更新比赛页面以传递新的事件注册项，简化数据处理逻辑并优化构建脚本。

lib/features/competition_teams/pages/page_event_team_match.dart

@@ -18,11 +18,13 @@ class EventTeamMatchPage extends StatefulWidget {
     required this.playerId,
     this.qrScanner,
     required this.detail,
+    required this.item,
   });
 
   final CompetitionTeamDetail detail;
   final String playerId;
   final TeamQrScanner? qrScanner;
+  final EventRegistrationItem item;
 
   @override
   State<EventTeamMatchPage> createState() => _EventTeamMatchPageState();
@@ -84,26 +86,6 @@ class _EventTeamMatchPageState extends State<EventTeamMatchPage> {
     );
   }
 
-  /// H5 bridge 仍需要 EventRegistrationItem，从 detail 组装最小对象。
-  /// 备注：红队成员写入 teamMembers，蓝队写入 opponent。
-  EventRegistrationItem get _scoreBridgeItem {
-    final blue = _blueTeam;
-    return EventRegistrationItem(
-      eventId: _detail.eventId?.trim() ?? '',
-      itemId: _detail.itemId?.trim() ?? '',
-      scheduleId: _detail.scheduleId?.trim() ?? '',
-      eventName: '',
-      itemName: _detail.itemName?.trim() ?? '',
-      groupName: _detail.groupName?.trim() ?? '',
-      matchPlace: _detail.matchPlace?.trim() ?? '',
-      matchStartTime: _detail.matchStartTime?.trim() ?? '',
-      matchEndTime: _detail.matchEndTime?.trim() ?? '',
-      opponentId: blue.id == 'blue-team' ? '' : blue.id,
-      opponentName: blue.name == '蓝队' ? '' : blue.name,
-      teamMembers: _redMembers,
-    );
-  }
-
   CompetitionTeam _toCompetitionTeam(
     Team? team, {
     required String fallbackId,
@@ -194,7 +176,7 @@ class _EventTeamMatchPageState extends State<EventTeamMatchPage> {
 
   void _startDirectly() {
     AppNavigator.push(
-      buildTeamScorePage(item: _scoreBridgeItem, playerId: widget.playerId),
+      buildTeamScorePage(item: widget.item, playerId: widget.playerId),
       context: context,
     );
   }