feat(auth): 完善API网关JWT认证和权限控制功能

- 实现网关侧JWT工具类和权限规则匹配器
- 集成JWT认证流程，支持Bearer Token验证
- 添加基于路径和HTTP方法的权限控制机制
- 配置白名单路由规则，优化认证性能
- 更新前端受保护路由组件，实现权限验证
- 添加403禁止访问页面和权限检查逻辑
- 重构登录页面，集成实际认证API调用
- 实现用户信息获取和权限加载功能
- 优化全局异常处理器中的认证错误状态码
- 集成FastJSON2和JJWT依赖库支持

frontend/src/components/ProtectedRoute.tsx

@@ -1,20 +1,53 @@
 import React from 'react';
 import { Navigate, useLocation, Outlet } from 'react-router';
-import { useAppSelector } from '@/store/hooks';
+import { useAppDispatch, useAppSelector } from '@/store/hooks';
+import { fetchCurrentUser, markInitialized } from '@/store/slices/authSlice';
+import {
+  hasPermission,
+  resolveDefaultAuthorizedPath,
+  resolveRequiredPermissionByPath,
+} from '@/auth/permissions';
 
 interface ProtectedRouteProps {
   children?: React.ReactNode;
 }
 
 const ProtectedRoute: React.FC<ProtectedRouteProps> = ({ children }) => {
-  const { isAuthenticated } = useAppSelector((state) => state.auth);
+  const dispatch = useAppDispatch();
+  const { isAuthenticated, token, initialized, loading, permissions } = useAppSelector(
+    (state) => state.auth
+  );
   const location = useLocation();
+  const requiredPermission = resolveRequiredPermissionByPath(location.pathname);
+
+  React.useEffect(() => {
+    if (initialized || loading) {
+      return;
+    }
+    if (!token) {
+      dispatch(markInitialized());
+      return;
+    }
+    void dispatch(fetchCurrentUser());
+  }, [dispatch, initialized, loading, token]);
+
+  if (!initialized || loading) {
+    return null;
+  }
 
   if (!isAuthenticated) {
     // Redirect to the login page, but save the current location they were trying to go to
     return <Navigate to="/login" state={{ from: location }} replace />;
   }
 
+  if (!hasPermission(permissions, requiredPermission)) {
+    const fallbackPath = resolveDefaultAuthorizedPath(permissions);
+    if (location.pathname === fallbackPath) {
+      return <Navigate to="/403" replace />;
+    }
+    return <Navigate to={fallbackPath} replace />;
+  }
+
   return children ? <>{children}</> : <Outlet />;
 };