- start-container: generous startretries + startsecs and graceful SIGTERM
stopwaitsecs for queue/scheduler/horizon, so a transient boot failure (e.g.
DB not ready) no longer marks a worker FATAL forever and silently drops jobs,
and an in-flight job finishes before SIGKILL on deploy/restart.
- container-health: new HEALTHCHECK that reports UNHEALTHY when php-fpm/nginx or
any enabled queue/scheduler/horizon worker is not RUNNING, so a dead worker
surfaces in docker ps / orchestration instead of letting jobs pile up.
