load sound into map collection

Assets/PerfectWorld/Scripts/Addressable/AddressableManager.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using Cysharp.Threading.Tasks;
 using UnityEngine;
 using UnityEngine.AddressableAssets;
 using UnityEngine.AddressableAssets.ResourceLocators;
@@ -12,6 +13,7 @@ namespace BrewMonster.Scripts
     public class AddressableManager : MonoSingleton<AddressableManager>
     {
         private bool _isInitialized = false;
+        private UniTaskCompletionSource _initializationTcs;
 
         private Dictionary<string, AsyncOperationHandle<GameObject>> _loadedPrefabAssets = new();
         private Dictionary<string, AsyncOperationHandle<TextAsset>> _loadedTextAssets = new();
@@ -31,10 +33,21 @@ namespace BrewMonster.Scripts
 
         public bool IsInitialized() => _isInitialized;
 
+        /// <summary>
+        /// Returns immediately if already initialized; otherwise waits for the
+        /// Addressables initialization callback without per-frame polling.
+        /// </summary>
+        public UniTask WaitUntilInitializedAsync()
+        {
+            if (_isInitialized) return UniTask.CompletedTask;
+            return _initializationTcs.Task;
+        }
+
         protected override void Initialize()
         {
             base.Initialize();
             _isInitialized = false;
+            _initializationTcs = new UniTaskCompletionSource();
             Addressables.InitializeAsync().Completed += OnInitializeComplete;
         }   
 
@@ -68,6 +81,7 @@ namespace BrewMonster.Scripts
             if (handle.Status == AsyncOperationStatus.Succeeded)
             {
                 _isInitialized = true;
+                _initializationTcs.TrySetResult();
                 BMLogger.Log($"AddressableManager: Initialized");
             }
             else