// 对话历史模块
Object.assign(TSPDashboard.prototype, {
    async loadConversationTenantList() {
        this.conversationCurrentTenantId = null;
        this.renderConversationBreadcrumb(null);

        // 加载全局统计
        this.loadConversationStats(null);

        // 显示租户列表容器，隐藏详情容器
        const tenantListEl = document.getElementById('conversation-tenant-list');
        const tenantDetailEl = document.getElementById('conversation-tenant-detail');

        if (tenantListEl) tenantListEl.style.display = '';
        if (tenantDetailEl) tenantDetailEl.style.display = 'none';

        // 显示加载中 spinner
        if (tenantListEl) {
            tenantListEl.innerHTML = '<div class="col-12 text-center py-4"><i class="fas fa-spinner fa-spin fa-2x"></i><p class="mt-2 text-muted">加载中...</p></div>';
        }

        try {
            const response = await fetch('/api/conversations/tenants');
            const tenants = await response.json();

            if (!Array.isArray(tenants) || tenants.length === 0) {
                if (tenantListEl) {
                    tenantListEl.innerHTML = '<div class="col-12 text-center py-4"><i class="fas fa-comments fa-2x text-muted"></i><p class="mt-2 text-muted">暂无对话会话数据</p></div>';
                }
                return;
            }

            const cardsHtml = tenants.map(t => {
                const lastActive = t.last_active_time ? new Date(t.last_active_time).toLocaleString() : '无';
                return `
                <div class="col-md-4 col-sm-6 mb-3">
                    <div class="card h-100 shadow-sm" style="cursor:pointer" onclick="dashboard.loadConversationTenantDetail('${t.tenant_id}')">
                        <div class="card-body">
                            <h6 class="card-title"><i class="fas fa-building me-2"></i>${t.tenant_id}</h6>
                            <div class="d-flex justify-content-between mt-3">
                                <div>
                                    <small class="text-muted">会话总数</small>
                                    <h5 class="mb-0">${t.session_count}</h5>
                                </div>
                                <div>
                                    <small class="text-muted">消息总数</small>
                                    <h5 class="mb-0">${t.message_count}</h5>
                                </div>
                                <div>
                                    <small class="text-muted">活跃会话</small>
                                    <h5 class="mb-0 text-success">${t.active_session_count}</h5>
                                </div>
                            </div>
                            <div class="mt-3">
                                <small class="text-muted"><i class="fas fa-clock me-1"></i>最近活跃: ${lastActive}</small>
                            </div>
                        </div>
                    </div>
                </div>
                `;
            }).join('');

            if (tenantListEl) {
                tenantListEl.innerHTML = cardsHtml;
            }
        } catch (error) {
            console.error('加载对话租户列表失败:', error);
            if (tenantListEl) {
                tenantListEl.innerHTML = '<div class="col-12 text-center py-4 text-danger"><i class="fas fa-exclamation-triangle"></i> 加载失败</div>';
            }
            this.showNotification('加载对话租户列表失败', 'error');
        }
    },

    // Task 7.1: 加载对话历史租户详情视图
    async loadConversationTenantDetail(tenantId, page = 1) {
        this.conversationCurrentTenantId = tenantId;
        this.paginationConfig.currentConversationPage = page;

        // 隐藏租户列表，显示详情容器
        const tenantListEl = document.getElementById('conversation-tenant-list');
        const tenantDetailEl = document.getElementById('conversation-tenant-detail');

        if (tenantListEl) tenantListEl.style.display = 'none';
        if (tenantDetailEl) tenantDetailEl.style.display = '';

        // 渲染面包屑（如果 renderConversationBreadcrumb 已实现）
        if (typeof this.renderConversationBreadcrumb === 'function') {
            this.renderConversationBreadcrumb(tenantId);
        }

        // 加载租户级统计（如果 loadConversationStats 已实现）
        if (typeof this.loadConversationStats === 'function') {
            this.loadConversationStats(tenantId);
        }

        // 显示加载中 spinner
        const sessionListEl = document.getElementById('conversation-session-list');
        if (sessionListEl) {
            sessionListEl.innerHTML = '<div class="text-center py-4"><i class="fas fa-spinner fa-spin fa-2x"></i><p class="mt-2 text-muted">加载中...</p></div>';
        }

        try {
            const perPage = this.getPageSize('conversation-session-pagination');
            const statusFilter = document.getElementById('conversation-status-filter')?.value || '';
            const dateFilter = document.getElementById('conversation-detail-date-filter')?.value || '';

            let url = `/api/conversations/sessions?tenant_id=${encodeURIComponent(tenantId)}&page=${page}&per_page=${perPage}`;
            if (statusFilter) url += `&status=${encodeURIComponent(statusFilter)}`;
            if (dateFilter) url += `&date_filter=${encodeURIComponent(dateFilter)}`;

            const response = await fetch(url);
            const data = await response.json();

            if (data.sessions) {
                this.renderConversationSessionTable(data.sessions, tenantId);
                this.updateConversationTenantPagination(data);
            } else {
                if (sessionListEl) {
                    sessionListEl.innerHTML = '<div class="text-center py-4"><i class="fas fa-comments fa-2x text-muted"></i><p class="mt-2 text-muted">暂无会话数据</p></div>';
                }
            }
        } catch (error) {
            console.error('加载租户会话列表失败:', error);
            if (sessionListEl) {
                sessionListEl.innerHTML = '<div class="text-center py-4 text-danger"><i class="fas fa-exclamation-triangle"></i> 加载失败</div>';
            }
            this.showNotification('加载租户会话列表失败', 'error');
        }
    },

    // Task 7.1: 渲染会话表格
    renderConversationSessionTable(sessions, tenantId) {
        const sessionListEl = document.getElementById('conversation-session-list');
        if (!sessionListEl) return;

        if (!sessions || sessions.length === 0) {
            sessionListEl.innerHTML = '<div class="text-center py-4"><i class="fas fa-comments fa-2x text-muted"></i><p class="mt-2 text-muted">暂无会话数据</p></div>';
            return;
        }

        const statusBadge = (status) => {
            if (status === 'active') return '<span class="badge bg-success">活跃</span>';
            if (status === 'ended') return '<span class="badge bg-secondary">已结束</span>';
            return `<span class="badge bg-info">${status || '未知'}</span>`;
        };

        const sourceBadge = (source) => {
            if (source === 'feishu') return '<span class="badge bg-purple">飞书</span>';
            if (source === 'websocket') return '<span class="badge bg-blue">WebSocket</span>';
            if (source === 'api') return '<span class="badge bg-indigo">API</span>';
            return `<span class="badge bg-secondary">${source || '未知'}</span>`;
        };

        const formatTime = (isoStr) => {
            if (!isoStr) return '-';
            return new Date(isoStr).toLocaleString();
        };

        const rowsHtml = sessions.map(s => `
            <tr style="cursor:pointer" onclick="dashboard.viewSessionMessages('${s.session_id}', '${(s.title || '').replace(/'/g, "\\'")}')">
                <td>${s.title || s.session_id || '-'}</td>
                <td class="text-center">${s.message_count || 0}</td>
                <td class="text-center">${statusBadge(s.status)}</td>
                <td class="text-center">${sourceBadge(s.source)}</td>
                <td>${formatTime(s.created_at)}</td>
                <td>${formatTime(s.updated_at)}</td>
                <td class="text-center" onclick="event.stopPropagation()">
                    <button class="btn btn-outline-danger btn-sm" onclick="dashboard.deleteConversationSession('${s.session_id}')">
                        <i class="fas fa-trash"></i>
                    </button>
                </td>
            </tr>
        `).join('');

        sessionListEl.innerHTML = `
            <div class="table-responsive">
                <table class="table table-hover table-striped mb-0">
                    <thead>
                        <tr>
                            <th>会话标题</th>
                            <th class="text-center">消息数</th>
                            <th class="text-center">状态</th>
                            <th class="text-center">来源</th>
                            <th>创建时间</th>
                            <th>更新时间</th>
                            <th class="text-center">操作</th>
                        </tr>
                    </thead>
                    <tbody>
                        ${rowsHtml}
                    </tbody>
                </table>
            </div>
        `;
    },

    // Task 7.1: 查看会话消息详情
    async viewSessionMessages(sessionId, sessionTitle) {
        try {
            const response = await fetch(`/api/conversations/sessions/${encodeURIComponent(sessionId)}`);
            const data = await response.json();

            if (data.success && data.messages) {
                // 更新面包屑到第三层（如果已实现）
                if (typeof this.renderConversationBreadcrumb === 'function') {
                    this.renderConversationBreadcrumb(this.conversationCurrentTenantId, sessionTitle || sessionId);
                }
                this.showSessionMessagesModal(data.session, data.messages);
            } else {
                throw new Error(data.error || '获取会话消息失败');
            }
        } catch (error) {
            console.error('获取会话消息失败:', error);
            this.showNotification('获取会话消息失败: ' + error.message, 'error');
        }
    },

    // Task 7.1: 显示会话消息模态框
    showSessionMessagesModal(session, messages) {
        const messagesHtml = messages.map(msg => `
            <div class="mb-3 p-3 border rounded">
                <div class="mb-2">
                    <strong class="text-primary"><i class="fas fa-user me-1"></i>用户:</strong>
                    <div class="mt-1">${msg.user_message || ''}</div>
                </div>
                <div>
                    <strong class="text-success"><i class="fas fa-robot me-1"></i>助手:</strong>
                    <div class="mt-1">${msg.assistant_response || ''}</div>
                </div>
                <div class="mt-2 text-muted">
                    <small>
                        ${msg.timestamp ? new Date(msg.timestamp).toLocaleString() : ''}
                        ${msg.response_time ? ` | 响应: ${msg.response_time}s` : ''}
                        ${msg.confidence_score ? ` | 置信度: ${Math.round(msg.confidence_score * 100)}%` : ''}
                    </small>
                </div>
            </div>
        `).join('');

        const modalHtml = `
            <div class="modal fade" id="sessionMessagesModal" tabindex="-1">
                <div class="modal-dialog modal-lg modal-dialog-scrollable">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title"><i class="fas fa-comments me-2"></i>${session?.title || session?.session_id || '会话详情'}</h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                        </div>
                        <div class="modal-body">
                            <div class="mb-3 text-muted">
                                <small>
                                    会话ID: ${session?.session_id || '-'} |
                                    消息数: ${session?.message_count || 0} |
                                    状态: ${session?.status || '-'} |
                                    来源: ${session?.source || '-'}
                                </small>
                            </div>
                            ${messages.length > 0 ? messagesHtml : '<div class="text-center text-muted py-3">暂无消息记录</div>'}
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                        </div>
                    </div>
                </div>
            </div>
        `;

        // 移除已存在的模态框
        const existingModal = document.getElementById('sessionMessagesModal');
        if (existingModal) existingModal.remove();

        document.body.insertAdjacentHTML('beforeend', modalHtml);
        const modal = new bootstrap.Modal(document.getElementById('sessionMessagesModal'));
        modal.show();

        // 模态框关闭后清理
        document.getElementById('sessionMessagesModal').addEventListener('hidden.bs.modal', function () {
            this.remove();
        });
    },

    // Task 7.1: 对话租户详情分页
    updateConversationTenantPagination(data) {
        this.createPaginationComponent(data, 'conversation-session-pagination', 'loadConversationTenantDetailPage', '条会话');
    },

    // Task 7.2: 面包屑导航
    renderConversationBreadcrumb(tenantId, sessionTitle) {
        const breadcrumbEl = document.getElementById('conversation-breadcrumb');
        if (!breadcrumbEl) return;

        if (!tenantId) {
            breadcrumbEl.innerHTML = '';
            return;
        }

        if (!sessionTitle) {
            // 租户详情视图: "对话历史 > {tenant_id}"
            breadcrumbEl.innerHTML = `
                <nav aria-label="breadcrumb">
                    <ol class="breadcrumb mb-0">
                        <li class="breadcrumb-item"><a href="#" onclick="dashboard.loadConversationTenantList(); return false;"><i class="fas fa-history me-1"></i>对话历史</a></li>
                        <li class="breadcrumb-item active" aria-current="page">${tenantId}</li>
                    </ol>
                </nav>
            `;
        } else {
            // 消息详情视图: "对话历史 > {tenant_id} > {session_title}"
            breadcrumbEl.innerHTML = `
                <nav aria-label="breadcrumb">
                    <ol class="breadcrumb mb-0">
                        <li class="breadcrumb-item"><a href="#" onclick="dashboard.loadConversationTenantList(); return false;"><i class="fas fa-history me-1"></i>对话历史</a></li>
                        <li class="breadcrumb-item"><a href="#" onclick="dashboard.loadConversationTenantDetail('${tenantId}'); return false;">${tenantId}</a></li>
                        <li class="breadcrumb-item active" aria-current="page">${sessionTitle}</li>
                    </ol>
                </nav>
            `;
        }

        this.conversationCurrentTenantId = tenantId;
    },

    // Task 7.1: 应用对话筛选条件
    applyConversationFilters() {
        if (this.conversationCurrentTenantId) {
            this.loadConversationTenantDetail(this.conversationCurrentTenantId, 1);
        }
    },

    // Task 7.3: 删除会话并处理空租户自动返回
    async deleteConversationSession(sessionId) {
        if (!confirm('确定要删除这个会话及其所有消息吗？')) return;
        try {
            const response = await fetch(`/api/conversations/sessions/${encodeURIComponent(sessionId)}`, { method: 'DELETE' });
            const data = await response.json();
            if (data.success) {
                this.showNotification('会话已删除', 'success');
                // 刷新当前租户详情视图并检查是否还有剩余会话
                if (this.conversationCurrentTenantId) {
                    const tenantId = this.conversationCurrentTenantId;
                    const perPage = this.getPageSize('conversation-session-pagination');
                    const checkUrl = `/api/conversations/sessions?tenant_id=${encodeURIComponent(tenantId)}&page=1&per_page=${perPage}`;
                    const checkResp = await fetch(checkUrl);
                    const checkData = await checkResp.json();

                    if (!checkData.sessions || checkData.sessions.length === 0 || checkData.total === 0) {
                        // 该租户下已无会话，自动返回租户列表视图
                        this.loadConversationTenantList();
                    } else {
                        // 仍有会话，刷新当前详情视图（调整页码避免越界）
                        const maxPage = checkData.total_pages || 1;
                        const currentPage = Math.min(this.paginationConfig.currentConversationPage, maxPage);
                        await this.loadConversationTenantDetail(tenantId, currentPage);
                    }
                }
            } else {
                throw new Error(data.error || '删除失败');
            }
        } catch (error) {
            console.error('删除会话失败:', error);
            this.showNotification('删除会话失败: ' + error.message, 'error');
        }
    },

    // 对话历史管理
    async loadConversationHistory(page = 1) {
        try {
            const pageSize = this.getPageSize('conversations-pagination');
            const response = await fetch(`/api/conversations?page=${page}&per_page=${pageSize}`);
            const data = await response.json();
            
            if (data.conversations) {
                this.renderConversationList(data.conversations || []);
                this.updateConversationPagination(data);
                this.updateConversationStats(data.stats || {});
            } else {
                throw new Error(data.error || '加载对话历史失败');
            }
        } catch (error) {
            console.error('加载对话历史失败:', error);
            this.showNotification('加载对话历史失败: ' + error.message, 'error');
        }
    },

    renderConversationList(conversations) {
        const container = document.getElementById('conversation-list');
        if (!conversations || conversations.length === 0) {
            container.innerHTML = `
                <div class="empty-state">
                    <i class="fas fa-comments"></i>
                    <p>暂无对话记录</p>
                </div>
            `;
            return;
        }

        const html = conversations.map(conv => {
            // 识别来源和类型
            let sourceBadge = '';
            const method = conv.invocation_method || '';
            const userId = conv.user_id || '';

            // 判断是否来自飞书 (根据调用方式或ID格式)
            if (method.includes('feishu') || userId.startsWith('ou_')) {
                sourceBadge = '<span class="badge bg-purple me-1">飞书</span>';
            } else {
                sourceBadge = '<span class="badge bg-blue me-1">Web</span>';
            }

            // 判断群聊/私聊
            let typeBadge = '';
            if (method.includes('group')) {
                typeBadge = '<span class="badge bg-azure me-1">群聊</span>';
            } else if (method.includes('p2p')) {
                typeBadge = '<span class="badge bg-indigo me-1">私聊</span>';
            }

            return `
            <div class="card mb-3 conversation-item" data-conversation-id="${conv.id}">
                <div class="card-body">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <div>
                            <h6 class="mb-1" style="font-family: var(--font-family-primary); font-weight: 600;">
                                ${sourceBadge}
                                ${typeBadge}
                                用户: ${userId || '匿名'}
                            </h6>
                            <small class="text-muted">${new Date(conv.timestamp).toLocaleString()}</small>
                        </div>
                        <div class="btn-group btn-group-sm">
                            <button class="btn btn-outline-primary" onclick="dashboard.viewConversation(${conv.id})">
                                <i class="fas fa-eye"></i>
                            </button>
                            <button class="btn btn-outline-danger" onclick="dashboard.deleteConversation(${conv.id})">
                                <i class="fas fa-trash"></i>
                            </button>
                        </div>
                    </div>
                    <div class="conversation-preview">
                        <p class="mb-1"><strong>用户:</strong> ${conv.user_message?.substring(0, 100)}${conv.user_message?.length > 100 ? '...' : ''}</p>
                        <p class="mb-0"><strong>助手:</strong> ${conv.assistant_response?.substring(0, 100)}${conv.assistant_response?.length > 100 ? '...' : ''}</p>
                    </div>
                    <div class="mt-2">
                        <span class="badge bg-secondary">响应时间: ${conv.response_time || 0}ms</span>
                        ${conv.work_order_id ? `<span class="badge bg-info">工单: ${conv.work_order_id}</span>` : ''}
                    </div>
                </div>
            </div>
            `;
        }).join('');

        container.innerHTML = html;
    },

    updateConversationPagination(data) {
        this.createPaginationComponent(data, 'conversations-pagination', 'loadConversationHistory', '条对话');
    },

    updateConversationStats(stats) {
        document.getElementById('conversation-total').textContent = stats.total || 0;
        document.getElementById('conversation-today').textContent = stats.today || 0;
        document.getElementById('conversation-avg-response').textContent = `${stats.avg_response_time || 0}ms`;
        document.getElementById('conversation-active-users').textContent = stats.active_users || 0;
    },

    // Task 8.3: 加载对话统计（支持租户级别）
    async loadConversationStats(tenantId) {
        try {
            let url = '/api/conversations/analytics';
            if (tenantId) {
                url += `?tenant_id=${encodeURIComponent(tenantId)}`;
            }
            const response = await fetch(url);
            const data = await response.json();

            const analytics = data.analytics || {};
            const convStats = analytics.conversations || {};

            const totalEl = document.getElementById('conversation-total');
            const todayEl = document.getElementById('conversation-today');
            const avgResponseEl = document.getElementById('conversation-avg-response');
            const activeUsersEl = document.getElementById('conversation-active-users');

            if (totalEl) totalEl.textContent = convStats.total || 0;
            if (todayEl) todayEl.textContent = convStats.today || 0;
            if (avgResponseEl) avgResponseEl.textContent = `${Math.round(convStats.avg_response_time || 0)}ms`;
            if (activeUsersEl) activeUsersEl.textContent = convStats.active_users || 0;
        } catch (error) {
            console.error('加载对话统计失败:', error);
        }
    },

    async refreshConversationHistory() {
        // 先尝试触发一次合并迁移（幂等，重复调用也安全）
        try {
            await fetch('/api/conversations/migrate-merge', { method: 'POST' });
        } catch (e) { /* 忽略迁移失败 */ }
        // 根据当前视图状态刷新：租户详情视图或租户列表视图
        if (this.conversationCurrentTenantId) {
            await this.loadConversationTenantDetail(this.conversationCurrentTenantId, this.paginationConfig.currentConversationPage);
        } else {
            await this.loadConversationTenantList();
        }
        this.showNotification('对话历史已刷新', 'success');
    },

    async clearAllConversations() {
        if (!confirm('确定要清空所有对话历史吗？此操作不可恢复！')) {
            return;
        }

        try {
            const response = await fetch('/api/conversations/clear', { method: 'DELETE' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('对话历史已清空', 'success');
                await this.loadConversationHistory();
            } else {
                throw new Error(data.error || '清空对话历史失败');
            }
        } catch (error) {
            console.error('清空对话历史失败:', error);
            this.showNotification('清空对话历史失败: ' + error.message, 'error');
        }
    },

    async deleteConversation(conversationId) {
        if (!confirm('确定要删除这条对话记录吗？')) {
            return;
        }

        try {
            const response = await fetch(`/api/conversations/${conversationId}`, { method: 'DELETE' });
            const data = await response.json();
            
            if (data.success) {
                this.showNotification('对话记录已删除', 'success');
                await this.loadConversationHistory();
            } else {
                throw new Error(data.error || '删除对话记录失败');
            }
        } catch (error) {
            console.error('删除对话记录失败:', error);
            this.showNotification('删除对话记录失败: ' + error.message, 'error');
        }
    },

    async viewConversation(conversationId) {
        try {
            const response = await fetch(`/api/conversations/${conversationId}`);
            const data = await response.json();
            
            if (data.success) {
                data.user_id = data.user_id || '匿名';
                this.showConversationModal(data);
            } else {
                throw new Error(data.error || '获取对话详情失败');
            }
        } catch (error) {
            console.error('获取对话详情失败:', error);
            this.showNotification('获取对话详情失败: ' + error.message, 'error');
        }
    },

    showConversationModal(conversation) {
        const modalHtml = `
            <div class="modal fade" id="conversationModal" tabindex="-1">
                <div class="modal-dialog modal-lg">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title">对话详情</h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                        </div>
                        <div class="modal-body">
                            <div class="mb-3">
                                <strong>用户:</strong> ${conversation.user_id || '匿名'}<br>
                                <strong>时间:</strong> ${new Date(conversation.timestamp).toLocaleString()}<br>
                                <strong>响应时间:</strong> ${conversation.response_time || 0}ms
                            </div>
                            <div class="mb-3">
                                <h6>用户消息:</h6>
                                <div class="border p-3 rounded">${conversation.user_message || ''}</div>
                            </div>
                            <div class="mb-3">
                                <h6>助手回复:</h6>
                                <div class="border p-3 rounded">${conversation.assistant_response || ''}</div>
                            </div>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        // 移除已存在的模态框
        const existingModal = document.getElementById('conversationModal');
        if (existingModal) {
            existingModal.remove();
        }
        
        // 添加新模态框
        document.body.insertAdjacentHTML('beforeend', modalHtml);
        
        // 显示模态框
        const modal = new bootstrap.Modal(document.getElementById('conversationModal'));
        modal.show();
    },

    async filterConversations() {
        const search = document.getElementById('conversation-search').value.trim();
        const userFilter = document.getElementById('conversation-user-filter')?.value || '';
        const dateFilter = document.getElementById('conversation-date-filter')?.value || '';

        // Task 8.1: 在 Tenant_Detail_View 中搜索时自动附加 tenant_id 参数
        if (this.conversationCurrentTenantId) {
            if (!search) {
                // 清空搜索时恢复当前租户的完整分页列表
                this.loadConversationTenantDetail(this.conversationCurrentTenantId);
                return;
            }
            try {
                const perPage = this.getPageSize('conversation-session-pagination');
                let url = `/api/conversations/sessions?search=${encodeURIComponent(search)}&tenant_id=${encodeURIComponent(this.conversationCurrentTenantId)}&page=1&per_page=${perPage}`;
                if (dateFilter) url += `&date_filter=${encodeURIComponent(dateFilter)}`;

                const response = await fetch(url);
                const data = await response.json();

                if (data.sessions) {
                    this.renderConversationSessionTable(data.sessions, this.conversationCurrentTenantId);
                    this.updateConversationTenantPagination(data);
                } else {
                    const sessionListEl = document.getElementById('conversation-session-list');
                    if (sessionListEl) {
                        sessionListEl.innerHTML = '<div class="text-center py-4"><i class="fas fa-search fa-2x text-muted"></i><p class="mt-2 text-muted">未找到匹配的会话</p></div>';
                    }
                    const paginationEl = document.getElementById('conversation-session-pagination');
                    if (paginationEl) paginationEl.innerHTML = '';
                }
            } catch (error) {
                console.error('搜索租户会话失败:', error);
                this.showNotification('搜索会话失败: ' + error.message, 'error');
            }
            return;
        }

        // 非租户详情视图：保持原有行为
        try {
            const params = new URLSearchParams();
            if (search) params.append('search', search);
            if (userFilter) params.append('user_id', userFilter);
            if (dateFilter) params.append('date_filter', dateFilter);
            
            const response = await fetch(`/api/conversations?${params.toString()}`);
            const data = await response.json();
            
            if (data.success) {
                this.renderConversationList(data.conversations || []);
                this.renderConversationPagination(data.pagination || {});
            } else {
                throw new Error(data.error || '筛选对话失败');
            }
        } catch (error) {
            console.error('筛选对话失败:', error);
            this.showNotification('筛选对话失败: ' + error.message, 'error');
        }
    }
});