Module delivery 

Database-local message order and fenced default-consumer progress.

Structs

DeliveryCursor

An exclusive replay position in one client database, not a network cursor.

DeliveryFilter

Current selection filters; excluded rows can advance D only within the active scope.

DeliveryMessage

One retained, published message and its immutable local replay position.

DeliveryOwner

Random lease token that fences every default-delivery progress write.

DeliverySnapshot

History and its resume cursor read from one database snapshot.

Enums

DeliveryScope

Groups eligible for selection. Default progress outside this scope stays unchanged.

Traits

QueryDelivery

Local message order, retained-history reads, and fenced per-group D positions.