修复前端登录权限边界问题

client/src/tests/reservationRouter.spec.ts

@@ -85,4 +85,32 @@ describe('reservation router', () => {
       name: 'unauthorized',
     })
   })
+
+  it('redirects the root route to the restored first backend menu', async () => {
+    let restored = false
+    let authenticated = false
+    let firstMenuPath: string | null = null
+    const authStore = {
+      restoreAttempted: false,
+      get isAuthenticated() {
+        return authenticated
+      },
+      get firstMenuPath() {
+        return firstMenuPath
+      },
+      hasStoredToken: () => true,
+      restoreFromSession: async () => {
+        restored = true
+        authStore.restoreAttempted = true
+        authenticated = true
+        firstMenuPath = '/reservation/tasks'
+        return true
+      },
+      hasPermission: () => true,
+    } as unknown as AuthStoreForGuard
+    const guard = createAuthGuard(() => authStore)
+
+    await expect(guard(createRoute('/'))).resolves.toBe('/reservation/tasks')
+    expect(restored).toBe(true)
+  })
 })