更新 devtools_options.yaml 以启用 riverpod 和 shared_preferences 扩展；更新 AuthApi 枚举以添加 playerRegistrationList API；重构 Auth 页面以在用户已登录时直接导航到扫码页面；重构 EventInfoPage 以使用新的状态管理和加载赛事报名信息；更新扫码页面以导航到 EventInfoPage。

lib/features/auth/pages/page_auth.dart

@@ -2,8 +2,10 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:recording_tool/app/router/app_navigator.dart';
+import 'package:recording_tool/core/cache/app_storage.dart';
+import 'package:recording_tool/core/cache/storage_keys.dart';
 import 'package:recording_tool/features/auth/view_model_auth/view_model_auth.dart';
-import 'package:recording_tool/features/events/pages/page_event_info.dart';
+import 'package:recording_tool/features/scan_qrcode/pages/page_scan_qrcode.dart';
 import 'package:recording_tool/shared/widgets/widgets.dart';
 
 class AuthPageWidget extends ConsumerStatefulWidget {
@@ -21,6 +23,13 @@ class _AuthPageWidgetState extends ConsumerState<AuthPageWidget> {
     super.initState();
     _controller = TextEditingController();
     _controller?.text = '555';
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      final token = AppStorage.getString(StorageKeys.authToken);
+      if (token?.isNotEmpty ?? false) {
+        AppNavigator.pushReplacement(const ScanQrCodePage());
+      }
+    });
   }
 
   @override
@@ -62,7 +71,7 @@ class _AuthPageWidgetState extends ConsumerState<AuthPageWidget> {
                           .auth(code ?? '');
                       if (!mounted) return;
                       if (success) {
-                        AppNavigator.push(const EventInfoPage());
+                        AppNavigator.push(const ScanQrCodePage());
                         return;
                       }
                       final message = ref.read(authProvider).errorMessage;