feat: Unified ResourceLoader

- 新增 统一 `ResourceLoader`类，负责同步/异步加载资源，并对已加载的资源缓存。
- 修改 `MusicTransition`, `AudioSystem`, `LongAudioContainerPlayer`, `MusicSegment`, 'SfxSystem`, `HapticSystem`使用最新的`ResourceLoader`。

Assets/Scripts/OCES/Audio/HandWritten/LongAudio/LongAudioContainerPlayer.cs

@@ -340,7 +340,12 @@ namespace OCES.Audio
                 return null;
             }
 
-            AudioClip clip = Resources.Load<AudioClip>($"Audios/{segment.Name}");
+            // AudioClip clip = Resources.Load<AudioClip>($"Audios/{segment.Name}");
+            AudioClip clip = null;
+            AudioSystem.Instance.ResourceLoader.LoadAsync<AudioClip>($"Audios/{segment.Name}", loadedClip =>
+            {
+                clip = loadedClip;
+            });
             if (!clip)
             {
                 Debug.LogError($"[LongAudioContainerPlayer] 音频文件未找到: {segment.Name}");

Assets/Scripts/OCES/Audio/HandWritten/LongAudio/MusicSegment.cs

@@ -16,7 +16,7 @@ namespace OCES.Audio
         {
             foreach (MusicSegment segment in this.m_musicSegmentInfos.Values)
             {
-                AudioClip clip = Resources.Load<AudioClip>($"Audios/{segment.Name}");
+                AudioClip clip = AudioSystem.Instance.ResourceLoader.LoadSync<AudioClip>($"Audios/{segment.Name}");
                 if (!clip)
                 {
                     Debug.LogError($"[MusicSegmentConfig] 音频文件未找到: {segment.Name}, SegmentId: {segment.Id}");