Fetch and summarize AI/LLM热点 into a PM-focused daily digest from X API, account RSS mirrors, or RSS/Atom sources. Use when you need to collect AI大模型热点, run the bundled fetch script in keyword/account/feed mode, format results into Chinese with the required labeled lines (内容概要/AI PM关注点/如何设计/市场反馈/标签/评注), or publish to WeChat Official Account via draft/add and freepublish/submit (requires AppID/AppSecret and thumb_media_id).