--- name: producing-video description: Turn a user-provided voiceover audio file + SRT subtitle into a finished, narration-synced MP4 using HyperFrames (HTML-to-video). The audio + SRT are the source of truth — scenes are timed to the SRT cues, content is read from the SRT, and the audio is muxed in automatically. Use when the user hands over an mp3/wav + srt and wants a video, says "把音频做成视频", "做一期视频", "audio + srt to video", "把这期早读做成视频", "render this narration into a video", or provides a recording + subtitles for an explainer / daily / 解读 / 口播. NOT for generating the voiceover (that's the user's job here) and NOT for slide decks (use a slides skill). --- # Producing-Video · 音频 + 字幕 → 成片 把"用户已经录好的口播音频 + SRT 字幕"做成一条**画面跟着声音走**的 MP4。用 HyperFrames(HTML 即视频)出片。 **铁律:音频和 SRT 是唯一事实源。** 画面的内容来自 SRT,画面的时间轴来自 SRT 的 cue 时间戳,音频作为一个 `