feat: add coin private table

lib/feature/game/presentation/bloc/game_bloc.dart

@@ -59,8 +59,10 @@ class GameBloc extends Bloc<GameEvent, GameUiState> {
       emit(state.copyWith(chatBubbles: next));
     });
     on<LeaveGameEvent>((event, emit) => repository.send({'type': 'leave'}));
-    on<StartTableEvent>((event, emit) =>
-        repository.send({'type': 'start_table', 'hands': event.hands}));
+    on<StartTableEvent>((event, emit) => repository.send(
+        {'type': 'start_table', 'hands': event.hands, 'stake': event.stake}));
+    on<SetStakeEvent>((event, emit) =>
+        repository.send({'type': 'set_stake', 'stake': event.stake}));
     on<RotateTableEvent>((event, emit) =>
         repository.send({'type': 'rotate_table', 'dir': event.dir}));
     on<LeaveTableEvent>((event, emit) => repository.send({'type': 'leave_table'}));
@@ -115,7 +117,9 @@ class GameBloc extends Bloc<GameEvent, GameUiState> {
   void sendChatEmoji(String emoji) => add(SendChatEvent(emoji: emoji));
   void playCard(String card) => add(PlayCardEvent(card));
   void leave() => add(LeaveGameEvent());
-  void startTable(int hands) => add(StartTableEvent(hands));
+  void startTable(int hands, {int stake = 0}) =>
+      add(StartTableEvent(hands, stake: stake));
+  void setStake(int stake) => add(SetStakeEvent(stake));
   void rotateTable(int dir) => add(RotateTableEvent(dir));
   void leaveTable() => add(LeaveTableEvent());
   void clearNotice() => add(ClearNoticeEvent());

lib/feature/game/presentation/bloc/game_event.dart

@@ -50,7 +50,13 @@ class LeaveGameEvent extends GameEvent {}
 
 class StartTableEvent extends GameEvent {
   final int hands; // تعداد دستِ انتخابی (۳/۵/۷)
-  StartTableEvent(this.hands);
+  final int stake; // شرطِ سکه‌ایِ هر بازیکن
+  StartTableEvent(this.hands, {this.stake = 0});
+}
+
+class SetStakeEvent extends GameEvent {
+  final int stake; // شرطِ سکه‌ایِ میز (تنظیمِ زنده‌ی میزبان)
+  SetStakeEvent(this.stake);
 }
 
 class RotateTableEvent extends GameEvent {

lib/feature/game/presentation/bloc/game_state.dart

@@ -19,6 +19,7 @@ class TableLobby {
   final int youSeat; // جایگاهِ مطلقِ خودِ کاربر (برای چیدمانِ صحنه)
   final int remaining;
   final bool unlimited;
+  final int stake; // شرطِ سکه‌ایِ هر بازیکن (۰ یعنی رایگان)
   const TableLobby({
     required this.code,
     required this.players,
@@ -26,6 +27,7 @@ class TableLobby {
     required this.youSeat,
     required this.remaining,
     required this.unlimited,
+    required this.stake,
   });
 
   factory TableLobby.fromJson(Map<String, dynamic> j) => TableLobby(
@@ -41,9 +43,10 @@ class TableLobby {
         youSeat: (j['you_seat'] ?? 0) as int,
         remaining: (j['remaining'] ?? 0) as int,
         unlimited: (j['unlimited'] ?? false) as bool,
+        stake: (j['stake'] ?? 0) as int,
       );
 
-  String get sig => '$code|$isHost|$youSeat|$remaining|$unlimited|'
+  String get sig => '$code|$isHost|$youSeat|$remaining|$unlimited|$stake|'
       '${players.map((p) => '${p.name}${p.host ? '*' : ''}@${p.seat}').join(',')}';
 }