Module backend 

Structs

BackendCapabilities

Typed capability flags used to validate backend-owned operations.

BackendConnection

Reserved connection ownership marker for later backend retrofits.

DbBackendConfig

Shared backend configuration resolved from runtime config before backend.

Enums

BackendError

Stable backend error categories returned by shared backend resolution and.

BackendKind

Stable identity for one primary database backend supported by Pharos.

Traits

PrimaryBackend

One configured primary backend implementation registered with the runtime.