...

packages/feature_game_mathquiz/lib/controllers/math_quiz_controller.dart

@@ -8,8 +8,17 @@ import '../models/math_quiz_difficulty.dart'; // 👈 MathQuizDifficulty 정의
 
 class MathQuizController with ChangeNotifier {
   late final MathQuizDifficulty difficulty;
-  late final String userId;
-  late final String? userName;
+  // 🔽 [수정] late final -> late (값 변경 또는 별도 초기화를 위해 final 제거)
+  late String userId;
+  late String? userName;
+
+  // ... (기존 멤버 변수들 유지) ...
+
+  // 🔽 [신규 추가] 유저 정보 설정 메서드
+  void setUserInfo(String userId, String? userName) {
+    this.userId = userId;
+    this.userName = userName;
+  }
 
   late MathQuizPuzzle puzzle;
   late List<String?> _userAnswers;
@@ -71,10 +80,10 @@ class MathQuizController with ChangeNotifier {
     _timer?.cancel();
   }
 
-  void startNewGame(MathQuizDifficulty level, String userId, String? userName) {
+  void startNewGame(MathQuizDifficulty level) {
     this.difficulty = level;
-    this.userId = userId;
-    this.userName = userName;
+    // this.userId = userId;
+    // this.userName = userName;
     _totalPuzzlesInLevel = level.puzzleCount;
     _currentPuzzleIndex = 0;
     _isGameCompleted = false;