docs: add AI attribution policy #502

	name: "Label PR by conventional commit prefix"

	on:
	pull_request_target:
	types: [opened, edited, synchronize]
	merge_group:

	jobs:
	label:
	runs-on: ubuntu-latest
	permissions:
	pull-requests: write
	issues: write
	steps:
	- name: Apply label based on PR title prefix
	if: github.event_name == 'pull_request_target'
	uses: actions/github-script@v7
	with:
	script: \|
	const title = context.payload.pull_request.title;
	const labelMap = {
	'feat': 'enhancement',
	'fix': 'bug',
	'docs': 'documentation',
	'test': 'testing',
	'perf': 'enhancement',
	'refactor': 'enhancement',
	'ci': 'integrations',
	'chore': null,
	'build': null,
	'style': null,
	'revert': null,
	'release': null,
	};

	const match = title.match(/^(\w+)[\(!\:]/);
	if (!match) { core.setFailed(`PR title "${title}" does not match conventional commit format.`); return; }

	const prefix = match[1];
	const label = labelMap[prefix];
	if (label === undefined) { core.setFailed(`PR title prefix "${prefix}" is not a recognized conventional commit type.`); return; }
	if (!label) return;

	await github.rest.issues.addLabels({
	owner: context.repo.owner,
	repo: context.repo.repo,
	issue_number: context.payload.pull_request.number,
	labels: [label],
	});
	- name: Skip label in merge queue
	if: github.event_name == 'merge_group'
	run: echo "PR title already validated at PR open/edit time"

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