FutureSDR Types

Shared serializable types used by the FutureSDR runtime, control port, and remote clients.

This crate contains:

• Pmt: the polymorphic message value passed to message handlers and encoded by the REST API.
• BlockId, FlowgraphId, and PortId: lightweight identifiers used by control and description APIs.
• FlowgraphDescription and BlockDescription: serializable descriptions of a running or constructed flowgraph.