重构事件信息页面，移除不必要的加载状态和错误消息字段，简化状态管理逻辑；在扫码页面中增强选手信息查询功能，添加加载提示和错误处理。

lib/features/events/pages/page_event_info.dart

@@ -11,8 +11,6 @@ import 'package:recording_tool/shared/widgets/widgets.dart';
 class EventInfoPage extends ConsumerStatefulWidget {
   const EventInfoPage({super.key, required this.playerId});
   final String playerId;
-  static const mockRtmpUrl =
-      'rtmp://192.168.1.245:19090/蔡依婷vs夏志豪_空中格斗赛_高中组/蔡依婷vs夏志豪_空中格斗赛_高中组';
 
   @override
   ConsumerState<EventInfoPage> createState() => _EventInfoPageState();
@@ -22,15 +20,11 @@ class _EventInfoPageState extends ConsumerState<EventInfoPage> {
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      if (!mounted) return;
-      ref.read(eventInfoProvider.notifier).loadRegistrationList();
-    });
   }
 
   Future<void> onItemTap(EventRegistrationItem item) async {
-    debugPrint('item tapped: ${item.itemName}');
-    await ref.read(eventInfoProvider.notifier).requestStreamKey(item);
+    // debugPrint('item tapped: ${item.itemName}');
+    // await ref.read(eventInfoProvider.notifier).requestStreamKey(item);
     if (!mounted) return;
     // final profile = ref.read(eventInfoProvider).profile;
 
@@ -182,17 +176,13 @@ class _ScheduleList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if (state.isLoading) {
-      return const Center(child: CircularProgressIndicator());
-    }
-
     if (state.items.isEmpty) {
       return Center(
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
             Text(
-              state.errorMessage ?? '暂无赛事报名信息',
+              '暂无赛事报名信息',
               textAlign: TextAlign.center,
               style: TextStyle(fontSize: 18.sp, color: const Color(0xFF2F2F2F)),
             ),