {
            media.dmzOverlay = overlay;
            const observer = new IntersectionObserver(
                (entries) => {
                    if (media.dataset.dmzNeutralized === 'passive') {
                        return;
                    }
                    overlay.style.opacity = entries[0].isIntersecting ? '1' : '0';
                    overlay.style.pointerEvents = entries[0].isIntersecting ? 'auto' : 'none';
                },
                { root: null, rootMargin: '0px', threshold: 0.1 }
            );
            observer.observe(media);
            overlay.intersectionObserver = observer;
        }
    }

    _overrideMediaPlaybackMethods(media) {
        try {
            Object.defineProperties(media, this._createMediaPlaybackOverrides(media));
        } catch (e) {
            console.debug('Failed to override media play/pause:', e);
        }
    }

    _createMediaPlaybackOverrides(media) {
        return {
            play: {
                value: this._createPlayOverride(media),
                configurable: true,
            },
            pause: {
                value: this._createPauseOverride(media),
                configurable: true,
            },
        };
    }

    _createPlayOverride(media) {
        return () => {
            if (media.dataset.dmzAllowSignalGeneration === 'true') {
                return HTMLMediaElement.prototype.play.call(media);
            }
            return Promise.resolve();
        };
    }

    _createPauseOverride(media) {
        return () => {
            if (media.dataset.dmzAllowSignalGeneration === 'true') {
                return HTMLMediaElement.prototype.pause.call(media);
            }
        };
    }

    _createNeutralizedAttributeObserver(media) {
        const attributeObserver = new MutationObserver(() => {
            const newSrc = media.src || media.currentSrc;
            if (newSrc && newSrc !== media.dataset.dmzOriginalSrc) {
                media.dataset.dmzOriginalSrc = newSrc;
                if (media.dataset.dmzNeutralized === 'passive') {
                    if (!PageScanner.isPreRollAdByPathFeatures(newSrc, this.context)) {
                        this.neutralizeOriginalPlayer(media, 'active');
                    }
                    return;
                }
                if (media.dataset.dmzAllowSignalGeneration !== 'true') {
                    media.pause();
                    media.muted = true;
                }
            }
        });
        attributeObserver.observe(media, {
            attributes: true,
            attributeFilter: ['src'],
        });
        return attributeObserver;
    }

    _getBestCandidate(candidates) {
        return candidates.sort(
            (a, b) => this._getRecoveryCandidateScore(b) - this._getRecoveryCandidateScore(a)
        )[0];
    }

    _getRecoveryCandidateScore(candidate) {
        const url = candidate?.url || '';
        const isM3U8 = Utils.isM3U8(url) || (candidate?.m3u8Text && candidate.m3u8Text.includes('#EXTM3U'));
        return this._getQualityScore(url, isM3U8) + this._getCandidateReliabilityScore(candidate);
    }

    async _executeTakeover(dossier) {
        this._prepareTakeoverExecution(dossier);
        const { url, requestId } = this._createTakeoverRuntime(dossier);

        try {
            const { videoType, videoData } = await this._buildTakeoverPayload(dossier, requestId);
            if (this.currentRequestId !== requestId) {
                this.log(
                    `[并发拦截]|🛑|发现更新的播放请求，旧任务(ID:${requestId})已终止。`,
                    CONSTANTS.LOG_TYPES.INFO
                );
                return;
            }
            await this.sendPlayCommand(videoType, videoData);
        } catch (error) {
            this._handleTakeoverExecutionError(error, requestId, url);
        } finally {
            if (this.currentRequestId === requestId) {
                this._scheduleIntentionalSwitchReset();
            }
        }
    }

    _formatDecisionLockKey(url) {
        if (typeof url !== 'string' || !url) {
            return 'unknown';
        }
        try {
            const urlObj = new URL(url, window.location.href);
            const segments = urlObj.pathname.split('/').filter(Boolean);
            const tail = segments.slice(-3).join('/');
            if (tail) {
                return tail;
            }
            return `${urlObj.hostname}${urlObj.pathname}`.slice(-80);
        } catch (e) {
            return url.length > 80 ? url.slice(-80) : url;
        }
    }

    _prepareTakeoverExecution(dossier) {
        this.currentDecisionHadMediaElement = !!dossier.mediaElement;
        this.userIntendsToSwitch = false;
        this.findAllVideosAndAudioInPage().forEach((m) => {
            const obs = this.neutralizeOriginalPlayer(m);
            if (obs) {
                this.activeNeutralizers.add(obs);
            }
        });
        if (!dossier.sources && dossier.sourceName) {
            dossier.sources = new Set([dossier.sourceName]);
        }
        this.lastCandidatesBackup = new Map(this.takeoverCandidates);
        this.currentDecisionSourceName = Array.from(dossier.sources).join(' + ');
        this.currentDecisionM3u8Text = dossier.m3u8Text || null;
        if (dossier.url && !dossier.url.startsWith('blob:')) {
            this.lastSuccessfulUrl = dossier.url;
            const videoKey = this._getNormalizationKey(dossier.url);
            if (videoKey) {
                this.globalSeenVideoUrls.add(videoKey);
                const currentPage = window.location.href.split('#')[0];
                if (!this.pageVideoAssociations.has(currentPage)) {
                    this.pageVideoAssociations.set(currentPage, new Set());
                }
                this.pageVideoAssociations.get(currentPage).add(videoKey);
            }
        }
        this.log(
            `[裁决]|👨‍⚖️|🔒决策锁定:[${this._formatDecisionLockKey(dossier.url)}]|来源:${Array.from(dossier.sources).join(' + ')}。`,
            CONSTANTS.LOG_TYPES.TAKEOVER_SUCCESS
        );
    }

    _createTakeoverRuntime(dossier) {
        const requestId = ++this.currentRequestId;
        this.context.diagnosticsTool.captureTakeoverEvidence(dossier);
        return { url: dossier.url, requestId };
    }

    async _buildTakeoverPayload(dossier, requestId) {
        const { playerManager, diagnosticsTool } = this.context;
        let { url, m3u8Text } = dossier;
        diagnosticsTool.resetPlaybackHealth();
        diagnosticsTool.resetSlicingReport();

        const sourceMeta = this._resolveTakeoverSourceMeta(url, m3u8Text);
        m3u8Text = sourceMeta.m3u8Text;

        if (sourceMeta.videoType === 'm3u8') {
            const videoData = await this._buildM3u8TakeoverData(url, m3u8Text, requestId);
            const finalKey = this._getNormalizationKey(videoData.finalUrl);
            if (finalKey) {
                this.globalSeenVideoUrls.add(finalKey);
                const currentPage = window.location.href.split('#')[0];
                if (!this.pageVideoAssociations.has(currentPage)) {
                    this.pageVideoAssociations.set(currentPage, new Set());
                }
                this.pageVideoAssociations.get(currentPage).add(finalKey);
            }
            return { videoType: sourceMeta.videoType, videoData };
        }

        playerManager.currentVideoFormat = Utils.getVideoFormat(url);
        return { videoType: sourceMeta.videoType, videoData: url };
    }

    _resolveTakeoverSourceMeta(url, m3u8Text) {
        const hasM3u8Header =
              m3u8Text &&
              typeof m3u8Text === 'string' &&
              (m3u8Text.includes('#EXTM3U') || m3u8Text.includes('#EXTINF'));
        const isM3U8 = hasM3u8Header
        ? true
        : /\.(mp4|webm|ogg|mov|avi|mkv)(\?|$)/i.test(url)
        ? false
        : Utils.isM3U8(url);
        if (!hasM3u8Header && !isM3U8) {
            m3u8Text = null;
        }
        return {
            m3u8Text,
            videoType: isM3U8 ? 'm3u8' : 'normal',
        };
    }

    async _buildM3u8TakeoverData(url, m3u8Text, requestId) {
        const check = () => this.currentRequestId === requestId;
        const cacheKey = this._getNormalizationKey(url);

        if (!m3u8Text && cacheKey && this.m3u8ProcessedCache.has(cacheKey)) {
            return this.m3u8ProcessedCache.get(cacheKey);
        }

        const text = m3u8Text || (await this.m3u8Processor.fetchText(url, check, requestId));
        if (!check()) {
            throw new Error('Request outdated');
        }

        const textCacheKey = this._getNormalizationKey(url);
        if (textCacheKey) {
            this.m3u8SessionCache.set(textCacheKey, text);
        }

        const processed = await this.m3u8Processor.process(text, url, requestId, check);
        if (!check()) {
            throw new Error('Request outdated');
        }
        if (!processed?.processed) {
            throw new Error('M3U8处理后内容为空');
        }

        await HlsKeyPrefetchManager.prefetchAndRewriteManifest(this, processed, check, requestId);
        if (!check()) {
            throw new Error('Request outdated');
        }

        if (cacheKey) {
            this.m3u8ProcessedCache.set(cacheKey, processed);
        }
        const finalCacheKey = this._getNormalizationKey(processed.finalUrl);
        if (finalCacheKey) {
            this.m3u8ProcessedCache.set(finalCacheKey, processed);
        }

        return processed;
    }

    _handleTakeoverExecutionError(error, requestId, url) {
        if (this.currentRequestId !== requestId) {
            this.log(
                `[并发拦截]|🛡️|[ID:${requestId}] 捕获到过期任务的报错(${error.message})，已拦截，保护当前播放状态。`,
                CONSTANTS.LOG_TYPES.INFO
            );
            return;
        }

        if (!error.message.includes('Request outdated')) {
            this.log(
                `[裁决]|👨‍⚖️|[ID:${requestId}]处理视频源失败:${error.message}`,
                CONSTANTS.LOG_TYPES.TAKEOVER_FAIL
            );
            this.reportPlaybackFailure({ failedUrl: url, reason: error.message });
        }
    }

    _scheduleIntentionalSwitchReset() {
        setTimeout(() => {
            this.isIntentionalSwitch = false;
        }, 1000);
    }
}

class BehavioralFilter extends BaseModule {
    constructor(context) {
        super(context, 'BehavioralFilter');
    }

    _isSameAsPageUrl(url) {
        if (!url || typeof url !== 'string') {
            return false;
        }
        try {
            const cleanPage = window.location.href.replace(/^(https?:\/\/)?(www\.)?/, '').replace(/\/$/, '');
            const cleanUrl = url.replace(/^(https?:\/\/)?(www\.)?/, '').replace(/\/$/, '');
            return cleanPage.includes('view_video.php') ? cleanPage === cleanUrl : cleanUrl.includes(cleanPage);
        } catch (e) {
            return false;
        }
    }

    _buildDecision(isLegitimate) {
        return { isLegitimate };
    }

    _block(message) {
        this.log(message, CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT);
        return this._buildDecision(false);
    }

    _allow(message) {
        this.log(message, CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT);
        return this._buildDecision(true);
    }

    _analyzeIframeEmbedPage(sourceName, url) {
        if (!/JSON|DECRYPTION|ATTR/.test(sourceName)) {
            return null;
        }
        if (!/\/e\/|\/v\//.test(url)) {
            return null;
        }
        const hasVideoExtension = /\.(m3u8|mp4|flv|mkv|webm)(\?|$)/i.test(url);
        if (hasVideoExtension) {
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(确认是Iframe嵌入页)|来源:${sourceName}|URL:${url.slice(-50)}`);
    }

    _analyzeAdPathFeatures(candidate) {
        if (!PageScanner.isPreRollAdByPathFeatures(candidate.url, this.context, candidate)) {
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(广告特征)|URL:${candidate.url.slice(-50)}`);
    }

    _isTrustedRelativePath(sourceName, url, coreLogic) {
        return (
            coreLogic.userIntendsToSwitch ||
            coreLogic.sandboxManager.hasTriggeredSandbox ||
            sourceName.includes('触发器') ||
            sourceName.includes('记忆') ||
            /\.m3u8/i.test(url) ||
            /\.mp4/i.test(url) ||
            /get_file/i.test(url)
        );
    }

    _analyzeRelativeCrossOriginPath(sourceName, url, coreLogic) {
        if (!(sourceName.includes('iFrame') || sourceName.includes('跨域') || sourceName.includes('信使'))) {
            return null;
        }
        if (!(url.startsWith('/') && !url.startsWith('//'))) {
            return null;
        }
        const isTrusted = this._isTrustedRelativePath(sourceName, url, coreLogic);
        this.log(
            `[门禁]|🚧|${isTrusted ? '🟢放行' : '⛔️拦截'}|(跨域相对路径${isTrusted ? '-高置信度' : ''})|来源:${sourceName}。`,
            CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
        );
        return this._buildDecision(isTrusted);
    }

    _isListingContext() {
        const { path, full } = Utils._getNormalizedPath();
        const isListing =
              path.length < 2 ||
              /^\/(index|home|default|main)(\.(html|php|jsp|asp|aspx))?\/?$/i.test(path) ||
              /(^|\/)(s|search|query|results?|so)($|\/|\.|_)/i.test(path) ||
              /(^|\/)(auth|login|signin|signup|register|account|dashboard|console|member|profile|settings|my|user)($|\/|\.|_)/i.test(
                  path
              ) ||
              /^(auth|login|account|sso|id)\./i.test(window.location.hostname) ||
              /(^|\/)(type|vodtype|list|category|tag|channel|column)($|\/|\.|_)/i.test(path);
        return { path, full, isListing };
    }

    _analyzeListingScene(sourceName) {
        if (!/JSON|DOM|ATTR|扫描|嵌入式|网络|Net/.test(sourceName)) {
            return null;
        }
        const { full, isListing } = this._isListingContext();
        if (!isListing) {
            return null;
        }
        if (/(play|video|watch|detail|view)/i.test(full) || /[\?&](id|vid|v|f)=/.test(full)) {
            this.log(
                `[门禁]|🚧|疑似|💭列表页但包含播放特征 [${full}]，豁免放行。`,
                CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
            );
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(页面场景自动推荐，防止误扰)|来源:${sourceName}。`);
    }

    _analyzeHighPriorityM3U8(candidate) {
        if (!(Utils.isM3U8(candidate.url) || (candidate.m3u8Text && candidate.m3u8Text.includes('#EXTM3U')))) {
            return null;
        }
        return this._allow(`[门禁]|🚧|🟢放行|(高优先级M3U8信号)|来源:${candidate.sourceName}。`);
    }

    _analyzeInvalidUrl(url, sourceName) {
        if (url.startsWith('http') || url.startsWith('//') || url.startsWith('/') || url.startsWith('blob:')) {
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(无效的URL片段)|来源:${sourceName}|URL:${url.slice(0, 80)}。`);
    }

    _analyzeSamePageUrl(url, sourceName) {
        if (!this._isSameAsPageUrl(url)) {
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(无效的页面URL)|来源:${sourceName}。`);
    }

    _analyzeM3u8InterfacePath(url, sourceName) {
        if (!(url.includes('/m3u8/') && !Utils.isM3U8(url))) {
            return null;
        }
        if (
            sourceName.includes('触发器') ||
            sourceName.includes('记忆') ||
            !/\.[a-zA-Z0-9]{2,4}$/.test(url.split('?')[0])
        ) {
            this.log(`[门禁]|🚧|疑似|💭M3U8接口(无后缀/触发器)，豁免放行。`, CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT);
            return null;
        }
        return this._block(`[门禁]|🚧|⛔️拦截|(M3U8路径下的非M3U8文件，疑似诱饵)|来源:${sourceName}。`);
    }

    _analyzePreviewOrSample(url, sourceName) {
        if (/(freepv|litevideo|sample|preview|trailer|teaser)\//i.test(url)) {
            return this._block(`[门禁]|🚧|⛔️拦截|(预览或试看视频)|来源:${sourceName}。`);
        }
        return null;
    }

    _allowDefault(sourceName) {
        return this._allow(`[门禁]|🚧|🟢放行|来源:${sourceName}。`);
    }

    _evaluateRules(candidate, rules) {
        for (const rule of rules) {
            const result = rule();
            if (result) {
                return result;
            }
        }
        return null;
    }

    async analyze(candidate) {
        const { coreLogic } = this.context;
        const { url, sourceName } = candidate;
        const rules = [
            () => this._analyzeIframeEmbedPage(sourceName, url),
            () => this._analyzeAdPathFeatures(candidate),
            () => this._analyzeRelativeCrossOriginPath(sourceName, url, coreLogic),
            () => this._analyzeListingScene(sourceName),
            () => this._analyzeHighPriorityM3U8(candidate),
            () => this._analyzeInvalidUrl(url, sourceName),
            () => this._analyzeSamePageUrl(url, sourceName),
            () => this._analyzeM3u8InterfacePath(url, sourceName),
            () => this._analyzePreviewOrSample(url, sourceName),
        ];
        return this._evaluateRules(candidate, rules) || this._allowDefault(sourceName);
    }
}

class SPANavigator extends BaseModule {
    constructor(context) {
        super(context, 'SPANavigator');
        this.lastUrl = window.location.href;
    }

    init() {
        const pushState = history.pushState;
        const replaceState = history.replaceState;

        history.pushState = (...args) => {
            pushState.apply(history, args);
            this.onUrlChange();
        };
        history.replaceState = (...args) => {
            replaceState.apply(history, args);
            this.onUrlChange();
        };
        window.addEventListener('popstate', () => this.onUrlChange());
        window.addEventListener('hashchange', () => this.onUrlChange());
    }

    _shouldIgnoreHashOnlySpaChange() {
        const currentUrl = window.location.href;
        if (currentUrl === this.lastUrl) {
            return true;
        }
        const currentBase = currentUrl.split('#')[0];
        const lastBase = this.lastUrl.split('#')[0];
        if (currentBase !== lastBase) {
            return false;
        }
        const currentHash = window.location.hash;
        const lastHash = new URL(this.lastUrl).hash;
        const isSpaRoute = (h) => /^#[\/\!]/.test(h) || h.includes('?');
        if (isSpaRoute(currentHash) || isSpaRoute(lastHash)) {
            return false;
        }
        return true;
    }

    _shouldIgnoreActiveNestedSpaChange(playerManager, coreLogic) {
        return (
            window.location.href.startsWith(this.lastUrl) &&
            playerManager.isPlayerActiveOrInitializing &&
            !coreLogic.userIntendsToSwitch
        );
    }

    _commitSpaUrlChangeLog(wasColdStart = false) {
        this.log(`URL 变化 (SPA):${this.lastUrl} ->${window.location.href}`, CONSTANTS.LOG_TYPES.NAV);
        if (this.context?.coreLogic) {
            this.context.coreLogic.lastSpaNavigationAt = Date.now();
            this.context.coreLogic.lastSpaNavigationSignature = `${this.lastUrl.split('#')[0]} -> ${window.location.href.split('#')[0]}`;
            this.context.coreLogic.lastSpaNavigationWasColdStart = !!wasColdStart;
        }
        this.lastUrl = window.location.href;
    }

    _prepareSpaCoreState(playerManager, coreLogic) {
        if (coreLogic.lastSuccessfulUrl) {
            coreLogic.staleVideoUrl = coreLogic.lastSuccessfulUrl;
        }
        coreLogic.lastSuccessfulUrl = null;
        playerManager.cleanup();
        coreLogic.sandboxManager.cleanup();
        coreLogic.activeNeutralizers.forEach((obs) => obs.disconnect());
        coreLogic.findAllVideosAndAudioInPage().forEach((media) => {
            delete media.dataset.dmzOriginalSrc;
            if (media.src) {
                media.removeAttribute('src');
            }
        });
    }

    _enterSpaSleepMode(domScanner, coreLogic, noiseReason) {
        this.log(`[NAV] 新页面评分过低[${noiseReason}]，保持/进入休眠模式。`, CONSTANTS.LOG_TYPES.NAV);
        domScanner.isStopped = true;
        coreLogic.isSystemHalted = true;
        domScanner.stop();
    }

    _keepFreshSpaCandidates(source, target, staleVideoUrl) {
        source.forEach((v, k) => {
            if (!staleVideoUrl || !v.url.includes(staleVideoUrl.split('?')[0])) {
                target.set(k, v);
            }
        });
    }

    _collectSurvivedSpaCandidates(coreLogic) {
        const survivedCandidates = new Map();
        const survivedPassive = new Map();
        this._keepFreshSpaCandidates(coreLogic.takeoverCandidates, survivedCandidates, coreLogic.staleVideoUrl);
        this._keepFreshSpaCandidates(coreLogic.passiveCandidates, survivedPassive, coreLogic.staleVideoUrl);
        return { survivedCandidates, survivedPassive };
    }

    _resetSpaCoreLogic(coreLogic, survivedCandidates, survivedPassive) {
        Object.assign(coreLogic, {
            decisionMade: false,
            decisionInProgress: false,
            takeoverCandidates: survivedCandidates,
            lastCandidatesBackup: new Map(),
            currentRequestId: 0,
            navigationRequestId: (coreLogic.navigationRequestId || 0) + 1,
            activeNeutralizers: new Set(),
            backupBufferTimer: (coreLogic.backupBufferTimer && clearTimeout(coreLogic.backupBufferTimer), null),
            isBufferingBackupCandidates: false,
            bufferedBackupCandidates: new Map(),
            passiveCandidates: survivedPassive,
            m3u8SessionCache: new Map(),
            m3u8FetchInflight: new Map(),
            m3u8ProcessedCache: new Map(),
            failedCandidateKeys: new Set(),
            failedRiskyM3u8Patterns: new Set(),
            pendingRecoveryTimer: (coreLogic.pendingRecoveryTimer && clearTimeout(coreLogic.pendingRecoveryTimer), null),
        });
        if (this.context?.playerManager) {
            this.context.playerManager.isPlayerActiveOrInitializing = false;
        }
        if (this.context?.iframeMonitor?.reset) {
            this.context.iframeMonitor.reset();
        }
    }

    _restartSpaRuntime(domScanner, coreLogic) {
        coreLogic.sandboxManager.hasTriggeredSandbox = false;
        domScanner.isStopped = false;
        domScanner.init();
        ManagedModules.enableConfigured(this.context);
        setTimeout(() => {
            if (!coreLogic.isSystemHalted) {
                PageScanner.scanForFlashvars(this.context);
                PageScanner.scanForEmbeddedData(this.context);
            }
        }, 800);
        coreLogic.sandboxManager.startCountdown();
    }

    onUrlChange() {
        this._handleUrlChangeFrame();
    }

    _handleUrlChangeFrame() {
        if (this._shouldIgnoreHashOnlySpaChange()) {
            return;
        }
        const { playerManager, coreLogic, domScanner } = this.context;
        if (this._shouldIgnoreActiveNestedSpaChange(playerManager, coreLogic)) {
            this.lastUrl = window.location.href;
            return;
        }
        const wasColdStart = !!(coreLogic.isSystemHalted || domScanner.isStopped || !playerManager.isPlayerActiveOrInitializing);
        this._commitSpaUrlChangeLog(wasColdStart);
        this._prepareSpaCoreState(playerManager, coreLogic);
        const sleepEval = PageSleepModel.evaluate(this.context);
        if (sleepEval.isSleeping) {
            this._enterSpaSleepMode(domScanner, coreLogic, sleepEval.reason);
            return;
        }
        this._reactivateSpaRuntime(domScanner, coreLogic);
    }

    _reactivateSpaRuntime(domScanner, coreLogic) {
        this.log(`[NAV] 新页面评分达标，激活/重置系统！`, CONSTANTS.LOG_TYPES.NAV);
        coreLogic.isSystemHalted = false;
        const { survivedCandidates, survivedPassive } = this._collectSurvivedSpaCandidates(coreLogic);
        this._resetSpaCoreLogic(coreLogic, survivedCandidates, survivedPassive);
        this._restartSpaRuntime(domScanner, coreLogic);

        const passiveArr = Array.from(coreLogic.passiveCandidates.values()).reverse();
        const bestPassive = passiveArr.find((c) => c.m3u8Text || Utils.isM3U8(c.url)) || passiveArr[0];
        if (bestPassive) {
            this.log(`[NAV] 发现页面跳转前缓存的潜伏信号，自动激活！`, CONSTANTS.LOG_TYPES.NAV);
            coreLogic.passiveCandidates.clear();
            setTimeout(() => coreLogic.addTakeoverCandidate(bestPassive), 200);
        }

        const pendingCandidates = SpaCandidateBuffer.drain(coreLogic);
        if (pendingCandidates.length > 0) {
            pendingCandidates.forEach((candidate, index) => {
                setTimeout(() => coreLogic.addTakeoverCandidate(candidate), 100 + index * 80);
            });
        }
    }
}

class DOMScanner extends BaseModule {
    constructor(context) {
        super(context, 'DOMScanner');
        this.observer = null;
        this.heartbeatTimer = null;
        this.isStopped = false;
        this.dirtyRoots = new Set();
        this.pendingFullScan = true;
        this.boundScanPage = Utils.debounce(this.scanPage.bind(this), 200);
        this.boundHandleScroll = Utils.debounce(this.handleScroll.bind(this), 800);
        this.boundVisibilityChange = () => {
            if (document.hidden) {
                clearInterval(this.heartbeatTimer);
                this.heartbeatTimer = null;
            } else if (!this.heartbeatTimer && !this.isStopped) {
                this._startHeartbeatTimer();
                this.requestScan(true);
            }
        };
    }

    init() {
        if (this._recoverFromStoppedOrInitializedState()) {
            return;
        }
        if (this._shouldBlockScannerForCurrentPage()) {
            this.stop();
            this.isStopped = true;
            return;
        }
        this._activateScanner();
    }

    _recoverFromStoppedOrInitializedState() {
        if (this.observer) {
            this.isStopped = false;
            this.requestScan(true);
            return true;
        }
        if (this.isStopped) {
            this.stop();
            this.isStopped = false;
        }
        return false;
    }

    _shouldBlockScannerForCurrentPage() {
        return /(captcha|auth|login|signin|widget|comment|plugin|share|button|tracker|analytics|pixel|sync|oauth|verify|challenge|static|assets|\/ads?\/|disqus)/i.test(
            window.location.href
        );
    }

    _activateScanner() {
        const now = Date.now();
        if (!this._lastActivateLogAt || now - this._lastActivateLogAt > 4500) {
            this.log('DOM扫描器已激活，开始搜索视频源。', CONSTANTS.LOG_TYPES.SCAN);
            this._lastActivateLogAt = now;
        }
        this.isStopped = false;
        this.requestScan(true);
        this._startMutationObserver();
        this._bindScannerEvents();
        this._startHeartbeatTimer();
    }

    _startMutationObserver() {
        this.observer = new MutationObserver((mutations) => this._handleMutations(mutations));
        this.observer.observe(document.documentElement, {
            childList: true,
            subtree: true,
        });
    }

    _handleMutations(mutations) {
        if (this.isStopped || this.context.coreLogic.isSystemHalted) {
            return;
        }
        this.context.coreLogic._invalidateMediaQueryCache();
        let addedNodeCount = 0;
        let shouldFallbackToFullScan = false;
        for (const mutation of mutations) {
            if (mutation.type !== 'childList') {
                shouldFallbackToFullScan = true;
                break;
            }
            if (!mutation.addedNodes || mutation.addedNodes.length === 0) {
                continue;
            }
            addedNodeCount += mutation.addedNodes.length;
            if (addedNodeCount > 36 || mutation.addedNodes.length > 12) {
                shouldFallbackToFullScan = true;
                break;
            }
            for (const node of mutation.addedNodes) {
                const dirtyRoot = this._resolveDirtyRoot(node);
                if (!dirtyRoot) {
                    continue;
                }
                this.dirtyRoots.add(dirtyRoot);
                if (this.dirtyRoots.size > 18) {
                    shouldFallbackToFullScan = true;
                    break;
                }
            }
            if (shouldFallbackToFullScan) {
                break;
            }
        }
        if (shouldFallbackToFullScan) {
            this.pendingFullScan = true;
            this.dirtyRoots.clear();
        }
        this.requestScan();
    }

    _resolveDirtyRoot(node) {
        if (!node || node.nodeType !== Node.ELEMENT_NODE) {
            return null;
        }
        if (/^(VIDEO|AUDIO)$/.test(node.tagName)) {
            return node;
        }
        if (typeof node.querySelector === 'function' && node.querySelector('video, audio')) {
            return node;
        }
        const parent = node.parentElement;
        if (parent && /^(VIDEO|AUDIO)$/.test(parent.tagName)) {
            return parent;
        }
        return null;
    }

    _bindScannerEvents() {
        window.addEventListener('scroll', this.boundHandleScroll, {
            passive: true,
        });
        document.addEventListener('visibilitychange', this.boundVisibilityChange);
    }

    _startHeartbeatTimer() {
        if (!this.heartbeatTimer) {
            this.heartbeatTimer = Utils.startPollingTask(
                1500,
                () => {
                    if (!this.isStopped) {
                        this.pendingFullScan = true;
                        this.requestScan();
                    }
                    return true;
                },
                'DOM scanner heartbeat failed:'
            );
        }
    }

    stop() {
        this.isStopped = true;
        if (this.observer) {
            this.observer.disconnect();
            this.observer = null;
        }
        if (this.heartbeatTimer) {
            clearInterval(this.heartbeatTimer);
            this.heartbeatTimer = null;
        }
        window.removeEventListener('scroll', this.boundHandleScroll);
        if (this.boundVisibilityChange) {
            document.removeEventListener('visibilitychange', this.boundVisibilityChange);
        }
    }

    requestScan(forceImmediate = false) {
        if (this.isStopped || this.context.coreLogic.isSystemHalted) {
            return;
        }
        if (forceImmediate) {
            this.pendingFullScan = true;
            this.scanPage();
            return;
        }
        this.boundScanPage();
    }

    handleScroll() {
        if (!this.isStopped) {
            this.pendingFullScan = true;
            requestAnimationFrame(() => this.requestScan());
        }
    }

    _collectPendingMedia() {
        const { coreLogic } = this.context;
        if (this.pendingFullScan || this.dirtyRoots.size === 0) {
            return coreLogic.findAllVideosAndAudioInPage(true);
        }
        const media = [];
        const seen = new Set();
        for (const root of this.dirtyRoots) {
            coreLogic.collectMediaFromRoot(root).forEach((item) => {
                if (!seen.has(item)) {
                    seen.add(item);
                    media.push(item);
                }
            });
        }
        return media;
    }

    scanPage() {
        if (this.isStopped || this.context.coreLogic.isSystemHalted) {
            return;
        }
        const pendingMedia = this._collectPendingMedia();
        this.pendingFullScan = false;
        this.dirtyRoots.clear();
        pendingMedia.forEach((media) => this.processMediaElement(media));
    }

    async processMediaElement(media) {
        return DomScannerMediaPipeline.processMediaElement(this, media);
    }
}

class IframeMonitor extends BaseModule {
    constructor(context) {
        super(context, 'IframeMonitor');
        this.observer = null;
        this.resizeObserver = null;
        this.processedIframes = new WeakMap();
        this.iframeSizes = new WeakMap();
        this.iframeHighScores = new WeakMap();
        this.boundProcess = this._processIframe.bind(this);
    }

    init() {
        if (!CONSTANTS.IS_TOP_FRAME || this.observer) {
            return;
        }
        this._startObserver();
        this._startResizeObserver();
        document.querySelectorAll('iframe').forEach((iframe) => {
            this._processIframe(iframe, false);
            if (this.resizeObserver) {
                this.resizeObserver.observe(iframe);
            }
        });
    }

    reset() {
        this.processedIframes = new WeakMap();
        this.iframeSizes = new WeakMap();
        this.iframeHighScores = new WeakMap();
    }

    _startResizeObserver() {
        if (typeof ResizeObserver === 'undefined') {
            return;
        }

        this.resizeObserver = new ResizeObserver((entries) => {
            const { coreLogic, playerManager } = this.context;
            if (playerManager.isPlayerActiveOrInitializing || coreLogic.decisionInProgress) {
                return;
            }

            for (const entry of entries) {
                const iframe = entry.target;
                if (iframe.dmzHardRejected) {
                    continue;
                }
                const newWidth = entry.contentRect.width;
                const newHeight = entry.contentRect.height;
                const newArea = newWidth * newHeight;

                const oldSize = this.iframeSizes.get(iframe) || {
                    width: 0,
                    height: 0,
                    area: 0,
                };

                if (
                    newWidth >= 150 &&
                    newHeight >= 80 &&
                    (newArea > oldSize.area * 1.3 ||
                     newWidth > oldSize.width + 50 ||
                     newHeight > oldSize.height + 50)
                ) {
                    this.iframeSizes.set(iframe, {
                        width: newWidth,
                        height: newHeight,
                        area: newArea,
                    });
                    if (coreLogic?.sandboxManager) {
                        const progressKind =
                              newWidth >= 560 && newHeight >= 300 ? 'player_expand' : 'significant_resize';
                        coreLogic.sandboxManager._recordSandboxProgress(
                            progressKind,
                            `${Math.round(newWidth)}x${Math.round(newHeight)}`
                            );
                        const looksLikeBridgeShell =
                              coreLogic.sandboxManager._isBridgeIframeCandidate(iframe) &&
                              !coreLogic.sandboxManager._findNestedPlayableIframe(
                                  iframe,
                                  coreLogic.sandboxManager.progressStage >= 15
                              ) &&
                              !coreLogic.sandboxManager._extractDirectSandboxCandidateUrl(iframe);
                        if (looksLikeBridgeShell) {
                            this.log(
                                `📈 发现桥接壳 iFrame 膨胀 (${Math.round(newWidth)}x${Math.round(newHeight)})，继续观察内层播放器，不立即升级重评估。`,
                                CONSTANTS.LOG_TYPES.INFO
                            );
                            coreLogic.sandboxManager.assistBridgeIframe(iframe);
                            continue;
                        }
                    }
                    this.log(
                        `📈 发现 iFrame 尺寸显著膨胀 (${Math.round(newWidth)}x${Math.round(newHeight)})，触发重新评估...`,
                        CONSTANTS.LOG_TYPES.INFO
                    );
                    this._processIframe(iframe, true);
                }
            }
        });
    }

    _buildIframeSignature(iframe) {
        const src = iframe?.src || '';
        const width = Math.round(iframe?.clientWidth || 0);
        const height = Math.round(iframe?.clientHeight || 0);
        const allow = iframe?.getAttribute?.('allow') || '';
        return `${src}|${width}x${height}|${allow}`;
    }

    _startObserver() {
        this.observer = new MutationObserver((mutations) => {
            for (const mutation of mutations) {
                if (mutation.type === 'childList') {
                    for (const node of mutation.addedNodes) {
                        if (node.tagName === 'IFRAME') {
                            this._processIframe(node, false);
                            if (this.resizeObserver) {
                                this.resizeObserver.observe(node);
                            }
                        } else if (node.querySelectorAll) {
                            const iframes = node.querySelectorAll('iframe');
                            if (iframes.length > 0) {
                                iframes.forEach((iframe) => {
                                    this._processIframe(iframe, false);
                                    if (this.resizeObserver) {
                                        this.resizeObserver.observe(iframe);
                                    }
                                });
                            }
                        }
                    }
                } else if (mutation.type === 'attributes') {
                    if (mutation.target.tagName === 'IFRAME') {
                        this._processIframe(mutation.target, true);
                    }
                }
            }
        });
        this.observer.observe(document.body || document.documentElement, {
            childList: true,
            subtree: true,
            attributes: true,
            attributeFilter: ['src'],
        });
    }

    _processIframe(iframe, force = false) {
        try {
            const src = iframe?.src || '';
            if (!src || src === 'about:blank') {
                return;
            }

            if (this.context.frameCommunicator?._isDefinitelyNonVideoIframe?.(iframe, src)) {
                iframe.dmzHardRejected = true;
                return;
            }

            if (
                this.context.frameCommunicator?._canPromoteIframeToTarget &&
                !this.context.frameCommunicator._canPromoteIframeToTarget(iframe, src, 'iframe-monitor')
            ) {
                return;
            }
            if (iframe.id === 'dmz_sandbox_frame') {
                return;
            }

            const signature = this._buildIframeSignature(iframe);
            if (!force && this.processedIframes.get(iframe) === signature) {
                return;
            }
            this.processedIframes.set(iframe, signature);

            const { coreLogic, playerManager } = this.context;
            const sandboxManager = coreLogic?.sandboxManager;
            if (!coreLogic || !playerManager || !sandboxManager) {
                return;
            }
            if (playerManager.isPlayerActiveOrInitializing || coreLogic.decisionInProgress) {
                return;
            }

            let score = sandboxManager.getIframeScore(iframe);
            const prevHighScore = this.iframeHighScores.get(iframe) || 0;
            if (score < prevHighScore) {
                score = prevHighScore;
            } else if (score > prevHighScore) {
                this.iframeHighScores.set(iframe, score);
            }

            if (score > 0 && src) {
                this.log(`👀 评估 iFrame: ${src.slice(-50)} (最高得分:${score})`, CONSTANTS.LOG_TYPES.INFO);
            }

            if (score >= 110 && !iframe.dmzSandboxFastTracked) {
                iframe.dmzSandboxFastTracked = true;
                if (sandboxManager._isBridgeIframeCandidate(iframe)) {
                    this.log(
                        `🎯 目标得分极高，但识别为桥接型页面，优先激活等待内层播放器！`,
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                    sandboxManager.cancelCountdown('桥接型页面优先预热');
                    sandboxManager.assistBridgeIframe(iframe);
                } else {
                    this.log(`🎯 目标得分极高，跳过宽限期，并行启动沙箱侦查！`, CONSTANTS.LOG_TYPES.CORE_EXEC);
                    sandboxManager.cancelCountdown('高分目标提权沙箱');
                    sandboxManager._launchSandboxReload({
                        targetUrl: iframe.src,
                        logMsg: '高分目标提权沙箱',
                    });
                }
            }
            if (score >= 100 && force) {
                const bridgeWithoutEvidence =
                      sandboxManager._isBridgeIframeCandidate(iframe) &&
                      !sandboxManager._findNestedPlayableIframe(
                          iframe,
                          sandboxManager.progressStage >= 15
                      ) &&
                      !sandboxManager._extractDirectSandboxCandidateUrl(iframe);
                if (bridgeWithoutEvidence && sandboxManager._isBridgeCooldownActive(iframe)) {
                    this.log(
                        `🎯 桥接目标仍在冷却且无新证据，跳过重复破壁指令。`,
                        CONSTANTS.LOG_TYPES.INFO
                    );
                } else if (!iframe.dmzPokerStarted) {
                    iframe.dmzPokerStarted = true;
                    this.log(
                        `🎯 目标 iFrame 得分突破(${score})，启动连续破壁指令！`,
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                    let pokeCount = 0;
                    Utils.startPollingTask(
                        400,
                        () => {
                            if (
                                pokeCount++ > 50 ||
                                this.context.playerManager.isPlayerActiveOrInitializing ||
                                this.context.coreLogic.decisionInProgress
                            ) {
                                return false;
                            }
                            try {
                                iframe.contentWindow.postMessage(
                                    { type: CONSTANTS.MESSAGE_TYPES.ACTIVATE_AUTOPLAY },
                                    '*'
                                );
                            } catch (e) {}
                            return true;
                        },
                        'Iframe poke failed:'
                    );
                }
            }

            const directUrl = sandboxManager._extractDirectSandboxCandidateUrl(iframe);
            if (directUrl) {
                this.log(`🎯 从动态 iFrame 提取直连: ${directUrl.slice(-50)}`, CONSTANTS.LOG_TYPES.CORE_EXEC);
                coreLogic.addTakeoverCandidate({
                    url: directUrl,
                    sourceName: '动态iFrame(直连提取)',
                });
                sandboxManager.extendCountdown(3000, '提取到直连参数，等待解析');
                return;
            }

            if (score >= 30 && src.startsWith('http')) {
                if (!force) {
                    this.log(
                        `[前置侦察] 对新 iFrame 发起后台探测: ${src.slice(-40)}`,
                        CONSTANTS.LOG_TYPES.CORE_EXEC
                    );
                }
                sandboxManager.extendCountdown(4000, '发现潜力iFrame，等待其就绪');
                Utils.probeIframeForM3u8(src, this.context, '动态iFrame(后台HTML直搜)');
            }
        } catch (error) {
            this.log(`[IframeMonitor] 处理iFrame失败: ${error.message}`, CONSTANTS.LOG_TYPES.ERROR);
        }
    }

    stop() {
        if (this.observer) {
            this.observer.disconnect();
            this.observer = null;
        }
        if (this.resizeObserver) {
            this.resizeObserver.disconnect();
            this.resizeObserver = null;
        }
    }
}

class IframeTerminator extends BaseModule {
    constructor(context) {
        super(context, 'IframeTerminator');
        this.observer = null;
        this.processedIframes = new WeakSet();
    }

    start() {
        if (this.observer || !CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        const scan = (node) => {
            if (node.nodeType === 1) {
                (node.matches('iframe') ? [node] : node.querySelectorAll('iframe')).forEach((f) =>
                                                                                            this.terminate(f)
                                                                                           );
            }
        };
        this.observer = new MutationObserver((ms) => ms.forEach((m) => m.addedNodes.forEach(scan)));
        this.observer.observe(document.documentElement, {
            childList: true,
            subtree: true,
        });
        scan(document.documentElement);
    }

    stop() {
        this.observer?.disconnect();
        this.observer = null;
    }

    terminate(iframe) {
        if (this.processedIframes.has(iframe)) {
            return;
        }
        try {
            if (
                iframe.src &&
                (/(^|[/.:-])(disqus|accounts\.google|googleapis|gstatic|recaptcha|facebook|instagram|twitter|x\.com|tiktok|reddit|pinterest|addthis|sharethis|taboola|outbrain|doubleclick|googlesyndication|criteo|hotjar|intercom|zendesk|onesignal)([/.:-]|$)/i.test(iframe.src) ||['/acs/phone/', '/ad/'].some((k) => iframe.src.includes(k)))
            ) {
                this.processedIframes.add(iframe);
                iframe.dataset.dmzOriginalSrc = iframe.src;
                iframe.src = 'about:blank';
                Object.assign(iframe.style, {
                    visibility: 'hidden',
                    border: 'none',
                    width: '0',
                    height: '0',
                });
            }
        } catch (e) {
            console.debug('Failed to terminate iframe:', e);
        }
    }
}

class BaseInterceptor extends BaseModule {
    constructor(name) {
        super(null, name);
        this.isActive = false;
    }

    enable(context) {
        this.context = context;
        if (!this.isActive) {
            this.activate(context);
            this.log(`已启用。`);
        }
    }

    disable(context) {
        if (this.isActive) {
            this.deactivate(context);
            this.log(`已禁用。`);
        }
        this.context = null;
    }

    log(msg, type = CONSTANTS.LOG_TYPES.MODULE) {
        this.context?.actionLogger.log(`[${this.name}] ${msg}`, type);
    }
}

const NetworkInterceptor = new (class extends BaseInterceptor {
    constructor() {
        super('NetworkInterceptor');
        this.originalXhrOpen = null;
        this.originalFetch = null;
    }

    activate(context) {
        this.isActive = true;
        this.originalXhrOpen = XMLHttpRequest.prototype.open;
        this.originalFetch = window.fetch;
        this._installXhrHook(context);
        this._installFetchHook(context);
    }

    _isManifestText(text) {
        return (
            typeof text === 'string' &&
            text.length > 10 &&
            text.trim().startsWith('#EXTM3U') &&
            text.includes('#EXTINF')
        );
    }

    _shouldInspectXhrUrl(urlStr, playerManager) {
        return typeof urlStr === 'string' && !(playerManager.isInternalRequest && urlStr.startsWith('blob:'));
    }

    _formatInterceptLogUrl(urlStr) {
        try {
            const url = new URL(urlStr, window.location.href);
            const parts = url.pathname.split('/').filter(Boolean);
            const tail = parts.slice(-2).join('/') || url.pathname || urlStr;
            const search = url.search || '';
            if (!search) {
                return tail;
            }
            const compactSearch = search.length > 42 ? `${search.slice(0, 42)}...` : search;
            return `${tail}${compactSearch}`;
        } catch (e) {
            return urlStr.length > 96 ? `...${urlStr.slice(-93)}` : urlStr;
        }
    }

    _bindXhrManifestCapture(xhr, urlStr, context) {
        const { coreLogic } = context;
        xhr.addEventListener('readystatechange', () => {
            if (xhr.readyState === 2) {
                context.playerManager._prewarmUrl(urlStr);
            }
        });
        xhr.addEventListener(
            'load',
            () => {
                if (
                    xhr.status >= 200 &&
                    xhr.status < 400 &&
                    xhr.responseText &&
                    (Utils.isM3U8(urlStr) || this._isManifestText(xhr.responseText))
                ) {
                    context.actionLogger.log(
                        `[NetworkInterceptor] [XHR]${this._formatInterceptLogUrl(urlStr)}`,
                        CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
                    );
                    coreLogic.addTakeoverCandidate({
                        url: urlStr,
                        sourceName: CONSTANTS.TAKEOVER_SOURCES.NET_XHR,
                        m3u8Text: xhr.responseText,
                    });
                }
            },
            { once: true }
        );
    }

    _installXhrHook(context) {
        const { playerManager } = context;
        const interceptor = this;
        XMLHttpRequest.prototype.open = function (method, url, ...args) {
            const urlStr = String(url);
            if (interceptor._shouldInspectXhrUrl(urlStr, playerManager)) {
                interceptor._bindXhrManifestCapture(this, urlStr, context);
            }
            return interceptor.originalXhrOpen.call(this, method, url, ...args);
        };
    }

    _getFetchRequestUrl(args) {
        if (args[0] instanceof Request) {
            return args[0].url;
        }
        return String(args[0]);
    }

    _shouldBypassInternalBlob(requestUrl, playerManager) {
        return playerManager.isInternalRequest && requestUrl.startsWith('blob:');
    }

    _isFetchManifestCandidate(requestUrl, response) {
        const cType = response.headers.get('content-type') || '';
        return (
            Utils.isM3U8(requestUrl) || cType.includes('mpegurl') || cType.includes('application/vnd.apple.mpegurl')
        );
    }

    async _captureFetchManifest(requestUrl, response, context) {
        try {
            const clone = response.clone();
            const text = await clone.text();
            if (this._isManifestText(text)) {
                context.actionLogger.log(
                    `[NetworkInterceptor] [Fetch]${this._formatInterceptLogUrl(requestUrl)}`,
                    CONSTANTS.LOG_TYPES.TAKEOVER_ATTEMPT
                );
                context.coreLogic.addTakeoverCandidate({
                    url: requestUrl,
                    sourceName: CONSTANTS.TAKEOVER_SOURCES.NET_FETCH,
                    m3u8Text: text,
                });
            }
        } catch (e) {
            console.debug('Failed to read fetch response clone:', e);
        }
    }

    async _maybeCaptureFetchResponse(requestUrl, response, context) {
        if (!response.ok) {
            return;
        }
        if (!this._isFetchManifestCandidate(requestUrl, response)) {
            return;
        }
        await this._captureFetchManifest(requestUrl, response, context);
    }

    _installFetchHook(context) {
        const { playerManager } = context;
        const interceptor = this;
        window.fetch = async function (...args) {
            const requestUrl = interceptor._getFetchRequestUrl(args);
            if (interceptor._shouldBypassInternalBlob(requestUrl, playerManager)) {
                return interceptor.originalFetch.apply(this, args);
            }
            const response = await interceptor.originalFetch.apply(this, args);
            await interceptor._maybeCaptureFetchResponse(requestUrl, response, context);
            return response;
        };
    }

    deactivate() {
        if (this.originalXhrOpen) {
            XMLHttpRequest.prototype.open = this.originalXhrOpen;
        }
        if (this.originalFetch) {
            window.fetch = this.originalFetch;
        }
        this.isActive = false;
    }
})();

const PlayerHooker = new (class extends BaseInterceptor {
    constructor() {
        super('PlayerHooker');
        this.targets = ['aliplayer', 'DPlayer', 'TCPlayer', 'xgplayer', 'Chimee', 'videojs', 'player', 'jwplayer'];
        this.originalPlayers = {};
    }

    activate(context) {
        this.isActive = true;
        this.targets.forEach((name) => this._hookTarget(name, context));
    }

    _cacheOriginalPlayer(name, player) {
        if (!this.originalPlayers[name]) {
            this.originalPlayers[name] = player;
            this.log(`监测到播放器库 ${name} 加载`, CONSTANTS.LOG_TYPES.HOOK);
        }
    }

    _resolveOriginalPlayer(name, internalValue) {
        return this.originalPlayers[name] || internalValue;
    }

    _buildNoopPlayerProxy() {
        return new Proxy({}, { get: (t, k) => (k in t ? t[k] : () => {}) });
    }

    _buildHookedPlayerFactory(name, context, getOriginal) {
        return (...args) => {
            const src = this._extractSource(args[0]);
            if (src) {
                context.coreLogic.addTakeoverCandidate({
                    url: src,
                    sourceName: CONSTANTS.TAKEOVER_SOURCES.PLAYER_HOOK(name),
                });
                return this._buildNoopPlayerProxy();
            }
            const original = getOriginal();
            return original.constructor ? Reflect.construct(original, args) : original(...args);
        };
    }

    _hookTarget(name, context) {
        let internalValue;
        try {
            Object.defineProperty(window, name, {
                configurable: true,
                enumerable: true,
                set: (player) => {
                    this._cacheOriginalPlayer(name, player);
                    internalValue = player;
                },
                get: () => {
                    const original = this._resolveOriginalPlayer(name, internalValue);
                    if (!original) {
                        return undefined;
                    }
                    return this._buildHookedPlayerFactory(name, context, () =>
                                                          this._resolveOriginalPlayer(name, internalValue)
                                                         );
                },
            });
        } catch (e) {
            console.debug(`Failed to hook player ${name}:`, e);
        }
    }

    deactivate() {
        this.isActive = false;
    }

    _extractSource(cfg) {
        if (!cfg) {
            return null;
        }
        const s = cfg.source || cfg.video?.url || cfg.url || cfg.src || cfg.file;
        if (typeof s === 'string') {
            return s;
        }
        if (Array.isArray(cfg.sources)) {
            return cfg.sources.find((o) => typeof o.src === 'string')?.src;
        }
        if (Array.isArray(cfg.playlist)) {
            return cfg.playlist[0]?.file;
        }
        return null;
    }
})();

const DecryptionHooker = new (class extends BaseInterceptor {
    constructor() {
        super('DecryptionHooker');
        this.originalAtob = null;
        this.originalDecode = null;
    }

    activate(context) {
        this.isActive = true;
        this.originalAtob = window.atob;
        window.atob = (...args) => {
            const res = this.originalAtob.apply(window, args);
            if (typeof res === 'string' && (Utils.isM3U8(res) || /\.(mp4|flv|webm)(\?|$)/.test(res))) {
                this.log(`atob 发现链接`, CONSTANTS.LOG_TYPES.DECRYPTION_HOOK);
                context.coreLogic.addTakeoverCandidate({
                    url: res,
                    sourceName: CONSTANTS.TAKEOVER_SOURCES.DECRYPTION_HOOK_ATOB,
                });
            }
            return res;
        };

        if (typeof TextDecoder !== 'undefined') {
            this.originalDecode = TextDecoder.prototype.decode;
            TextDecoder.prototype.decode = function (input, options) {
                const res = DecryptionHooker.originalDecode.call(this, input, options);
                if (res && res.length > 20 && res.includes('#EXTM3U')) {
                    DecryptionHooker.log(`TextDecoder 发现M3U8`, CONSTANTS.LOG_TYPES.DECRYPTION_HOOK);
                    context.coreLogic.addTakeoverCandidate({
                        url: 'blob:text_decoder_hook',
                        m3u8Text: res,
                        sourceName: 'TextDecoder劫持',
                    });
                }
                return res;
            };
        }
    }

    deactivate() {
        if (this.originalAtob) {
            window.atob = this.originalAtob;
        }
        if (this.originalDecode) {
            TextDecoder.prototype.decode = this.originalDecode;
        }
        this.isActive = false;
    }
})();

const JsonInspector = new (class extends BaseInterceptor {
    constructor() {
        super('JsonInspector');
        this.originalParse = null;
        this.processedUrls = new Set();
        this.PATTERNS = {
            BLOCK: /googleads|doubleclick|syndication|adservice|criteo|taboola|favicon\.ico|blank\.mp4|empty\.mp4|\.gif|\.css|\.js|_TPL_|media=hls4A|analyt|pixel|beacon|stat|\.(jpg|jpeg|png|webp|svg|bmp|tiff|vtt|srt|ass|dfxp)(\?|$)/i,
            BAD_KEYS:
            /thumbnail|cover|poster|sprite|mask|icon|logo|avatar|ad_url|vast|vpaid|preroll|postroll|midroll|bumper|subtitle|caption|track|analytics|beacon|log|report|config|setting|preview|trailer|teaser|sample|snippet|intro/i,
            VIDEO_EXT: /\.(m3u8|mpd|mp4|flv|webm|mkv|avi|mov)(\?|$)/i,
            GOOD_KEYS: /^(src|url|play_?url|video_?url|stream|hls|dash|file|video|content|media|path|source)$/i,
        };
    }

    activate(context) {
        this.isActive = true;
        this.originalParse = JSON.parse;
        JSON.parse = (text, reviver) => {
            const res = this.originalParse.call(JSON, text, reviver);
            if (!this._shouldInspectParsedText(text)) {
                return res;
            }
            setTimeout(() => this._scan(res, context), 0);
            return res;
        };
    }

    _shouldInspectParsedText(text) {
        return !!(
            text &&
            text.length >= 50 &&
            /m3u8|mp4|flv|video|play|url|src|http/i.test(text) &&
            !Utils.isHighNoisePage()
        );
    }

    deactivate() {
        if (this.originalParse) {
            JSON.parse = this.originalParse;
        }
        this.isActive = false;
    }

    _walkArray(items, depth, processedObjects, candidates) {
        items.slice(0, 50).forEach((item) => this._walkObject(item, depth + 1, processedObjects, candidates));
    }

    _pushJsonCandidate(candidates, key, value, owner) {
        const score = this._evaluate(key, value, owner);
        if (score >= 40) {
            candidates.push({ url: value.trim(), score, jsonContext: owner });
        }
    }

    _walkObject(obj, depth, processedObjects, candidates) {
        if (depth > 6 || !obj || typeof obj !== 'object' || processedObjects.has(obj)) {
            return;
        }
        processedObjects.add(obj);

        if (Array.isArray(obj)) {
            this._walkArray(obj, depth, processedObjects, candidates);
            return;
        }

        for (const key in obj) {
            const value = obj[key];
            if (typeof value === 'string') {
                this._pushJsonCandidate(candidates, key, value, obj);
            } else if (typeof value === 'object') {
                this._walkObject(value, depth + 1, processedObjects, candidates);
            }
        }
    }

    _publishCandidates(candidates, context) {
        candidates
            .sort((a, b) => b.score - a.score)
            .slice(0, 3)
            .forEach((candidate) => {
            if (!this.processedUrls.has(candidate.url)) {
                this.processedUrls.add(candidate.url);
                context.coreLogic.addTakeoverCandidate({
                    url: candidate.url,
                    sourceName: `${CONSTANTS.TAKEOVER_SOURCES.DECRYPTION_HOOK_JSON} (评分:${candidate.score})`,
                    jsonContext: candidate.jsonContext,
                });
            }
        });
    }

    _scan(obj, context) {
        const candidates = [];
        const processedObjects = new WeakSet();

        try {
            this._walkObject(obj, 0, processedObjects, candidates);
        } catch (e) {
            console.debug('JSON walk failed:', e);
        }

        if (candidates.length) {
            this._publishCandidates(candidates, context);
        }
    }

    _evaluate(key, val, parent) {
        if (val.length < 10 || this.processedUrls.has(val)) {
            return 0;
        }
        if (
            !/^(https?:|\/\/|blob:)/i.test(val) ||
            this.PATTERNS.BLOCK.test(val) ||
            this.PATTERNS.BAD_KEYS.test(key)
        ) {
            return 0;
        }

        let score = 0;
        const isVid = this.PATTERNS.VIDEO_EXT.test(val);
        if (isVid) {
            score += /\.m3u8|\.mpd/i.test(val) ? 80 : /\/m3u8\/|\/hls\//i.test(val) ? 0 : 30;
        } else {
            score -= 20;
        }

        if (this.PATTERNS.GOOD_KEYS.test(key)) {
            score += 30;
        }
        if (parent.type && /video|mpegURL/i.test(parent.type)) {
            score += 30;
        }
        if (val.includes('?') && isVid) {
            score += 10;
        }

        return score;
    }
})();

const IntersectionObserverHooker = new (class extends BaseInterceptor {
    constructor() {
        super('IntersectionObserverHooker');
        this.originalIO = null;
    }
    activate(context) {
        this.isActive = true;
        this.originalIO = window.IntersectionObserver;
        if (!this.originalIO) return;
        const OriginalIO = this.originalIO;
        window.IntersectionObserver = function (callback, options) {
            const hookedCallback = (entries, observer) => {
                try {
                    entries.forEach((entry) => {
                        if (!entry.isIntersecting) {
                            Object.defineProperty(entry, 'isIntersecting', { value: true, configurable: true });
                            Object.defineProperty(entry, 'intersectionRatio', { value: 1, configurable: true });
                        }
                    });
                } catch (e) {}
                return callback(entries, observer);
            };
            return new OriginalIO(hookedCallback, options);
        };
        window.IntersectionObserver.prototype = OriginalIO.prototype;
    }
    deactivate() {
        if (this.originalIO) {
            window.IntersectionObserver = this.originalIO;
        }
        this.isActive = false;
    }
})();

const SetAttributeHooker = new (class extends BaseInterceptor {
    constructor() {
        super('SetAttributeHooker');
        this.originalSetAttribute = null;
        this.descriptors = new Map();
    }

    activate(context) {
        this.isActive = true;
        this.originalSetAttribute = Element.prototype.setAttribute;
        this._installSetAttributeHook(context);
        this._hookSrcProperty(HTMLMediaElement.prototype, context);
        this._hookSrcProperty(HTMLSourceElement.prototype, context);
    }

    _isProcessableSrcValue(el, val) {
        return typeof val === 'string' && val.startsWith('http') && el._dmzLastSrc !== val;
    }

    _isLinkedAwayFromCurrentPage(el) {
        const parentLink = el.closest('a');
        if (!(parentLink && parentLink.href && !parentLink.href.includes('#'))) {
            return false;
        }
        const currentUrl = window.location.href.split('#')[0].split('?')[0];
        return !parentLink.href.includes(currentUrl);
    }

    _shouldIgnoreMediaElement(el, val, context) {
        if (!el.isConnected) {
            return true;
        }
        if (this._isLinkedAwayFromCurrentPage(el)) {
            return true;
        }
        if (el.muted && el.autoplay && !el.controls) {
            return true;
        }
        return PageScanner.isPreRollAdByPathFeatures(val, context);
    }

    _buildAttributeCandidate(el, val, type) {
        return {
            url: val,
            sourceName: `${CONSTANTS.TAKEOVER_SOURCES.DECRYPTION_HOOK_ATTR} (${type})`,
            mediaElement: el.tagName === 'SOURCE' ? el.parentElement : el,
        };
    }

    _processSrcAssignment(el, val, type, context) {
        if (!this._isProcessableSrcValue(el, val)) {
            return;
        }
        el._dmzLastSrc = val;
        if (this._shouldIgnoreMediaElement(el, val, context)) {
            return;
        }
        this.log(`捕获〈${el.tagName}〉Src设置(${type})`, CONSTANTS.LOG_TYPES.DECRYPTION_HOOK);
        context.coreLogic.addTakeoverCandidate(this._buildAttributeCandidate(el, val, type));
    }

    _isMediaSrcAttribute(el, name) {
        return /^(VIDEO|AUDIO|SOURCE)$/.test(el.tagName) && name.toLowerCase() === 'src';
    }

    _installSetAttributeHook(context) {
        Element.prototype.setAttribute = function (name, value) {
            if (SetAttributeHooker._isMediaSrcAttribute(this, name)) {
                SetAttributeHooker._processSrcAssignment(this, value, 'Attribute', context);
            }
            return SetAttributeHooker.originalSetAttribute.apply(this, arguments);
        };
    }

    _cacheSrcDescriptor(proto, desc) {
        this.descriptors.set(proto, desc);
    }

    _hookSrcProperty(proto, context) {
        const desc = Object.getOwnPropertyDescriptor(proto, 'src');
        if (desc?.set) {
            this._cacheSrcDescriptor(proto, desc);
            Object.defineProperty(proto, 'src', {
                configurable: true,
                enumerable: true,
                get: desc.get,
                set: function (v) {
                    SetAttributeHooker._processSrcAssignment(this, v, 'Prop', context);
                    desc.set.call(this, v);
                },
            });
        }
    }

    deactivate() {
        if (this.originalSetAttribute) {
            Element.prototype.setAttribute = this.originalSetAttribute;
        }
        this.descriptors.forEach((d, p) => Object.defineProperty(p, 'src', d));
        this.descriptors.clear();
        this.isActive = false;
    }
})();

const SCANNER_RULES = {
    KEYWORDS: [
        {
            p: /(visual|preview|trailer|teaser|snippet|sample|intro|opening|ending|partner|advert|background|banner|cover|thumb|poster|sprite|animation|loop|web_preview|short_video|biometric|guide|instruction)/i,
            s: 50,
        },
        { p: /(_|\-)(pv|ad|short)(_|\-|$|\.)/i, s: 40 },
        { p: /(demo|try)=\d+/i, s: 40 },
        { p: /(limit|start|end)=(?!1\b)(?!3\b)\d{1,7}(?!\d)/i, s: 40 },
        { p: /\/ads?([\/\.&\?#]|$)/i, s: 50 },
        { p: /advert|preroll|promo|sponsor|vast|vpaid/i, s: 40 },
        { p: /\.gif|gif\./i, s: 60 },
        { p: /(yugao|pianhua|zixun|huaxu|clip|featurette)/i, s: 80 },
        { p: /\/ad(s|vert)?\//i, s: 70 },
        { p: /(_|\-)(trailer|teaser|sample|preview)(_|\-|$|\.)/i, s: 60 },
    ],
    PARAMS: [
        { p: /^ad_|^utm_|^gclid$/i, s: 30 },
        { p: /campaign|creative|impression/i, s: 20 },
        { p: /watermark|logo/i, s: 15 },
    ],
    LOW_RES: [
        { p: /\/(\d+)x(\d+)\./, max: 230400, s: 30 },
        { p: /_(\d{1,3})\.(mp4|ts|flv)/i, max: 240, s: 30 },
        { p: /(_|\-)(360p|480p|540p|sd)(_|\-|\.|$)/i, s: 25 },
    ],
    BLOCK_DOMAINS: [/doubleclick\.net|googlesyndication\.com|adservice\.google/i, /vp\.externulls\.com/i],
};

class PageScanner {
    static get RULES() {
        return SCANNER_RULES;
    }

    static log(ctx, msg, type = CONSTANTS.LOG_TYPES.SCAN) {
        ctx.actionLogger.log(msg, type);
    }

    static _findFlashvarsScript() {
        return Array.from(document.querySelectorAll('script')).find((s) =>
                                                                    s.textContent.includes('var flashvars_')
                                                                   );
    }

    static _extractFlashvarsData(script) {
        const match = script && script.textContent.match(/var\s+flashvars_\d+\s*=\s*({[\s\S]*?});/);
        return match ? JSON.parse(match[1]) : null;
    }

    static _pickBestFlashvarsDefinition(mediaDefinitions) {
        let best = null;
        mediaDefinitions.forEach((d) => {
            if (d.videoUrl && parseInt(d.quality) > (best ? parseInt(best.quality) : -1)) {
                best = d;
            }
        });
        return best;
    }

    static _publishFlashvarsCandidate(ctx, best) {
        this.log(ctx, `Flashvars 发现源: ${best.quality}p`, CONSTANTS.LOG_TYPES.TAKEOVER_SUCCESS);
        ctx.coreLogic.addTakeoverCandidate({
            url: best.videoUrl,
            sourceName: '页面数据扫描(flashvars)',
        });
    }

    static scanForFlashvars(ctx) {
        if (Utils.isHighNoisePage()) {
            return;
        }
        try {
            const data = this._extractFlashvarsData(this._findFlashvarsScript());
            if (!data?.mediaDefinitions) {
                return;
            }
            const best = this._pickBestFlashvarsDefinition(data.mediaDefinitions);
            if (best) {
                this._publishFlashvarsCandidate(ctx, best);
            }
        } catch (e) {
            console.debug('Failed to scan flashvars:', e);
        }
    }

    static _getEmbeddedDataPatterns() {
        return [
            /(?:'|")\w*(?:url|source|src)(?:'|")\s*:\s*(?:'|")([^'"]+\.(?:mp4|m3u8)(?:[\?#][^'"]*)?)(?:'|")/gi,
            /['"](https?:\/\/[^'"]+\.(?:mp4|m3u8)(?:[\?#][^'"]*)?)['"]/gi,
        ];
    }

    static _decodeEmbeddedUrl(url) {
        return url.includes('\\u')
            ? url.replace(/\\u([0-9a-fA-F]{4})/g, (_, h) => String.fromCharCode(parseInt(h, 16))).replace(/\\/g, '')
        : url.replace(/\\/g, '');
    }

    static _getEmbeddedScriptText(script) {
        return script.textContent.slice(0, 50000);
    }

    static _extractEmbeddedUrlFromPattern(pattern, text) {
        let match;
        while ((match = pattern.exec(text)) !== null) {
            return this._decodeEmbeddedUrl(match[1]);
        }
        return null;
    }

    static _scanScriptAgainstPatterns(script, ctx, patterns) {
        const text = this._getEmbeddedScriptText(script);
        if (text.length < 200) {
            return false;
        }
        let found = false;
        for (const pattern of patterns) {
            let url;
            while ((url = this._extractEmbeddedUrlFromPattern(pattern, text)) !== null) {
                if (!this.isPreRollAdByPathFeatures(url, ctx)) {
                    this.log(ctx, `嵌入式扫描发现源`, CONSTANTS.LOG_TYPES.TAKEOVER_SUCCESS);
                    ctx.coreLogic.addTakeoverCandidate({
                        url,
                        sourceName: '页面数据扫描(嵌入式)',
                    });
                    found = true;
                }
            }
        }
        return found;
    }

    static scanForEmbeddedData(ctx) {
        if (Utils.isHighNoisePage()) {
            return;
        }
        const patterns = this._getEmbeddedDataPatterns();
        try {
            Array.from(document.querySelectorAll('script:not([src])')).forEach((script) =>
                                                                               this._scanScriptAgainstPatterns(script, ctx, patterns)
                                                                              );
        } catch (e) {
            console.debug('Failed to scan embedded data:', e);
        }
    }

    static _isDirectPlayableManifest(url) {
        return url.includes('.m3u8') && !/(preview|trailer|teaser|advert|promo|snippet)/i.test(url);
    }

    static _isImmediatePreviewAsset(url) {
        return /(freepv|litevideo|sample|preview|trailer|teaser|snippet|timeline|thumbnails?|sprite|vtt)/i.test(
            url
        );
    }

    static _isAuthContextPath() {
        const { path } = Utils._getNormalizedPath();
        return (
            /(^|\/)(auth|login|signin|account|dashboard|member|profile|settings)($|\/|\.|_)/i.test(path) &&
            !/(play|video|watch|detail|view)/i.test(path)
        );
    }

    static _scoreKeywordRules(url) {
        let score = 0;
        SCANNER_RULES.KEYWORDS.forEach((rule) => {
            if (rule.p.test(url)) {
                score += rule.s;
            }
        });
        return score;
    }

    static _scoreLongPathSegments(parsedUrl) {
        let score = 0;
        parsedUrl.pathname
            .split('/')
            .filter(Boolean)
            .forEach((seg) => {
            if (seg.length > 50 && /^[a-zA-Z0-9]+$/.test(seg)) {
                score += 5;
            }
        });
        return score;
    }

    static _scoreTrackedQueryParams(parsedUrl) {
        let score = 0;
        parsedUrl.searchParams.forEach((value, key) => {
            SCANNER_RULES.PARAMS.forEach((rule) => {
                if (rule.p.test(key)) {
                    score += rule.s;
                }
            });
        });
        return score;
    }

    static _scoreLowResolutionRules(url) {
        let score = 0;
        SCANNER_RULES.LOW_RES.forEach((rule) => {
            const match = url.match(rule.p);
            if (match) {
                const value = match.length > 2 ? parseInt(match[1]) * parseInt(match[2]) : parseInt(match[1]);
                if (value < rule.max) {
                    score += rule.s;
                }
            }
        });
        return score;
    }

    static _applyLowResolutionScore(url, parsedUrl, score) {
        let nextScore = score;
        nextScore += this._scoreLowResolutionRules(url);
        if (parsedUrl.searchParams.size > 8) {
            nextScore += 10;
        }
        nextScore += this._scoreLongPathSegments(parsedUrl);
        nextScore += this._scoreTrackedQueryParams(parsedUrl);
        return nextScore;
    }

    static _logKeywordAdDetection(ctx, score, url) {
        this.log(
            ctx,
            `URL判定为广告(关键词). Score:${score}. URL:${url.slice(-50)}`,
            CONSTANTS.LOG_TYPES.SCAN_WARN
        );
    }

    static _logStructuralAdDetection(ctx, score, url) {
        this.log(ctx, `URL判定为广告(结构). Score:${score}. URL:${url.slice(-50)}`, CONSTANTS.LOG_TYPES.SCAN_WARN);
    }

    static _matchesBlockedDomain(url) {
        return SCANNER_RULES.BLOCK_DOMAINS.some((rule) => rule.test(url));
    }

    static isPreRollAdByPathFeatures(url, ctx) {
        if (typeof url !== 'string' || !url) {
            return false;
        }
        if (this._isDirectPlayableManifest(url)) {
            return false;
        }
        if (this._isImmediatePreviewAsset(url)) {
            return true;
        }
        if (this._isAuthContextPath()) {
            return true;
        }

        let score = this._scoreKeywordRules(url);
        if (score >= 25) {
            this._logKeywordAdDetection(ctx, score, url);
            return true;
        }

        if (url.includes('ipa=') && /(rst|t)=\d+k/.test(url)) {
            return true;
        }
        if (this._matchesBlockedDomain(url)) {
            return true;
        }

        try {
            const parsedUrl = new URL(url, window.location.href);
            score = this._applyLowResolutionScore(url, parsedUrl, score);
            if (score >= 25) {
                this._logStructuralAdDetection(ctx, score, url);
                return true;
            }
        } catch (e) {
            console.debug('Failed to evaluate ad by features:', e);
        }
        return false;
    }
}

const MANAGED_MODULE_DESCRIPTORS = RefactorCollectionUtils.freezeCollection([
    { module: PlayerHooker, configKey: 'enablePlayerTakeover' },
    { module: NetworkInterceptor, configKey: 'enableNetworkInterceptor' },
    { module: DecryptionHooker, configKey: 'enableDecryptionHook' },
    { module: JsonInspector, configKey: 'enableJsonInspector' },
    { module: SetAttributeHooker, configKey: 'enableSetAttributeHooker' },
    { module: IntersectionObserverHooker, configKey: 'enablePlayerTakeover' },
]);

const ManagedModuleUtils = {
    forEach(descriptors, handler) {
        descriptors.forEach(handler);
    },

    isEnabled(config, configKey) {
        return !!config?.[configKey];
    },

    applyConfig(descriptors, context, config) {
        this.forEach(descriptors, ({ module, configKey }) => {
            if (this.isEnabled(config, configKey)) {
                module.enable(context);
            } else {
                module.disable(context);
            }
        });
    },

    enableConfigured(descriptors, context) {
        const config = context.settingsManager?.config;
        this.forEach(descriptors, ({ module, configKey }) => {
            if (this.isEnabled(config, configKey)) {
                module.enable(context);
            }
        });
    },
};

const ManagedModules = {
    applyConfig(context, config) {
        ManagedModuleUtils.applyConfig(MANAGED_MODULE_DESCRIPTORS, context, config);
    },

    enableConfigured(context) {
        ManagedModuleUtils.enableConfigured(MANAGED_MODULE_DESCRIPTORS, context);
    },
};

const ServiceDescriptorUtils = {
    instantiate(context, descriptors) {
        return descriptors.reduce((services, { key, factory }) => {
            if (RefactorCollectionUtils.hasOwn(services, key)) {
                return services;
            }
            services[key] = factory(context);
            return services;
        }, {});
    },

    assign(context, descriptors) {
        const services = this.instantiate(context, descriptors);
        Object.keys(services).forEach((key) => {
            if (!RefactorCollectionUtils.hasOwn(context, key)) {
                context[key] = services[key];
            }
        });
        return context;
    },
};

const CORE_SERVICE_DESCRIPTORS = RefactorCollectionUtils.freezeCollection([
    { key: 'diagnosticsTool', factory: (context) => new DiagnosticsTool(context) },
    { key: 'settingsManager', factory: (context) => new SettingsManager(context) },
    { key: 'frameCommunicator', factory: (context) => new FrameCommunicator(context) },
    { key: 'styleManager', factory: (context) => new StyleManager(context) },
    { key: 'playerManager', factory: (context) => new PlayerManager(context) },
    { key: 'coreLogic', factory: (context) => new CoreLogic(context) },
    { key: 'spaNavigator', factory: (context) => new SPANavigator(context) },
    { key: 'domScanner', factory: (context) => new DOMScanner(context) },
    { key: 'iframeTerminator', factory: (context) => new IframeTerminator(context) },
    { key: 'iframeMonitor', factory: (context) => new IframeMonitor(context) },
]);

const PANEL_SERVICE_DESCRIPTORS = RefactorCollectionUtils.freezeCollection([
    { key: 'settingsUI', factory: (context) => new SettingsUI(context) },
    { key: 'infoPanelManager', factory: (context) => new InfoPanelManager(context) },
    { key: 'unifiedPanelManager', factory: (context) => new UnifiedPanelManager(context) },
]);

const ContextFactory = {
    createServiceGroup(context, descriptors) {
        return ServiceDescriptorUtils.assign(context, descriptors);
    },

    attachCoreServices(context) {
        return this.createServiceGroup(context, CORE_SERVICE_DESCRIPTORS);
    },

    attachPanelServices(context) {
        return this.createServiceGroup(context, PANEL_SERVICE_DESCRIPTORS);
    },

    attachAllServices(context) {
        this.attachCoreServices(context);
        this.attachPanelServices(context);
        return context;
    },

    finalize(context) {
        context.actionLogger.setContext(context);
        window.diagnosticsTool = context.diagnosticsTool;
        return context;
    },

    create() {
        const context = { actionLogger: new ActionLogger() };
        this.attachAllServices(context);
        return this.finalize(context);
    },
};

const HeuristicBootstrap = {
    start(context) {
        let simClickCount = 0;
        SmartClickModel.ensurePlaybackObservers(document);
        Utils.startPollingTask(
            1500,
            () => {
                if (context.coreLogic.isSystemHalted || context.domScanner.isStopped) {
                    return true;
                }
                if (SmartClickModel.shouldStopAutomation(context)) {
                    return false;
                }
                if (simClickCount++ > 300) {
                    return false;
                }
                this.tick(context);
                return !SmartClickModel.shouldStopAutomation(context);
            },
            'Heuristic bootstrap failed:'
        );
    },

    tick(context) {
        if (SmartClickModel.shouldStopAutomation(context)) {
            return;
        }
        const isListingPage = this.detectListingPage();
        if (this.shouldSkip(isListingPage)) {
            return;
        }
        if (!(context.playerManager.isPlayerActiveOrInitializing || context.coreLogic.decisionInProgress)) {
            this.attemptVideoAutoplay(isListingPage);
        }
        if (SmartClickModel.shouldStopAutomation(context)) {
            return;
        }
        this.triggerPlayTargets(this.findTargets(), context);
    },

    detectListingPage() {
        const mainVideo = document.querySelector('video');
        if (!mainVideo) {
            return document.querySelectorAll('a > img').length > 8;
        }
        const rect = mainVideo.getBoundingClientRect();
        return rect.width < 150 || rect.height < 100;
    },

    shouldSkip(isListingPage) {
        if (!isListingPage) {
            return false;
        }
        const pageSignal = window.location.href + document.title;
        return !/(movie|video|play|watch|vod|film|anime|drama|episode|scene|jav|porn)/i.test(pageSignal);
    },

    attemptVideoAutoplay(isListingPage) {
        document.querySelectorAll('video').forEach((video) => {
            if (video.id === CONSTANTS.IDS.PLAYER) {
                return;
            }
            if (video.dataset.dmzNeutralized) {
                return;
            }
            if (video.paused && !isListingPage) {
                try {
                    video.muted = true;
                    video.play().catch(() => {});
                } catch (e) {
                    console.debug('Heuristic playback failed:', e);
                }
            }
        });
    },

    findTargets() {
        const staticTargets = Utils.queryFirstVisiblePerSelector([
            '.fp-ui',
            '.jw-video',
            '.vjs-big-play-button',
            '.plyr__control--overlaid',
            '.art-control-play',
            '.dplayer-mobile-play',
            '.play-button',
            'div[class*="play"]',
            'button[class*="play"]',
            '.shadow-md.bg-black.rounded-md.overflow-hidden > div > div > div',
        ]);
        const dynamicTargets = Utils.discoverDynamicPlayButtons();
        const fingerprintSeen = new Set();
        return Array.from(new Set([...staticTargets, ...dynamicTargets]))
            .map((target) => SmartClickModel.resolveClickTarget(target))
            .filter((target) => {
            if (!target) {
                return false;
            }
            const fp = SmartClickModel.getElementFingerprint(target);
            if (fp && fingerprintSeen.has(fp)) {
                return false;
            }
            if (fp) {
                fingerprintSeen.add(fp);
            }
            return true;
        })
            .filter((target) =>
                    SmartClickModel.isHighConfidenceTarget(target, {
            allowVideoElement: false,
        })
                   )
            .sort(
            (a, b) =>
            SmartClickModel.getCandidateScore(b, { allowVideoElement: false }) -
            SmartClickModel.getCandidateScore(a, { allowVideoElement: false })
        );
    },

    triggerPlayTargets(targets, context) {
        for (const target of targets) {
            if (this.shouldSkipTarget(target)) {
                continue;
            }
            if (SmartClickModel.shouldStopAutomation(context) || SmartClickModel.isInSettleWindow()) {
                break;
            }
            if (!SmartClickModel.canClickTarget(target)) {
                continue;
            }
            const clicked = this.dispatchClickSequence(target);
            if (clicked) {
                Utils.safeNativeClick(target, 'Heuristic native click failed:');
                break;
            }
        }
    },

    shouldSkipTarget(target) {
        if (target.closest(CONSTANTS.SELECTORS.DMZ_EXCLUSION)) {
            return true;
        }
        const interactiveNode = target.closest('a, button, [role="button"], li') || target;
        const attrStr = (
            interactiveNode.id +
            ' ' +
            interactiveNode.className +
            ' ' +
            (interactiveNode.getAttribute('aria-label') || '') +
            ' ' +
            (interactiveNode.getAttribute('title') || '') +
            ' ' +
            target.className
        ).toLowerCase();
        if (SHARED_PATTERNS.NEGATIVE_UI_KEYWORDS.test(attrStr)) {
            return true;
        }
        if (target.closest('[class*="prev"],[class*="next"]')) {
            return true;
        }
        const parentLink = target.closest('a');
        if (parentLink && parentLink.href && !parentLink.href.includes('javascript')) {
            const containsVideo = parentLink.querySelector('video');
            if (!containsVideo) {
                return true;
            }
        }
        return !SmartClickModel.isHighConfidenceTarget(target, {
            allowVideoElement: false,
        });
    },

    dispatchClickSequence(target) {
        const resolvedTarget = SmartClickModel.resolveClickTarget(target);
        if (
            !SmartClickModel.isHighConfidenceTarget(resolvedTarget, {
                allowVideoElement: false,
            }) ||
            !SmartClickModel.canClickTarget(resolvedTarget)
        ) {
            return false;
        }
        const rect = resolvedTarget.getBoundingClientRect();
        SmartClickModel.recordClick(resolvedTarget);
        Utils.dispatchMouseEventSequence(
            resolvedTarget,
            ['pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click'],
            {
                clientX: rect.left + rect.width / 2,
                clientY: rect.top + rect.height / 2,
            },
            'Heuristic click dispatch failed:'
        );
        return true;
    },
};

const RuntimeCoordinator = {
    runOnDomReady(task) {
        if (document.readyState === 'loading') {
            window.addEventListener('DOMContentLoaded', task, { once: true });
        } else {
            task();
        }
    },

    initAlwaysOnServices(context) {
        context.diagnosticsTool.init();
        context.iframeTerminator.start();
    },

    isBlacklistedDomain(context) {
        const hostname = window.location.hostname;
        if (
            !CONSTANTS.IS_TOP_FRAME &&
            /(disqus\.com|recaptcha|doubleclick\.net|googlesyndication|adservice|taboola|outbrain|criteo|facebook\.com|twitter\.com|instagram\.com|scorecardresearch)/i.test(
                hostname
            )
        ) {
            return true;
        }
        return context.settingsManager.config.blacklist.some((domain) => {
            try {
                return Utils.wildcardToRegex(domain.trim()).test(hostname);
            } catch (e) {
                return false;
            }
        });
    },

    handleBlacklistExit(context) {
        const hostname = window.location.hostname;
        context.actionLogger.log(`黑名单匹配，已在 ${hostname} 停用。`, CONSTANTS.LOG_TYPES.INIT);
        context.iframeTerminator.stop();
    },

    initTopFrameShell(context) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        context.unifiedPanelManager.initGesture();
        if (typeof GM_registerMenuCommand === 'function') {
            GM_registerMenuCommand(`📊 ${CONSTANTS.SCRIPT_NAME} 诊断与设置`, () =>
                                   context.unifiedPanelManager.show()
                                  );
        }
        context.spaNavigator.init();
        context.coreLogic.initializeUserIntentObserver();
    },

    resolveSleepState(context) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return false;
        }
        const sleepEval = PageSleepModel.evaluate(context);
        if (!sleepEval.isSleeping) {
            context.actionLogger.log(`页面评分达标(总分${sleepEval.score})，全速激活！`, CONSTANTS.LOG_TYPES.INIT);
            return false;
        }
        context.actionLogger.log(`页面评分低[${sleepEval.reason}]，待机。`, CONSTANTS.LOG_TYPES.INIT);
        context.domScanner.isStopped = true;
        context.coreLogic.isSystemHalted = true;
        return true;
    },

    logActivation() {
        console.log(`[${CONSTANTS.SCRIPT_NAME}] v${CONSTANTS.SCRIPT_VERSION} 激活 @ ${window.location.href}`);
    },

    initFrameCommunicator(context) {
        context.frameCommunicator.init();
    },

    bindManagedModuleConfigSync(context) {
        EventBus.on('CONFIG_UPDATED', ({ newConfig }) => {
            ManagedModules.applyConfig(context, newConfig);
        });
    },

    createTopFramePageScanTask(context) {
        return () => {
            PageScanner.scanForFlashvars(context);
            PageScanner.scanForEmbeddedData(context);
        };
    },

    initTopFrameRuntime(context) {
        if (!CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        try {
            context.iframeMonitor.init();
        } catch (error) {
            context.actionLogger.log(`[IframeMonitor] 初始化失败: ${error.message}`, CONSTANTS.LOG_TYPES.ERROR);
        }
        context.coreLogic.sandboxManager.startCountdown();
        this.runOnDomReady(this.createTopFramePageScanTask(context));
    },

    initActiveRuntime(context, isSleeping) {
        ManagedModules.enableConfigured(context);
        if (!isSleeping) {
            this.initTopFrameRuntime(context);
        }
    },

    queryTopFrameIfNeeded(context) {
        if (CONSTANTS.IS_TOP_FRAME) {
            return;
        }
        if (window.__dmzMainPlayerQueryBootstrapped) {
            return;
        }
        window.__dmzMainPlayerQueryBootstrapped = true;

        let sentCount = 0;
        let lastSentAt = 0;
        let observer = null;

        const postQuery = () => {
            if (context.playerManager.isPlayerActiveOrInitializing || context.coreLogic.isSystemHalted) {
                return;
            }
            const now = Date.now();
            if (sentCount >= 10 || now - lastSentAt < 300) {
                return;
            }
            lastSentAt = now;
            sentCount += 1;
            context.frameCommunicator.postToTopFrame({
                type: CONSTANTS.MESSAGE_TYPES.QUERY_IS_MAIN_PLAYER,
            });
            if (sentCount >= 10 && observer) {
                observer.disconnect();
                observer = null;
            }
        };
        [100, 450, 1100, 2200, 3600, 5500, 8000].forEach((delay) => setTimeout(postQuery, delay));

        window.addEventListener('load', () => setTimeout(postQuery, 120), {
            once: true,
        });
        window.addEventListener('pageshow', postQuery, { once: true });
        document.addEventListener('readystatechange', () => {
            if (document.readyState === 'interactive' || document.readyState === 'complete') {
                postQuery();
            }
        });

        observer = new MutationObserver((mutations) => {
            for (const mutation of mutations) {
                if (sentCount >= 10) {
                    observer.disconnect();
                    observer = null;
                    return;
                }
                if (mutation.type === 'childList') {
                    for (const node of mutation.addedNodes) {
                        if (!(node instanceof Element)) {
                            continue;
                        }
                        const playerSelectors =
                              'video, iframe, source, [class*="player" i],[id*="player" i], [class*="play" i], [id*="play" i],[aria-label*="play" i], [aria-label*="播放"], [title*="play" i],[title*="播放"], svg, .vjs-tech, .fp-ui';
                        if (node.matches(playerSelectors) || node.querySelector(playerSelectors)) {
                            postQuery();
                            return;
                        }
                    }
                }
                if (mutation.type === 'attributes') {
                    const target = mutation.target;
                    if (target instanceof Element && target.matches('iframe, video, source')) {
                        postQuery();
                        return;
                    }
                }
            }
        });

        observer.observe(document.documentElement, {
            childList: true,
            subtree: true,
            attributes: true,
            attributeFilter: ['src', 'poster'],
        });

        setTimeout(() => {
            if (observer) {
                observer.disconnect();
                observer = null;
            }
        }, 8000);
    },

    initDomScanner(context) {
        this.runOnDomReady(() => context.domScanner.init());
    },

    installWindowOpenGuard(context) {
        const origOpen = window.open;
        window.open = function (...args) {
            if (
                context.playerManager.isPlayerActiveOrInitializing ||
                (typeof args[0] === 'string' && /(ads?|tracker|analytics)/i.test(args[0]))
            ) {
                return null;
            }
            return origOpen.apply(window, args);
        };
    },

    installBlankTargetClickGuard() {
        document.addEventListener(
            'click',
            (event) => {
                const target = event.target.closest('a');
                if (target?.target === '_blank') {
                    const media = document.querySelector('video, iframe');
                    if (media && (media.contains(target) || target.contains(media))) {
                        event.preventDefault();
                        event.stopPropagation();
                    }
                }
            },
            true
        );
    },

    installRateLimitToastGuard(context) {
        const shouldSuppressMessage = (value) => {
            const text = String(value || '').replace(/\s+/g, '');
            if (!text || text.length > 40) {
                return false;
            }
            return /操作过于频繁/.test(text) && /(请)?稍[候后].{0,3}再试/.test(text);
        };

        const shouldGuardNow = () => {
            try {
                return !!(
                    context.playerManager?.isPlayerActiveOrInitializing ||
                    context.coreLogic?.decisionInProgress ||
                    context.coreLogic?.sandboxManager?.hasTriggeredSandbox ||
                    context.coreLogic?.sandboxManager?.iframeSandbox
                );
            } catch (e) {
                return false;
            }
        };

        const logSuppressedMessage = () => {
            if (context.__dmzRateLimitToastLogged) {
                return;
            }
            context.__dmzRateLimitToastLogged = true;
            context.actionLogger.log(`[通用兼容]|已启用“频繁操作提示”抑制保护。`, CONSTANTS.LOG_TYPES.INFO);
        };

        const origAlert = window.alert;
        window.alert = function (...args) {
            if (shouldGuardNow() && shouldSuppressMessage(args[0])) {
                logSuppressedMessage();
                return;
            }
            return origAlert.apply(this, args);
        };

        const suppressElement = (element) => {
            if (!(element instanceof Element)) {
                return false;
            }
            if (!shouldGuardNow()) {
                return false;
            }
            const text = (element.textContent || '').replace(/\s+/g, '');
            if (!shouldSuppressMessage(text)) {
                return false;
            }
            if (element === document.body || element === document.documentElement) {
                return false;
            }
            if (element.children.length > 12) {
                return false;
            }
            logSuppressedMessage();
            element.style.setProperty('display', 'none', 'important');
            element.style.setProperty('visibility', 'hidden', 'important');
            element.style.setProperty('pointer-events', 'none', 'important');
            if (typeof element.remove === 'function') {
                setTimeout(() => {
                    try {
                        element.remove();
                    } catch (e) {}
                }, 0);
            }
            return true;
        };

        const inspectNode = (node) => {
            if (!(node instanceof Element)) {
                return;
            }
            if (suppressElement(node)) {
                return;
            }
            node.querySelectorAll?.('*').forEach(suppressElement);
        };

        this.runOnDomReady(() => {
            inspectNode(document.body);
            const root = document.documentElement || document.body;
            if (!root) {
                return;
            }
            const observer = new MutationObserver((mutations) => {
                mutations.forEach((mutation) => {
                    mutation.addedNodes.forEach(inspectNode);
                });
            });
            observer.observe(root, {
                childList: true,
                subtree: true,
                characterData: false,
            });
        });
    },

    async bootstrap() {
        const context = ContextFactory.create();
        this.initAlwaysOnServices(context);
        await context.settingsManager.load();

        if (this.isBlacklistedDomain(context)) {
            this.handleBlacklistExit(context);
            return;
        }

        this.initTopFrameShell(context);
        const isSleeping = this.resolveSleepState(context);
        this.logActivation();
        this.initFrameCommunicator(context);
        this.bindManagedModuleConfigSync(context);
        this.initActiveRuntime(context, isSleeping);
        this.queryTopFrameIfNeeded(context);
        this.initDomScanner(context);
        this.installWindowOpenGuard(context);
        this.installBlankTargetClickGuard();
        this.installRateLimitToastGuard(context);
        HeuristicBootstrap.start(context);
    },
};

RuntimeCoordinator.bootstrap().catch((e) => console.error(`[${CONSTANTS.SCRIPT_NAME}] Fatal:`, e));
})();