USAGE:
  sediment delivery replay [-h] [--directory DIRECTORY] [--watch]
                           [--retry-blocked]

OPTIONS:
  -h, --help            show this help message and exit
  --directory DIRECTORY
                        private buffer (default: SEDIMENT_DELIVERY_DIR)
  --watch               supervise replay until stopped
  --retry-blocked       retry blocked payloads once; stop the existing worker
                        first
