Agent Skills: producing-video

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).