Phase Gate Monitor #12

	name: Phase Gate Monitor
	on:
	issues:
	types: [closed]
	schedule:
	- cron: '0 9 * * 1' # Every Monday at 9 AM UTC

	jobs:
	check-gates:
	runs-on: ubuntu-latest
	steps:
	- name: Check milestone completion
	uses: actions/github-script@v7
	with:
	script: \|
	const milestones = await github.rest.issues.listMilestones({
	owner: context.repo.owner,
	repo: context.repo.repo,
	state: 'open'
	});

	for (const ms of milestones.data) {
	const total = ms.open_issues + ms.closed_issues;
	if (total === 0) continue;

	const pct = Math.round((ms.closed_issues / total) * 100);

	// Phase complete!
	if (ms.open_issues === 0) {
	// Check if we already created a completion issue
	const existing = await github.rest.issues.listForRepo({
	owner: context.repo.owner,
	repo: context.repo.repo,
	labels: 'phase-complete',
	state: 'all'
	});
	const alreadyDone = existing.data.some(i => i.title.includes(ms.title));
	if (alreadyDone) continue;

	await github.rest.issues.create({
	owner: context.repo.owner,
	repo: context.repo.repo,
	title: `🎉 ${ms.title} — COMPLETE (${total} tasks)`,
	body: `## ✅ Phase Complete\n\nAll ${total} tasks in ${ms.title} are done.\n\n### Gate Checklist\n- [ ] All tests pass\n- [ ] Manual smoke test passed\n- [ ] No P0 bugs open\n- [ ] ADRs written for any plan deviations\n- [ ] Ready to begin next phase\n\n### Summary\nPhase closed automatically when all ${total} issues were resolved.`,
	labels: ['phase-complete']
	});
	console.log(`🎉 ${ms.title} complete!`);
	}
	}

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