feat(ci): add commitlint workflow and configuration #1

	name: Lint Commit Messages

	on:
	pull_request:
	types: [opened, edited, reopened, synchronize]

	permissions:
	contents: read
	pull-requests: read

	jobs:
	lint-pr-title:
	name: Lint PR Title
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'

	- name: Install commitlint
	run: \|
	npm install --save-dev @commitlint/[email protected] @commitlint/[email protected]

	- name: Validate PR title
	env:
	PR_TITLE: ${{ github.event.pull_request.title }}
	run: \|
	echo "Validating PR title: $PR_TITLE"
	echo "$PR_TITLE" \| npx commitlint --verbose

	commitlint:
	name: Lint Commit Messages
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Fetch all history for all branches and tags

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'

	- name: Install commitlint
	run: \|
	npm install --save-dev @commitlint/[email protected] @commitlint/[email protected]

	- name: Validate PR commits
	run: \|
	# Get the base branch (usually main)
	BASE_SHA=$(git merge-base origin/${{ github.base_ref }} HEAD)

	# Lint all commits in the PR
	npx commitlint --from $BASE_SHA --to HEAD --verbose

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