refactor(asl): ASL frontend architecture refactoring with left navigation

- feat: Create ASLLayout component with 7-module left navigation
- feat: Implement Title Screening Settings page with optimized PICOS layout
- feat: Add placeholder pages for Workbench and Results
- fix: Fix nested routing structure for React Router v6
- fix: Resolve Spin component warning in MainLayout
- fix: Add QueryClientProvider to App.tsx
- style: Optimize PICOS form layout (P+I left, C+O+S right)
- style: Align Inclusion/Exclusion criteria side-by-side
- docs: Add architecture refactoring and routing fix reports

Ref: Week 2 Frontend Development
Scope: ASL module MVP - Title Abstract Screening

frontend-v2/src/App.tsx

@@ -1,6 +1,7 @@
 import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom'
 import { ConfigProvider } from 'antd'
 import zhCN from 'antd/locale/zh_CN'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { PermissionProvider } from './framework/permission'
 import { RouteGuard } from './framework/router'
 import MainLayout from './framework/layout/MainLayout'
@@ -12,18 +13,34 @@ import { MODULES } from './framework/modules/moduleRegistry'
  * 
  * @description 
  * - ConfigProvider: Ant Design国际化配置
+ * - QueryClientProvider: React Query状态管理（Week 2 新增）⭐
  * - PermissionProvider: 权限管理系统（Week 2 Day 7新增）
  * - RouteGuard: 路由守卫保护（Week 2 Day 7新增）⭐
  * - BrowserRouter: 前端路由
  * 
- * @version Week 2 Day 7 - 任务17：完整版权限系统
+ * @version Week 2 Day 1 - 添加React Query支持
  */
+
+// 创建React Query客户端
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 1000 * 60 * 5, // 5分钟
+      gcTime: 1000 * 60 * 10, // 10分钟（原cacheTime）
+      retry: 1, // 失败重试1次
+      refetchOnWindowFocus: false, // 窗口聚焦时不自动重新获取
+    },
+  },
+})
+
 function App() {
   return (
     <ConfigProvider locale={zhCN}>
-      {/* 权限提供者：提供全局权限状态 */}
-      <PermissionProvider>
-        <BrowserRouter>
+      {/* React Query状态管理 */}
+      <QueryClientProvider client={queryClient}>
+        {/* 权限提供者：提供全局权限状态 */}
+        <PermissionProvider>
+          <BrowserRouter>
           <Routes>
             <Route path="/" element={<MainLayout />}>
               {/* 首页 */}
@@ -52,6 +69,7 @@ function App() {
           </Routes>
         </BrowserRouter>
       </PermissionProvider>
+      </QueryClientProvider>
     </ConfigProvider>
   )
 }