Method storeAudioBufferPersistent

src/monogatari.ts:1141–1143

* Store a decoded AudioBuffer in persistent storage (IndexedDB) * @param key - Cache key (e.g., 'music/theme') * @param buffer - AudioBuffer to store

(key: string, buffer: AudioBuffer)

   * @param buffer - AudioBuffer to store
   */
  static async storeAudioBufferPersistent(key: string, buffer: AudioBuffer): Promise<void> {
    return _storeAudioBufferPersistent(this.asEngine(), key, buffer);
  }

  /**
   * Retrieve a decoded AudioBuffer from persistent storage (IndexedDB)