- Add 3 new Claude skills: investigate (Iron Law debugging), security-audit
(OWASP Top 10 + STRIDE), ship (gated release pipeline)
- Port all 3 skills to Codex v4 format under .codex/skills/ using
Deep Interaction pattern (spawn_agent + assign_task phase transitions)
- Update README/README_CN acknowledgments: credit gstack
(https://github.com/garrytan/gstack) as inspiration source
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>