Update testing audio.

AGENTS.md

@@ -6,6 +6,13 @@ Unity 2022.3.62f3, URP, C#. Custom audio & haptic middleware under the namespace
 
 ---
 
+## Agent Guidelines
+
+- **称呼**：在沟通中始终称呼用户为「思谦」或「王思谦」。
+- **存疑必问**：遇到任何不确定、拿不准、信息缺失或模糊的情况，不要自行推测或假设。先收集、整理好所有问题，然后停下来向思谦提问确认。宁可多问，不要猜错。
+
+---
+
 ## Architecture
 
 ```

Assets/Scripts/OCES/Audio/HandWritten/Editor/AudioImportTool.cs

@@ -9,20 +9,20 @@ namespace OCES.Audio
 
     public static class AudioImportTool
     {
-        static AudioExtendSettings s_settings;
+        static AudioExtendSettings _settings;
 
         static AudioExtendSettings Settings
         {
             get
             {
-                if (s_settings == null)
+                if (_settings == null)
                 {
-                    s_settings = AssetDatabase.LoadAssetAtPath<AudioExtendSettings>(
+                    _settings = AssetDatabase.LoadAssetAtPath<AudioExtendSettings>(
                         "Assets/Settings/AudioExtendSettings.asset");
-                    if (s_settings == null)
+                    if (_settings == null)
                         Debug.LogError("[AudioImportTool] 无法加载 AudioExtendSettings.asset，请确保资产存在于 Assets/Settings/ 目录");
                 }
-                return s_settings;
+                return _settings;
             }
         }