Rework interactables into a flatter hierarchy, reenable puzzles as well

Assets/Scripts/Input/PlayerTouchController.cs

@@ -7,7 +7,7 @@ namespace Input
     /// Handles player movement in response to tap and hold input events.
     /// Supports both direct and pathfinding movement modes, and provides event/callbacks for arrival/cancellation.
     /// </summary>
-    public class PlayerTouchController : Character, ITouchInputConsumer
+    public class PlayerTouchController : MonoBehaviour, ITouchInputConsumer
     {
         // --- Movement State ---
         private Vector3 targetPosition;