Refactor NPC spawning logic and adjust grid size; remove unused power-up type

Assets/Scripts/Infrastructure/Unity/NpcController.cs

@@ -18,9 +18,11 @@ namespace Infrastructure.Unity
         private Vector3 _currentDir;
         private float _timer;
         private Func<float> _timeDilationProvider;
+        private Action _onPlayerHit;
         
-        public void Initialize(Func<float> timeDilationProvider)
+        public void Initialize(Func<float> timeDilationProvider, Action onPlayerHit)
         {
+            _onPlayerHit = onPlayerHit;
             _timeDilationProvider = timeDilationProvider;
         }
 
@@ -70,5 +72,14 @@ namespace Infrastructure.Unity
                 case 3: _currentDir = Vector3.right; break;
             }
         }
+
+        private void OnCollisionEnter(Collision other)
+        {
+            if (other.gameObject.TryGetComponent<PlayerController>(out var player))
+            {
+                _onPlayerHit?.Invoke();
+                Destroy(gameObject);
+            }
+        }
     }
 }