fix(tooling): protect Codex skill frontmatter from mdformat

[LalatenduMohanty]

Exclude Codex SKILL.md files because mdformat rewrites their YAML frontmatter and breaks skill discovery.

Closes: #1312

• PR follows CONTRIBUTING.md guidelines

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Team

Run ID: ee20d693-ff41-4f46-8b86-706036ad493e

📥 Commits

Reviewing files that changed from the base of the PR and between cf4dc21 and 3e1546d.

📒 Files selected for processing (1)

• .pre-commit-config.yaml

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

---

📝 Walkthrough

Walkthrough

The mdformat pre-commit hook now excludes Agent Skill Markdown files matching ^\.agents/skills/.*/SKILL\.md$. This prevents the formatter from processing their YAML frontmatter.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 3e154

This narrowly scoped change prevents formatting of Codex skill frontmatter so skill discovery is preserved; no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description check	✅ Passed	The description clearly explains that the change excludes Codex SKILL.md files from mdformat because mdformat rewrites YAML frontmatter and breaks skill discovery.
Title check	✅ Passed	The title clearly and concisely describes the main tooling fix: protecting Codex skill frontmatter from mdformat.

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}

[rd4398]

LGTM

[mergify]

Tick the box to add this pull request to the merge queue (same as @mergifyio queue).

• Queue this pull request