refactor: 前端登录/权限/界面状态迁移至 zustand

apps/admin/src/pages/Classes/detail.tsx

@@ -1,5 +1,6 @@
 import React, { useEffect, useState, useCallback } from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
+import { useUserStore } from '../../store/user/userStore';
 import {
   Card,
   Tabs,
@@ -572,7 +573,7 @@ const ClassDetailPage: React.FC = () => {
                   permission="class:view"
                   icon={<DownloadOutlined />}
                   onClick={() => {
-                    const token = localStorage.getItem('token');
+                    const token = useUserStore.getState().token;
                     fetch(`/api/classes/${id}/roster/export`, {
                       headers: { Authorization: `Bearer ${token}` },
                     })