The smoke step polled /guide/actuator/health for only 60s, but the Spring
Boot backend restart after `compose up -d` needs longer to warm up — so a
successful deploy was marked FAILED (run #6, PR #11). Poll 30x10s (~5 min)
and echo attempts. No change to the deploy itself.
Closes#12
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>