ljg-push 是做什麼的?
把 ~/.claude/skills/ljg-* 裡所有更新過的 skills 同步到 github repo (ljg-skills),先推 master 分支(org-mode 輸出風格),再切 md 分支(markdown 輸出風格)做基礎 markdown 化後推。Use when user says '/ljg-push', 'push skills', '推送 skills', '同步 skills', 'sync ljg', or whenever ljg-* skills get updated and need shipping. NOT FOR pushing non-ljg skills or arbitrary git repos.