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中文 SRT 字幕上线发布专业级精修与校验。用于把基于 ASR 的原始字幕清洗为可上线版本，只做字幕级清洗和纠错，不做书面化改写、总结或扩写；同时保持与原音频严格同步，必要时仅在原字幕时间范围内拆分条目，并输出一份完整的 clean SRT，再用随附校验脚本做最终规则检查和时间轴复核。适用于纪录片、访谈、口播、录屏等需要修正识别错误、删除语气词、补停顿空格、限制单条字数、避免误删有意义字幕的任务。

Create or refine clean, shape-aware visualizations for tensor, matrix, and vector formulas or tensor code. Use for matrix-block diagrams, entry heatmaps, row/column shard stripes, stacked 3D/4D tensors, attention, tensor parallelism, broadcasting, reductions, contractions, and any explanation where tensor shapes or dimension meanings should be visually aligned with the computation.

Generate a professional, detailed, figure-rich LaTeX course note and final PDF from a YouTube lecture, tutorial, or technical talk. Use when the user provides a YouTube URL and wants structured Chinese teaching notes that combine the video's title, chapters, diagrams, formulas, code, subtitle explanations, the original video cover on the front page, and a final synthesis chapter, with key frames extracted from the highest usable video resolution and inserted as figures, and where the final deliverable must include a rendered PDF.

Generate a professional, detailed, figure-rich LaTeX course note and final PDF from a Bilibili lecture, tutorial, or technical talk. Use when the user provides a Bilibili URL (BV number) and wants structured Chinese teaching notes that combine the video's title, chapters, diagrams, formulas, code, subtitle explanations, the original video cover on the front page, and a final synthesis chapter, with key frames extracted from the highest usable video resolution and inserted as figures, and where the final deliverable must include a rendered PDF. Falls back to Whisper speech-to-text when no CC subtitles are available.