2026-07-15 每日技能练习：用 Destructive Command Guard 给 Codex 或 Claude Code 做一次最小护栏验证

![配图](https://opengraph.githubassets.com/itlab-20260715/Dicklesworthstone/destructive_command_guard) ![配图](https://github.com/Dicklesworthstone/destructive_comm