Bump actions/checkout from 4 to 6 #3

	name: Lint and Static Checks

	on:
	pull_request:
	workflow_dispatch:

	concurrency:
	group: lint-${{ github.ref }}
	cancel-in-progress: true

	permissions: read-all

	jobs:
	lint:
	runs-on: ubuntu-latest
	timeout-minutes: 15

	steps:
	- name: Checkout
	uses: actions/checkout@v6
	with:
	ref: ${{ github.head_ref }}

	- name: Setup Node.js
	uses: actions/setup-node@v6
	with:
	node-version: '20'

	- name: Install dependencies
	run: \|
	if [ ! -f package.json ]; then
	echo "No package.json found. Skipping npm install."
	exit 0
	fi
	if [ -f package-lock.json ]; then
	echo "package-lock.json found. Running fast install (npm ci)..."
	npm ci
	else
	echo "package-lock.json NOT found. Generating it (npm install)..."
	npm install --no-audit --no-fund
	fi

	- name: Run project lint script when available
	run: \|
	if [ -f package.json ]; then
	npm run lint --if-present
	else
	echo "No package.json found. Skipping lint."
	fi

	- name: Validate JavaScript syntax
	run: \|
	if [ -d api ]; then
	while IFS= read -r -d '' file; do
	node --check "$file"
	done < <(find api -type f -name '*.js' -print0)
	else
	echo "No api/ directory found. Skipping JavaScript syntax validation."
	fi

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