feat(e2e): autologin patch (dev) + 登录态路由测试脚本

- util_web devAutologin: localStorage[_test_token]=user|pass -> 登录API写Hive+dispatch currentUser
- 延迟3s执行等 Flutter/Hive ready (否则 httpPost hang)
- main.dart 调用 devAutologin
- run_auth.js: 注入token遍历登录态路由
- 已验证: autologin API 200 OK

lib/main.dart

@@ -43,6 +43,7 @@ void main() {
   // configureApp();
   setPathUrlStrategy();
   runApp(MyApp());
+  Future.delayed(Duration(seconds: 3), () => Util.devAutologin()); // DEV e2e: 延迟 3s 等 Flutter/Hive ready
 }
 
 class MyApp extends StatelessWidget {