unknown flag `help'
Usage:
  pg_timetable

Application Options:
  -c, --clientname=                                Unique name for application
                                                   instance [$PGTT_CLIENTNAME]
      --config=                                    YAML configuration file
      --connstr=                                   Connection string
                                                   [$PGTT_CONNSTR]
      --no-program-tasks                           Disable executing of PROGRAM
                                                   tasks [$PGTT_NOPROGRAMTASKS]
  -v, --version                                    Output detailed version
                                                   information [$PGTT_VERSION]

Logging:
      --log-level=[debug|info|error]               Verbosity level for stdout
                                                   and log file (default: info)
      --log-database-level=[debug|info|error|none] Verbosity level for database
                                                   storing (default: info)
      --log-file=                                  File name to store logs
      --log-file-format=[json|text]                Format of file logs
                                                   (default: json)
      --log-file-rotate                            Rotate log files
      --log-file-size=                             Maximum size in MB of the
                                                   log file before it gets
                                                   rotated (default: 100)
      --log-file-age=                              Number of days to retain old
                                                   log files, 0 means forever
                                                   (default: 0)
      --log-file-number=                           Maximum number of old log
                                                   files to retain, 0 to retain
                                                   all (default: 0)

Start:
  -f, --file=                                      SQL script or YAML chain
                                                   definition file to execute
                                                   during startup
      --replace                                    Replace existing chains when
                                                   loading YAML files
      --validate                                   Only validate YAML file
                                                   without importing chains
      --init                                       Initialize database schema
                                                   to the latest version and
                                                   exit. Can be used with
                                                   --upgrade
      --upgrade                                    Upgrade database to the
                                                   latest version
      --debug                                      Run in debug mode. Only
                                                   asynchronous chains will be
                                                   executed

Resource:
      --cron-workers=                              Number of parallel workers
                                                   for scheduled chains
                                                   (default: 16)
      --interval-workers=                          Number of parallel workers
                                                   for interval chains
                                                   (default: 16)
      --chain-timeout=                             Abort any chain that takes
                                                   more than the specified
                                                   number of milliseconds
      --task-timeout=                              Abort any task within a
                                                   chain that takes more than
                                                   the specified number of
                                                   milliseconds

REST:
      --rest-port=                                 REST API port (default: 0)
                                                   [$PGTT_RESTPORT]

OTel:
      --otel-endpoint=                             OTLP exporter endpoint URL
                                                   (grpc://, http://, https://)
      --otel-traces                                Enable OpenTelemetry
                                                   distributed tracing
      --otel-metrics                               Enable OpenTelemetry metrics
                                                   export
      --otel-service-name=                         OTel service.name resource
                                                   attribute (default:
                                                   pg_timetable)
      --otel-insecure                              Disable TLS for OTLP
                                                   connection (dev/test only)
      --otel-sample-ratio=                         Trace sampling ratio 0.0-1.0
                                                   (default: 1.0)
      --otel-metric-period=                        Metrics export interval in
                                                   seconds (default: 30)
      --otel-shutdown-timeout=                     OTel provider flush timeout
                                                   in seconds on shutdown
                                                   (default: 5)
Configuration error:  unknown flag `help'