AudioManager add suspend (#2887)

* feat: `AudioManager` add `suspend`

packages/core/src/audio/AudioManager.ts

@@ -10,6 +10,14 @@ export class AudioManager {
   private static _resumePromise: Promise<void> = null;
   private static _needsUserGestureResume = false;
 
+  /**
+   * Suspend the audio context.
+   * @returns A promise that resolves when the audio context is suspended
+   */
+  static suspend(): Promise<void> {
+    return AudioManager._context.suspend();
+  }
+
   /**
    * Resume the audio context.
    * @remarks On iOS Safari, calling this within a user gesture (e.g., click/touch event handler) can pre-unlock audio and reduce playback delay.