ci: add flaky-test management (#489) #3

	# Enforce Conventional Commits on every PR to the default branch (and the PR title).
	# Reads commitlint.config.mjs at the repo root (extends @commitlint/config-conventional).
	# No local install needed — the action bundles commitlint. See CLAUDE.md §3.2.
	name: Commitlint

	on:
	pull_request:
	branches:
	- main
	types: [opened, edited, synchronize, reopened]

	concurrency:
	group: ${{ github.ref }}-${{ github.workflow }}
	cancel-in-progress: true

	permissions:
	contents: read
	pull-requests: read

	jobs:
	commitlint:
	name: Lint commit messages
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Lint PR commits
	uses: wagoid/commitlint-github-action@v6
	with:
	configFile: commitlint.config.mjs

	- name: Lint PR title
	if: github.event_name == 'pull_request'
	env:
	PR_TITLE: ${{ github.event.pull_request.title }}
	run: \|
	set -euo pipefail
	# Install both @commitlint/cli AND the extended shareable config so the
	# `extends: ['@commitlint/config-conventional']` in commitlint.config.mjs resolves.
	echo "$PR_TITLE" \| npx --yes -p @commitlint/cli -p @commitlint/config-conventional \
	commitlint --config commitlint.config.mjs

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