Use when user says "wrap up", "close session", "end session", "wrap things up", "close out this task", or invokes /wrap-up — runs end-of-session checklist for memory, and self-improvement based on https://www.reddit.com/r/Anthropic/comments/1rq0m7r/selfimprovement_loop_my_favorite_claude_code_skill/
Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from YouTube. Also use when user wants to transcribe or get captions/subtitles from a YouTube video. Uses yt-dlp.