- Add scripts/smoke-test.sh — hits health, readiness, and critical API
endpoints (listings, search, subscriptions) post-deploy
- Add smoke-test-staging job that runs after staging deploy with Slack
notification on failure
- Add smoke-test-production job that runs after production deploy with
success notification
- Add rollback-production job triggered on smoke test failure — reverts
to previous container images and notifies via Slack
Co-Authored-By: Paperclip <noreply@paperclip.ing>