limit team members to 4 and display member count in list

frontend_splatournament_manager/lib/models/team.dart

@@ -4,6 +4,7 @@ class Team {
   final String tag;
   final String description;
   final String createdAt;
+  final int? memberCount;
 
   Team({
     required this.id,
@@ -11,6 +12,7 @@ class Team {
     required this.tag,
     required this.description,
     required this.createdAt,
+    this.memberCount,
   });
 
   factory Team.fromJson(Map<String, dynamic> json) {
@@ -20,6 +22,7 @@ class Team {
       tag: json['tag'] as String,
       description: (json['description'] as String?) ?? '',
       createdAt: (json['createdAt'] as String?) ?? '',
+      memberCount: json['memberCount'] as int?,
     );
   }
 
@@ -30,6 +33,7 @@ class Team {
       'tag': tag,
       'description': description,
       'createdAt': createdAt,
+      if (memberCount != null) 'memberCount': memberCount,
     };
   }
 }

frontend_splatournament_manager/lib/pages/teams_page.dart

@@ -128,6 +128,10 @@ class TeamListItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final memberCountText = team.memberCount != null 
+        ? '${team.memberCount}/4 members'
+        : 'No members';
+    
     return Card(
       margin: const EdgeInsets.symmetric(vertical: 8),
       child: ListTile(
@@ -135,7 +139,21 @@ class TeamListItem extends StatelessWidget {
           child: Text(team.tag),
         ),
         title: Text(team.name),
-        subtitle: Text(team.description.isEmpty ? 'No description' : team.description),
+        subtitle: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(team.description.isEmpty ? 'No description' : team.description),
+            const SizedBox(height: 4),
+            Text(
+              memberCountText,
+              style: const TextStyle(
+                fontSize: 12,
+                fontWeight: FontWeight.w500,
+              ),
+            ),
+          ],
+        ),
+        isThreeLine: true,
         trailing: Row(
           mainAxisSize: MainAxisSize.min,
           children: [