Generate SRT subtitles and platform-optimized captions from a video script. Supports multi-language, timing sync, and per-platform caption formats. Use when the user asks to add subtitles / generate subtitles / make a subtitle file / short-video subtitles / burn in subtitles / generate captions / add captions / make an SRT. Do NOT use for burning subtitles into video (see video-editor), translating audio (use a transcription tool), or styling thumbnails.
