Generate and send video messages with a lip-syncing VRM avatar. Use when user asks for video message, avatar video, video reply, or when TTS should be delivered as video instead of audio.

生成并发送带有唇形同步VRM头像的视频消息。当用户请求视频消息、头像视频、视频回复，或需要以视频而非音频形式播放TTS时使用。