feat: 初始化财务管理应用前端项目，包含账户、预算、交易、报表、设置等核心功能模块。

src/App.tsx

@@ -2,7 +2,18 @@ import { RouterProvider } from 'react-router-dom';
 import { router } from './router';
 
 
-import { ThemeProvider } from './hooks';
+import { ThemeProvider, useAutoTokenRefresh } from './hooks';
+
+/**
+ * App Content Component
+ * Wrapped by providers, uses hooks
+ */
+function AppContent() {
+  // Enable automatic token refresh
+  useAutoTokenRefresh();
+
+  return <RouterProvider router={router} />;
+}
 
 /**
  * Main Application Component
@@ -11,7 +22,7 @@ import { ThemeProvider } from './hooks';
 function App() {
   return (
     <ThemeProvider>
-      <RouterProvider router={router} />
+      <AppContent />
     </ThemeProvider>
   );
 }