Summarize Fast CLI to summarize URLs, local files, and YouTube links. When to use (trigger phrases) Use this skill immediately when the user asks any of: - "use summarize.sh" - "what's this link/video about?" - "summarize this URL/article" - "transcribe this YouTube/video" (best-effort transcript extraction; no needed) Quick start YouTube: summary vs transcript Best-effort transcript (URLs only): If the user asked for a transcript but it's huge, return a tight summary first, then ask which section/time range to expand. Model + keys Set the API key for your chosen provider: - OpenAI: - Anthrop…