chore(docs): add JSDoc guardrail to CLAUDE.md always-on guardrails

[PierreBrisorgueil]

Summary

• Add JSDoc header requirement to the Always-on guardrails section of CLAUDE.md
• Add pr skill monitor loop entry to ERRORS.md

Closes #3155

Why

The JSDoc requirement was already documented in copilot-instructions.md and ERRORS.md but missing from CLAUDE.md. The Vue stack has this guardrail in its CLAUDE.md — this aligns both stacks consistently.

Scope

One line addition in CLAUDE.md + one line in ERRORS.md — no functional impact.

Validation

• No functional change
• Aligned with Vue stack CLAUDE.md and Node copilot-instructions.md

Guardrails

• No secrets or credentials
• No cross-module coupling
• Merge-friendly for downstream projects

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📥 Commits

Reviewing files that changed from the base of the PR and between 88fd47e and 5a5fbd1.

📒 Files selected for processing (2)

• CLAUDE.md
• ERRORS.md

📝 Walkthrough

Walkthrough

Added a new always-on guardrail to CLAUDE.md requiring JSDoc headers (one-line description, @param for each argument, and @returns for non-void/async functions) and updated ERRORS.md changelog entries (added 2026-02-23 entry; one-line no-op adjustment for 2026-02-22).

Changes

Cohort / File(s)	Summary
Guardrails doc CLAUDE.md	New requirement: every new or modified function must include a JSDoc header with a one-line description, @param for each argument, and @returns for non-void/async functions.
Change log ERRORS.md	Updated changelog: removed/re-added a 2026-02-22 line (no-op) and added a 2026-02-23 entry describing an updated PR skill workflow to remain in the monitor loop after gh pr ready. No functional code changes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• docs(guardrails): enforce JSDoc on every new or modified function #3143 — Introduces the same JSDoc guardrail (description, @param, @returns) and related documentation updates.

Poem

🐇 I hopped through lines both old and new,
A tiny note for functions, neat and true.
Describe, list params, and returns in sight—
My JSDoc carrots shine so bright! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: adding a JSDoc guardrail requirement to CLAUDE.md's always-on guardrails section.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description check	✅ Passed	The pull request description covers all key required sections: Summary (what changed and why), Scope (module impact and risk level), and Guardrails checks (no secrets, no risky changes, merge-friendly). The description is well-structured, provides clear rationale for the changes, and references the related issue.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/add-jsdoc-guardrail

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[Copilot]

Pull request overview

This PR adds the JSDoc header requirement to the Always-on guardrails section of CLAUDE.md, aligning it with the existing documentation in copilot-instructions.md and ERRORS.md. This ensures consistency across all AI instruction files in the repository.

Changes:

• Added JSDoc guardrail bullet point to CLAUDE.md's Always-on guardrails section

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.85%. Comparing base (f97b05e) to head (5a5fbd1).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3154   +/-   ##
=======================================
  Coverage   89.85%   89.85%           
=======================================
  Files          52       52           
  Lines        1163     1163           
  Branches      233      233           
=======================================
  Hits         1045     1045           
  Misses        107      107           
  Partials       11       11           

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[Copilot]

Pull request overview

Copilot reviewed 1 out of 2 changed files in this pull request and generated no new comments.