@type t() :: %PgFlow.OverviewMetrics{
  active_workers: non_neg_integer(),
  avg_duration_ms: Decimal.t(),
  completed_runs_24h: non_neg_integer(),
  failed_runs_24h: non_neg_integer(),
  healthy_workers: non_neg_integer(),
  queue_depth: non_neg_integer(),
  running_runs: non_neg_integer(),
  stale_workers: non_neg_integer(),
  total_runs_24h: non_neg_integer()
}