Add distinction between managed awake and managed start

Assets/Scripts/Core/ItemManager.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using UnityEngine;
 using Interactions;
@@ -50,15 +50,13 @@ namespace Core
 
         public override int ManagedAwakePriority => 75; // Item registry
         
-        private new void Awake()
+        protected override void OnManagedAwake()
         {
-            base.Awake(); // CRITICAL: Register with LifecycleManager!
-            
-            // Set instance immediately so it's available before OnManagedAwake() is called
+            // Set instance immediately (early initialization)
             _instance = this;
         }
         
-        protected override void OnManagedAwake()
+        protected override void OnManagedStart()
         {
             Logging.Debug("[ItemManager] Initialized");
         }