audit fixes: align all frontend timestamps to Beijing time + debounce MarketPage search (vv2026.07.20.1)

frontend/src/pages/front/AppServices.tsx

@@ -1,6 +1,7 @@
 // @ts-nocheck
 import React, { useState, useEffect, useCallback } from 'react';
 import { imUserAPI } from '@/api';
+import { formatBjDate } from '@/utils/datetime';
 
 const PRIMARY = '#5B5FED';
 
@@ -106,7 +107,7 @@ const AppServices: React.FC = () => {
                 </div>
                 <p style={{ fontSize: '13px', color: '#6B7280', lineHeight: 1.7, flex: 1, margin: '0 0 14px 0' }}>{app.description || '暂无描述'}</p>
                 <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
-                  <span style={{ fontSize: '12px', color: '#9CA3AF' }}>{app.published_at ? '上架于 ' + new Date(app.published_at).toLocaleDateString('zh-CN') : ''}</span>
+                  <span style={{ fontSize: '12px', color: '#9CA3AF' }}>{app.published_at ? '上架于 ' + formatBjDate(app.published_at) : ''}</span>
                   <button onClick={() => showToast('已加入「我的应用」，可在 AI 聊天中调用')} style={{ padding: '7px 16px', background: PRIMARY, border: 'none', borderRadius: '8px', color: '#fff', fontSize: '13px', fontWeight: 500, cursor: 'pointer' }}>使用</button>
                 </div>
               </div>

frontend/src/pages/front/AssetsPage.tsx

@@ -2,6 +2,7 @@ import React, { useState, useEffect, useCallback } from 'react';
 import { useNavigate } from 'react-router-dom';
 import type { Asset, AssetCategory, AssetCategoryDef, AssetFileType } from '@/types';
 import { assetsAPI } from '@/api';
+import { formatBjTime } from '@/utils/datetime';
 import './AssetsPage.css';
 
 const fileTypeLabels: Record<string, { label: string; bg: string; color: string }> = {
@@ -46,7 +47,7 @@ function formatSize(bytes?: number): string {
 }
 
 function formatDate(dateStr: string): string {
-  return new Date(dateStr).toLocaleDateString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' });
+  return formatBjTime(dateStr);
 }
 
 // 将文件扩展名或API返回的file_type映射到前端fileType标签

frontend/src/pages/front/ChatPage.tsx

@@ -1,6 +1,7 @@
 import React, { useState, useRef, useEffect, useMemo, useCallback } from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
 import { chatAPI, knowledgeAPI, marketAPI, evolutionAPI } from '@/api';
+import { formatChatTime } from '@/utils/datetime';
 import type { Conversation, Message } from '@/types';
 import './ChatPage.css';
 
@@ -396,21 +397,7 @@ function escapeHtml(text: string): string {
 
 // ===== Time Formatting =====
 function formatTime(iso: string): string {
-  const date = new Date(iso);
-  const now = new Date();
-  const diff = now.getTime() - date.getTime();
-  const oneDay = 24 * 60 * 60 * 1000;
-
-  if (diff < oneDay) {
-    return date.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
-  } else if (diff < 7 * oneDay) {
-    const days = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
-    return days[date.getDay()];
-  } else if (date.getFullYear() === now.getFullYear()) {
-    return `${date.getMonth() + 1}/${date.getDate()}`;
-  } else {
-    return `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`;
-  }
+  return formatChatTime(iso);
 }
 
 // ===== Helpers: normalize API responses =====

frontend/src/pages/front/MarketPage.tsx

@@ -1596,6 +1596,7 @@ const MarketPage: React.FC = () => {
   const [localApps, setLocalApps] = useState<MarketApp[]>([]);
   const [loading, setLoading] = useState(false);
   const [searchQuery, setSearchQuery] = useState('');
+  const searchTimerRef = useRef<number | null>(null);
   const [capabilityFilter, setCapabilityFilter] = useState<string | null>(null);
   const [installToast, setInstallToast] = useState<string | null>(null);
 
@@ -1893,7 +1894,7 @@ const MarketPage: React.FC = () => {
             className="form-input"
             placeholder="搜索应用名称或描述..."
             value={searchQuery}
-            onChange={e => { setSearchQuery(e.target.value); loadApps(e.target.value); }}
+            onChange={e => { const v = e.target.value; setSearchQuery(v); if (searchTimerRef.current) clearTimeout(searchTimerRef.current); searchTimerRef.current = window.setTimeout(() => loadApps(v), 350); }}
             style={{ paddingLeft: 32, flex: 1, maxWidth: 400 }}
           />
           {searchQuery && (