ci: GitHub Pages 자동 배포 워크플로우 추가 #1

	name: Deploy to GitHub Pages

	on:
	# main에 push될 때마다 자동 배포
	push:
	branches: [main]

	# Actions 탭에서 수동 실행 허용 (롤백/재배포에 유용)
	workflow_dispatch:

	# GITHUB_TOKEN에 필요한 권한 부여 (Pages 배포용)
	permissions:
	contents: read
	pages: write
	id-token: write

	# 동시 배포 방지 (이전 배포 끝나기 전 새 push가 와도 큐 처리)
	concurrency:
	group: pages
	cancel-in-progress: false

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

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

	- name: Install dependencies
	run: npm ci

	- name: Build (production, all locales)
	run: npm run build

	- name: Setup Pages
	uses: actions/configure-pages@v5

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./build

	deploy:
	name: Deploy
	needs: build
	runs-on: ubuntu-latest
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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