Add playwright to e2e tests workflow (#176520)

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

.github/workflows/e2e-tests.yml

@@ -31,7 +31,6 @@ jobs:
             runs-on: ubuntu-24.04-arm
     env:
       BASE_URL: http://localhost:8123
-      CURL_OPTS: --silent --max-time 10
     services:
       homeassistant:
         image: ghcr.io/home-assistant/home-assistant${{ startsWith(inputs.version, 'sha256:') && '@' || ':' }}${{ inputs.version }} # zizmor: ignore[unpinned-images]
@@ -44,28 +43,43 @@ jobs:
           --health-interval=5s
           --health-retries=60
     steps:
-      - name: Check frontend is served
-        run: |
-          # Pre-onboarding, / redirects to /onboarding.html; --location follows it
-          status=$(curl $CURL_OPTS --location --output /dev/null --write-out '%{http_code}' "$BASE_URL/")
-          if [ "$status" -ne 200 ]; then
-            echo "::error::Expected HTTP 200 from frontend, got $status"
-            exit 1
-          fi
+      - name: Check out code from GitHub
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
 
-      - name: Check onboarding API responds
-        run: |
-          curl $CURL_OPTS --fail "$BASE_URL/api/onboarding" \
-            | jq -e 'type == "array" and length > 0'
+      - name: Set up pnpm
+        uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v6.0.9
+        with:
+          package_json_file: tests/e2e/package.json
 
-      - name: Check container is still running
-        env:
-          CONTAINER: ${{ job.services.homeassistant.id }}
-        run: |
-          if [ "$(docker inspect -f '{{.State.Running}}' "$CONTAINER")" != "true" ]; then
-            echo "::error::Container is no longer running after checks"
-            exit 1
-          fi
+      - name: Set up Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: "24"
+          cache: pnpm
+          cache-dependency-path: tests/e2e/pnpm-lock.yaml
+
+      - name: Install E2E test dependencies
+        working-directory: tests/e2e
+        run: pnpm install --frozen-lockfile
+
+      - name: Install Playwright browser
+        working-directory: tests/e2e
+        run: pnpm exec playwright install --with-deps chromium
+
+      - name: Run Playwright E2E tests
+        working-directory: tests/e2e
+        run: pnpm exec playwright test
+
+      - name: Upload Playwright report
+        if: always()
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: playwright-report-${{ matrix.arch }}
+          path: |
+            tests/e2e/playwright-report/
+            tests/e2e/test-results/
 
       - name: Dump container logs
         if: always()