feat(desktop-client): 阶段4-6 Electron EXE 客户端（登录/课表/作业/通知/成绩/设置 + Socket.IO 实时 + IndexedDB 离线缓存与自动同步 + electron-builder 打包）

packages/desktop-client/src/renderer/router/index.ts

@@ -0,0 +1,70 @@
+import { createRouter, createWebHashHistory, type RouteRecordRaw } from 'vue-router';
+import { useAuthStore } from '../stores/auth.js';
+
+/**
+ * Electron 生产环境通过 file:// 加载页面，无法使用 history 模式，
+ * 因此统一使用 hash 路由（开发与打包行为一致）。
+ */
+const routes: RouteRecordRaw[] = [
+  {
+    path: '/login',
+    name: 'login',
+    component: () => import('../views/LoginView.vue'),
+    meta: { public: true, title: '登录' },
+  },
+  {
+    path: '/',
+    component: () => import('../layouts/ClientLayout.vue'),
+    redirect: '/schedule',
+    children: [
+      {
+        path: 'schedule',
+        name: 'schedule',
+        component: () => import('../views/ScheduleView.vue'),
+        meta: { title: '课表' },
+      },
+      {
+        path: 'homeworks',
+        name: 'homeworks',
+        component: () => import('../views/HomeworkView.vue'),
+        meta: { title: '作业' },
+      },
+      {
+        path: 'notifications',
+        name: 'notifications',
+        component: () => import('../views/NotificationView.vue'),
+        meta: { title: '通知' },
+      },
+      {
+        path: 'grades',
+        name: 'grades',
+        component: () => import('../views/GradeView.vue'),
+        meta: { title: '成绩' },
+      },
+      {
+        path: 'settings',
+        name: 'settings',
+        component: () => import('../views/SettingsView.vue'),
+        meta: { title: '设置' },
+      },
+    ],
+  },
+  { path: '/:pathMatch(.*)*', redirect: '/schedule' },
+];
+
+export const router = createRouter({
+  history: createWebHashHistory(),
+  routes,
+});
+
+router.beforeEach((to) => {
+  const auth = useAuthStore();
+  if (to.meta.public) {
+    if (to.name === 'login' && auth.isAuthenticated) return { name: 'schedule' };
+    return true;
+  }
+  if (!auth.isAuthenticated) return { name: 'login' };
+  return true;
+});
+
+export default router;