- 删除 VoiceBroadcastDeduplicationService(去重服务) - 新增 VoiceBroadcastService 作为 TTS 统一入口 - broadcast(deviceId, text): 同步播报 - broadcast(deviceId, text, volume): 带音量播报 - broadcastAsync(): 异步播报 - 简化设计:接受 deviceId 参数,不实现复杂去重逻辑 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>