Enhance model display script functionality #74

	name: Build and Deploy CityGenerator to GitHub Pages

	on:
	push:
	branches:
	- master
	- main
	workflow_dispatch:

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

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

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '22'
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Build static site (with webpack config)
	run: \|
	if [ -f webpack.config.js ]; then
	npx webpack --config webpack.config.js
	else
	npm run build
	fi

	- name: Install pm2 globally
	run: npm install -g pm2

	- name: Start app with pm2 (for CI test only, not for Pages)
	run: \|
	if [ -f citygenerator.config.js ]; then
	pm2 start citygenerator.config.js
	else
	echo "No PM2 config found, skipping PM2 start."
	fi

	- name: List pm2 processes (for build logs)
	run: pm2 list

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

	- name: Upload static site artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: './dist' # Change if your build output is elsewhere

	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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