fix: unsubscribe UI events on destroy, add Ui header in GameBootstrap

Assets/Scripts/Infrastructure/Unity/GameBootstrap.cs

@@ -22,6 +22,7 @@ namespace Infrastructure.Unity
         [SerializeField] private HunterNpcController hunterNpcPrefab;
         [SerializeField] private FloorVisibilityManager floorVisibilityManager;
 
+        [Header("Ui")]
         [SerializeField] private GameUiCoordinator uiCoordinator;
 
         [Header("Settings")]

Assets/Scripts/Infrastructure/Unity/GameUiCoordinator.cs

@@ -23,6 +23,13 @@ namespace Infrastructure.Unity
             session.OnGameOver += ShowGameOverUi;
         }
 
+        private void OnDestroy()
+        {
+            if (_session == null) return;
+            _session.OnScoreChanged -= UpdateScore;
+            _session.OnGameOver -= ShowGameOverUi;
+        }
+
         public void ShowStartScreen()
         {
             if (gameOverUi) gameOverUi.SetActive(false);