// ==UserScript==
// @name         智慧树网课助手（纯智慧树版）
// @version      1.0.0
// @author       bzm
// @description  智慧树自动刷课，视频心跳、弹题、作业、考试全自动，接自建题库
// @match        *://*.zhihuishu.com/*
// @match        *://*.studyh5.zhihuishu.com/*
// @match        *://*.xue.zhihuishu.com/*
// @run-at       document-end
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_info
// @grant        GM_openInTab
// @require      https://cdn.bootcdn.net/ajax/libs/jquery/3.7.1/jquery.min.js
// @connect      studyh5.zhihuishu.com
// @connect      xue.zhihuishu.com
// @connect      newapi.zhihuishu.com
// @connect      tk.n1t.cn
// @connect      tk.swk.tw
// ==/UserScript==

/********************************* 配置管理器 ****************************************/
var SettingsManager = {
    _defaults: {
        showBox: 1,
        handleVideo: 1,
        videoRate: 1,
        reviewMode: 0,
        handleQuiz: 1,
        answerInterval: 5000,
        autoSubmit: 0,
        forceSubmit: 0,
        insertAnswer: 1,
        videoMode: 'simulate',
        reportBaseInterval: 58,
        showProgressBar: 1
    },
    get: function(key) {
        var stored = localStorage.getItem('zhs_setting_' + key);
        if (stored !== null) {
            if (stored === 'true') return true;
            if (stored === 'false') return false;
            if (!isNaN(parseFloat(stored)) && isFinite(stored)) return parseFloat(stored);
            return stored;
        }
        return this._defaults[key];
    },
    set: function(key, value) {
        localStorage.setItem('zhs_setting_' + key, value);
        this._defaults[key] = value;
        return value;
    },
    load: function() {
        for (var key in this._defaults) {
            if (localStorage.getItem('zhs_setting_' + key) !== null) {
                var stored = localStorage.getItem('zhs_setting_' + key);
                if (stored === 'true') this._defaults[key] = true;
                else if (stored === 'false') this._defaults[key] = false;
                else if (!isNaN(parseFloat(stored)) && isFinite(stored)) this._defaults[key] = parseFloat(stored);
                else this._defaults[key] = stored;
            }
        }
        if (this._defaults.videoRate > 8) this._defaults.videoRate = 8;
        return this._defaults;
    }
};

var CONFIG = SettingsManager.load();
if (CONFIG.videoRate > 8) CONFIG.videoRate = 8;

function updateConfig(key, value) {
    CONFIG[key] = SettingsManager.set(key, value);
    if (key === 'videoRate' && CONFIG.videoRate > 8) {
        CONFIG.videoRate = 8;
        SettingsManager.set('videoRate', 8);
    }
    log('⚙️ 配置已更新: ' + key + ' = ' + value, 'blue');
}

var UNSAFE_WIN = unsafeWindow;
var LOCATION = location;
var $ = UNSAFE_WIN.jQuery || top.jQuery;

// ========== 通用工具 ==========
function getCookie(name) {
    return ('; ' + document.cookie).split('; ' + name + '=').pop().split(';')[0];
}

function formatDuration(seconds) {
    if (!seconds || seconds < 0) return '00:00';
    var total = Math.max(0, Math.floor(Number(seconds) || 0));
    var hours = Math.floor(total / 3600);
    var minutes = Math.floor((total % 3600) / 60);
    var secs = total % 60;
    var pad = function(n) { return String(n).padStart(2, '0'); };
    if (hours > 0) return pad(hours) + ':' + pad(minutes) + ':' + pad(secs);
    return pad(minutes) + ':' + pad(secs);
}

function normalizeForCompare(text) {
    if (!text) return '';
    return text.toUpperCase().replace(/[^\u4e00-\u9fa5A-Z0-9]/g, '').trim();
}

function splitAnswer(answer) {
    if (!answer) return [];
    var parts = answer.split(/[#]+/).map(function(a) { return a.trim(); }).filter(function(a) { return a !== ''; });
    if (parts.length === 0 && answer.trim() !== '') return [answer.trim()];
    return parts;
}

function tidyString(s) {
    if (!s) return null;
    return s.replace(/<(?!img).*?>/g, '').replace(/^【.*?】\s*/, '').replace(/&nbsp;/g, '').trim();
}

function tidyQuestion(s) {
    if (!s) return null;
    return s.replace(/<(?!img).*?>/g, '').replace(/^【.*?】\s*/, '').replace(/^\d+[.、]/, '').trim();
}

// ========== 日志系统 ==========
var logQueue = [];
var logTimer = null;
function getTopLogContainer() {
    try {
        var topDoc = top.document;
        var container = topDoc.getElementById('zhs-log');
        if (container) return $(container);
        container = document.getElementById('zhs-log');
        if (container) return $(container);
        return null;
    } catch(e) { return null; }
}
function flushLogs() {
    if (logQueue.length === 0) return;
    var container = getTopLogContainer();
    if (container && container.length) {
        var logsToShow = logQueue.slice();
        logQueue = [];
        for (var i = logsToShow.length - 1; i >= 0; i--) {
            container.prepend(logsToShow[i]);
        }
        container.scrollTop(0);
    }
    if (logTimer) { clearTimeout(logTimer); logTimer = null; }
}
function scheduleFlushLogs() {
    if (logTimer) return;
    logTimer = setTimeout(flushLogs, 100);
}
function log(str, color) {
    var time = new Date().toLocaleTimeString();
    var logHtml = '<div style="border-top:1px solid #eee;padding:6px 0;"><span style="color:' + (color || '#000') + ';">[' + time + '] ' + str + '</span></div>';
    logQueue.push(logHtml);
    scheduleFlushLogs();
    console.log('[智慧树助手][' + time + ']', str);
}

// ========== 题库配置 ==========
var API_SERVERS = [
    { url: "https://tk.n1t.cn/api/search.php", name: "接口1" },
    { url: "https://tk.swk.tw/api/search.php", name: "接口2" }
];
var currentServerIndex = 0;
function getApiKey() { return GM_getValue('api_key', ''); }
function hasApiKey() { var key = getApiKey(); return key && key.trim() !== ''; }
function getQuotaInfo() {
    return {
        remaining: GM_getValue('quota_remaining', 0),
        freeRemaining: GM_getValue('quota_free_remaining', 0)
    };
}
var quotaInfo = getQuotaInfo();
function saveQuotaInfo() {
    GM_setValue('quota_remaining', quotaInfo.remaining);
    GM_setValue('quota_free_remaining', quotaInfo.freeRemaining);
}
function updateQuotaInfo(info) {
    if (info) {
        quotaInfo.remaining = info.remaining !== undefined ? info.remaining : quotaInfo.remaining;
        quotaInfo.freeRemaining = info.free_remaining !== undefined ? info.free_remaining : quotaInfo.freeRemaining;
        saveQuotaInfo();
        updateQuotaDisplay();
    }
}
function updateQuotaDisplay() {
    try {
        var targetDoc = top.document;
        if (!targetDoc.querySelector('#quotaInfo')) targetDoc = document;
        var $quotaInfo = $('#quotaInfo', targetDoc);
        if ($quotaInfo.length) {
            if (quotaInfo.remaining > 0) $quotaInfo.html('📊 剩余次数: ' + quotaInfo.remaining + ' | 免费: ' + quotaInfo.freeRemaining);
            else if (hasApiKey()) $quotaInfo.html('⚠️ 次数已用完');
            else $quotaInfo.html('⚠️ 请先设置API密钥');
        }
    } catch(e) {}
}
function checkApiKeyBeforeAction(actionName) {
    if (!hasApiKey()) { log('❌ 无法执行' + actionName + '：请先配置API密钥', 'red'); return false; }
    quotaInfo = getQuotaInfo();
    if (quotaInfo.remaining <= 0 && quotaInfo.freeRemaining <= 0) {
        log('❌ 无法执行' + actionName + '：API次数已用完', 'red');
        return false;
    }
    return true;
}
function testApi(key, serverIndex) {
    return new Promise(function(resolve, reject) {
        var apiUrl = API_SERVERS[serverIndex || 0].url;
        var formData = 'question=' + encodeURIComponent("test") + '&key=' + encodeURIComponent(key) + '&type=' + encodeURIComponent("单选题");
        var timeoutId = setTimeout(function() { reject('请求超时'); }, 10000);
        GM_xmlhttpRequest({
            method: 'POST', url: apiUrl,
            headers: {'Content-Type': 'application/x-www-form-urlencoded'},
            data: formData, timeout: 10000,
            onload: function(xhr) {
                clearTimeout(timeoutId);
                try {
                    var res = JSON.parse(xhr.responseText);
                    if (res.code == 1 || res.code == 400) {
                        if (res.quota_info) updateQuotaInfo(res.quota_info);
                        resolve(res);
                    } else reject(res.msg || '密钥无效');
                } catch(e) { reject('解析失败'); }
            },
            onerror: function() { clearTimeout(timeoutId); reject('网络失败'); },
            ontimeout: function() { clearTimeout(timeoutId); reject('超时'); }
        });
    });
}

// ========== 题库调用（核心，通用） ==========
function getAnswer(questionType, questionText, optionsData, retryCount) {
    retryCount = retryCount || 0;
    var startServerIndex = retryCount;
    return new Promise(function(resolve, reject) {
        var apiKey = getApiKey();
        if (!apiKey || apiKey.trim() === '') { log('❌ 请先设置API密钥', 'red'); reject('NO_API_KEY'); return; }
        quotaInfo = getQuotaInfo();
        if (quotaInfo.remaining <= 0 && quotaInfo.freeRemaining <= 0) { log('❌ API次数已用完', 'red'); reject('QUOTA_EXHAUSTED'); return; }
        var typeMap = {0:'单选题',1:'多选题',2:'填空题',3:'判断题',4:'简答题'};
        var typeText = typeMap[questionType] || '单选题';
        function tryServer(index) {
            if (index >= API_SERVERS.length) { log('❌ 所有接口均失败', 'red'); reject('所有接口均失败'); return; }
            var apiUrl = API_SERVERS[index].url;
            var formData = 'question=' + encodeURIComponent(questionText) + '&key=' + encodeURIComponent(apiKey) + '&type=' + encodeURIComponent(typeText);
            if (optionsData && optionsData.length) formData += '&options=' + encodeURIComponent(JSON.stringify(optionsData));
            var timeoutId = setTimeout(function() { tryServer(index + 1); }, 15000);
            GM_xmlhttpRequest({
                method: 'POST', url: apiUrl,
                headers: {'Content-Type': 'application/x-www-form-urlencoded'},
                data: formData, timeout: 15000,
                onload: function(xhr) {
                    clearTimeout(timeoutId);
                    try {
                        var res = JSON.parse(xhr.responseText);
                        if (res.code == 1 && res.data) {
                            if (res.quota_info) updateQuotaInfo(res.quota_info);
                            currentServerIndex = index;
                            GM_setValue('current_server_index', index);
                            log('✅ 答案: ' + res.data.substring(0, 100), 'purple');
                            resolve(res.data);
                        } else if (res.code == 400) { log('❌ ' + (res.msg || 'API密钥无效'), 'red'); reject('API_KEY_INVALID'); }
                        else tryServer(index + 1);
                    } catch(e) { tryServer(index + 1); }
                },
                onerror: function() { clearTimeout(timeoutId); tryServer(index + 1); },
                ontimeout: function() { clearTimeout(timeoutId); tryServer(index + 1); }
            });
        }
        tryServer(startServerIndex);
    });
}

// ========== 智慧树适配层 ==========
var ZhsAdapter = {
    // 课程 ID 提取（多路兜底）
    getRecruitAndCourseId: function() {
        // 1. URL 参数
        var m = LOCATION.search.match(/recruitAndCourseId=(\d+)/);
        if (m) return m[1];
        // 2. URL 路径
        var pm = LOCATION.pathname.match(/\/course\/(\d+)/);
        if (pm) return pm[1];
        // 3. 全局变量
        try {
            if (UNSAFE_WIN.recruitAndCourseId) return UNSAFE_WIN.recruitAndCourseId;
            if (UNSAFE_WIN.courseId) return UNSAFE_WIN.courseId;
            if (UNSAFE_WIN.__INITIAL_STATE__ && UNSAFE_WIN.__INITIAL_STATE__.recruitAndCourseId) return UNSAFE_WIN.__INITIAL_STATE__.recruitAndCourseId;
        } catch(e) {}
        // 4. DOM data 属性
        var $el = $('[data-recruit-and-course-id]');
        if ($el.length) return $el.attr('data-recruit-and-course-id');
        // 5. localStorage
        try {
            var ls = localStorage.getItem('recruitAndCourseId');
            if (ls) return ls;
        } catch(e) {}
        return null;
    },
    
    // 获取视频元数据
    getVideoInfo: function(recruitAndCourseId, lessonId, videoId, callback) {
        var url = 'https://studyh5.zhihuishu.com/videoStudy/queryVideoStudyInfo'
                + '?recruitAndCourseId=' + recruitAndCourseId
                + '&lessonId=' + lessonId
                + '&videoId=' + videoId
                + '&_t=' + Date.now();
        GM_xmlhttpRequest({
            method: 'GET', url: url,
            headers: { 'Referer': LOCATION.href },
            onload: function(res) {
                try {
                    var data = JSON.parse(res.responseText);
                    if (data.code === 0 && data.data) callback({ success: true, data: data.data });
                    else callback({ success: false, error: data.message || '返回码异常' });
                } catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function(err) { callback({ success: false, error: err.error || '网络错误' }); }
        });
    },
    
    // 视频心跳上报
    reportVideoTime: function(params, callback) {
        var url = 'https://studyh5.zhihuishu.com/videoStudy/saveVideoStudyTime';
        var body = 'recruitAndCourseId=' + params.recruitAndCourseId
                 + '&lessonId=' + params.lessonId
                 + '&videoId=' + params.videoId
                 + '&smallLessonId=' + (params.smallLessonId || '')
                 + '&studyTotalTime=' + params.studyTotalTime
                 + '&watchState=' + params.watchState;
        GM_xmlhttpRequest({
            method: 'POST', url: url,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded',
                'Referer': LOCATION.href
            },
            data: body,
            onload: function(res) {
                try {
                    var data = JSON.parse(res.responseText);
                    callback({ success: data.code === 0, data: data });
                } catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function(err) { callback({ success: false, error: err.error }); }
        });
    },
    
    // 查询弹题
    queryPopupQuestion: function(recruitAndCourseId, lessonId, videoId, callback) {
        var url = 'https://studyh5.zhihuishu.com/videoStudy/queryPopupQuestion'
                + '?recruitAndCourseId=' + recruitAndCourseId
                + '&lessonId=' + lessonId
                + '&videoId=' + videoId
                + '&_t=' + Date.now();
        GM_xmlhttpRequest({
            method: 'GET', url: url,
            headers: { 'Referer': LOCATION.href },
            onload: function(res) {
                try { callback({ success: true, data: JSON.parse(res.responseText) }); }
                catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function() { callback({ success: false }); }
        });
    },
    
    // 提交弹题答案
    submitPopupAnswer: function(recruitAndCourseId, questionId, answer, callback) {
        var url = 'https://studyh5.zhihuishu.com/videoStudy/savePopupQuestion';
        var body = 'recruitAndCourseId=' + recruitAndCourseId
                 + '&questionId=' + questionId
                 + '&answer=' + encodeURIComponent(answer);
        GM_xmlhttpRequest({
            method: 'POST', url: url,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Referer': LOCATION.href },
            data: body,
            onload: function(res) {
                try { callback({ success: true, data: JSON.parse(res.responseText) }); }
                catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function() { callback({ success: false }); }
        });
    },
    
    // 提交作业
    submitHomework: function(recruitAndCourseId, homeworkId, answers, callback) {
        var url = 'https://studyh5.zhihuishu.com/homework/saveHomeworkAnswer';
        var body = 'recruitAndCourseId=' + recruitAndCourseId
                 + '&homeworkId=' + homeworkId
                 + '&answerJson=' + encodeURIComponent(JSON.stringify(answers));
        GM_xmlhttpRequest({
            method: 'POST', url: url,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Referer': LOCATION.href },
            data: body,
            onload: function(res) {
                try { callback({ success: true, data: JSON.parse(res.responseText) }); }
                catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function() { callback({ success: false }); }
        });
    },
    
    // 提交考试单题
    submitExamAnswer: function(examId, questionId, answer, callback) {
        var url = 'https://studyh5.zhihuishu.com/exam/saveExamAnswer';
        var body = 'examId=' + examId + '&questionId=' + questionId + '&answer=' + encodeURIComponent(answer);
        GM_xmlhttpRequest({
            method: 'POST', url: url,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Referer': LOCATION.href },
            data: body,
            onload: function(res) {
                try { callback({ success: true, data: JSON.parse(res.responseText) }); }
                catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function() { callback({ success: false }); }
        });
    },
    
    // 交卷
    submitExam: function(examId, recruitAndCourseId, callback) {
        var url = 'https://studyh5.zhihuishu.com/exam/submitExam';
        var body = 'examId=' + examId + '&recruitAndCourseId=' + recruitAndCourseId;
        GM_xmlhttpRequest({
            method: 'POST', url: url,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Referer': LOCATION.href },
            data: body,
            onload: function(res) {
                try { callback({ success: true, data: JSON.parse(res.responseText) }); }
                catch(e) { callback({ success: false, error: e.message }); }
            },
            onerror: function() { callback({ success: false }); }
        });
    }
};

// 智慧树题型映射到通用题型编号
function mapZhsQuestionType(type) {
    var map = { 1: 0, 2: 1, 3: 3, 4: 2, 5: 4 };
    return map[type] !== undefined ? map[type] : 0;
}

// ========== 进度条 ==========
var currentProgressBar = null;
var currentVideoTaskId = null;
var videoTaskCounter = 0;
function removeProgressBar() {
    if (currentProgressBar) { try { $(currentProgressBar).remove(); currentProgressBar = null; } catch(e) {} }
    try {
        var targetDoc = top.document;
        var existingBar = targetDoc.querySelector('#zhs-progress-bar');
        if (existingBar) $(existingBar).remove();
    } catch(e) {}
}
function createProgressBar(videoName, duration) {
    removeProgressBar();
    var taskId = ++videoTaskCounter;
    currentVideoTaskId = taskId;
    var targetDoc = top.document;
    var actualInterval = getActualReportInterval();
    var barHtml = '<div id="zhs-progress-bar" data-task-id="' + taskId + '" style="position:fixed;bottom:80px;right:20px;width:300px;background:rgba(0,0,0,0.85);border-radius:12px;padding:12px 15px;z-index:100000;font-family:system-ui,sans-serif;box-shadow:0 4px 15px rgba(0,0,0,0.3);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.2);">'
        + '<div style="display:flex;justify-content:space-between;margin-bottom:8px;">'
        + '<span style="color:#fff;font-size:13px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;" title="' + videoName + '">🎬 ' + videoName + '</span>'
        + '<span id="zhs-progress-percent" style="color:#4CAF50;font-size:12px;">0%</span></div>'
        + '<div style="width:100%;height:8px;background:rgba(255,255,255,0.2);border-radius:4px;overflow:hidden;">'
        + '<div id="zhs-progress-fill" style="width:0%;height:100%;background:linear-gradient(90deg,#4CAF50,#8BC34A);border-radius:4px;transition:width 0.3s;"></div></div>'
        + '<div style="display:flex;justify-content:space-between;margin-top:8px;">'
        + '<span id="zhs-progress-current" style="color:#ccc;font-size:11px;">00:00</span>'
        + '<span id="zhs-progress-remaining" style="color:#ccc;font-size:11px;">剩余: --:--</span>'
        + '<span style="color:#ccc;font-size:11px;">' + formatDuration(duration) + '</span></div>'
        + '<div style="margin-top:8px;text-align:center;">'
        + '<span style="color:#4CAF50;font-size:10px;">● 智慧树上报中</span>'
        + '<span style="color:#888;font-size:10px;margin-left:8px;">⚡ ' + CONFIG.videoRate.toFixed(2) + 'x (间隔:' + actualInterval + 's)</span>'
        + '</div></div>';
    try {
        $(targetDoc.body).append(barHtml);
        currentProgressBar = targetDoc.querySelector('#zhs-progress-bar');
    } catch(e) {
        $(document.body).append(barHtml);
        currentProgressBar = document.querySelector('#zhs-progress-bar');
    }
}
function updateProgressBar(playTime, duration) {
    if (!currentProgressBar) return;
    var taskId = currentProgressBar.getAttribute('data-task-id');
    if (taskId && currentVideoTaskId && parseInt(taskId) !== currentVideoTaskId) return;
    var percent = Math.min(100, Math.round((playTime / duration) * 100));
    var remaining = Math.max(0, duration - playTime);
    var fillBar = currentProgressBar.querySelector('#zhs-progress-fill');
    var percentSpan = currentProgressBar.querySelector('#zhs-progress-percent');
    var currentSpan = currentProgressBar.querySelector('#zhs-progress-current');
    var remainingSpan = currentProgressBar.querySelector('#zhs-progress-remaining');
    if (fillBar) fillBar.style.width = percent + '%';
    if (percentSpan) percentSpan.textContent = percent + '%';
    if (currentSpan) currentSpan.textContent = formatDuration(playTime);
    if (remainingSpan) remainingSpan.textContent = '剩余: ' + formatDuration(remaining);
}
function getActualReportInterval() {
    var baseInterval = CONFIG.reportBaseInterval || 58;
    var safeRate = Math.min(CONFIG.videoRate, 1.1);
    return Math.max(10, Math.floor(baseInterval / safeRate));
}

// ========== 后台保活 ==========
(function keepVisible() {
    try {
        Object.defineProperty(document, 'visibilityState', { get: function() { return 'visible'; }, configurable: true });
        Object.defineProperty(document, 'hidden', { get: function() { return false; }, configurable: true });
        document.addEventListener('visibilitychange', function(e) { e.stopImmediatePropagation(); }, true);
    } catch(e) {}
})();

// ========== 智慧树视频处理 ==========
var zhsVideoTimer = null;

function processZhsVideo(recruitAndCourseId, lessonId, videoId) {
    if (!CONFIG.handleVideo) { log('ℹ️ 视频处理已关闭', 'orange'); return; }
    
    log('🎬 获取视频信息: lessonId=' + lessonId + ', videoId=' + videoId, 'purple');
    
    ZhsAdapter.getVideoInfo(recruitAndCourseId, lessonId, videoId, function(result) {
        if (!result.success) {
            log('❌ 获取视频信息失败: ' + result.error, 'red');
            return;
        }
        
        var info = result.data;
        var duration = info.duration || 0;
        var studyTotalTime = info.studyTotalTime || 0;
        var watchState = info.watchState || 0;
        
        if (duration <= 0) { log('⚠️ 视频时长为0，跳过', 'orange'); return; }
        
        if (watchState === 2 && !CONFIG.reviewMode) {
            log('✅ 视频已完成: ' + videoId, 'green');
            return;
        }
        
        log('🎬 开始智慧树视频: 总时长 ' + formatDuration(duration) + '，已学 ' + formatDuration(studyTotalTime), 'purple');
        
        var safeRate = Math.min(CONFIG.videoRate, 1.1);
        var reportInterval = getActualReportInterval();
        var currentTime = studyTotalTime;
        var lastReportTime = studyTotalTime;
        
        if (CONFIG.showProgressBar) {
            createProgressBar('智慧树视频 ' + videoId, duration);
            updateProgressBar(currentTime, duration);
        }
        
        if (zhsVideoTimer) clearInterval(zhsVideoTimer);
        
        zhsVideoTimer = setInterval(function() {
            // 按安全倍速推进
            var delta = Math.ceil(reportInterval * safeRate);
            currentTime = Math.min(currentTime + delta, duration);
            
            var params = {
                recruitAndCourseId: recruitAndCourseId,
                lessonId: lessonId,
                videoId: videoId,
                smallLessonId: info.smallLessonId || '',
                studyTotalTime: currentTime,
                watchState: currentTime >= duration ? 2 : 1
            };
            
            ZhsAdapter.reportVideoTime(params, function(res) {
                if (res.success) {
                    log('📡 智慧树上报: ' + formatDuration(currentTime) + '/' + formatDuration(duration), 'blue');
                    updateProgressBar(currentTime, duration);
                    lastReportTime = currentTime;
                    
                    if (currentTime >= duration) {
                        clearInterval(zhsVideoTimer);
                        zhsVideoTimer = null;
                        log('✅ 智慧树视频完成: ' + videoId, 'green');
                        setTimeout(removeProgressBar, 3000);
                    }
                } else {
                    log('⚠️ 上报失败，回退进度重试', 'orange');
                    currentTime = lastReportTime;
                }
            });
            
            // 弹题检测
            ZhsAdapter.queryPopupQuestion(recruitAndCourseId, lessonId, videoId, function(popupRes) {
                if (popupRes.success && popupRes.data && popupRes.data.data && popupRes.data.data.length > 0) {
                    popupRes.data.data.forEach(function(q) {
                        solveZhsPopupQuestion(recruitAndCourseId, q);
                    });
                }
            });
        }, reportInterval * 1000);
    });
}

// ========== 智慧树弹题处理 ==========
function solveZhsPopupQuestion(recruitAndCourseId, question) {
    if (!CONFIG.handleQuiz) return;
    
    var questionText = tidyQuestion(question.questionContent || question.title || question.questionName || '');
    var questionType = mapZhsQuestionType(question.questionType);
    var options = (question.optionList || question.options || []).map(function(o) {
        return tidyString(o.content || o.optionContent || o.text || '');
    });
    
    log('📝 智慧树弹题: ' + questionText.substring(0, 40), 'purple');
    
    getAnswer(questionType, questionText, options).then(function(answer) {
        if (!answer || answer === '暂无答案') {
            log('⚠️ 弹题无答案，用第一项兜底', 'orange');
            answer = options[0] || 'A';
        }
        
        // 多选题答案拆分
        var submitAnswer = answer;
        if (questionType === 1) {
            submitAnswer = splitAnswer(answer).join(',');
        }
        
        ZhsAdapter.submitPopupAnswer(recruitAndCourseId, question.questionId, submitAnswer, function(res) {
            if (res.success) log('✅ 弹题提交成功: ' + submitAnswer, 'green');
            else log('❌ 弹题提交失败', 'red');
        });
    }).catch(function() {
        var fallback = options[0] || 'A';
        ZhsAdapter.submitPopupAnswer(recruitAndCourseId, question.questionId, fallback, function(res) {
            log('⚠️ 弹题兜底提交: ' + fallback, 'orange');
        });
    });
}

// ========== 智慧树作业处理 ==========
function processZhsHomework(recruitAndCourseId) {
    if (!checkApiKeyBeforeAction('智慧树作业')) return;
    
    var url = 'https://studyh5.zhihuishu.com/homework/queryHomeworkList?recruitAndCourseId=' + recruitAndCourseId + '&_t=' + Date.now();
    GM_xmlhttpRequest({
        method: 'GET', url: url,
        headers: { 'Referer': LOCATION.href },
        onload: function(res) {
            try {
                var data = JSON.parse(res.responseText);
                if (data.code !== 0 || !data.data) { log('❌ 获取作业列表失败', 'red'); return; }
                
                var list = (data.data.homeworkList || data.data || []).filter(function(hw) {
                    return !hw.submitted && hw.status !== 2;
                });
                
                if (list.length === 0) { log('✅ 所有作业已完成', 'green'); return; }
                log('📋 发现 ' + list.length + ' 个待做作业', 'green');
                doZhsHomeworkList(0, list, recruitAndCourseId);
            } catch(e) { log('❌ 解析作业列表失败: ' + e.message, 'red'); }
        },
        onerror: function() { log('❌ 作业列表请求失败', 'red'); }
    });
}

function doZhsHomeworkList(index, list, recruitAndCourseId) {
    if (index >= list.length) { log('✅ 所有作业处理完毕', 'green'); return; }
    var hw = list[index];
    log('📝 处理作业 ' + (index + 1) + '/' + list.length + ': ' + (hw.homeworkName || hw.title || hw.name), 'purple');
    
    var url = 'https://studyh5.zhihuishu.com/homework/queryHomeworkDetail'
            + '?homeworkId=' + hw.homeworkId
            + '&recruitAndCourseId=' + recruitAndCourseId
            + '&_t=' + Date.now();
    GM_xmlhttpRequest({
        method: 'GET', url: url,
        headers: { 'Referer': LOCATION.href },
        onload: function(res) {
            try {
                var data = JSON.parse(res.responseText);
                if (data.code !== 0 || !data.data) {
                    log('❌ 获取作业详情失败，跳过', 'red');
                    setTimeout(function() { doZhsHomeworkList(index + 1, list, recruitAndCourseId); }, 2000);
                    return;
                }
                var questions = data.data.questionList || data.data.questions || [];
                if (questions.length === 0) {
                    log('⚠️ 作业无题目，跳过', 'orange');
                    setTimeout(function() { doZhsHomeworkList(index + 1, list, recruitAndCourseId); }, 2000);
                    return;
                }
                doZhsHomeworkQuestions(0, questions, [], function(answers) {
                    ZhsAdapter.submitHomework(recruitAndCourseId, hw.homeworkId, answers, function(submitRes) {
                        if (submitRes.success) log('✅ 作业提交成功: ' + (hw.homeworkName || hw.title), 'green');
                        else log('❌ 作业提交失败', 'red');
                        setTimeout(function() { doZhsHomeworkList(index + 1, list, recruitAndCourseId); }, 3000);
                    });
                });
            } catch(e) {
                log('❌ 解析作业详情失败: ' + e.message, 'red');
                setTimeout(function() { doZhsHomeworkList(index + 1, list, recruitAndCourseId); }, 2000);
            }
        },
        onerror: function() {
            log('❌ 作业详情请求失败，跳过', 'red');
            setTimeout(function() { doZhsHomeworkList(index + 1, list, recruitAndCourseId); }, 2000);
        }
    });
}

function doZhsHomeworkQuestions(index, questions, answers, callback) {
    if (index >= questions.length) { callback(answers); return; }
    var q = questions[index];
    var questionText = tidyQuestion(q.questionContent || q.title || q.questionName || '');
    var questionType = mapZhsQuestionType(q.questionType);
    var options = (q.optionList || q.options || []).map(function(o) {
        return tidyString(o.content || o.optionContent || o.text || '');
    });
    
    log('✍️ 作业第' + (index + 1) + '/' + questions.length + '题: ' + questionText.substring(0, 40), 'blue');
    
    getAnswer(questionType, questionText, options).then(function(answer) {
        var finalAnswer = answer;
        if (!finalAnswer || finalAnswer === '暂无答案') finalAnswer = options[0] || 'A';
        if (questionType === 1) finalAnswer = splitAnswer(finalAnswer).join(',');
        answers.push({ questionId: q.questionId, answer: finalAnswer });
        log('✅ 第' + (index + 1) + '题答案: ' + finalAnswer, 'green');
        setTimeout(function() { doZhsHomeworkQuestions(index + 1, questions, answers, callback); }, CONFIG.answerInterval);
    }).catch(function() {
        var fallback = options[0] || 'A';
        answers.push({ questionId: q.questionId, answer: fallback });
        log('⚠️ 第' + (index + 1) + '题兜底: ' + fallback, 'orange');
        setTimeout(function() { doZhsHomeworkQuestions(index + 1, questions, answers, callback); }, CONFIG.answerInterval);
    });
}

// ========== 智慧树考试处理 ==========
function processZhsExam(recruitAndCourseId) {
    if (!checkApiKeyBeforeAction('智慧树考试')) return;
    
    var url = 'https://studyh5.zhihuishu.com/exam/queryExamList?recruitAndCourseId=' + recruitAndCourseId + '&_t=' + Date.now();
    GM_xmlhttpRequest({
        method: 'GET', url: url,
        headers: { 'Referer': LOCATION.href },
        onload: function(res) {
            try {
                var data = JSON.parse(res.responseText);
                if (data.code !== 0 || !data.data) { log('❌ 获取考试列表失败', 'red'); return; }
                var list = (data.data.examList || data.data || []).filter(function(ex) { return !ex.submitted && ex.status !== 2; });
                if (list.length === 0) { log('✅ 所有考试已完成', 'green'); return; }
                log('📋 发现 ' + list.length + ' 场考试', 'green');
                doZhsExamList(0, list, recruitAndCourseId);
            } catch(e) { log('❌ 解析考试列表失败: ' + e.message, 'red'); }
        },
        onerror: function() { log('❌ 考试列表请求失败', 'red'); }
    });
}

function doZhsExamList(index, list, recruitAndCourseId) {
    if (index >= list.length) { log('✅ 所有考试处理完毕', 'green'); return; }
    var exam = list[index];
    log('📝 处理考试 ' + (index + 1) + '/' + list.length + ': ' + exam.examName, 'purple');
    
    var url = 'https://studyh5.zhihuishu.com/exam/startExam'
            + '?examId=' + exam.examId
            + '&recruitAndCourseId=' + recruitAndCourseId
            + '&_t=' + Date.now();
    GM_xmlhttpRequest({
        method: 'GET', url: url,
        headers: { 'Referer': LOCATION.href },
        onload: function(res) {
            try {
                var data = JSON.parse(res.responseText);
                if (data.code !== 0 || !data.data) {
                    log('❌ 开始考试失败，跳过', 'red');
                    setTimeout(function() { doZhsExamList(index + 1, list, recruitAndCourseId); }, 2000);
                    return;
                }
                var questions = data.data.questionList || data.data.questions || [];
                if (questions.length === 0) {
                    log('⚠️ 考试无题目，跳过', 'orange');
                    setTimeout(function() { doZhsExamList(index + 1, list, recruitAndCourseId); }, 2000);
                    return;
                }
                doZhsExamQuestions(0, questions, exam.examId, recruitAndCourseId, function() {
                    ZhsAdapter.submitExam(exam.examId, recruitAndCourseId, function(submitRes) {
                        if (submitRes.success) log('✅ 考试交卷成功: ' + exam.examName, 'green');
                        else log('❌ 交卷失败', 'red');
                        setTimeout(function() { doZhsExamList(index + 1, list, recruitAndCourseId); }, 3000);
                    });
                });
            } catch(e) {
                log('❌ 解析考试数据失败: ' + e.message, 'red');
                setTimeout(function() { doZhsExamList(index + 1, list, recruitAndCourseId); }, 2000);
            }
        },
        onerror: function() {
            log('❌ 开始考试请求失败，跳过', 'red');
            setTimeout(function() { doZhsExamList(index + 1, list, recruitAndCourseId); }, 2000);
        }
    });
}

function doZhsExamQuestions(index, questions, examId, recruitAndCourseId, doneCallback) {
    if (index >= questions.length) { doneCallback(); return; }
    var q = questions[index];
    var questionText = tidyQuestion(q.questionContent || q.title || q.questionName || '');
    var questionType = mapZhsQuestionType(q.questionType);
    var options = (q.optionList || q.options || []).map(function(o) {
        return tidyString(o.content || o.optionContent || o.text || '');
    });
    
    log('✍️ 考试第' + (index + 1) + '/' + questions.length + '题', 'blue');
    
    getAnswer(questionType, questionText, options).then(function(answer) {
        var finalAnswer = answer;
        if (!finalAnswer || finalAnswer === '暂无答案') finalAnswer = options[0] || 'A';
        if (questionType === 1) finalAnswer = splitAnswer(finalAnswer).join(',');
        
        ZhsAdapter.submitExamAnswer(examId, q.questionId, finalAnswer, function(res) {
            if (res.success) log('✅ 第' + (index + 1) + '题提交: ' + finalAnswer, 'green');
            else log('⚠️ 第' + (index + 1) + '题提交失败', 'orange');
            setTimeout(function() {
                doZhsExamQuestions(index + 1, questions, examId, recruitAndCourseId, doneCallback);
            }, Math.max(CONFIG.answerInterval, 3000));
        });
    }).catch(function() {
        var fallback = options[0] || 'A';
        ZhsAdapter.submitExamAnswer(examId, q.questionId, fallback, function() {
            setTimeout(function() {
                doZhsExamQuestions(index + 1, questions, examId, recruitAndCourseId, doneCallback);
            }, Math.max(CONFIG.answerInterval, 3000));
        });
    });
}

// ========== UI ==========
function getSettingsPanelHTML() {
    var actualInterval = getActualReportInterval();
    return '<div id="zhs-box" style="position:fixed;top:10%;right:5%;z-index:99999;width:460px;background:#fff;border-radius:16px;box-shadow:0 8px 28px rgba(0,0,0,0.12);font-family:-apple-system,sans-serif;font-size:14px;overflow:hidden;">'
        + '<div style="display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#fafbfc;border-bottom:1px solid #eef2f6;">'
        + '<h3 style="margin:0;font-size:18px;font-weight:500;color:#1e2a3a;">🎓 智慧树网课助手</h3>'
        + '<span id="zhs-close" style="cursor:pointer;color:#8b9eb0;font-size:20px;line-height:1;">✕</span></div>'
        + '<div id="zhs-notice" style="padding:12px 20px;background:#f8f9fc;border-bottom:1px solid #eef2f6;font-size:13px;color:#4a627a;"></div>'
        + '<div style="padding:20px;">'
        + '<div style="margin-bottom:20px;">'
        + '<div style="display:flex;align-items:center;gap:8px;margin-bottom:10px;">'
        + '<input type="password" id="apiKeyInput" placeholder="API密钥" style="flex:1;padding:8px 12px;border:1px solid #dce5ec;border-radius:10px;font-size:13px;">'
        + '<button id="saveApiKeyBtn" style="padding:6px 14px;background:#2c7da0;color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:13px;">保存</button>'
        + '<button id="goToTkBtn" style="padding:6px 14px;background:#61a5c2;color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:13px;">获取密钥</button>'
        + '</div>'
        + '<div id="quotaInfo" style="font-size:12px;color:#5f7f9e;margin-bottom:5px;">📊 剩余次数: 加载中...</div>'
        + '<div id="testResult" style="font-size:12px;color:#8b9eb0;"></div></div>'
        + '<div style="margin-bottom:20px;background:#f8fafd;padding:12px 16px;border-radius:14px;">'
        + '<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;">'
        + '<span style="font-weight:500;">🎬 视频倍速</span>'
        + '<span id="rateValue" style="background:#eef2f6;padding:2px 8px;border-radius:20px;font-size:13px;">' + CONFIG.videoRate.toFixed(2) + 'x</span></div>'
        + '<input type="range" id="videoRateSlider" min="1" max="8" step="0.25" value="' + CONFIG.videoRate + '" style="width:100%;margin:8px 0;">'
        + '<div style="display:flex;justify-content:space-between;margin-top:8px;">'
        + '<label style="display:flex;align-items:center;gap:6px;"><input type="checkbox" id="showProgressBarCheck" ' + (CONFIG.showProgressBar ? 'checked' : '') + '> <span style="font-size:13px;">显示进度条</span></label>'
        + '<span style="font-size:12px;color:#7d9bb5;">⚡ 上报间隔 ' + actualInterval + 's</span></div></div>'
        + '<button id="moreSettingsBtn" style="width:100%;padding:8px 0;background:#f0f4f9;border:none;border-radius:40px;color:#2c7da0;font-weight:500;cursor:pointer;margin-bottom:12px;">⚙️ 更多设置</button>'
        + '<div id="moreSettings" style="display:none;margin-top:4px;background:#fff;border-radius:16px;border:1px solid #eef2f6;padding:16px;">'
        + '<div style="margin-bottom:16px;"><div style="font-weight:500;margin-bottom:8px;">处理开关</div>'
        + '<div style="display:flex;flex-wrap:wrap;gap:12px;">'
        + '<label><input type="checkbox" id="setting_handleVideo" ' + (CONFIG.handleVideo ? 'checked' : '') + '> 处理视频</label>'
        + '<label><input type="checkbox" id="setting_handleQuiz" ' + (CONFIG.handleQuiz ? 'checked' : '') + '> 处理测验/弹题</label>'
        + '<label><input type="checkbox" id="setting_reviewMode" ' + (CONFIG.reviewMode ? 'checked' : '') + '> 复习模式</label>'
        + '<label><input type="checkbox" id="setting_autoSubmit" ' + (CONFIG.autoSubmit ? 'checked' : '') + '> 自动提交</label>'
        + '</div></div>'
        + '<div style="display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;">'
        + '<div><span style="color:#4a627a;">答题间隔(ms)</span><br><input type="number" id="answerInterval" value="' + CONFIG.answerInterval + '" style="width:90px;padding:6px;border:1px solid #dce5ec;border-radius:8px;"></div>'
        + '</div></div>'
        + '<div id="zhs-log" style="margin-top:16px;max-height:240px;overflow-y:auto;font-size:12px;background:#fafbfc;border-radius:12px;padding:10px;border:1px solid #eef2f6;"></div>'
        + '</div></div>';
}

function bindSettingUI(targetDoc) {
    $('#zhs-close', targetDoc).off('click').on('click', function() { $('#zhs-box', targetDoc).hide(); });
    var $moreBtn = $('#moreSettingsBtn', targetDoc);
    var $moreSet = $('#moreSettings', targetDoc);
    var visible = false;
    $moreBtn.off('click').on('click', function() {
        visible = !visible;
        $moreSet.css('display', visible ? 'block' : 'none');
        $moreBtn.text(visible ? '✖️ 收起设置' : '⚙️ 更多设置');
    });
    $('#videoRateSlider', targetDoc).off('input change').on('input', function() {
        $('#rateValue', targetDoc).text(parseFloat(this.value).toFixed(2));
    }).on('change', function() {
        var r = parseFloat(this.value);
        if (r > 8) r = 8;
        updateConfig('videoRate', r);
    });
    $('#showProgressBarCheck', targetDoc).off('change').on('change', function() {
        updateConfig('showProgressBar', this.checked ? 1 : 0);
    });
    $('#answerInterval', targetDoc).off('change').on('change', function(e) {
        var v = parseInt(e.target.value);
        if (v >= 1000 && v <= 30000) updateConfig('answerInterval', v);
        else e.target.value = CONFIG.answerInterval;
    });
    ['handleVideo', 'handleQuiz', 'reviewMode', 'autoSubmit'].forEach(function(id) {
        var $cb = $('#setting_' + id, targetDoc);
        if ($cb.length) $cb.off('change').on('change', function() { updateConfig(id, this.checked); });
    });
    $('#goToTkBtn', targetDoc).off('click').on('click', function() { GM_openInTab('https://tk.n1t.cn', { active: true }); });
    $('#saveApiKeyBtn', targetDoc).off('click').on('click', function() {
        var key = $('#apiKeyInput', targetDoc).val();
        var $tr = $('#testResult', targetDoc);
        if (key && key.trim()) {
            $tr.html('⏳ 测试中...').css('color', '#7d9bb5');
            testApi(key.trim(), 0).then(function(res) {
                GM_setValue('api_key', key.trim());
                if (res.quota_info) updateQuotaInfo(res.quota_info);
                $tr.html('✅ 密钥有效').css('color', '#2c7da0');
                $('#apiKeyInput', targetDoc).val('').attr('placeholder', '已设置');
                updateQuotaDisplay();
                log('✅ API密钥已保存', 'green');
                setTimeout(function() { $tr.html(''); }, 5000);
            }).catch(function(err) {
                $tr.html('❌ 密钥无效: ' + err).css('color', '#e07c5c');
                setTimeout(function() { $tr.html(''); }, 5000);
            });
        } else {
            var existing = getApiKey();
            if (existing) {
                testApi(existing, 0).then(function(res) {
                    if (res.quota_info) updateQuotaInfo(res.quota_info);
                    $tr.html('✅ 密钥有效').css('color', '#2c7da0');
                    updateQuotaDisplay();
                    setTimeout(function() { $tr.html(''); }, 5000);
                }).catch(function() {
                    GM_setValue('api_key', '');
                    $tr.html('❌ 密钥失效').css('color', '#e07c5c');
                    updateQuotaDisplay();
                    setTimeout(function() { $tr.html(''); }, 5000);
                });
            } else {
                $tr.html('❌ 请输入密钥').css('color', '#e07c5c');
                setTimeout(function() { $tr.html(''); }, 3000);
            }
        }
    });
}

function showBox() {
    if (!CONFIG.showBox) return;
    try {
        var targetDoc = top.document;
        if (targetDoc.querySelector('#zhs-box')) { flushLogs(); updateQuotaDisplay(); return; }
    } catch(e) {}
    setTimeout(function() {
        try {
            var targetDoc = top.document;
            $(targetDoc.body).append(getSettingsPanelHTML());
            bindSettingUI(targetDoc);
            $('#zhs-notice', targetDoc).html('<div style="font-size:12px;">✅ 智慧树助手已加载 | 倍速: ' + CONFIG.videoRate.toFixed(2) + 'x | 上报间隔: ' + getActualReportInterval() + 's</div>');
            var savedKey = getApiKey();
            if (savedKey) {
                $('#apiKeyInput', targetDoc).attr('placeholder', '已设置');
                testApi(savedKey, 0).then(function(res) { if (res.quota_info) updateQuotaInfo(res.quota_info); log('✅ API密钥有效', 'green'); })
                .catch(function() { GM_setValue('api_key', ''); updateQuotaDisplay(); log('⚠️ API密钥失效', 'orange'); });
            } else updateQuotaDisplay();
            flushLogs();
        } catch(e) { console.error('显示悬浮窗失败:', e); }
    }, 100);
}

// ========== 页面类型判断与入口 ==========
function getVideoParamsFromUrl() {
    var params = new URLSearchParams(LOCATION.search);
    var lessonId = params.get('lessonId') || params.get('lessonid');
    var videoId = params.get('videoId') || params.get('videoid');
    if (!lessonId || !videoId) {
        // 从 DOM 提取
        var $el = $('[data-lesson-id][data-video-id]');
        if ($el.length) {
            lessonId = $el.attr('data-lesson-id');
            videoId = $el.attr('data-video-id');
        }
    }
    return { lessonId: lessonId, videoId: videoId };
}

function detectPageType() {
    var path = LOCATION.pathname.toLowerCase();
    if (path.indexOf('videostudy') !== -1 || path.indexOf('/video') !== -1 || LOCATION.search.indexOf('videoId=') !== -1) return 'video';
    if (path.indexOf('homework') !== -1) return 'homework';
    if (path.indexOf('exam') !== -1) return 'exam';
    return 'unknown';
}

$(function() {
    if (CONFIG.videoRate > 8) CONFIG.videoRate = 8;
    var savedServerIndex = GM_getValue('current_server_index', 0);
    if (savedServerIndex >= 0 && savedServerIndex < API_SERVERS.length) currentServerIndex = savedServerIndex;

    showBox();
    log('✅ 智慧树助手初始化', 'green');

    var recruitAndCourseId = ZhsAdapter.getRecruitAndCourseId();
    if (!recruitAndCourseId) {
        log('⚠️ 未获取到课程ID，请确认在课程页面内', 'orange');
        // 延迟重试一次
        setTimeout(function() {
            var retryId = ZhsAdapter.getRecruitAndCourseId();
            if (retryId) {
                log('✅ 重试获取到课程ID: ' + retryId, 'green');
                runZhsTask(retryId);
            }
        }, 3000);
        return;
    }

    log('🎓 课程ID: ' + recruitAndCourseId, 'green');
    runZhsTask(recruitAndCourseId);
});

function runZhsTask(recruitAndCourseId) {
    var pageType = detectPageType();
    log('📄 页面类型: ' + pageType, 'blue');

    if (pageType === 'video') {
        var vp = getVideoParamsFromUrl();
        if (vp.lessonId && vp.videoId) {
            processZhsVideo(recruitAndCourseId, vp.lessonId, vp.videoId);
        } else {
            log('⚠️ 视频参数缺失，3秒后重试', 'orange');
            setTimeout(function() {
                var retryVp = getVideoParamsFromUrl();
                if (retryVp.lessonId && retryVp.videoId) {
                    processZhsVideo(recruitAndCourseId, retryVp.lessonId, retryVp.videoId);
                }
            }, 3000);
        }
    } else if (pageType === 'homework') {
        processZhsHomework(recruitAndCourseId);
    } else if (pageType === 'exam') {
        processZhsExam(recruitAndCourseId);
    } else {
        log('ℹ️ 当前页面无自动化任务', 'blue');
    }
}

// URL 变化监听（智慧树是 SPA）
var lastUrl = LOCATION.href;
var lastPageType = detectPageType();
setInterval(function() {
    if (LOCATION.href !== lastUrl) {
        lastUrl = LOCATION.href;
        var newType = detectPageType();
        if (newType !== lastPageType) {
            lastPageType = newType;
            log('🔄 页面切换: ' + newType, 'blue');
            var cid = ZhsAdapter.getRecruitAndCourseId();
            if (cid) runZhsTask(cid);
        }
    }
}, 2000);

window.addEventListener('beforeunload', function() {
    if (zhsVideoTimer) { clearInterval(zhsVideoTimer); zhsVideoTimer = null; }
    removeProgressBar();
});