Last life cycle refactor updates + add comprehensive documentation (#57)

Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #57

Assets/Scripts/Minigames/DivingForPictures/DivingGameManager.cs

@@ -103,7 +103,6 @@ namespace Minigames.DivingForPictures
 
         public static DivingGameManager Instance => _instance;
 
-        public override int ManagedAwakePriority => 190;
         public override bool AutoRegisterPausable => true; // Automatic GameManager registration
 
         internal override void OnManagedAwake()
@@ -161,10 +160,8 @@ namespace Minigames.DivingForPictures
             }
         }
 
-        protected override void OnDestroy()
+        internal override void OnManagedDestroy()
         {
-            base.OnDestroy(); // Handles auto-unregister from GameManager
-            
             // Unsubscribe from events when the manager is destroyed
             PlayerCollisionBehavior.OnDamageTaken -= OnPlayerDamageTaken;
             OnMonsterSpawned -= DoMonsterSpawned;