fix(im_llm): 代理绕过Docker内部hostname

frontend/src/App.tsx

@@ -90,7 +90,7 @@ const App: React.FC = () => {
     localStorage.removeItem('aiflow_token');
     localStorage.removeItem('aiflow_user');
   };
-  const isAdmin = user?.role === 'admin';
+  const isAdmin = user?.role === 'admin' || user?.role === 'super_admin';
 
   if (loading) {
     return <div className="loading-screen">加载中...</div>;
@@ -130,7 +130,7 @@ const App: React.FC = () => {
           </Route>
 
           {/* Admin Routes */}
-          <Route path="/admin" element={<AdminLayout />}>
+          <Route path="/admin" element={isAdmin ? <AdminLayout /> : <Navigate to="/login" replace />}>
             <Route index element={<AdminDashboard />} />
             <Route path="users" element={<AdminUsers />} />
             <Route path="models" element={<AdminModels />} />