feat(debug): 모바일 레이아웃에 치트 기능 추가

- MobileCarouselLayout에 치트 버튼 추가
- GameSessionController에 치트 활성화 상태 관리 추가
- ProgressLoop/ProgressService에 치트 메서드 추가

lib/src/features/game/game_session_controller.dart

@@ -6,12 +6,13 @@ import 'package:asciineverdie/src/core/engine/resurrection_service.dart';
 import 'package:asciineverdie/src/core/engine/shop_service.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
 import 'package:asciineverdie/src/core/model/game_statistics.dart';
+import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
 import 'package:asciineverdie/src/core/storage/hall_of_fame_storage.dart';
 import 'package:asciineverdie/src/core/storage/save_manager.dart';
 import 'package:asciineverdie/src/core/storage/statistics_storage.dart';
 import 'package:flutter/foundation.dart';
 
-enum GameSessionStatus { idle, loading, running, error, dead }
+enum GameSessionStatus { idle, loading, running, error, dead, complete }
 
 /// Presentation-friendly wrapper that owns ProgressLoop and SaveManager.
 class GameSessionController extends ChangeNotifier {
@@ -104,6 +105,7 @@ class GameSessionController extends ChangeNotifier {
       now: _now,
       cheatsEnabled: cheatsEnabled,
       onPlayerDied: _onPlayerDied,
+      onGameComplete: _onGameComplete,
       availableSpeeds: availableSpeeds,
     );
 
@@ -272,6 +274,31 @@ class GameSessionController extends ChangeNotifier {
     notifyListeners();
   }
 
+  /// 게임 클리어 콜백 (ProgressLoop에서 호출, Act V 완료 시)
+  void _onGameComplete() {
+    _status = GameSessionStatus.complete;
+    notifyListeners();
+
+    // Hall of Fame 등록 (비동기)
+    unawaited(_registerToHallOfFame());
+  }
+
+  /// 명예의 전당 등록
+  Future<void> _registerToHallOfFame() async {
+    if (_state == null) return;
+
+    final entry = HallOfFameEntry.fromGameState(
+      state: _state!,
+      totalDeaths: _sessionStats.deathCount,
+      monstersKilled: _state!.progress.monstersKilled,
+    );
+
+    await _hallOfFameStorage.addEntry(entry);
+
+    // 통계 기록
+    await _statisticsStorage.recordGameComplete();
+  }
+
   /// 플레이어 부활 처리 (상태만 업데이트, 게임 재개는 별도로)
   ///
   /// HP/MP 회복, 빈 슬롯에 장비 자동 구매
@@ -308,4 +335,7 @@ class GameSessionController extends ChangeNotifier {
   /// 사망 상태 여부
   bool get isDead =>
       _status == GameSessionStatus.dead || (_state?.isDead ?? false);
+
+  /// 게임 클리어 여부
+  bool get isComplete => _status == GameSessionStatus.complete;
 }