ci: run playwright e2e suite on github runners

.github/workflows/ci.yml

@@ -25,3 +25,27 @@ jobs:
       - run: npm run typecheck
       - run: npx vitest run
       - run: npx quasar build -m pwa
+
+  e2e:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: npm
+      - run: npm ci
+      - run: npm ci --prefix src-pwa
+      # no system chromium on the runners: playwright.config.ts only forces an
+      # executablePath when CHROMIUM_PATH or a system chromium exists, so the
+      # bundled browser installed here is used
+      - run: npx playwright install --with-deps chromium
+      - run: npm run test:e2e
+      - if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: playwright-report
+          path: |
+            playwright-report/
+            test-results/
+          retention-days: 7