fix: 统一处理流程和后台任务显示

- 处理流程抓取失败时记录到失败URL库
- /search页面新增产品处理会话展示区
- 同时显示后台抓取任务和产品处理会话
- 自动刷新同时更新三种数据：任务、会话、失败URL

static/js/search.js

@@ -22,6 +22,7 @@ document.addEventListener('DOMContentLoaded', () => {
     // 加载失败URL和后台任务
     loadFailedUrls();
     loadBackgroundTasks();
+    loadProcessSessions();
     
     // 启动自动刷新后台任务列表（每3秒）
     startAutoRefreshTasks();
@@ -880,6 +881,8 @@ function startAutoRefreshTasks() {
     
     autoRefreshTasksInterval = setInterval(() => {
         loadBackgroundTasks();
+        loadProcessSessions();  // 同时刷新处理会话
+        loadFailedUrls();  // 同时刷新失败URL
     }, 3000);  // 每3秒刷新一次
 }
 
@@ -889,4 +892,65 @@ function stopAutoRefreshTasks() {
         clearInterval(autoRefreshTasksInterval);
         autoRefreshTasksInterval = null;
     }
+}
+
+// 加载产品处理会话
+async function loadProcessSessions() {
+    try {
+        const response = await fetch(`${API_BASE}/api/process/recent?limit=10`);
+        const data = await response.json();
+        
+        if (data.success) {
+            const container = document.getElementById('process-sessions-list');
+            
+            if (data.sessions.length === 0) {
+                container.innerHTML = '<div class="empty-text">暂无处理会话</div>';
+            } else {
+                container.innerHTML = data.sessions.map(session => {
+                    const statusClass = {
+                        'pending': 'status-pending',
+                        'running': 'status-running',
+                        'paused': 'status-warning',
+                        'completed': 'status-success',
+                        'failed': 'status-error',
+                        'stopped': 'status-warning'
+                    }[session.status] || '';
+                    
+                    const statusText = {
+                        'pending': '等待中',
+                        'running': '处理中',
+                        'paused': '已暂停',
+                        'completed': '已完成',
+                        'failed': '失败',
+                        'stopped': '已停止'
+                    }[session.status] || session.status;
+                    
+                    return `
+                        <div class="background-task-item ${statusClass}">
+                            <div class="task-info">
+                                <div class="task-id">${escapeHtml(session.product_name)}</div>
+                                <div class="task-status">
+                                    <span class="status-badge ${statusClass}">${statusText}</span>
+                                    ${session.status === 'running' || session.status === 'paused' ? 
+                                        `<span class="task-progress">步骤 ${session.current_step || 0}/6</span>` : ''}
+                                    ${session.category ? `<span>分类: ${escapeHtml(session.category)}</span>` : ''}
+                                    ${session.review_id ? `<span>审核ID: ${escapeHtml(session.review_id)}</span>` : ''}
+                                </div>
+                                <div class="task-time">${session.created_at || ''}
+                                    ${session.finished_at ? ' → ' + session.finished_at : ''}
+                                </div>
+                            </div>
+                            <div class="task-actions">
+                                <a href="/process" class="btn btn-sm btn-secondary">
+                                    <i class="ri-eye-line"></i> 监控
+                                </a>
+                            </div>
+                        </div>
+                    `;
+                }).join('');
+            }
+        }
+    } catch (error) {
+        console.error('加载处理会话出错:', error);
+    }
 }