Module frame

The native frame data model: metadata, canonical field-block codec, and the read-side frame view contract.

The UFrame data layer

Everything about frames-as-data lives here, independent of any transport:

• metadata — UFrameMetadata, the family-invariant semantic metadata model, plus PayloadEncoding identity and the fallible projections to and from UMessage attributes.
• codec — the canonical metadata field-block profile: how metadata becomes bytes under a metadata profile.
• envelope — complete-frame UPFE serialization, available with owned-frame-transport, for transports that carry metadata and payload in one byte envelope. Selected-wire UPWM profile prefixes are owned by the wire adapter, not this module.
• abi — UFrameMetadataAbiV1, the fixed-layout #[repr(C)] profile for cross-language shared-memory boundaries. NOTE: its consumers are C/C++ peers; zero Rust references is its expected steady state.

Spec: up-spec/basics/uframe.adoc and up-spec/up-l1/transport_families.adoc.

Re-exports

pub use view::validate_frame_view_for_transport;

pub use view::UFrameView;

Modules

abi

Fixed-layout ABI profile of native frame metadata, version 1.

codec

Canonical byte codec for native frame metadata: the UFrame metadata field block, version 1.

envelope

Whole-frame envelopes

metadata

Clean semantic native frame metadata.

view

Family-neutral frame views.