@W-23336786 Add flexibility to PR title check (docs: prefix and skip-title-check label) #1646

	name: PR Title Check

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

	jobs:
	check-title:
	runs-on: ubuntu-latest
	permissions:
	issues: write
	steps:
	- name: Ensure skip-title-check label exists
	if: github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]'
	uses: actions/github-script@v7
	with:
	script: \|
	const name = 'skip-title-check';
	try {
	await github.rest.issues.getLabel({ ...context.repo, name });
	} catch (error) {
	if (error.status === 404) {
	try {
	await github.rest.issues.createLabel({
	...context.repo,
	name,
	color: 'ededed',
	description: 'Bypass the PR title @W- work item check',
	});
	} catch (createError) {
	// 422 = already exists (e.g., concurrent workflow run)
	if (createError.status !== 422) {
	throw createError;
	}
	}
	} else {
	throw error;
	}
	}

	- name: Check PR title format
	if: >-
	github.event.pull_request.head.repo.full_name == github.repository &&
	github.actor != 'dependabot[bot]' &&
	!contains(github.event.pull_request.labels.*.name, 'skip-title-check')
	env:
	PR_TITLE: ${{ github.event.pull_request.title }}
	run: \|
	if [[ "${PR_TITLE,,}" =~ ^docs: ]]; then
	echo "✅ Docs PR - skipping work item number check"
	exit 0
	fi

	if [[ ! "$PR_TITLE" =~ ^@W-[0-9]+ ]]; then
	echo "❌ PR title must match the pattern '@W-<digits>' (e.g., @W-123456)"
	echo " To bypass: prefix the title with 'docs:' or add the 'skip-title-check' label."
	exit 1
	fi

	echo "✅ PR title format is valid"

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