chore: develop -> master ff-only 머지 자동화 액션 추가 #2

	name: FF-Only Merge to Master

	on:
	pull_request_review:
	types: [submitted]

	jobs:
	ff-merge:
	if: \|
	github.event.review.state == 'approved' &&
	github.event.pull_request.base.ref == 'master' &&
	github.event.pull_request.head.ref == 'develop' &&
	github.event.pull_request.state == 'open'
	runs-on: ubuntu-latest

	steps:
	- name: 승인 상태 확인
	id: approvals
	uses: actions/github-script@v7
	with:
	script: \|
	const { data: reviews } = await github.rest.pulls.listReviews({
	owner: context.repo.owner,
	repo: context.repo.repo,
	pull_number: context.payload.pull_request.number,
	});

	const latest = {};
	for (const r of reviews) {
	if (r.state !== 'COMMENTED') {
	latest[r.user.login] = r.state;
	}
	}

	const values = Object.values(latest);
	const approved = values.filter(s => s === 'APPROVED').length >= 1;
	const blocked = values.some(s => s === 'CHANGES_REQUESTED');

	core.setOutput('ready', approved && !blocked ? 'true' : 'false');

	- name: Checkout
	if: steps.approvals.outputs.ready == 'true'
	uses: actions/checkout@v4
	with:
	token: ${{ secrets.PAT }}
	fetch-depth: 0

	- name: Git 설정
	if: steps.approvals.outputs.ready == 'true'
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"

	- name: FF-Only merge develop → master
	if: steps.approvals.outputs.ready == 'true'
	run: \|
	git checkout master
	git merge --ff-only origin/develop
	git push origin master

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