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Assets/Scripts/insert key/insertkeys.cs

@@ -37,6 +37,9 @@ public class DraggableKey : MonoBehaviour,
     {
         IsCompleted = false;
         _onCompleted = onCompleted;
+        // Register ourselves with the manager so CheckWin can call Complete()
+        if (KeyminigameManager.Instance != null)
+            KeyminigameManager.Instance.taskRef = this;
     }
 
     public void Complete()