feat(frontend): add batch processing and review features

- Add batch processing API and mode
- Add deep read mode for full-text analysis
- Add document selector and switcher components
- Add review page with editorial and methodology assessment
- Add capacity indicator and usage info modal
- Add custom hooks for batch tasks and chat modes
- Update layouts and routing
- Add TypeScript types for chat features

frontend/vite.config.ts

@@ -16,6 +16,9 @@ export default defineConfig({
       '/api': {
         target: 'http://localhost:3001',
         changeOrigin: true,
+        // Phase 2: 全文阅读模式需要更长的超时时间
+        timeout: 300000, // 5分钟
+        proxyTimeout: 300000, // 5分钟
       },
     },
   },