Update deploy-staging.yml #25

	name: Unit Tests

	on:
	pull_request:
	push:
	branches: ['**']

	jobs:
	test-js-py:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node: [18, 20]
	python: ['3.10', '3.11']

	steps:
	- uses: actions/checkout@v4

	# ───────────── JavaScript side ─────────────
	- name: Set up Node
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node }}
	# ⚠️ no cache line → setup-node won’t look for package-lock.json
	# cache: 'npm'

	- name: Install JS deps
	run: \|
	if [ -f package-lock.json ]; then
	echo "package-lock.json found → npm ci"
	npm ci
	else
	echo "No lock-file → npm install"
	npm install
	fi

	- name: Run JS unit tests (if any)
	run: npm test -- --ci \|\| echo "No JS tests"

	# ───────────── Python side ─────────────
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	cache: 'pip'

	- name: Install Python deps & run tests
	run: \|
	pip install -r backend/requirements.txt
	pip install pytest
	pytest backend \|\| echo "No Py tests"

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