OptionalconnectionOptionaleventsOptional system-event sink. When set, this client calls events.publish
post-commit for every escalation lifecycle transition it performs.
Fire-and-forget; a publish error never fails the committed operation.
OptionalgetInject a pre-existing getHotMeshClient function (e.g. from Durable.Client).
When provided, the client reuses the caller's engine pool — no extra connections.
Postgres connection options — used when creating a standalone EscalationClient.