Download audio from a GETTR post (via HTML og:video), transcribe it locally with MLX Whisper on Apple Silicon (with timestamps via VTT), and summarize the transcript into bullet points and/or a timestamped outline. Use when given a GETTR post URL and asked to produce a transcript or summary.

从GETTR帖子下载音频（通过HTML的og:video），使用MLX Whisper在Apple Silicon设备上本地转录（含VTT格式的时间戳），并将转录内容总结为要点或带时间戳的提纲。当提供GETTR帖子链接并需要生成转录或摘要时使用。