2026-07-10 今日可练技能：用 crawl4AI 做一个最小 RAG 网页抽取任务

![配图](https://opengraph.githubassets.com/itlab-20260710/unclecode/crawl4AI) ![配图](https://raw.githubusercontent.com/unclecode/crawl4AI/main/docs/assets/pitch-da