usage: job_subscriber.py [-h] (--job JOB | --wait-any) [--timeout TIMEOUT]
                         [--idle-timeout IDLE_TIMEOUT] [--expect-retention]
                         [--registry-dir REGISTRY_DIR] [-v]

Subscribe to Job events on MQTT

optional arguments:
  -h, --help            show this help message and exit
  --job JOB             job id to watch
  --wait-any            watch every pending/running job in the registry
  --timeout TIMEOUT     wall-clock budget in seconds (default: job.timeout_sec
                        or 3600)
  --idle-timeout IDLE_TIMEOUT
                        max seconds with no new event (default:
                        job.idle_timeout_sec or 120)
  --expect-retention    warn if no retained terminal event arrives promptly
  --registry-dir REGISTRY_DIR
  -v, --verbose