test: add browser acceptance matrix

.gitea/workflows/quality.yml

@@ -16,4 +16,13 @@ jobs:
           cache: npm
       - run: npm ci
       - run: npm run quality
+      - run: npx playwright install --with-deps chromium
+      - run: npm run test:browser:ci
+      - name: Preserve browser failure evidence
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: forgeflow-browser-failure-evidence
+          path: artifacts/
+          if-no-files-found: ignore
       - run: npm audit --omit=dev --audit-level=high