Extract metadata from Xiaohongshu (XHS) share or discovery URLs by parsing window.__INITIAL_STATE__ and returning note details. Use when asked to fetch XHS page content, note metadata, video info, or engagement stats from a public XHS link.

通过解析 window.__INITIAL_STATE__ 从小红书分享或发现链接中提取元数据，并返回笔记详情。当需要从公开的小红书链接获取页面内容、笔记元数据、视频信息或互动数据时使用。