リポジトリの絶対ルール（DB境界・契約ファースト・作業範囲制御）を強制する
.codex/skills/repo-guardrails/SKILL.md
Use when you have lint errors, formatting issues, or before committing code to ensure it passes CI.
This skill should be used when the user asks to "update documentation for my changes", "check docs for this PR", "what docs need u...
Write docstrings for PyTorch functions and methods following PyTorch conventions. Use when writing or updating docstrings in PyTor...