- Exported ensureChromiumExecutable so the test can probe launchability. - CI runner holds the downloaded Chrome but lacks libnspr4 & co., so the binary fails at dynamic-link time; probe --version and skipIf instead of failing the release run.
- CI runner cold Chromium launch exceeded bun's 5s default test timeout, failing the v16.5.0 release run; only test in suite launching a real browser.