fix(mobile-app): use SharePageParams instead of Map for share navigation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/mobile-app/lib/features/profile/presentation/pages/profile_page.dart

@@ -8,6 +8,7 @@ import 'package:package_info_plus/package_info_plus.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import '../../../../core/di/injection_container.dart';
 import '../../../../routes/route_paths.dart';
+import '../../../../routes/app_router.dart';
 import 'dart:async';
 
 /// 个人中心页面 - 显示用户信息、社区数据、收益和设置
@@ -250,10 +251,10 @@ class _ProfilePageState extends ConsumerState<ProfilePage> {
   void _goToSharePage() {
     context.push(
       RoutePaths.share,
-      extra: {
-        'shareLink': 'https://s3.szaiai.com/rwadurian/app-release.apk',
-        'referralCode': _referralCode,
-      },
+      extra: SharePageParams(
+        shareLink: 'https://s3.szaiai.com/rwadurian/app-release.apk',
+        referralCode: _referralCode,
+      ),
     );
   }