chenbl
/
jude-cehua


			
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							<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>聚德策划大师-大健康AI文案撰写</title>
    <meta name="description" content="聚德AI短视频脚本撰写器 - 专业高效的文案创作平台">
    <meta name="theme-color" content="#6366f1" media="(prefers-color-scheme: light)">
    <meta name="theme-color" content="#0f172a" media="(prefers-color-scheme: dark)">
    <meta name="color-scheme" content="light dark">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/modal.css') }}">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/components/copy-button.css') }}">
    <link rel="icon" href="{{ url_for('static', filename='logo.png') }}">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/github.min.css') }}">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/highlightjs.min.css') }}">
    <link rel="stylesheet" href="{{ url_for('static', filename='css/fonts.css') }}">

    <!-- 思考过程样式 -->
    <style>
        /* AI思考过程样式 */
        .thought-container {
            background-color: #f3f0fa;
            border-left: 3px solid #7952b3;
            padding: 10px 15px;
            margin: 10px 0 10px 0;
            border-radius: 0 4px 4px 0;
            font-style: italic;
            color: #7952b3;
            position: relative;
            font-size: 0.98em;
        }

        .thought-container::before {
            content: "思考过程";
            display: block;
            font-size: 0.75rem;
            color: #7952b3;
            font-weight: 600;
            margin-bottom: 4px;
            font-style: normal;
        }

        .thought-toggle-btn {
            position: absolute;
            top: 8px;
            right: 12px;
            background: none;
            border: none;
            color: #7952b3;
            font-size: 1.1em;
            cursor: pointer;
            z-index: 2;
            padding: 2px 6px;
            border-radius: 3px;
            transition: background 0.2s;
        }

        .thought-toggle-btn:hover {
            background: #e5e1f6;
        }

        /* 思考过程内容区域样式 - 连续文本块 */
        .thought-content {
            overflow-y: auto;
            max-height: 500px;
            transition: max-height 0.35s cubic-bezier(.4, 0, .2, 1), padding 0.3s;
            will-change: max-height;
            /* 自定义滚动条样式 */
            scrollbar-width: thin;
            scrollbar-color: #d1c4e9 #f3f0fa;
            white-space: normal;
            /* 正常换行处理 */
            word-wrap: break-word;
            /* 长单词换行 */
            line-height: 1.4;
            /* 适中的行高 */
            text-align: left;
            /* 左对齐 */
        }

        /* Webkit浏览器的滚动条样式 */
        .thought-content::-webkit-scrollbar {
            width: 8px;
        }

        .thought-content::-webkit-scrollbar-track {
            background: #f3f0fa;
            border-radius: 4px;
        }

        .thought-content::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, #d1c4e9, #b39ddb);
            border-radius: 4px;
            border: 1px solid #f3f0fa;
            transition: background 0.2s ease;
        }

        .thought-content::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, #b39ddb, #9575cd);
        }

        .thought-content::-webkit-scrollbar-thumb:active {
            background: linear-gradient(135deg, #9575cd, #7e57c2);
        }

        .thought-container.collapsed .thought-content {
            max-height: 0;
            padding: 0 !important;
        }

        .thought-container.collapsed::before {
            content: "思考过程（已收起）";
        }

        .thought-container p {
            margin: 0;
            font-style: italic;
            color: #7952b3;
            background: none;
            border-bottom: none;
            padding-bottom: 0;
            line-height: 1.6;
        }

        .thought-container p:last-child {
            border-bottom: none;
        }

        /* 对话项样式优化 */
        .conversation-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 4px;
            font-size: 0.75rem;
            color: #666;
            opacity: 0.8;
        }

        .message-count {
            font-size: 0.7rem;
        }

        .last-time {
            font-size: 0.7rem;
            color: #999;
        }

        .conversation-item.active .conversation-meta {
            color: rgba(99, 102, 241, 0.8);
        }

        .conversation-item.active .last-time {
            color: rgba(99, 102, 241, 0.6);
        }

        /* 对话状态指示器样式 */
        .conversation-item.streaming .conversation-title {
            color: #10b981;
            font-weight: 500;
        }

        .conversation-item.paused .conversation-title {
            color: #f59e0b;
            font-weight: 500;
        }

        .conversation-item.streaming .conversation-meta {
            color: #10b981;
        }

        .conversation-item.paused .conversation-meta {
            color: #f59e0b;
        }

        /* 当前活跃对话指示器 */
        .conversation-item.active {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
            border-left: 3px solid #6366f1;
            position: relative;
        }


        /* 对话切换动画 */
        .conversation-item {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
        }

        .conversation-item:hover {
            background: rgba(99, 102, 241, 0.05);
            transform: translateX(2px);
        }

        .conversation-item.active:hover {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.08));
        }

        /* 对话状态点指示器 */
        .conversation-status-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .conversation-item.streaming .conversation-status-dot {
            background: #10b981;
            opacity: 1;
            animation: pulse-dot 2s infinite;
        }

        .conversation-item.paused .conversation-status-dot {
            background: #f59e0b;
            opacity: 1;
            animation: pulse-dot 2s infinite;
        }

        .conversation-item.active .conversation-status-dot {
            background: #6366f1;
            opacity: 1;
        }

        @keyframes pulse-dot {
            0% {
                opacity: 1;
                transform: scale(1);
            }

            50% {
                opacity: 0.5;
                transform: scale(1.2);
            }

            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* 编辑按钮样式 - 与复制按钮保持一致 */
        .edit-button {
            position: absolute;
            width: 32px;
            height: 32px;
            background: var(--primary-indigo);
            color: white;
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1001;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
            transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            opacity: 0;
            bottom: 8px;
            right: 48px;
            /* 位于复制按钮左侧 */
        }

        /* 悬停时显示编辑按钮 */
        .message.user:hover .edit-button {
            opacity: 1;
        }

        .edit-button:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 10px rgba(0, 0, 0, 0.25);
        }

        .edit-button svg {
            width: 18px;
            height: 18px;
        }

        /* 内联编辑样式 */
        .message-editing {
            position: relative;
        }

        .edit-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 16px;
            background: #f8f9fa;
            border: 2px solid #6366f1;
            border-radius: 12px;
            margin: 8px 0;
            width: 600px;
        }

        .edit-textarea {
            width: 100%;
            min-height: 80px;
            padding: 12px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            line-height: 1.5;
            resize: vertical;
            font-family: inherit;
            background: white;
        }

        .edit-textarea:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
        }

        .edit-actions {
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }

        .edit-cancel-btn {
            padding: 4px 10px;
            background: white;
            border: 1px solid #ddd;
            border-radius: 6px;
            color: #666;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .edit-cancel-btn:hover {
            background: #f5f5f5;
            border-color: #ccc;
        }

        .edit-send-btn {
            padding: 4px 10px;
            background: #6366f1;
            border: none;
            border-radius: 6px;
            color: white;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .edit-send-btn:hover {
            background: #5b5cf6;
        }

        .edit-send-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
        }
    </style>

</head>

<body>
    <div class="glass-particles"></div>

    <!-- 移动端侧边栏切换按钮 -->
    <button class="sidebar-toggle" id="sidebar-toggle" style="display: none;">
        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path d="M3 12h18M3 6h18M3 18h18" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                stroke-linejoin="round" />
        </svg>
    </button>

    <!-- 移动端侧边栏遮罩层 -->
    <div class="sidebar-overlay" id="sidebar-overlay"></div>

    <div class="chat-container">
        <!-- 历史记录侧边栏 -->
        <div class="history-sidebar" id="history-sidebar">
            <div class="sidebar-header">
                <button class="new-chat-btn" id="new-chat-btn">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M12 5v14M5 12h14" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                            stroke-linejoin="round" />
                    </svg>
                    开启新对话
                </button>
            </div>

            <div class="history-content">
                <!-- 历史记录将通过JavaScript动态加载 -->
                <div class="history-loading" id="history-loading"
                    style="display: flex; align-items: center; justify-content: center; padding: 20px; color: #666;">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"
                        style="margin-right: 8px; animation: spin 1s linear infinite;">
                        <path d="M21 12a9 9 0 11-6.219-8.56" stroke="currentColor" stroke-width="2"
                            stroke-linecap="round" stroke-linejoin="round" />
                    </svg>
                    正在加载历史记录...
                </div>
                <div class="history-empty" id="history-empty"
                    style="display: none; text-align: center; padding: 40px 20px; color: #999;">
                    <svg width="48" height="48" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"
                        style="margin-bottom: 16px; opacity: 0.5;">
                        <path d="M8 2v4M16 2v4M3 10h18M5 4h14a2 2 0 012 2v14a2 2 0 01-2 2H5a2 2 0 01-2-2V6a2 2 0 012-2z"
                            stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                    </svg>
                    <div style="font-size: 16px; margin-bottom: 8px;">暂无历史记录</div>
                    <div style="font-size: 14px; opacity: 0.7;">开始新的对话吧！</div>
                </div>
            </div>
        </div>

        <!-- 主聊天区域 -->
        <div class="main-chat-area">
            <header class="glass-header">
                <div class="logo-title-container">
                    <img src="{{ url_for('static', filename='logo.png') }}" alt="聚德AI短视频脚本撰写" class="header-logo">
                    <h1>聚德策划大师-大健康AI文案撰写<span class="version-tag">v 1.6.3</span></h1>
                    <a class="logo-title-link" href="https://wj.qq.com/s2/23610733/1a16/" target="_blank"
                        class="jude-link">问题反馈</a>
                </div>
                <div class="buttons-container">
                    <!-- 智能体选择（仅智能策划大师） -->
                    <div id="agent-dropdown" class="glass-btn" style="position: relative;">
                        <img id="agent-trigger-icon" src="{{ url_for('static', filename='img/planning.png') }}"
                            alt="平台图标" width="16" height="16" onerror="this.style.display='none'">
                        <span id="agent-trigger-text">智能策划大师</span>
                        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                                stroke-linejoin="round" />
                        </svg>
                        <div id="agent-menu" class="glass-panel"
                            style="display:none; position: absolute; top: calc(100% + 6px); left: 0; z-index: 1001; min-width: 220px;">
                            <ul style="list-style: none; margin: 0; padding: 6px;">
                                <li class="agent-option" data-agent="planning"
                                    style="display:flex; align-items:center; gap:8px; padding:12px; border-radius:8px; cursor:pointer; transition: all 0.2s ease; user-select: none;"
                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.1)'"
                                    onmouseout="this.style.background=''">
                                    <img src="{{ url_for('static', filename='img/planning.png') }}" alt="智能策划大师"
                                        width="16" height="16" onerror="this.style.display='none'">
                                    <div style="display:flex; flex-direction:column;">
                                        <span style="font-weight: 500;">智能策划大师</span>
                                    </div>
                                </li>
                                <li class="agent-option" data-agent="videoaccount"
                                    style="display:flex; align-items:center; gap:8px; padding:12px; border-radius:8px; cursor:pointer; transition: all 0.2s ease; user-select: none;"
                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.1)'"
                                    onmouseout="this.style.background=''">
                                    <img src="{{ url_for('static', filename='img/videoaccount.svg') }}" alt="病理分析"
                                        width="16" height="16" onerror="this.style.display='none'">
                                    <div style="display:flex; flex-direction:column;">
                                        <span style="font-weight: 500;">病理分析</span>
                                    </div>
                                </li>

                                <!-- 投放诊断 -->
                                <li class="agent-option" data-agent="diagnosis"
                                    style="display:flex; align-items:center; gap:8px; padding:12px; border-radius:8px; cursor:pointer; transition: all 0.2s ease; user-select: none;"
                                    onmouseover="this.style.background='rgba(99, 102, 241, 0.1)'"
                                    onmouseout="this.style.background=''">
                                    <img src="{{ url_for('static', filename='img/diagnosis.svg') }}" alt="投放诊断"
                                        width="16" height="16" onerror="this.style.display='none'">
                                    <div style="display:flex; flex-direction:column;">
                                        <span style="font-weight: 500;">投放诊断</span>
                                    </div>
                                </li>

                            </ul>
                        </div>
                    </div>
                    <button id="reset-btn" class="btn glass-btn">
                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path
                                d="M4 4V9H4.58152M19.9381 11C19.446 7.05369 16.0796 4 12 4C8.64262 4 5.76829 6.06817 4.58152 9M4.58152 9H9M20 20V15H19.4185M19.4185 15C18.2317 17.9318 15.3574 20 12 20C7.92038 20 4.55399 16.9463 4.06189 13M19.4185 15H15"
                                stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                        </svg>
                        重置对话
                    </button>
                    <!-- 用户信息 -->
                    <div class="user-info" id="user-info" style="display: none;">
                        <div class="user-details">
                            <div class="user-avatar" id="user-avatar">
                                <img id="avatar-img" src="" alt="用户头像" onerror="this.style.display='none'">
                                <div id="avatar-fallback" class="avatar-fallback"></div>
                            </div>
                            <div class="user-text">
                                <div class="user-info-row">
                                    <span class="user-name" id="user-name"></span>
                                    <span class="user-type" id="user-type"></span>
                                </div>
                                <div class="user-info-row">
                                    <span class="user-title" id="user-title" style="display: none;"></span>
                                </div>
                            </div>
                        </div>
                        <div class="user-dropdown" id="user-dropdown" style="display: none;">
                            <div class="user-dropdown-content">
                                <button id="logout-btn" class="btn glass-btn logout-btn">
                                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none"
                                        xmlns="http://www.w3.org/2000/svg">
                                        <path d="M9 21H5a2 2 0 01-2-2V5a2 2 0 012-2h4M16 3l4 4-4 4M21 7H9"
                                            stroke="currentColor" stroke-width="2" stroke-linecap="round"
                                            stroke-linejoin="round" />
                                    </svg>
                                    退出登录
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
            </header>


            <!-- 移动端菜单切换按钮 -->
            <div class="chat-main-content">
                <div id="chat-messages" class="chat-messages glass-panel">
                    <div class="message bot">
                        <div class="message-content">请发送你的投放数据。 如果是视频诊断，目前仅能诊断文案，请去聚德神转转为文案(最好是带时间戳的字幕-聚德智能视频处理工具可导出)。
                            <ul>
                                <!-- <li>请输入想要分析的疾病或者产品名称</li> -->
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="chat-input-container glass-panel">
                    <textarea id="user-input" placeholder="请输入需要撰写的品类名和要求..." rows="1"></textarea>
                    <button id="send-btn" class="glass-btn-primary" aria-label="发送消息">
                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path d="M22 2L11 13M22 2L15 22L11 13M11 13L2 9L22 2" stroke="currentColor" stroke-width="2"
                                stroke-linecap="round" stroke-linejoin="round" />
                        </svg>
                    </button>
                </div>
            </div>
        </div>
    </div>

    <!-- 核心JS库 -->
    <script src="{{ url_for('static', filename='js/highlight.min.js') }}"></script>
    <script src="{{ url_for('static', filename='js/marked.min.js') }}"></script>
    <script src="{{ url_for('static', filename='js/showdown.min.js') }}"></script>
    <script src="{{ url_for('static', filename='js/copy-buttons.js') }}"></script>
    <script src="{{ url_for('static', filename='js/chat.js') }}"></script>

    <!-- 认证和用户信息管理 -->
    <!-- 自定义弹框 -->
    <!-- 删除确认弹框 -->
    <div id="delete-modal" class="custom-modal">
        <div class="modal-overlay"></div>
        <div class="modal-content">
            <div class="modal-header">
                <h3 class="modal-title">删除对话</h3>
                <button class="modal-close" onclick="closeModal('delete-modal')">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M18 6L6 18M6 6l12 12" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                            stroke-linejoin="round" />
                    </svg>
                </button>
            </div>
            <div class="modal-body">
                <div class="modal-icon delete-icon">
                    <svg width="48" height="48" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M3 6h18M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6"
                            stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                        <path d="M10 11v6M14 11v6" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                            stroke-linejoin="round" />
                    </svg>
                </div>
                <p class="modal-message">确定要删除这个对话吗？删除后将无法恢复。</p>
            </div>
            <div class="modal-footer">
                <button class="btn btn-secondary" onclick="closeModal('delete-modal')">取消</button>
                <button class="btn btn-danger" id="confirm-delete-btn">删除</button>
            </div>
        </div>
    </div>

    <!-- 重命名弹框 -->
    <div id="rename-modal" class="custom-modal">
        <div class="modal-overlay"></div>
        <div class="modal-content">
            <div class="modal-header">
                <h3 class="modal-title">重命名对话</h3>
                <button class="modal-close" onclick="closeModal('rename-modal')">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M18 6L6 18M6 6l12 12" stroke="currentColor" stroke-width="2" stroke-linecap="round"
                            stroke-linejoin="round" />
                    </svg>
                </button>
            </div>
            <div class="modal-body">
                <div class="form-group">
                    <input type="text" id="rename-input" class="form-input" placeholder="请输入新的对话标题" maxlength="50">
                    <div class="form-hint">最多50个字符</div>
                </div>
            </div>
            <div class="modal-footer">
                <button class="btn btn-secondary" onclick="closeModal('rename-modal')">取消</button>
                <button class="btn btn-primary" id="confirm-rename-btn">保存</button>
            </div>
        </div>
    </div>

    <!-- 消息提示弹框 -->
    <div id="message-modal" class="custom-modal">
        <div class="modal-overlay"></div>
        <div class="modal-content message-modal-content">
            <div class="modal-body">
                <div class="modal-icon message-icon">
                    <svg width="48" height="48" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M9 12l2 2 4-4M21 12a9 9 0 11-18 0 9 9 0 0118 0z" stroke="currentColor" stroke-width="2"
                            stroke-linecap="round" stroke-linejoin="round" />
                    </svg>
                </div>
                <p class="modal-message" id="message-text">操作成功</p>
            </div>
            <div class="modal-footer">
                <button class="btn btn-primary" onclick="closeModal('message-modal')">确定</button>
            </div>
        </div>
    </div>


    <script>
        // 弹框控制函数
        function showModal(modalId) {
            const modal = document.getElementById(modalId);
            if (modal) {
                modal.classList.add('show');
                document.body.style.overflow = 'hidden'; // 防止背景滚动
            }
        }

        function closeModal(modalId) {
            const modal = document.getElementById(modalId);
            if (modal) {
                modal.classList.remove('show');
                document.body.style.overflow = ''; // 恢复滚动
            }
        }

        function showMessage(message, type = 'success') {
            const messageText = document.getElementById('message-text');
            const messageIcon = document.querySelector('#message-modal .modal-icon');

            if (messageText) {
                messageText.textContent = message;
            }

            if (messageIcon) {
                // 根据类型设置图标颜色
                messageIcon.className = 'modal-icon message-icon';
                if (type === 'error') {
                    messageIcon.style.color = '#ef4444';
                } else if (type === 'warning') {
                    messageIcon.style.color = '#f59e0b';
                } else {
                    messageIcon.style.color = '#10b981';
                }
            }

            showModal('message-modal');
        }

        // 点击遮罩层关闭弹框
        document.addEventListener('click', function (e) {
            if (e.target.classList.contains('modal-overlay')) {
                const modal = e.target.closest('.custom-modal');
                if (modal) {
                    closeModal(modal.id);
                }
            }
        });

        // ESC键关闭弹框
        document.addEventListener('keydown', function (e) {
            if (e.key === 'Escape') {
                const openModal = document.querySelector('.custom-modal.show');
                if (openModal) {
                    closeModal(openModal.id);
                }
            }
        });

        // 防重复重定向标志
        let isRedirecting = false;

        // 页面加载时检查认证状态
        document.addEventListener('DOMContentLoaded', function () {
            checkAuthStatus();
        });

        // 思考过程折叠/展开函数
        function toggleThought(button) {
            const container = button.closest('.thought-container');
            const content = container.querySelector('.thought-content');
            const icon = button.querySelector('svg path');

            if (container.dataset.collapsed === 'true') {
                // 展开
                container.dataset.collapsed = 'false';
                content.style.maxHeight = '500px';
                content.style.padding = '10px 0';
                icon.setAttribute('d', 'M6 9l6 6 6-6');
            } else {
                // 折叠
                container.dataset.collapsed = 'true';
                content.style.maxHeight = '0';
                content.style.padding = '0';
                icon.setAttribute('d', 'M18 15l-6-6-6 6');
            }
        }

        function checkAuthStatus() {
            // 检查URL参数中是否有登录成功信息
            const urlParams = new URLSearchParams(window.location.search);
            const loginSuccess = urlParams.get('login_success');
            const token = urlParams.get('token');
            const userInfoJson = urlParams.get('user_info');

            if (loginSuccess && token && userInfoJson) {
                // 登录成功，处理用户信息
                try {
                    const userInfo = JSON.parse(decodeURIComponent(userInfoJson));

                    // 保存到localStorage
                    localStorage.setItem('auth_token', token);
                    localStorage.setItem('user_info', JSON.stringify(userInfo));

                    // 显示用户信息
                    displayUserInfo(userInfo);
                    showUserSection();
                    addAuthHeader(token);

                    // 清理URL参数
                    window.history.replaceState({}, document.title, window.location.pathname);

                    // 初始化历史记录侧边栏
                    initializeHistorySidebar();

                    // 启动对话状态更新器
                    if (typeof startConversationStatusUpdater === 'function') {
                        startConversationStatusUpdater();
                    }

                } catch (e) {
                    redirectToLogin();
                }
            } else {
                // 正常检查localStorage中的认证信息
                const storedToken = localStorage.getItem('auth_token');
                const storedUserInfo = localStorage.getItem('user_info');

                if (storedToken && storedUserInfo) {
                    try {
                        const user = JSON.parse(storedUserInfo);

                        // 验证用户信息的基本字段
                        if (!user.name && !user.nickname) {
                            user.name = '钉钉用户';
                            user.nickname = '钉钉用户';
                        }

                        displayUserInfo(user);
                        showUserSection();
                        addAuthHeader(storedToken);

                        // 初始化历史记录侧边栏
                        initializeHistorySidebar();

                        // 启动对话状态更新器
                        if (typeof startConversationStatusUpdater === 'function') {
                            startConversationStatusUpdater();
                        }

                    } catch (e) {
                        redirectToLogin();
                    }
                } else {
                    redirectToLogin();
                }
            }
        }

        function displayUserInfo(user) {
            // 显示用户头像
            const avatarImg = document.getElementById('avatar-img');
            const avatarFallback = document.getElementById('avatar-fallback');

            if (user.avatar && user.avatar.trim() !== '') {
                avatarImg.src = user.avatar;
                avatarImg.style.display = 'block';
                avatarFallback.style.display = 'none';
            } else {
                avatarImg.style.display = 'none';
                avatarFallback.style.display = 'block';
                // 获取用户名的首字母作为头像
                const displayName = user.nickname || user.name || 'U';
                avatarFallback.textContent = displayName.charAt(0).toUpperCase();
            }

            // 显示用户信息
            const userName = document.getElementById('user-name');
            if (userName) {
                const displayName = user.nickname || user.name || '钉钉用户';
                userName.textContent = displayName;
            }

            const userType = document.getElementById('user-type');
            if (userType) {
                // 根据登录类型显示不同的标签样式
                if (user.login_type === 'dingtalk') {
                    userType.textContent = '钉钉';
                    userType.style.background = 'rgba(24, 144, 255, 0.2)';
                    userType.style.color = '#1890ff';
                    userType.style.border = '1px solid rgba(24, 144, 255, 0.3)';
                } else {
                    userType.textContent = user.login_type || '钉钉';
                    userType.style.background = 'rgba(255, 255, 255, 0.3)';
                    userType.style.color = '#666';
                    userType.style.border = '1px solid rgba(255, 255, 255, 0.2)';
                }
            }

            const userTitle = document.getElementById('user-title');
            if (userTitle && user.title) {
                userTitle.textContent = user.title;
                userTitle.style.display = 'block';
            }

            // 显示其他用户信息
            if (user.email) {
                const emailItem = document.getElementById('user-email');
                if (emailItem) {
                    emailItem.querySelector('.info-value').textContent = user.email;
                    emailItem.style.display = 'block';
                }
            }

            if (user.mobile) {
                const mobileItem = document.getElementById('user-mobile');
                if (mobileItem) {
                    mobileItem.querySelector('.info-value').textContent = user.mobile;
                    mobileItem.style.display = 'block';
                }
            }

            if (user.job_number) {
                const jobItem = document.getElementById('user-job');
                if (jobItem) {
                    jobItem.querySelector('.info-value').textContent = user.job_number;
                    jobItem.style.display = 'block';
                }
            }

            if (user.dept_name) {
                const deptItem = document.getElementById('user-dept');
                if (deptItem) {
                    deptItem.querySelector('.info-value').textContent = user.dept_name;
                    deptItem.style.display = 'block';
                }
            }
        }

        function showUserSection() {
            const userInfo = document.getElementById('user-info');
            if (userInfo) userInfo.style.display = 'flex';
        }

        function addAuthHeader(token) {
            // 注意：addAuthHeader函数由chat.js提供，这里不需要重复定义
            // 如果需要设置认证头，直接调用chat.js中的函数
            if (typeof window.addAuthHeader === 'function') {
                window.addAuthHeader(token);
            }
        }

        function redirectToLogin() {
            if (isRedirecting) {
                return;
            }
            isRedirecting = true;
            localStorage.removeItem('auth_token');
            localStorage.removeItem('user_info');
            // 添加延迟，避免频繁重定向
            setTimeout(() => {
                window.location.href = '/login';
            }, 100);
        }

        // 退出登录
        document.getElementById('logout-btn').addEventListener('click', function () {
            fetch('/api/auth/logout', {
                method: 'POST',
                headers: {
                    'Authorization': `Bearer ${localStorage.getItem('auth_token')}`,
                    'Content-Type': 'application/json'
                }
            }).then(() => {
                redirectToLogin();
            }).catch(() => {
                redirectToLogin();
            });
        });

        // 用户信息下拉菜单（修复：添加鼠标进入/离开事件，防止移向退出登录按钮时菜单消失）
        function initializeUserDropdown() {
            const userInfo = document.getElementById('user-info');
            const dropdown = document.getElementById('user-dropdown');

            if (!userInfo || !dropdown) {
                return;
            }

            // 初始化时确保下拉菜单是隐藏状态（覆盖CSS的:hover效果）
            dropdown.style.display = 'none';
            dropdown.style.opacity = '0';
            dropdown.style.visibility = 'hidden';
            dropdown.style.transform = 'translateY(-15px) scale(0.95)';

            let isHovering = false;
            let hideTimer = null;

            function showDropdown() {
                if (hideTimer) {
                    clearTimeout(hideTimer);
                    hideTimer = null;
                }
                dropdown.style.display = 'block';
                dropdown.style.opacity = '1';
                dropdown.style.visibility = 'visible';
                dropdown.style.transform = 'translateY(0) scale(1)';
            }

            function scheduleHide() {
                if (hideTimer) {
                    clearTimeout(hideTimer);
                }
                hideTimer = setTimeout(() => {
                    if (!isHovering) {
                        dropdown.style.display = 'none';
                        dropdown.style.opacity = '0';
                        dropdown.style.visibility = 'hidden';
                        dropdown.style.transform = 'translateY(-15px) scale(0.95)';
                    }
                }, 150); // 150ms延迟，给用户足够时间移动到按钮
            }

            // 鼠标进入用户信息区域
            userInfo.addEventListener('mouseenter', function () {
                isHovering = true;
                showDropdown();
            });

            // 鼠标离开用户信息区域
            userInfo.addEventListener('mouseleave', function () {
                isHovering = false;
                scheduleHide();
            });

            // 鼠标进入下拉菜单区域（重要：防止鼠标移动到按钮时菜单消失）
            dropdown.addEventListener('mouseenter', function () {
                isHovering = true;
                showDropdown();
            });

            // 鼠标离开下拉菜单区域
            dropdown.addEventListener('mouseleave', function () {
                isHovering = false;
                scheduleHide();
            });

            // 保留点击事件用于移动端
            document.getElementById('user-avatar').addEventListener('click', function (e) {
                // 在桌面端，如果已经在悬停显示状态，点击时不处理（避免冲突）
                if (window.innerWidth > 768 && dropdown.style.display === 'block') {
                    return;
                }
                // 移动端切换显示/隐藏
                if (dropdown.style.display === 'none' || dropdown.style.display === '') {
                    showDropdown();
                } else {
                    dropdown.style.display = 'none';
                    dropdown.style.opacity = '0';
                    dropdown.style.visibility = 'hidden';
                    dropdown.style.transform = 'translateY(-15px) scale(0.95)';
                }
            });
        }

        // 初始化用户下拉菜单
        document.addEventListener('DOMContentLoaded', function () {
            setTimeout(() => {
                initializeUserDropdown();
            }, 100);
        });

        // 智能体选择（悬停展开）
        document.addEventListener('DOMContentLoaded', function () {
            setTimeout(() => {
                initializeAgentHoverDropdown();
            }, 100);

            // 监听窗口大小变化，重新初始化智能体菜单
            let resizeTimer;
            window.addEventListener('resize', function () {
                clearTimeout(resizeTimer);
                resizeTimer = setTimeout(() => {
                    initializeAgentHoverDropdown();
                }, 250);
            });
        });

        function initializeAgentHoverDropdown() {
            const dropdown = document.getElementById('agent-dropdown');
            const menu = document.getElementById('agent-menu');
            const triggerText = document.getElementById('agent-trigger-text');
            const triggerIcon = document.getElementById('agent-trigger-icon');
            if (!dropdown || !menu) return;

            const agentMeta = {
                'planning': {
                    name: '智能策划大师',
                    icon: "{{ url_for('static', filename='img/planning.png') }}"
                },
                'videoaccount': {
                    name: '病理分析',
                    icon: "{{ url_for('static', filename='img/videoaccount.svg') }}"
                },
                'diagnosis': {
                    name: '投放诊断',
                    icon: "{{ url_for('static', filename='img/diagnosis.svg') }}"
                },
            };

            // 兼容历史存储：如果之前存的是已删除的智能体，强制切回智能策划大师
            const storedAgent = localStorage.getItem('current_agent');
            let currentAgent = 'planning';
            if (!storedAgent || !agentMeta[storedAgent]) {
                // 没有存过，或存的是已不存在的智能体 -> 统一重置为智能策划大师
                localStorage.setItem('current_agent', 'planning');
            } else {
                currentAgent = storedAgent;
            }

            // 初始化触发器显示
            triggerText.textContent = agentMeta[currentAgent].name;
            if (triggerIcon) {
                triggerIcon.src = agentMeta[currentAgent].icon;
                triggerIcon.style.display = 'block';
            }

            // 高亮选中项（仅影响下拉菜单项，不改全局样式）
            function clearActiveStyles() {
                menu.querySelectorAll('.agent-option').forEach(item => {
                    item.removeAttribute('data-active');
                    item.style.background = '';
                    item.style.border = '';
                    item.style.opacity = '';
                    item.style.pointerEvents = '';
                });
            }
            function setActiveStyles(agentType) {
                clearActiveStyles();
                const activeEl = menu.querySelector(`.agent-option[data-agent="${agentType}"]`);
                if (activeEl) {
                    activeEl.setAttribute('data-active', 'true');
                    activeEl.style.background = 'rgba(99, 102, 241, 0.12)';
                    activeEl.style.border = '1px solid rgba(99, 102, 241, 0.35)';
                    activeEl.style.opacity = '1';
                    // 禁止重复点击当前激活项
                    activeEl.style.pointerEvents = 'none';
                }
            }
            setActiveStyles(currentAgent);

            // 检测是否为移动设备
            const isMobile = window.innerWidth <= 768;

            if (isMobile) {
                // 移动端：点击显示/隐藏菜单
                let isMenuOpen = false;

                function showMenu() {
                    menu.style.display = 'block';
                    isMenuOpen = true;
                    // 添加动画类
                    setTimeout(() => {
                        menu.classList.add('show');
                    }, 10);
                }

                function hideMenu() {
                    menu.classList.remove('show');
                    setTimeout(() => {
                        menu.style.display = 'none';
                    }, 300);
                    isMenuOpen = false;
                }

                // 点击触发器显示菜单
                dropdown.addEventListener('click', function (e) {
                    e.preventDefault();
                    e.stopPropagation();
                    if (isMenuOpen) {
                        hideMenu();
                    } else {
                        showMenu();
                    }
                });

                // 移除遮罩层点击事件

                // 点击菜单外部隐藏菜单
                document.addEventListener('click', function (e) {
                    if (!dropdown.contains(e.target) && !menu.contains(e.target)) {
                        hideMenu();
                    }
                });

            } else {
                // 桌面端：悬停显示/隐藏（避免从触发区移动到菜单区时闪烁隐藏）
                let isHovering = false;
                let hideTimer = null;

                function showMenu() {
                    if (hideTimer) {
                        clearTimeout(hideTimer);
                        hideTimer = null;
                    }
                    menu.style.display = 'block';
                }

                function scheduleHide() {
                    if (hideTimer) {
                        clearTimeout(hideTimer);
                    }
                    hideTimer = setTimeout(() => {
                        if (!isHovering) {
                            menu.style.display = 'none';
                        }
                    }, 120);
                }

                dropdown.addEventListener('mouseenter', function () {
                    isHovering = true;
                    showMenu();
                });
                dropdown.addEventListener('mouseleave', function () {
                    isHovering = false;
                    scheduleHide();
                });

                menu.addEventListener('mouseenter', function () {
                    isHovering = true;
                    showMenu();
                });
                menu.addEventListener('mouseleave', function () {
                    isHovering = false;
                    scheduleHide();
                });
            }

            menu.querySelectorAll('.agent-option').forEach((item, index) => {


                item.addEventListener('click', function (e) {
                    e.preventDefault();
                    e.stopPropagation();

                    const agentType = this.getAttribute('data-agent');
                    const current = localStorage.getItem('current_agent') || 'planning';

                    // 已是当前激活则不处理
                    if (agentType === current) {
                        return;
                    }

                    // 检查是否已有对话（不是新对话）且有实际消息内容
                    const conversationId = window.currentConversationId;
                    const hasExistingConversation = conversationId &&
                        conversationId !== 'new' &&
                        conversationId !== null &&
                        conversationId !== undefined;

                    // 检查当前对话是否有实际的消息内容（不是空的新对话）
                    const hasActualMessages = checkConversationHasMessages(conversationId);

                    if (hasExistingConversation && hasActualMessages) {
                        // 先关闭菜单，避免遮挡对话框
                        if (isMobile) {
                            hideMenu();
                        } else {
                            isHovering = false;
                            scheduleHide();
                        }

                        // 延迟一下再弹出对话框，确保菜单已关闭
                        setTimeout(() => {
                            // 弹出确认对话框
                            showAgentSwitchConfirmDialog(agentType, current, function (confirmed) {
                                if (confirmed) {
                                    // 用户确认，创建新对话并切换智能体
                                    switchAgentWithNewConversation(agentType);
                                    setActiveStyles(agentType);
                                    // 更新触发器
                                    triggerText.textContent = agentMeta[agentType].name;
                                    if (triggerIcon) {
                                        triggerIcon.src = agentMeta[agentType].icon;
                                        triggerIcon.style.display = 'block';
                                    }
                                } else {
                                    // 用户取消，不切换智能体，保持当前智能体
                                    // 不需要做任何操作
                                }
                            });
                        }, 100);
                    } else {
                        // 新对话或空对话（没有实际消息），直接切换智能体，无需确认
                        switchAgent(agentType);
                        setActiveStyles(agentType);
                        // 更新触发器
                        triggerText.textContent = agentMeta[agentType].name;
                        if (triggerIcon) {
                            triggerIcon.src = agentMeta[agentType].icon;
                            triggerIcon.style.display = 'block';
                        }
                        // 移动端点击后隐藏菜单
                        if (isMobile) {
                            hideMenu();
                        } else {
                            isHovering = false;
                            scheduleHide();
                        }
                    }
                });

                // 添加触摸事件支持（移动端）
                item.addEventListener('touchend', function (e) {
                    e.preventDefault();
                    this.click(); // 触发点击事件
                });
            });
        }

        // 检查对话是否有实际的消息内容
        function checkConversationHasMessages(conversationId) {
            if (!conversationId || conversationId === 'new') {
                return false;
            }

            // 方法1: 检查聊天消息区域中是否有用户消息
            const chatMessages = document.getElementById('chat-messages');
            if (chatMessages) {
                const userMessages = chatMessages.querySelectorAll('.message.user');
                // 如果有用户消息，说明对话有实际内容
                if (userMessages.length > 0) {
                    return true;
                }
            }

            // 方法2: 检查侧边栏中当前对话的消息数量
            const conversationItem = document.querySelector(`[data-conversation-id="${conversationId}"]`);
            if (conversationItem) {
                const messageCountElement = conversationItem.querySelector('.message-count');
                if (messageCountElement) {
                    const messageCount = parseInt(messageCountElement.textContent) || 0;
                    // 如果消息数量大于0，说明对话有实际内容
                    if (messageCount > 0) {
                        return true;
                    }
                }
            }

            // 方法3: 检查是否有正在进行的流式响应（说明用户正在发送消息）
            if (window.conversationStates && window.conversationStates.has(conversationId)) {
                const state = window.conversationStates.get(conversationId);
                if (state && (state.isStreaming || (state.userMessages && state.userMessages.length > 0))) {
                    return true;
                }
            }

            // 如果以上都没有，说明是空的新对话
            return false;
        }

        function switchAgent(agentType) {
            const current = localStorage.getItem('current_agent') || 'planning';
            if (current === agentType) {
                return;
            }


            // 保存到本地存储
            localStorage.setItem('current_agent', agentType);

            // 更新状态提示（如有）
            updateStatusIndicator(agentType);

            // 显示切换提示
            showAgentSwitchNotification(agentType);
        }

        // 切换智能体并创建新对话
        function switchAgentWithNewConversation(agentType) {
            const current = localStorage.getItem('current_agent') || 'planning';
            if (current === agentType) {
                return;
            }

            // 保存到本地存储
            localStorage.setItem('current_agent', agentType);

            // 更新状态提示（如有）
            updateStatusIndicator(agentType);

            // 创建新对话
            if (typeof createNewConversation === 'function') {
                createNewConversation();
            }

            // 显示切换提示
            showAgentSwitchNotification(agentType);
        }

        // 显示智能体切换确认对话框
        function showAgentSwitchConfirmDialog(newAgentType, currentAgentType, callback) {
            // 防止重复弹出对话框
            if (document.querySelector('.agent-switch-dialog-overlay')) {
                return;
            }

            const agentNames = {
                'planning': '智能策划大师',
                'videoaccount': '病理分析',
                'diagnosis': '投放诊断',
                'kuaishou': '快手',
                'toutiao': '头条'
            };

            const newAgentName = agentNames[newAgentType] || '新智能体';
            const currentAgentName = agentNames[currentAgentType] || '当前智能体';

            // 创建对话框遮罩层
            const overlay = document.createElement('div');
            overlay.className = 'agent-switch-dialog-overlay';
            overlay.style.cssText = `
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.5);
                display: flex;
                justify-content: center;
                align-items: center;
                z-index: 10000;
                animation: fadeIn 0.2s ease;
            `;

            // 创建对话框
            const dialog = document.createElement('div');
            dialog.className = 'agent-switch-dialog';
            dialog.style.cssText = `
                background: white;
                border-radius: 12px;
                padding: 24px;
                max-width: 400px;
                width: 90%;
                box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
                animation: slideUp 0.3s ease;
            `;

            dialog.innerHTML = `
                <div style="margin-bottom: 20px;">
                    <div style="font-size: 18px; font-weight: 600; color: #333; margin-bottom: 12px;">
                        切换智能体
                    </div>
                    <div style="font-size: 14px; color: #666; line-height: 1.6;">
                        切换将新建对话，是否继续？
                    </div>
                </div>
                <div style="display: flex; gap: 12px; justify-content: flex-end;">
                    <button class="dialog-btn-cancel" style="
                        padding: 10px 20px;
                        border: 1px solid #ddd;
                        border-radius: 6px;
                        background: white;
                        color: #666;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s;
                    ">否</button>
                    <button class="dialog-btn-confirm" style="
                        padding: 10px 20px;
                        border: none;
                        border-radius: 6px;
                        background: #007bff;
                        color: white;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s;
                    ">继续</button>
                </div>
            `;

            // 添加动画样式
            if (!document.getElementById('agent-switch-dialog-styles')) {
                const style = document.createElement('style');
                style.id = 'agent-switch-dialog-styles';
                style.textContent = `
                    @keyframes fadeIn {
                        from { opacity: 0; }
                        to { opacity: 1; }
                    }
                    @keyframes fadeOut {
                        from { opacity: 1; }
                        to { opacity: 0; }
                    }
                    @keyframes slideUp {
                        from { 
                            opacity: 0;
                            transform: translateY(20px);
                        }
                        to { 
                            opacity: 1;
                            transform: translateY(0);
                        }
                    }
                    @keyframes slideDown {
                        from { 
                            opacity: 1;
                            transform: translateY(0);
                        }
                        to { 
                            opacity: 0;
                            transform: translateY(20px);
                        }
                    }
                    .agent-switch-dialog-overlay {
                        backdrop-filter: blur(2px);
                    }
                    .dialog-btn-cancel:hover {
                        background: #f5f5f5 !important;
                        border-color: #bbb !important;
                    }
                    .dialog-btn-confirm:hover {
                        background: #0056b3 !important;
                    }
                    .dialog-btn-cancel:active,
                    .dialog-btn-confirm:active {
                        transform: scale(0.98);
                    }
                `;
                document.head.appendChild(style);
            }

            overlay.appendChild(dialog);
            document.body.appendChild(overlay);

            // 绑定按钮事件
            const cancelBtn = dialog.querySelector('.dialog-btn-cancel');
            const confirmBtn = dialog.querySelector('.dialog-btn-confirm');

            const closeDialog = (result) => {
                overlay.style.animation = 'fadeOut 0.2s ease';
                dialog.style.animation = 'slideDown 0.2s ease';
                setTimeout(() => {
                    overlay.remove();
                    callback(result);
                }, 200);
            };

            cancelBtn.addEventListener('click', () => closeDialog(false));
            confirmBtn.addEventListener('click', () => closeDialog(true));

            // 点击遮罩层关闭（取消）
            overlay.addEventListener('click', (e) => {
                if (e.target === overlay) {
                    closeDialog(false);
                }
            });

            // ESC键关闭（取消）
            const handleEsc = (e) => {
                if (e.key === 'Escape') {
                    closeDialog(false);
                    document.removeEventListener('keydown', handleEsc);
                }
            };
            document.addEventListener('keydown', handleEsc);
        }

        function updateStatusIndicator(agentType) {
            const agentNames = {
                'planning': '智能策划大师',
                'videoaccount': '病理分析',
                'diagnosis': '投放诊断',
                'kuaishou': '快手',
                'toutiao': '头条'
            };

            const currentPlatformName = document.getElementById('current-platform-name');
            if (currentPlatformName) {
                currentPlatformName.textContent = agentNames[agentType] || '智能策划大师';
            }
        }

        function showAgentSwitchNotification(agentType) {
            const agentNames = {
                'planning': '智能策划大师',
                'videoaccount': '病理分析',
                'diagnosis': '投放诊断',
                'kuaishou': '快手',
                'toutiao': '头条'
            };

            const agentName = agentNames[agentType] || '智能策划大师';

            // 创建通知元素
            const notification = document.createElement('div');
            notification.className = 'agent-switch-notification';
            notification.setAttribute('data-platform', agentType);
            notification.innerHTML = `
                <div class="notification-content">
                    <span class="notification-icon">✨</span>
                    <span class="notification-text">已切换到 ${agentName}</span>
                </div>
            `;

            // 添加到页面
            document.body.appendChild(notification);

            // 显示动画
            setTimeout(() => {
                notification.classList.add('show');
            }, 100);

            // 自动隐藏
            setTimeout(() => {
                notification.classList.remove('show');
                setTimeout(() => {
                    if (notification.parentNode) {
                        notification.parentNode.removeChild(notification);
                    }
                }, 300);
            }, 2000);
        }

        // 获取当前平台类型（供其他功能使用）
        function getCurrentAgent() {
            return localStorage.getItem('current_agent') || 'planning';
        }

        // 动态调整聊天消息区域高度
        function adjustChatMessagesHeight() {
            const userInput = document.getElementById('user-input');
            const chatMessages = document.getElementById('chat-messages');

            if (userInput && chatMessages) {
                // 获取输入框的实际高度
                const inputHeight = userInput.scrollHeight;
                const minHeight = 44; // 最小高度
                const maxHeight = 200; // 最大高度
                const actualHeight = Math.max(minHeight, Math.min(inputHeight, maxHeight));

                // 计算聊天消息区域应该的高度
                const containerHeight = document.querySelector('.chat-container').offsetHeight;
                const headerHeight = document.querySelector('header').offsetHeight;
                const inputContainerPadding = 40; // 输入框容器的padding
                const availableHeight = containerHeight - headerHeight - actualHeight - inputContainerPadding;

                // 设置最小高度为100px，确保有足够的显示空间
                const finalHeight = Math.max(availableHeight, 100);

                chatMessages.style.height = `${finalHeight}px`;
            }
        }

        // 滚动到聊天消息区域底部
        function scrollToBottom() {
            const chatMessages = document.getElementById('chat-messages');
            if (chatMessages) {
                chatMessages.scrollTop = chatMessages.scrollHeight;
            }
        }

        // 平滑滚动到聊天消息区域底部
        function smoothScrollToBottom() {
            const chatMessages = document.getElementById('chat-messages');
            if (chatMessages) {
                chatMessages.scrollTo({
                    top: chatMessages.scrollHeight,
                    behavior: 'smooth'
                });
            }
        }

        // 监听输入框内容变化
        document.addEventListener('DOMContentLoaded', function () {
            const userInput = document.getElementById('user-input');
            if (userInput) {
                // 监听输入事件
                userInput.addEventListener('input', adjustChatMessagesHeight);

                // 监听键盘事件（回车等）
                userInput.addEventListener('keydown', function (e) {
                    if (e.key === 'Enter' && !e.shiftKey) {
                        // 如果是回车键且没有按Shift，延迟调整高度
                        setTimeout(adjustChatMessagesHeight, 100);
                    }
                });

                // 监听窗口大小变化
                window.addEventListener('resize', adjustChatMessagesHeight);

                // 初始化时调整一次高度
                setTimeout(adjustChatMessagesHeight, 100);
            }

            // 监听聊天消息区域的内容变化，自动滚动到底部
            const chatMessages = document.getElementById('chat-messages');
            if (chatMessages) {
                // 创建观察器监听内容变化
                const observer = new MutationObserver(function (mutations) {
                    // 如果正在编辑消息，不自动滚动
                    if (window.isEditingMessage) {
                        return;
                    }

                    const distanceToBottom = chatMessages.scrollHeight - chatMessages.scrollTop - chatMessages.clientHeight;
                    const threshold = 50;
                    if (distanceToBottom > threshold) {
                        return;
                    }

                    // 延迟滚动，确保内容完全渲染
                    setTimeout(() => {
                        scrollToBottom();
                    }, 100);
                });

                // 监听子节点变化和属性变化
                observer.observe(chatMessages, {
                    childList: true,
                    subtree: true,
                    attributes: false
                });

                // 初始化时滚动到底部
                setTimeout(scrollToBottom, 100);

                // 添加双击快速滚动到底部的功能
                let clickCount = 0;
                let clickTimer = null;

                chatMessages.addEventListener('click', function () {
                    clickCount++;

                    if (clickCount === 1) {
                        clickTimer = setTimeout(() => {
                            clickCount = 0;
                        }, 300);
                    } else if (clickCount === 2) {
                        clearTimeout(clickTimer);
                        clickCount = 0;
                        smoothScrollToBottom();
                    }
                });
            }
        });

        // 添加键盘快捷键：Ctrl+End 或 Cmd+End 快速滚动到底部
        document.addEventListener('keydown', function (e) {
            if ((e.ctrlKey || e.metaKey) && e.key === 'End') {
                e.preventDefault();
                smoothScrollToBottom();
            }
        });

        // 历史记录侧边栏功能 - 移除自动初始化，由认证成功后调用

        function initializeHistorySidebar() {
            const sidebar = document.getElementById('history-sidebar');
            const sidebarToggle = document.getElementById('sidebar-toggle');
            const sidebarOverlay = document.getElementById('sidebar-overlay');
            const newChatBtn = document.getElementById('new-chat-btn');
            const conversationItems = document.querySelectorAll('.conversation-item');
            const conversationMenus = document.querySelectorAll('.conversation-menu');

            // 检测是否为移动设备
            const isMobile = window.innerWidth <= 768;

            if (isMobile) {
                // 移动端显示切换按钮
                if (sidebarToggle) {
                    sidebarToggle.style.display = 'flex';
                }

                // 移动端侧边栏切换功能
                if (sidebarToggle && sidebar && sidebarOverlay) {
                    sidebarToggle.addEventListener('click', function () {
                        sidebar.classList.add('show');
                        sidebarOverlay.classList.add('show');
                        document.body.style.overflow = 'hidden';
                    });

                    sidebarOverlay.addEventListener('click', function () {
                        sidebar.classList.remove('show');
                        sidebarOverlay.classList.remove('show');
                        document.body.style.overflow = '';
                    });
                }
            } else {
                // 桌面端隐藏切换按钮
                if (sidebarToggle) {
                    sidebarToggle.style.display = 'none';
                }
            }

            // 监听窗口大小变化
            window.addEventListener('resize', function () {
                const isMobileNow = window.innerWidth <= 768;

                if (isMobileNow && !isMobile) {
                    // 切换到移动端
                    if (sidebarToggle) {
                        sidebarToggle.style.display = 'flex';
                    }
                    if (sidebar && sidebarOverlay) {
                        sidebar.classList.remove('show');
                        sidebarOverlay.classList.remove('show');
                        document.body.style.overflow = '';
                    }
                } else if (!isMobileNow && isMobile) {
                    // 切换到桌面端
                    if (sidebarToggle) {
                        sidebarToggle.style.display = 'none';
                    }
                    if (sidebar && sidebarOverlay) {
                        sidebar.classList.remove('show');
                        sidebarOverlay.classList.remove('show');
                        document.body.style.overflow = '';
                    }
                }
            });

            // 新对话按钮功能
            if (newChatBtn) {
                newChatBtn.addEventListener('click', function () {
                    // 立即创建新对话
                    createNewConversation();
                });
            }

            // 对话项点击功能
            conversationItems.forEach(item => {
                item.addEventListener('click', function (e) {
                    // 如果点击的是菜单按钮，不处理
                    if (e.target.closest('.conversation-menu')) {
                        return;
                    }

                    const conversationId = this.getAttribute('data-conversation-id');

                    // 设置激活的对话
                    if (typeof setActiveConversation === 'function') {
                        setActiveConversation(conversationId);
                    }

                    loadConversation(conversationId);
                    updateConversationSelection(conversationId);

                    // 移动端关闭侧边栏
                    if (isMobile && sidebar && sidebarOverlay) {
                        sidebar.classList.remove('show');
                        sidebarOverlay.classList.remove('show');
                        document.body.style.overflow = '';
                    }
                });
            });

            // 对话菜单功能
            conversationMenus.forEach(menu => {
                menu.addEventListener('click', function (e) {
                    e.stopPropagation();
                    const conversationId = this.getAttribute('data-conversation-id');
                    showConversationMenu(conversationId, this);
                });
            });

            // 同步侧边栏用户信息
            syncSidebarUserInfo();

            // 加载历史记录
            loadConversationHistory();
        }

        // 查找现有的空"新对话"
        function findExistingEmptyConversation() {
            const conversationItems = document.querySelectorAll('.conversation-item');
            for (let item of conversationItems) {
                const messageCountElement = item.querySelector('.message-count');
                if (messageCountElement) {
                    const messageCount = parseInt(messageCountElement.textContent);
                    if (messageCount === 0) {
                        return {
                            conversationId: item.getAttribute('data-conversation-id'),
                            sessionId: item.getAttribute('data-session-id'),
                            element: item
                        };
                    }
                }
            }
            return null;
        }

        // 切换到现有的空"新对话"
        function switchToExistingEmptyConversation(conversation) {
            // 更新当前对话ID和session_id
            window.currentConversationId = conversation.conversationId;
            window.currentSessionId = conversation.sessionId;

            // 清除聊天区域并显示提示语
            clearCurrentConversation();

            // 更新侧边栏选中状态
            updateConversationSelection(conversation.conversationId);

            // 移动端关闭侧边栏
            const isMobile = window.innerWidth <= 768;
            if (isMobile) {
                const sidebar = document.getElementById('history-sidebar');
                const sidebarOverlay = document.getElementById('sidebar-overlay');
                if (sidebar && sidebarOverlay) {
                    sidebar.classList.remove('show');
                    sidebarOverlay.classList.remove('show');
                    document.body.style.overflow = '';
                }
            }

            // 确保输入框状态正确
            const userInput = document.getElementById('user-input');
            const sendButton = document.getElementById('send-btn');
            if (userInput && sendButton) {
                userInput.disabled = false;
                userInput.placeholder = '请输入需要撰写的品类名和要求...';
                userInput.classList.remove('input-loading');
                sendButton.disabled = false;
                sendButton.classList.remove('stopping');
            }
        }

        function createNewConversation() {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 先检查是否已经存在一个空的"新对话"
            const existingEmptyConversation = findExistingEmptyConversation();
            if (existingEmptyConversation) {
                // 如果存在空的"新对话"，直接切换到该对话
                switchToExistingEmptyConversation(existingEmptyConversation);
                return;
            }

            // 显示加载状态
            const newChatBtn = document.getElementById('new-chat-btn');
            if (newChatBtn) {
                const originalText = newChatBtn.innerHTML;
                newChatBtn.innerHTML = `
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" style="animation: spin 1s linear infinite;">
                        <path d="M21 12a9 9 0 11-6.219-8.56" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                    </svg>
                    创建中...
                `;
                newChatBtn.disabled = true;
            }

            // 调用后端API创建新对话
            fetch('/api/conversations/new', {
                method: 'POST',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    title: '新对话'
                })
            })
                .then(response => {
                    if (response.status === 401) {
                        redirectToLogin();
                        return;
                    }
                    return response.json();
                })
                .then(data => {
                    if (data && data.success) {
                        // 更新当前对话ID和session_id
                        window.currentConversationId = data.conversation.conversation_id;
                        window.currentSessionId = data.conversation.session_id;

                        // 清除聊天区域并显示提示语
                        clearCurrentConversation();


                        // 更新侧边栏选中状态
                        updateConversationSelection(data.conversation.conversation_id);

                        // 重新加载历史记录以显示新对话，但不自动加载对话内容
                        loadConversationHistory(false);

                        // 确保输入框状态正确
                        const userInput = document.getElementById('user-input');
                        const sendButton = document.getElementById('send-btn');
                        if (userInput && sendButton) {
                            userInput.disabled = false;
                            userInput.placeholder = '请输入需要撰写的品类名和要求...';
                            userInput.classList.remove('input-loading');
                            sendButton.disabled = false;
                            sendButton.classList.remove('stopping');
                        }

                        // 移动端关闭侧边栏
                        const isMobile = window.innerWidth <= 768;
                        if (isMobile) {
                            const sidebar = document.getElementById('history-sidebar');
                            const sidebarOverlay = document.getElementById('sidebar-overlay');
                            if (sidebar && sidebarOverlay) {
                                sidebar.classList.remove('show');
                                sidebarOverlay.classList.remove('show');
                                document.body.style.overflow = '';
                            }
                        }

                    } else {
                        showMessage('创建新对话失败: ' + (data ? data.error : '未知错误'), 'error');
                    }
                })
                .catch(error => {
                    showMessage('创建新对话时发生错误: ' + error.message, 'error');
                })
                .finally(() => {
                    // 恢复按钮状态
                    if (newChatBtn) {
                        newChatBtn.innerHTML = `
                            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                <path d="M12 5v14M5 12h14" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                            </svg>
                            开启新对话
                        `;
                        newChatBtn.disabled = false;
                    }
                });
        }

        function clearCurrentConversation() {
            const chatMessages = document.getElementById('chat-messages');
            if (chatMessages) {
                chatMessages.innerHTML = `
                    <div class="message bot">
                        <div class="message-content">请发送你的投放数据。如果是视频诊断,目前仅能诊断文案,请去聚德神转转为文案(最好是带时间戳的字幕-聚德智能视频处理工具可导出)。
                        </div>
                    </div>
                `;
            }

            // 清除全局状态管理中的当前激活对话
            if (typeof currentActiveConversationId !== 'undefined') {
                currentActiveConversationId = null;
            }

            // 清除强制创建新对话的标志（因为已经创建了新对话）
            window.forceNewConversation = false;
        }

        function loadConversation(conversationId) {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 设置激活的对话
            if (typeof setActiveConversation === 'function') {
                setActiveConversation(conversationId);
            }

            // 先切换到指定对话，然后加载内容
            switchToConversationAndLoad(conversationId, token);
        }

        function switchToConversationAndLoad(conversationId, token) {
            // 调用后端API切换到指定对话
            fetch(`/api/conversations/${conversationId}/switch`, {
                method: 'POST',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                }
            }).then(response => {
                if (response.status === 401) {
                    redirectToLogin();
                    return;
                }
                return response.json();
            }).then(data => {
                if (data && data.success) {
                    // 更新当前对话ID和session_id
                    window.currentConversationId = data.conversation.conversation_id;
                    window.currentSessionId = data.conversation.session_id;

                    // 加载对话内容
                    loadConversationSimple(conversationId, token);
                } else {
                    showMessage('切换对话失败: ' + (data ? data.error : '未知错误'), 'error');
                }
            }).catch(error => {
                showMessage('切换对话时发生错误: ' + error.message, 'error');
            });
        }

        function loadConversationSimple(conversationId, token) {
            // 检查是否有正在进行的流式响应
            const hasActiveStream = window.conversationStates && window.conversationStates.has(conversationId);
            const streamState = hasActiveStream ? window.conversationStates.get(conversationId) : null;
            // 检查是否真正在流式响应（只要 isStreaming 为 true，无论是否有 messageElement）
            const isActuallyStreaming = streamState && streamState.isStreaming;
            // 检查是否有可用的消息元素（用于判断是否可以通过 updateExistingMessages 处理）
            const hasMessageElement = streamState && streamState.messageElement && streamState.messageElement.parentNode;

            // 返回 Promise
            return fetch(`/api/conversations/${conversationId}`, {
                method: 'GET',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                }
            })
                .then(response => {
                    if (response.status === 401) {
                        redirectToLogin();
                        return;
                    }
                    return response.json();
                })
                .then(data => {
                    if (data && data.success) {
                        const chatMessages = document.getElementById('chat-messages');


                        // 如果有正在进行的流式响应且有可用的消息元素，保留流式响应元素
                        if (isActuallyStreaming && hasMessageElement) {
                            // 保留流式响应的消息元素，只更新历史消息
                            updateExistingMessages(data.messages, streamState.messageElement);
                        } else {
                            // 清空聊天区域并重新渲染所有消息
                            chatMessages.innerHTML = '';

                            // 如果没有消息，显示提示语
                            if (!data.messages || data.messages.length === 0) {
                                chatMessages.innerHTML = `
                                    <div class="message bot">
                                        <div class="message-content">请发送你的投放数据。如果是视频诊断,目前仅能诊断文案,请去聚德神转转为文案(最好是带时间戳的字幕-聚德智能视频处理工具可导出)。</div>
                                    </div>
                                `;
                            } else {
                                renderAllMessages(data.messages, chatMessages);
                            }

                            // 确保用户消息在切换对话后仍然可见
                            // 检查是否有未保存的用户消息
                            if (streamState && streamState.userMessages) {
                                streamState.userMessages.forEach(userMsg => {
                                    // 检查用户消息是否已经在DOM中
                                    const existingUserMsg = Array.from(chatMessages.children).find(msg =>
                                        msg.classList.contains('user') &&
                                        msg.querySelector('.message-content')?.textContent === userMsg.content
                                    );

                                    if (!existingUserMsg) {
                                        // 如果用户消息不在DOM中，重新添加
                                        chatMessages.appendChild(userMsg.element);
                                    }
                                });
                            }

                            // ===== 恢复流式响应内容（无论是正在进行还是已完成但未保存到数据库） =====
                            // 检查数据库中是否已经包含了流式响应的内容
                            let shouldRestoreStreamContent = false;

                            // 如果流式响应正在进行，必须恢复显示
                            if (streamState && isActuallyStreaming) {
                                shouldRestoreStreamContent = true;
                            }
                            // 如果流式响应已完成，检查是否需要恢复（内容未保存到数据库）
                            else if (streamState && !isActuallyStreaming && (streamState.currentMessage || (streamState.currentThoughts && streamState.currentThoughts.length > 0))) {
                                // 检查数据库返回的最后一条 assistant 消息是否与流式响应的内容匹配
                                const dbMessages = data.messages || [];
                                const lastAssistantMsg = dbMessages.filter(msg => msg.role === 'assistant').pop();

                                if (lastAssistantMsg) {
                                    // 如果最后一条 assistant 消息的内容与流式响应的内容匹配，说明内容已经保存到数据库
                                    // 使用更精确的匹配：检查消息内容是否相同或包含流式响应的主要内容
                                    let contentMatches = false;
                                    if (streamState.currentMessage) {
                                        const streamContent = streamState.currentMessage.trim();
                                        const dbContent = lastAssistantMsg.content.trim();
                                        // 精确匹配或检查前100个字符是否匹配（处理可能的截断）
                                        contentMatches = (dbContent === streamContent) ||
                                            (dbContent.length > 50 && streamContent.length > 50 &&
                                                dbContent.substring(0, 100) === streamContent.substring(0, 100));
                                    } else {
                                        // 如果没有流式响应内容，认为匹配
                                        contentMatches = true;
                                    }

                                    let thoughtsMatch = false;
                                    if (streamState.currentThoughts && streamState.currentThoughts.length > 0) {
                                        const streamThoughts = streamState.currentThoughts.join('').trim();
                                        const dbThoughts = (lastAssistantMsg.thinking_content || '').trim();
                                        thoughtsMatch = (dbThoughts === streamThoughts) ||
                                            (dbThoughts.length > 50 && streamThoughts.length > 50 &&
                                                dbThoughts.substring(0, 100) === streamThoughts.substring(0, 100));
                                    } else {
                                        // 如果流式响应没有思考过程，检查数据库是否有思考过程
                                        thoughtsMatch = !lastAssistantMsg.thinking_content || lastAssistantMsg.thinking_content.trim() === '';
                                    }

                                    // 只有当内容不匹配时，才需要恢复流式响应的内容
                                    shouldRestoreStreamContent = !contentMatches || !thoughtsMatch;
                                } else {
                                    // 如果数据库中没有 assistant 消息，说明确实需要恢复流式响应的内容
                                    shouldRestoreStreamContent = true;
                                }

                                // 如果内容已保存在数据库中，清除流式响应状态以避免下次重复检查
                                if (!shouldRestoreStreamContent) {
                                    streamState.currentMessage = '';
                                    streamState.currentThoughts = [];
                                }
                            }

                            if (shouldRestoreStreamContent && streamState) {
                                // 如果流式响应正在进行或已完成，但消息元素不在DOM中，需要重新创建或恢复
                                let restoredMessageElement = streamState.messageElement;

                                // 如果流式响应正在进行，确保消息元素存在
                                const isStreamingNow = streamState.isStreaming;

                                // 如果消息元素不存在或不在DOM中
                                if (!restoredMessageElement) {
                                    // 消息元素不存在，需要创建
                                    restoredMessageElement = document.createElement('div');
                                    restoredMessageElement.className = 'message bot';

                                    // 创建思考过程容器（如果有）
                                    if (streamState.currentThoughts && streamState.currentThoughts.length > 0) {
                                        const thoughtContainer = document.createElement('div');
                                        thoughtContainer.className = 'thought-container';

                                        const thoughtToggleBtn = document.createElement('button');
                                        thoughtToggleBtn.className = 'thought-toggle-btn';
                                        thoughtToggleBtn.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>';
                                        thoughtToggleBtn.title = '收起/展开思考过程';
                                        thoughtToggleBtn.onclick = function (e) {
                                            e.stopPropagation();
                                            thoughtContainer.classList.toggle('collapsed');
                                        };

                                        const thoughtContent = document.createElement('div');
                                        thoughtContent.className = 'thought-content';
                                        if (typeof window.renderThoughts === 'function') {
                                            thoughtContent.innerHTML = window.renderThoughts(streamState.currentThoughts.join(''));
                                        } else {
                                            thoughtContent.textContent = streamState.currentThoughts.join('');
                                        }

                                        thoughtContainer.appendChild(thoughtToggleBtn);
                                        thoughtContainer.appendChild(thoughtContent);
                                        restoredMessageElement.appendChild(thoughtContainer);

                                        // 更新状态中的引用
                                        streamState.thoughtContainer = thoughtContainer;
                                    }

                                    // 创建消息内容容器
                                    const contentContainer = document.createElement('div');
                                    // 如果流式响应正在进行，添加 typing 类名
                                    contentContainer.className = isStreamingNow ? 'message-content typing' : 'message-content';
                                    if (streamState.currentMessage) {
                                        if (typeof window.renderMarkdown === 'function') {
                                            contentContainer.innerHTML = window.renderMarkdown(streamState.currentMessage);
                                            if (typeof window.applyCodeHighlighting === 'function') {
                                                window.applyCodeHighlighting(contentContainer);
                                            }
                                        } else {
                                            contentContainer.textContent = streamState.currentMessage;
                                        }
                                    }
                                    restoredMessageElement.appendChild(contentContainer);

                                    // 保存 contentContainer 引用到状态中，以便流式响应继续更新
                                    if (isStreamingNow && contentContainer) {
                                        // 确保状态中的消息元素引用正确
                                        streamState.messageElement = restoredMessageElement;
                                    }

                                    // 添加到聊天区域
                                    chatMessages.appendChild(restoredMessageElement);

                                    // 添加对话ID标识，便于后续管理
                                    restoredMessageElement.setAttribute('data-conversation-id', conversationId);

                                    // 更新状态中的引用（确保流式响应能够继续更新）
                                    streamState.messageElement = restoredMessageElement;

                                    // 如果流式响应正在进行，确保恢复后能够继续更新
                                    if (isStreamingNow) {
                                        // 确保消息元素可见
                                        restoredMessageElement.style.opacity = '1';
                                        restoredMessageElement.style.transform = 'translateY(0)';

                                        // 滚动到底部以看到实时更新
                                        setTimeout(() => {
                                            chatMessages.scrollTop = chatMessages.scrollHeight;
                                        }, 100);
                                    }
                                } else if (!restoredMessageElement.parentNode) {
                                    // 消息元素存在但不在DOM中，需要重新添加到DOM
                                    chatMessages.appendChild(restoredMessageElement);

                                    // 确保消息元素可见
                                    restoredMessageElement.style.opacity = '1';
                                    restoredMessageElement.style.transform = 'translateY(0)';

                                    // 如果流式响应正在进行，滚动到底部
                                    if (isStreamingNow) {
                                        setTimeout(() => {
                                            chatMessages.scrollTop = chatMessages.scrollHeight;
                                        }, 100);
                                    }
                                } else {
                                    // 如果消息元素还在DOM中，只需要确保内容是最新的
                                    const contentContainer = restoredMessageElement.querySelector('.message-content');
                                    if (contentContainer) {
                                        // 如果流式响应正在进行，确保有 typing 类名
                                        if (isStreamingNow && !contentContainer.classList.contains('typing')) {
                                            contentContainer.classList.add('typing');
                                        } else if (!isStreamingNow && contentContainer.classList.contains('typing')) {
                                            contentContainer.classList.remove('typing');
                                        }

                                        // 更新内容
                                        if (streamState.currentMessage) {
                                            if (typeof window.renderMarkdown === 'function') {
                                                contentContainer.innerHTML = window.renderMarkdown(streamState.currentMessage);
                                                if (typeof window.applyCodeHighlighting === 'function') {
                                                    window.applyCodeHighlighting(contentContainer);
                                                }
                                            } else {
                                                contentContainer.textContent = streamState.currentMessage;
                                            }
                                        }
                                    }

                                    // 恢复思考过程
                                    if (streamState.thoughtContainer && streamState.currentThoughts && streamState.currentThoughts.length > 0) {
                                        const thoughtContent = streamState.thoughtContainer.querySelector('.thought-content');
                                        if (thoughtContent) {
                                            if (typeof window.renderThoughts === 'function') {
                                                thoughtContent.innerHTML = window.renderThoughts(streamState.currentThoughts.join(''));
                                            } else {
                                                thoughtContent.textContent = streamState.currentThoughts.join('');
                                            }
                                        }
                                    }
                                }

                                // 确保消息元素可见
                                restoredMessageElement.style.opacity = '1';
                                restoredMessageElement.style.transform = 'translateY(0)';

                                // 为新恢复的消息添加复制按钮
                                if (typeof window.setupCopyButtons === 'function') {
                                    window.setupCopyButtons();
                                }
                            }
                        }

                        // 更新当前对话ID和session_id
                        window.currentConversationId = conversationId;
                        if (data.conversation && data.conversation.session_id) {
                            window.currentSessionId = data.conversation.session_id;
                        }

                        // 更新输入框状态 - 确保切换对话时输入框状态正确
                        if (typeof updateInputUIForConversation === 'function') {
                            updateInputUIForConversation(conversationId);
                        } else if (typeof resetUIState === 'function') {
                            resetUIState();
                        }

                        // 滚动到底部
                        setTimeout(() => {
                            chatMessages.scrollTop = chatMessages.scrollHeight;
                        }, 100);
                    } else {
                        showMessage('加载对话失败: ' + (data ? data.error : '未知错误'), 'error');
                    }
                })
                .catch(error => {
                    showMessage('加载对话时发生错误: ' + error.message, 'error');
                });
        }

        function updateExistingMessages(messages, streamElement) {
            const chatMessages = document.getElementById('chat-messages');
            const existingMessages = Array.from(chatMessages.children);

            // 找到流式响应元素的位置
            const streamIndex = existingMessages.indexOf(streamElement);

            // 移除流式响应元素之前的所有消息（这些是历史消息）
            for (let i = 0; i < streamIndex; i++) {
                if (existingMessages[i] && existingMessages[i].parentNode) {
                    existingMessages[i].remove();
                }
            }

            // 在流式响应元素之前插入所有历史消息
            messages.forEach((msg, index) => {
                // 显示所有历史消息，包括用户消息和AI回复
                const messageDiv = createMessageElement(msg);
                chatMessages.insertBefore(messageDiv, streamElement);
            });
        }

        function renderAllMessages(messages, chatMessages) {
            messages.forEach((msg, index) => {
                const messageDiv = createMessageElement(msg);
                chatMessages.appendChild(messageDiv);
            });
        }

        function createMessageElement(msg) {
            const messageDiv = document.createElement('div');
            messageDiv.className = `message ${msg.role}`;

            let content = msg.content;

            // 如果是AI消息且有思考过程，添加思考容器
            if (msg.role === 'assistant' && msg.thinking_content) {
                // 使用思考过程专用的渲染函数
                let thoughtHtml = '';
                if (typeof window.renderThoughts === 'function') {
                    thoughtHtml = window.renderThoughts(msg.thinking_content);
                } else if (typeof window.renderMarkdown === 'function') {
                    thoughtHtml = window.renderMarkdown(msg.thinking_content);
                } else if (typeof showdown !== 'undefined') {
                    const converter = new showdown.Converter({
                        strikethrough: true,
                        tables: true,
                        tasklists: true,
                        ghCodeBlocks: true,
                        openLinksInNewWindow: true
                    });
                    thoughtHtml = converter.makeHtml(msg.thinking_content);
                } else {
                    thoughtHtml = msg.thinking_content;
                }

                const thoughtContainerHtml = `
                <div class="thought-container" data-collapsed="false">
                    <button class="thought-toggle-btn" onclick="toggleThought(this)">
                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path d="M6 9l6 6 6-6" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                        </svg>
                    </button>
                    <div class="thought-content">
                        ${thoughtHtml}
                    </div>
                </div>
                `;
                content = thoughtContainerHtml + content;
            }

            // 使用统一的Markdown渲染函数渲染消息内容
            let renderedContent = content;
            if (msg.role === 'assistant') {
                if (typeof window.renderMarkdown === 'function') {
                    // 只渲染消息内容部分，思考过程已经渲染过了
                    const messageContentOnly = msg.content;
                    renderedContent = msg.thinking_content ?
                        content.replace(msg.content, window.renderMarkdown(messageContentOnly)) :
                        window.renderMarkdown(messageContentOnly);
                } else if (typeof showdown !== 'undefined') {
                    const converter = new showdown.Converter({
                        strikethrough: true,
                        tables: true,
                        tasklists: true,
                        ghCodeBlocks: true,
                        openLinksInNewWindow: true
                    });
                    // 只渲染消息内容部分，思考过程已经渲染过了
                    const messageContentOnly = msg.content;
                    renderedContent = msg.thinking_content ?
                        content.replace(msg.content, converter.makeHtml(messageContentOnly)) :
                        converter.makeHtml(messageContentOnly);
                }
            }

            // 为用户消息添加编辑按钮
            let messageContentHtml = `<div class="message-content">${renderedContent}</div>`;
            if (msg.role === 'user' && msg.message_id) {
                // 转义特殊字符，防止XSS攻击
                const escapedContent = msg.content.replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
                messageContentHtml = `
                    <div class="message-content">${renderedContent}</div>
                    <button class="edit-button" onclick="editMessage(${msg.message_id}, '${escapedContent}')" title="编辑消息">
                        <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                            <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                            <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                        </svg>
                    </button>
                `;
            }

            messageDiv.innerHTML = messageContentHtml;

            // 为用户消息添加data-message-id属性
            if (msg.role === 'user' && msg.message_id) {
                messageDiv.setAttribute('data-message-id', msg.message_id);
            }

            // 确保消息立即可见
            messageDiv.style.opacity = '1';
            messageDiv.style.transform = 'translateY(0)';

            // 应用代码高亮和表格处理
            if (typeof applyCodeHighlighting === 'function') {
                applyCodeHighlighting(messageDiv);
            }
            if (typeof processAuditResultTables === 'function') {
                processAuditResultTables();
            }

            // 为历史消息添加复制按钮
            if (typeof window.setupCopyButtons === 'function') {
                window.setupCopyButtons();
            }

            return messageDiv;
        }


        function updateConversationSelection(conversationId) {
            const conversationItems = document.querySelectorAll('.conversation-item');
            conversationItems.forEach(item => {
                const itemId = item.getAttribute('data-conversation-id');
                if (itemId === conversationId) {
                    item.classList.add('active');
                    // 确保状态点显示
                    const statusDot = item.querySelector('.conversation-status-dot');
                    if (statusDot) {
                        statusDot.style.opacity = '1';
                    }
                } else {
                    item.classList.remove('active');
                    // 移除非活跃对话的状态类
                    item.classList.remove('streaming', 'paused');
                    const statusDot = item.querySelector('.conversation-status-dot');
                    if (statusDot) {
                        statusDot.style.opacity = '0';
                    }
                }
            });
        }

        function updateConversationStatus(conversationId, status) {
            const conversationItem = document.querySelector(`[data-conversation-id="${conversationId}"]`);
            if (conversationItem) {
                const statusDot = conversationItem.querySelector('.conversation-status-dot');

                // 移除所有状态类
                conversationItem.classList.remove('streaming', 'paused');

                // 添加新的状态类
                if (status === 'streaming') {
                    conversationItem.classList.add('streaming');
                    if (statusDot) {
                        statusDot.style.opacity = '1';
                        statusDot.style.background = '#10b981';
                    }
                } else if (status === 'paused') {
                    conversationItem.classList.add('paused');
                    if (statusDot) {
                        statusDot.style.opacity = '1';
                        statusDot.style.background = '#f59e0b';
                    }
                } else if (status === 'stopped') {
                    if (statusDot) {
                        statusDot.style.opacity = '0';
                    }
                }
            }
        }

        function showConversationMenu(conversationId, button) {
            // 创建菜单
            const menu = document.createElement('div');
            menu.className = 'conversation-context-menu';
            menu.innerHTML = `
                <div class="menu-item" data-action="rename">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                        <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                    </svg>
                    重命名
                </div>
                <div class="menu-item" data-action="delete">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <path d="M3 6h18M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                    </svg>
                    删除
                </div>
            `;

            // 添加样式
            menu.style.cssText = `
                position: absolute;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.3);
                border-radius: 8px;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
                padding: 8px 0;
                min-width: 120px;
                z-index: 1000;
                opacity: 0;
                transform: scale(0.9);
                transition: all 0.2s ease;
            `;

            // 定位菜单
            const rect = button.getBoundingClientRect();
            menu.style.left = (rect.left - 100) + 'px';
            menu.style.top = (rect.bottom + 5) + 'px';

            // 添加到页面
            document.body.appendChild(menu);

            // 显示动画
            setTimeout(() => {
                menu.style.opacity = '1';
                menu.style.transform = 'scale(1)';
            }, 10);

            // 菜单项点击事件
            menu.querySelectorAll('.menu-item').forEach(item => {
                item.addEventListener('click', function () {
                    const action = this.getAttribute('data-action');
                    handleConversationAction(action, conversationId);
                    closeMenu();
                });
            });

            // 点击外部关闭菜单
            function closeMenu() {
                menu.style.opacity = '0';
                menu.style.transform = 'scale(0.9)';
                setTimeout(() => {
                    if (menu.parentNode) {
                        menu.parentNode.removeChild(menu);
                    }
                }, 200);
            }

            // 点击外部关闭
            document.addEventListener('click', function closeOnOutsideClick(e) {
                if (!menu.contains(e.target) && e.target !== button) {
                    closeMenu();
                    document.removeEventListener('click', closeOnOutsideClick);
                }
            });
        }

        function handleConversationAction(action, conversationId) {
            switch (action) {
                case 'rename':
                    renameConversation(conversationId);
                    break;
                case 'delete':
                    deleteConversation(conversationId);
                    break;
            }
        }

        function renameConversation(conversationId) {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 获取当前对话标题
            const conversationItem = document.querySelector(`[data-conversation-id="${conversationId}"]`);
            const currentTitle = conversationItem ? conversationItem.querySelector('.conversation-title').textContent : '';

            // 设置输入框的值
            const renameInput = document.getElementById('rename-input');
            if (renameInput) {
                renameInput.value = currentTitle;
                renameInput.focus();
                renameInput.select();
            }

            // 显示重命名弹框
            showModal('rename-modal');

            // 绑定确认按钮事件
            const confirmBtn = document.getElementById('confirm-rename-btn');
            if (confirmBtn) {
                confirmBtn.onclick = function () {
                    const newTitle = renameInput.value.trim();
                    if (newTitle && newTitle !== currentTitle) {
                        performRename(conversationId, newTitle, token);
                    } else if (!newTitle) {
                        showMessage('请输入新的对话标题', 'warning');
                    } else {
                        closeModal('rename-modal');
                    }
                };
            }

            // 绑定回车键事件
            if (renameInput) {
                renameInput.onkeydown = function (e) {
                    if (e.key === 'Enter') {
                        confirmBtn.click();
                    } else if (e.key === 'Escape') {
                        closeModal('rename-modal');
                    }
                };
            }
        }

        function performRename(conversationId, newTitle, token) {
            fetch(`/api/conversations/${conversationId}/rename`, {
                method: 'POST',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    title: newTitle
                })
            })
                .then(response => {
                    if (response.status === 401) {
                        redirectToLogin();
                        return;
                    }
                    return response.json();
                })
                .then(data => {
                    if (data && data.success) {
                        const conversationItem = document.querySelector(`[data-conversation-id="${conversationId}"]`);
                        if (conversationItem) {
                            const titleElement = conversationItem.querySelector('.conversation-title');
                            if (titleElement) {
                                titleElement.textContent = newTitle;
                            }
                        }
                        closeModal('rename-modal');
                        showMessage('对话标题已更新');
                    } else {
                        showMessage('重命名失败: ' + (data ? data.error : '未知错误'), 'error');
                    }
                })
                .catch(error => {
                    showMessage('重命名对话时发生错误: ' + error.message, 'error');
                });
        }

        function deleteConversation(conversationId) {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 显示删除确认弹框
            showModal('delete-modal');

            // 绑定确认删除按钮事件
            const confirmBtn = document.getElementById('confirm-delete-btn');
            if (confirmBtn) {
                confirmBtn.onclick = function () {
                    performDelete(conversationId, token);
                };
            }
        }

        function performDelete(conversationId, token) {
            fetch(`/api/conversations/${conversationId}`, {
                method: 'DELETE',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                }
            })
                .then(response => {
                    if (response.status === 401) {
                        redirectToLogin();
                        return;
                    }
                    return response.json();
                })
                .then(data => {
                    if (data && data.success) {
                        const conversationItem = document.querySelector(`[data-conversation-id="${conversationId}"]`);
                        if (conversationItem) {
                            conversationItem.remove();
                        }
                        closeModal('delete-modal');
                        showMessage('对话已删除');

                        // 如果删除的是当前对话，清除当前对话ID
                        if (window.currentConversationId === conversationId) {
                            window.currentConversationId = null;
                            // 清空聊天区域
                            const chatMessages = document.getElementById('chat-messages');
                            if (chatMessages) {
                                chatMessages.innerHTML = '';
                            }
                        }
                    } else {
                        showMessage('删除失败: ' + (data ? data.error : '未知错误'), 'error');
                    }
                })
                .catch(error => {
                    showMessage('删除对话时发生错误: ' + error.message, 'error');
                });
        }

        function loadConversationHistory(autoSelectLatest = false) {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 从服务器加载历史记录
            fetch('/api/conversations', {
                method: 'GET',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                }
            })
                .then(response => {
                    if (response.status === 401) {
                        // 认证失败，清除本地存储并重定向到登录页面
                        redirectToLogin();
                        return;
                    }
                    return response.json();
                })
                .then(data => {
                    if (data && data.success) {
                        updateHistorySidebar(data.conversations, autoSelectLatest);
                    } else {
                        // 显示空状态
                        const historyLoading = document.getElementById('history-loading');
                        const historyEmpty = document.getElementById('history-empty');
                        if (historyLoading) historyLoading.style.display = 'none';
                        if (historyEmpty) historyEmpty.style.display = 'block';
                    }
                })
                .catch(error => {
                    // 显示空状态
                    const historyLoading = document.getElementById('history-loading');
                    const historyEmpty = document.getElementById('history-empty');
                    if (historyLoading) historyLoading.style.display = 'none';
                    if (historyEmpty) historyEmpty.style.display = 'block';
                });
        }

        // 将loadConversationHistory函数暴露到全局作用域，供chat.js调用
        window.loadConversationHistory = loadConversationHistory;


        function updateHistorySidebar(conversations, autoSelectLatest = false) {
            // 更新侧边栏的历史记录
            const historyContent = document.querySelector('.history-content');
            const historyLoading = document.getElementById('history-loading');
            const historyEmpty = document.getElementById('history-empty');

            if (!historyContent) {
                return;
            }

            // 隐藏加载状态
            if (historyLoading) {
                historyLoading.style.display = 'none';
            }

            // 清空现有内容
            historyContent.innerHTML = '';

            // 检查是否有任何对话
            const hasAnyConversations = Object.values(conversations).some(group => group && group.length > 0);

            if (!hasAnyConversations) {
                // 显示空状态
                if (historyEmpty) {
                    historyEmpty.style.display = 'block';
                }
                return;
            }

            // 隐藏空状态
            if (historyEmpty) {
                historyEmpty.style.display = 'none';
            }

            // 按时间分组渲染
            const timeGroups = [
                { key: 'today', label: '今天' },
                { key: 'yesterday', label: '昨天' },
                { key: 'week', label: '7天内' },
                { key: 'month', label: '30天内' }
            ];

            timeGroups.forEach(group => {
                const groupConversations = conversations[group.key] || [];
                if (groupConversations.length === 0) return;

                // 创建分组容器
                const groupDiv = document.createElement('div');
                groupDiv.className = 'history-group';

                // 分组标题
                const headerDiv = document.createElement('div');
                headerDiv.className = 'group-header';
                headerDiv.textContent = group.label;

                // 对话列表
                const listDiv = document.createElement('div');
                listDiv.className = 'conversation-list';

                groupConversations.forEach(conv => {
                    const itemDiv = document.createElement('div');
                    itemDiv.className = 'conversation-item';
                    itemDiv.setAttribute('data-conversation-id', conv.conversation_id);
                    itemDiv.setAttribute('data-session-id', conv.session_id || '');

                    // 格式化时间显示
                    const lastMessageTime = conv.last_message_at ? new Date(conv.last_message_at).toLocaleTimeString('zh-CN', {
                        hour: '2-digit',
                        minute: '2-digit'
                    }) : '';

                    itemDiv.innerHTML = `
                        <div class="conversation-content">
                            <div class="conversation-title">${conv.title}</div>
                            <div class="conversation-meta">
                                <span class="message-count">${conv.message_count}条消息</span>
                                ${lastMessageTime ? `<span class="last-time">${lastMessageTime}</span>` : ''}
                            </div>
                        </div>
                        <div class="conversation-status-dot"></div>
                        <button class="conversation-menu" data-conversation-id="${conv.conversation_id}">
                            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                <circle cx="12" cy="12" r="1" fill="currentColor"/>
                                <circle cx="19" cy="12" r="1" fill="currentColor"/>
                                <circle cx="5" cy="12" r="1" fill="currentColor"/>
                            </svg>
                        </button>
                    `;

                    listDiv.appendChild(itemDiv);
                });

                groupDiv.appendChild(headerDiv);
                groupDiv.appendChild(listDiv);
                historyContent.appendChild(groupDiv);
            });

            // 重新绑定事件
            bindConversationEvents();

            // 自动选中对话
            const firstConversationItem = document.querySelector('.conversation-item');
            if (firstConversationItem) {
                const conversationId = firstConversationItem.getAttribute('data-conversation-id');

                if (autoSelectLatest) {
                    // 新对话完成后，选中最新的对话，但不加载内容（保持提示语显示）
                    updateConversationSelection(conversationId);
                    // 不调用 loadConversation，保持提示语显示
                } else if (!window.currentConversationId) {
                    // 页面初始加载时，选中第一个对话
                    updateConversationSelection(conversationId);
                    loadConversation(conversationId);
                }
            }
        }

        function bindConversationEvents() {
            // 重新绑定对话项点击事件
            const conversationItems = document.querySelectorAll('.conversation-item');
            conversationItems.forEach(item => {
                item.addEventListener('click', function (e) {
                    if (e.target.closest('.conversation-menu')) {
                        return;
                    }

                    const conversationId = this.getAttribute('data-conversation-id');
                    const sessionId = this.getAttribute('data-session-id');

                    // 设置当前对话的session_id
                    if (sessionId) {
                        window.currentSessionId = sessionId;
                    }

                    // 设置激活的对话
                    if (typeof setActiveConversation === 'function') {
                        setActiveConversation(conversationId);
                    }

                    loadConversation(conversationId);
                    updateConversationSelection(conversationId);

                    // 移动端关闭侧边栏
                    const isMobile = window.innerWidth <= 768;
                    if (isMobile) {
                        const sidebar = document.getElementById('history-sidebar');
                        const sidebarOverlay = document.getElementById('sidebar-overlay');
                        if (sidebar && sidebarOverlay) {
                            sidebar.classList.remove('show');
                            sidebarOverlay.classList.remove('show');
                            document.body.style.overflow = '';
                        }
                    }
                });
            });

            // 重新绑定对话菜单事件
            const conversationMenus = document.querySelectorAll('.conversation-menu');
            conversationMenus.forEach(menu => {
                menu.addEventListener('click', function (e) {
                    e.stopPropagation();
                    const conversationId = this.getAttribute('data-conversation-id');
                    showConversationMenu(conversationId, this);
                });
            });
        }

        function syncSidebarUserInfo() {
            const userInfo = localStorage.getItem('user_info');
            if (userInfo) {
                try {
                    const user = JSON.parse(userInfo);
                    const sidebarUserName = document.getElementById('sidebar-user-name');
                    const sidebarAvatarImg = document.getElementById('sidebar-avatar-img');
                    const sidebarAvatarFallback = document.getElementById('sidebar-avatar-fallback');

                    if (sidebarUserName) {
                        const displayName = user.nickname || user.name || '用户';
                        sidebarUserName.textContent = displayName;
                    }

                    if (sidebarAvatarImg && user.avatar && user.avatar.trim() !== '') {
                        sidebarAvatarImg.src = user.avatar;
                        sidebarAvatarImg.style.display = 'block';
                        sidebarAvatarFallback.style.display = 'none';
                    } else if (sidebarAvatarFallback) {
                        sidebarAvatarImg.style.display = 'none';
                        sidebarAvatarFallback.style.display = 'flex';
                        const displayName = user.nickname || user.name || 'U';
                        sidebarAvatarFallback.textContent = displayName.charAt(0).toUpperCase();
                    }
                } catch (e) {
                }
            }
        }

        // 编辑消息功能
        let currentEditMessageId = null;
        let currentEditMessageElement = null;
        window.isEditingMessage = false; // 设置为全局变量

        window.editMessage = function (messageId, originalContent) {
            // 如果已经在编辑其他消息，先取消
            if (currentEditMessageElement) {
                cancelEdit();
            }

            currentEditMessageId = messageId;

            // 找到对应的消息元素
            const messageElement = document.querySelector(`[data-message-id="${messageId}"]`);
            if (!messageElement) {
                console.error('找不到消息元素');
                return;
            }

            currentEditMessageElement = messageElement;
            window.isEditingMessage = true; // 设置编辑状态

            // 保存当前滚动位置
            const chatMessages = document.getElementById('chat-messages');
            const currentScrollTop = chatMessages.scrollTop;

            // 解码HTML实体
            const decodedContent = originalContent
                .replace(/&quot;/g, '"')
                .replace(/&#39;/g, "'")
                .replace(/&lt;/g, '<')
                .replace(/&gt;/g, '>')
                .replace(/&amp;/g, '&');

            // 创建编辑表单
            const editForm = document.createElement('div');
            editForm.className = 'edit-form';
            editForm.innerHTML = `
                <textarea class="edit-textarea" placeholder="请输入消息内容...">${decodedContent}</textarea>
                <div class="edit-actions">
                    <button class="edit-cancel-btn" onclick="cancelEdit()">取消</button>
                    <button class="edit-send-btn" onclick="confirmEdit()">发送</button>
                </div>
            `;

            // 隐藏原始消息内容，显示编辑表单
            const messageContent = messageElement.querySelector('.message-content');
            if (messageContent) {
                messageContent.style.display = 'none';
            }

            // 隐藏编辑按钮
            const editButton = messageElement.querySelector('.edit-button');
            if (editButton) {
                editButton.style.display = 'none';
            }

            // 添加编辑表单到消息元素
            messageElement.appendChild(editForm);
            messageElement.classList.add('message-editing');

            // 恢复滚动位置
            chatMessages.scrollTop = currentScrollTop;

            // 聚焦到文本域
            const textarea = editForm.querySelector('.edit-textarea');
            if (textarea) {
                textarea.focus();
                textarea.select();

                // 绑定键盘事件：Enter 发送（Shift+Enter 换行），Esc 取消
                textarea.onkeydown = function (e) {
                    if (e.key === 'Enter') {
                        if (e.shiftKey || e.ctrlKey || e.metaKey || e.altKey || e.isComposing) {
                            return; // 保留换行/组合键
                        }
                        e.preventDefault();
                        confirmEdit();
                    } else if (e.key === 'Escape') {
                        cancelEdit();
                    }
                };
            }
        }

        function cancelEdit() {
            if (currentEditMessageElement) {
                // 保存当前滚动位置
                const chatMessages = document.getElementById('chat-messages');
                const currentScrollTop = chatMessages.scrollTop;

                // 恢复原始消息内容
                const messageContent = currentEditMessageElement.querySelector('.message-content');
                if (messageContent) {
                    messageContent.style.display = 'block';
                }

                // 显示编辑按钮
                const editButton = currentEditMessageElement.querySelector('.edit-button');
                if (editButton) {
                    editButton.style.display = 'flex';
                }

                // 移除编辑表单
                const editForm = currentEditMessageElement.querySelector('.edit-form');
                if (editForm) {
                    editForm.remove();
                }

                currentEditMessageElement.classList.remove('message-editing');

                // 先恢复滚动位置，再清除编辑状态
                chatMessages.scrollTop = currentScrollTop;

                // 延迟清除编辑状态，确保DOM变化不会触发滚动
                setTimeout(() => {
                    currentEditMessageElement = null;
                    currentEditMessageId = null;
                    window.isEditingMessage = false;
                }, 150);
            }
        }

        function confirmEdit() {
            if (!currentEditMessageElement || !currentEditMessageId) {
                return;
            }

            const editForm = currentEditMessageElement.querySelector('.edit-form');
            const textarea = editForm.querySelector('.edit-textarea');
            const sendBtn = editForm.querySelector('.edit-send-btn');

            if (!textarea || !sendBtn) {
                return;
            }

            const newContent = textarea.value.trim();
            if (!newContent) {
                showMessage('消息内容不能为空', 'warning');
                return;
            }

            // 显示加载状态
            const originalText = sendBtn.textContent;
            sendBtn.textContent = '发送中...';
            sendBtn.disabled = true;

            // 调用后端API编辑消息
            performEditMessage(currentEditMessageId, newContent);
        }

        function performEditMessage(messageId, newContent) {
            // 检查认证状态
            const token = localStorage.getItem('auth_token');
            if (!token) {
                redirectToLogin();
                return;
            }

            // 设置输入框为加载状态
            const userInput = document.getElementById('user-input');
            const sendButton = document.getElementById('send-btn');

            if (userInput && sendButton) {
                userInput.classList.add('input-loading');
                userInput.placeholder = '正在重新生成回复...';
                userInput.disabled = true;
                sendButton.innerHTML = `
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                        <rect x="6" y="6" width="12" height="12" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                    </svg>`;
                sendButton.classList.add('stopping');
            }

            // 隐藏编辑表单
            if (currentEditMessageElement) {
                const editForm = currentEditMessageElement.querySelector('.edit-form');
                if (editForm) {
                    editForm.style.display = 'none';
                }
            }

            // ===== 立即隐藏将被删除的消息（编辑的消息及其之后的所有消息） =====
            const editMessageElement = currentEditMessageElement;
            const chatMessages = document.getElementById('chat-messages');
            let messagesToHide = [];
            if (editMessageElement && chatMessages) {
                let foundEditMessage = false;
                const allMessages = Array.from(chatMessages.querySelectorAll('.message'));
                allMessages.forEach(msg => {
                    if (msg === editMessageElement) {
                        foundEditMessage = true;
                        messagesToHide.push(msg);
                        // 立即隐藏消息（但保留DOM元素，后续再删除）
                        msg.style.display = 'none';
                    } else if (foundEditMessage) {
                        messagesToHide.push(msg);
                        // 立即隐藏消息
                        msg.style.display = 'none';
                    }
                });
            }

            // 创建新的用户消息显示（立即显示编辑后的内容）
            function createNewUserMessageImmediately() {
                const chatMessages = document.getElementById('chat-messages');
                if (!chatMessages) return null;

                const newUserMessageElement = document.createElement('div');
                newUserMessageElement.className = 'message user';

                const contentElement = document.createElement('div');
                contentElement.className = 'message-content';
                contentElement.textContent = newContent;

                newUserMessageElement.appendChild(contentElement);

                // 重新对话添加编辑按钮
                if (typeof messageId !== 'undefined' && messageId !== null) {
                    const editButton = document.createElement('button');
                    editButton.className = 'edit-button';
                    editButton.setAttribute('title', '编辑消息');
                    editButton.innerHTML = `<svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>`;
                    editButton.onclick = function () {
                        if (typeof window.editMessage === 'function') window.editMessage(messageId, newContent);
                    };
                    newUserMessageElement.appendChild(editButton);
                    newUserMessageElement.setAttribute('data-message-id', messageId);
                }

                chatMessages.appendChild(newUserMessageElement);

                // 确保消息立即可见
                newUserMessageElement.style.opacity = '1';
                newUserMessageElement.style.transform = 'translateY(0)';

                return newUserMessageElement;
            }

            // 立即创建并显示新的用户消息
            const newUserMessageElement = createNewUserMessageImmediately();

            // ===== 初始化对话状态（参考正常发送消息的逻辑） =====
            const conversationId = window.currentConversationId || 'new';

            // 初始化对话状态（如果不存在）
            if (typeof window.initializeConversationState === 'function') {
                window.initializeConversationState(conversationId);
            }

            // 获取或创建对话状态
            const conversationStates = window.conversationStates || new Map();
            const state = conversationStates.get(conversationId) || {
                isStreaming: false,
                isPaused: false,
                currentMessage: '',
                currentThoughts: [],
                messageElement: null,
                thoughtContainer: null,
                abortController: null,
                lastUpdateTime: Date.now(),
                isVisible: false,
                userMessages: []
            };

            // 重置流式响应状态
            state.isStreaming = true;
            state.isPaused = false;
            state.currentMessage = '';
            state.currentThoughts = [];
            state.lastUpdateTime = Date.now();
            state.isVisible = true;

            // 保存用户消息到状态
            if (!state.userMessages) {
                state.userMessages = [];
            }
            state.userMessages.push({
                content: newContent,
                timestamp: new Date(),
                element: newUserMessageElement,
                messageId: messageId
            });

            // 更新状态映射
            conversationStates.set(conversationId, state);
            window.conversationStates = conversationStates;

            // 更新侧边栏状态
            if (typeof window.updateConversationItemStatus === 'function') {
                window.updateConversationItemStatus(conversationId, 'streaming');
            }

            // ===== 创建AbortController用于取消请求（必须在fetch之前） =====
            state.abortController = new AbortController();
            conversationStates.set(conversationId, state);

            // 调用后端API编辑消息（流式响应）
            fetch(`/api/messages/${messageId}/edit`, {
                method: 'POST',
                headers: {
                    'Authorization': `Bearer ${token}`,
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    content: newContent,
                    conversation_id: window.currentConversationId,
                    agent: localStorage.getItem('current_agent') || 'planning'
                }),
                signal: state.abortController.signal
            })
                .then(response => {
                    if (response.status === 401) {
                        // 恢复UI状态
                        if (userInput && sendButton) {
                            userInput.classList.remove('input-loading');
                            userInput.placeholder = '请输入需要撰写的品类名和要求...';
                            userInput.disabled = false;
                            sendButton.innerHTML = `
                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                    <path d="M22 2L11 13M22 2L15 22L11 13M11 13L2 9L22 2" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                                </svg>`;
                            sendButton.classList.remove('stopping');
                        }
                        currentEditMessageElement = null;
                        currentEditMessageId = null;
                        window.isEditingMessage = false;
                        redirectToLogin();
                        return;
                    }

                    if (!response.ok) {
                        throw new Error(`HTTP error! Status: ${response.status}`);
                    }

                    // 使用流式读取器处理SSE响应
                    const reader = response.body.getReader();
                    const decoder = new TextDecoder();
                    let buffer = '';

                    // 用于实时渲染的变量（保存到state中，便于切换对话时恢复）
                    let fullMessage = '';
                    let allThoughts = [];
                    let thoughtContainer = null;
                    let thoughtContent = null;
                    let contentContainer = null;
                    let messageDiv = null;
                    // newUserMessageElement 已经在前面创建了
                    let lastRenderTime = 0;
                    const RENDER_INTERVAL = 16;

                    // 创建AI回复消息容器
                    function createBotMessageContainer() {
                        if (messageDiv) return messageDiv;

                        messageDiv = document.createElement('div');
                        messageDiv.className = 'message bot';

                        // 添加对话ID标识，便于后续管理
                        messageDiv.setAttribute('data-conversation-id', conversationId);

                        // 创建思考过程容器
                        thoughtContainer = document.createElement('div');
                        thoughtContainer.className = 'thought-container';

                        const thoughtToggleBtn = document.createElement('button');
                        thoughtToggleBtn.className = 'thought-toggle-btn';
                        thoughtToggleBtn.innerHTML = '<span class="toggle-icon"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M18 15L12 9L6 15" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg></span>';
                        thoughtToggleBtn.title = '收起/展开思考过程';
                        thoughtToggleBtn.onclick = function (e) {
                            e.stopPropagation();
                            thoughtContainer.classList.toggle('collapsed');
                            const icon = thoughtToggleBtn.querySelector('.toggle-icon');
                            if (thoughtContainer.classList.contains('collapsed')) {
                                icon.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 9L12 15L18 9" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>';
                            } else {
                                icon.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M18 15L12 9L6 15" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>';
                            }
                        };
                        thoughtContainer.appendChild(thoughtToggleBtn);

                        thoughtContent = document.createElement('div');
                        thoughtContent.className = 'thought-content';
                        thoughtContainer.appendChild(thoughtContent);

                        messageDiv.appendChild(thoughtContainer);

                        const chatMessages = document.getElementById('chat-messages');
                        if (chatMessages) {
                            chatMessages.appendChild(messageDiv);
                        }

                        // ===== 保存到对话状态（关键！） =====
                        state.messageElement = messageDiv;
                        state.thoughtContainer = thoughtContainer;
                        conversationStates.set(conversationId, state);

                        // 确保消息元素可见
                        messageDiv.style.opacity = '1';
                        messageDiv.style.transform = 'translateY(0)';

                        return messageDiv;
                    }

                    function readStream() {
                        reader.read().then(({ done, value }) => {
                            if (done) {
                                // 流式响应完成
                                state.isStreaming = false;
                                if (typeof window.updateConversationItemStatus === 'function') {
                                    window.updateConversationItemStatus(conversationId, 'stopped');
                                }
                                conversationStates.set(conversationId, state);
                                updateUIOnComplete();
                                return;
                            }

                            const chunk = decoder.decode(value, { stream: true });
                            buffer += chunk;

                            const lines = buffer.split('\n\n');
                            buffer = lines.pop() || '';

                            lines.forEach(line => {
                                if (line.startsWith('data: ')) {
                                    try {
                                        const eventData = JSON.parse(line.substring(6));
                                        handleEditEventData(eventData);
                                    } catch (error) {
                                        console.error('解析SSE数据失败:', error);
                                    }
                                }
                            });

                            // 无论是否暂停，都继续读取流数据
                            readStream();
                        }).catch(error => {
                            if (!state.isPaused) {
                                console.error('读取流数据失败:', error);
                                showMessage('编辑消息时发生错误: ' + error.message, 'error');
                            }
                            state.isStreaming = false;
                            if (typeof window.updateConversationItemStatus === 'function') {
                                window.updateConversationItemStatus(conversationId, 'stopped');
                            }
                            conversationStates.set(conversationId, state);
                            updateUIOnError();
                        });
                    }

                    function handleEditEventData(data) {
                        // 更新最后更新时间
                        state.lastUpdateTime = Date.now();

                        if (!data.success) {
                            showMessage('编辑消息失败: ' + (data.error || '未知错误'), 'error');
                            state.isStreaming = false;
                            if (typeof window.updateConversationItemStatus === 'function') {
                                window.updateConversationItemStatus(conversationId, 'stopped');
                            }
                            updateUIOnError();
                            return;
                        }

                        if (data.thought) {
                            // AI回复容器已存在或需要创建
                            allThoughts.push(data.thought);
                            // ===== 保存思考过程到状态 =====
                            state.currentThoughts = allThoughts;

                            createBotMessageContainer();
                            if (thoughtContent) {
                                const combinedThoughts = allThoughts.join('');
                                if (typeof window.renderThoughts === 'function') {
                                    thoughtContent.innerHTML = window.renderThoughts(combinedThoughts);
                                } else {
                                    thoughtContent.textContent = combinedThoughts;
                                }
                                // 更新状态
                                conversationStates.set(conversationId, state);
                                forceScrollToBottom();
                            }
                            return;
                        }

                        if (data.chunk) {
                            // AI回复容器已存在或需要创建
                            fullMessage += data.chunk;
                            // ===== 保存消息内容到状态 =====
                            state.currentMessage = fullMessage;

                            createBotMessageContainer();

                            if (!contentContainer) {
                                contentContainer = document.createElement('div');
                                contentContainer.className = 'message-content typing';
                                messageDiv.appendChild(contentContainer);
                            }

                            const now = performance.now();
                            if (now - lastRenderTime >= RENDER_INTERVAL) {
                                requestAnimationFrame(() => {
                                    if (contentContainer) {
                                        if (typeof window.renderMarkdown === 'function') {
                                            contentContainer.innerHTML = window.renderMarkdown(fullMessage);
                                            if (typeof window.applyCodeHighlighting === 'function') {
                                                window.applyCodeHighlighting(contentContainer);
                                            }
                                        } else {
                                            contentContainer.textContent = fullMessage;
                                        }
                                        // 更新状态
                                        conversationStates.set(conversationId, state);
                                        if (isUserNearBottom()) {
                                            forceScrollToBottom();
                                        }
                                    }
                                });
                                lastRenderTime = now;
                            }
                        }

                        if (data.session_id) {
                            window.currentSessionId = data.session_id;
                        }

                        if (data.done) {
                            if (contentContainer) {
                                contentContainer.classList.remove('typing');
                                if (typeof window.renderMarkdown === 'function') {
                                    contentContainer.innerHTML = window.renderMarkdown(fullMessage);
                                    if (typeof window.applyCodeHighlighting === 'function') {
                                        window.applyCodeHighlighting(contentContainer);
                                    }
                                } else {
                                    contentContainer.textContent = fullMessage;
                                }
                            }

                            // ===== 标记流式响应完成，但保留状态 =====
                            state.isStreaming = false;
                            state.currentMessage = fullMessage;
                            state.currentThoughts = allThoughts;
                            conversationStates.set(conversationId, state);

                            if (typeof window.updateConversationItemStatus === 'function') {
                                window.updateConversationItemStatus(conversationId, 'stopped');
                            }

                            updateUIOnComplete();
                        }
                    }

                    function updateUIOnComplete() {
                        // 删除旧的消息元素（被编辑的消息及其后的所有消息）
                        // 使用chat-messages容器来查找并删除所有相关消息
                        const chatMessages = document.getElementById('chat-messages');
                        if (chatMessages && editMessageElement) {
                            // 获取所有消息元素
                            const allMessages = Array.from(chatMessages.querySelectorAll('.message'));
                            let foundEditMessage = false;

                            allMessages.forEach(msg => {
                                // 找到被编辑的消息
                                if (msg === editMessageElement) {
                                    foundEditMessage = true;
                                    // 删除编辑表单
                                    const editForm = msg.querySelector('.edit-form');
                                    if (editForm) {
                                        editForm.remove();
                                    }
                                    msg.classList.remove('message-editing');
                                    // 删除整个消息元素（除了新创建的用户消息和AI回复）
                                    if (msg && msg.parentNode && msg !== messageDiv && msg !== newUserMessageElement) {
                                        msg.remove();
                                    }
                                } else if (foundEditMessage) {
                                    // 删除被编辑消息之后的所有消息（除了新创建的用户消息和AI回复）
                                    if (msg && msg.parentNode && msg !== messageDiv && msg !== newUserMessageElement) {
                                        msg.remove();
                                    }
                                }
                            });
                        }

                        // 如果editMessageElement还存在但没有被删除，手动删除它
                        if (editMessageElement && editMessageElement.parentNode) {
                            editMessageElement.remove();
                        }

                        currentEditMessageElement = null;
                        currentEditMessageId = null;
                        window.isEditingMessage = false;

                        if (userInput && sendButton) {
                            userInput.classList.remove('input-loading');
                            userInput.placeholder = '请输入需要撰写的品类名和要求...';
                            userInput.disabled = false;
                            sendButton.innerHTML = `
                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                    <path d="M22 2L11 13M22 2L15 22L11 13M11 13L2 9L22 2" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                                </svg>`;
                            sendButton.classList.remove('stopping');
                        }

                        // 只刷新侧边栏的对话列表，不重新加载消息（避免旧消息重新出现）
                        if (window.currentConversationId && typeof loadConversationHistory === 'function') {
                            setTimeout(() => {
                                loadConversationHistory(false); // 只更新侧边栏，不重新加载消息
                            }, 300);
                        }

                        // 为新创建的消息添加复制按钮
                        if (typeof window.setupCopyButtons === 'function') {
                            window.setupCopyButtons();
                        }

                        forceScrollToBottom();
                    }

                    function updateUIOnError() {
                        if (currentEditMessageElement) {
                            const sendBtn = currentEditMessageElement.querySelector('.edit-send-btn');
                            if (sendBtn) {
                                sendBtn.textContent = '发送';
                                sendBtn.disabled = false;
                            }
                        }

                        if (userInput && sendButton) {
                            userInput.classList.remove('input-loading');
                            userInput.placeholder = '请输入需要撰写的品类名和要求...';
                            userInput.disabled = false;
                            sendButton.innerHTML = `
                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                    <path d="M22 2L11 13M22 2L15 22L11 13M11 13L2 9L22 2" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                                </svg>`;
                            sendButton.classList.remove('stopping');
                        }

                        currentEditMessageElement = null;
                        currentEditMessageId = null;
                        window.isEditingMessage = false;
                    }

                    function forceScrollToBottom() {
                        const chatMessages = document.getElementById('chat-messages');
                        if (chatMessages) {
                            chatMessages.scrollTop = chatMessages.scrollHeight;
                        }
                    }

                    function isUserNearBottom() {
                        const chatMessages = document.getElementById('chat-messages');
                        if (!chatMessages) return true;
                        const scrollThreshold = 50;
                        return chatMessages.scrollHeight - chatMessages.scrollTop - chatMessages.clientHeight < scrollThreshold;
                    }

                    readStream();
                })
                .catch(error => {
                    // 确保在错误时也更新状态
                    if (error.name !== 'AbortError') {
                        state.isStreaming = false;
                        if (typeof window.updateConversationItemStatus === 'function') {
                            window.updateConversationItemStatus(conversationId, 'stopped');
                        }
                        conversationStates.set(conversationId, state);
                    }

                    console.error('编辑消息时发生错误:', error);
                    showMessage('编辑消息时发生错误: ' + error.message, 'error');

                    // 恢复UI状态
                    if (currentEditMessageElement) {
                        const sendBtn = currentEditMessageElement.querySelector('.edit-send-btn');
                        if (sendBtn) {
                            sendBtn.textContent = '发送';
                            sendBtn.disabled = false;
                        }
                    }

                    if (userInput && sendButton) {
                        userInput.classList.remove('input-loading');
                        userInput.placeholder = '请输入需要撰写的品类名和要求...';
                        userInput.disabled = false;
                        sendButton.innerHTML = `
                            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                <path d="M22 2L11 13M22 2L15 22L11 13M11 13L2 9L22 2" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                            </svg>`;
                        sendButton.classList.remove('stopping');
                    }

                    currentEditMessageElement = null;
                    currentEditMessageId = null;
                    window.isEditingMessage = false;
                });
        }
    </script>
</body>

</html>