dual-subtitles-srtlisted

# Dual Subtitles SRT ## Purpose Create one synchronized dual-language SRT track: ```text source-language line 1 source-language line 2, if needed target-language line 1 target-language line 2, if needed ``` Use one combined track because two independently active subtitle tracks often share the same screen area and overlap. The language pair may use any common language tag accepted by this tool and supported by the translation provider and subtitle renderer. Default to English (`en`) above Indonesian (`id`) when the user names no pair. This skill starts from a trusted source-language transcript: an existing release-matched sidecar, a text subtitle stream extracted from the movie, or an SRT generated separately with speech recognition. The bundled script does not perform speech recognition. It also normalizes cue text, so styling tags and intentional source line breaks are not preserved. ## Default Contract A bare request to "use the subtitle skill" authorizes this complete workflow. Do not make the user repeat these requirements: 1. Locate the exact movie and its existing or embedded source-language transcript. Use the transcript matched to that movie release as the timing authority. 2. Back up every active subtitle, cache, and verification file before replacing it. 3. Probe the media, then compare real dialogue with source cues near the beginning, middle, and end. Inspect before the first cue and after the last. Do not shift timing without a measured, s