feat(frontend): automated accessibility testing with jest-axe (closes #132) #1

	name: Frontend CI

	on:
	push:
	branches: [main, develop]
	paths:
	- 'app/frontend/**'
	- '.github/workflows/frontend-ci.yml'
	pull_request:
	branches: [main, develop]
	paths:
	- 'app/frontend/**'
	- '.github/workflows/frontend-ci.yml'

	jobs:
	test:
	name: Frontend tests & accessibility audit
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: app/frontend

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

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

	- name: Setup pnpm
	uses: pnpm/action-setup@v4
	with:
	version: 9

	- name: Get pnpm store directory
	id: pnpm-cache
	run: echo "store-dir=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT"

	- name: Cache pnpm modules
	uses: actions/cache@v4
	with:
	path: ${{ steps.pnpm-cache.outputs.store-dir }}
	key: ${{ runner.os }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }}
	restore-keys: \|
	${{ runner.os }}-pnpm-

	- name: Install dependencies
	run: pnpm install --frozen-lockfile

	- name: Type check
	run: pnpm type-check

	- name: Lint
	run: pnpm lint --max-warnings=0

	- name: Run unit & jest-axe accessibility tests
	# --ci ensures deterministic output and a clean exit code on test failures.
	run: pnpm jest --ci --colors=false

	- name: Upload test summary
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: frontend-test-summary
	path: \|
	app/frontend/coverage
	if-no-files-found: ignore
	retention-days: 7

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