The prerender fix only prevents regression if the build is actually run in CI. Without this gate, a future prerendered route that becomes unreachable behind auth would fail silently until someone runs the build manually. Fits after the test step in the existing unit-tests job — no new job needed since node_modules is already cached for the Playwright container. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>