fix: improve dependency installation in demo deployment workflow #2

	name: Deploy Demo (Next.js static export) to GitHub Pages

	on:
	push:
	branches: [main]
	workflow_dispatch:

	permissions:
	contents: read
	pages: write
	id-token: write

	concurrency:
	group: "pages"
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

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

	- name: Install dependencies (use lockfile if present)
	run: \|
	if [ -f package-lock.json ]; then
	echo "Using npm ci with package-lock.json";
	npm ci;
	else
	echo "No package-lock.json found. Falling back to npm install";
	npm install;
	fi

	- name: Build demo for GitHub Pages
	run: npm run build:gh --workspace=@crest-ui/demo

	- name: Upload static site
	uses: actions/upload-pages-artifact@v3
	with:
	path: apps/demo/out

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

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