Convert complete subtitle files or pasted subtitle text into a strict full short-drama/manhua-drama script. Use when the user provides SRT/VTT/TXT subtitles, episode subtitles, raw captions, timestamped dialogue, or asks to 根据字幕修改剧本、字幕推导完整剧本、从字幕还原剧本、把完整字幕改成完整短剧/漫剧/影视剧本、按剧本格式输出. Must preserve all subtitle content and output in professional script format, not a line-number transcript.
