refactor(game): 게임 화면 및 위젯 정리

lib/src/features/game/game_session_controller.dart

@@ -223,15 +223,14 @@ class GameSessionController extends ChangeNotifier {
     notifyListeners();
   }
 
-  Future<void> loadAndStart({
-    String? fileName,
-  }) async {
+  Future<void> loadAndStart({String? fileName}) async {
     _status = GameSessionStatus.loading;
     _error = null;
     notifyListeners();
 
-    final (outcome, loaded, savedCheatsEnabled) =
-        await saveManager.loadState(fileName: fileName);
+    final (outcome, loaded, savedCheatsEnabled) = await saveManager.loadState(
+      fileName: fileName,
+    );
     if (!outcome.success || loaded == null) {
       _status = GameSessionStatus.error;
       _error = outcome.error ?? 'Unknown error';
@@ -346,7 +345,9 @@ class GameSessionController extends ChangeNotifier {
         combatStats: combatStats,
       );
 
-      debugPrint('[HallOfFame] Entry created: ${entry.characterName} Lv.${entry.level}');
+      debugPrint(
+        '[HallOfFame] Entry created: ${entry.characterName} Lv.${entry.level}',
+      );
 
       final success = await _hallOfFameStorage.addEntry(entry);
       debugPrint('[HallOfFame] Storage save result: $success');