RequestFrame
dataclass #
RequestFrame(request_id, op, params=dict())
client → hub: invoke a control-plane operation.
op names the operation ("register", "create_channel", "post_envelope", "get_agent", …); params is a JSON-compatible argument dict whose shape is defined per op. request_id is a client-minted correlation id the hub echoes on the matching :class:ResponseFrame so concurrent in-flight requests on one connection demux unambiguously.
Posting an envelope is just another op ("post_envelope" with params={"envelope": <envelope dict>}); the hub stamps envelope_id / created_at and returns the id in the response. There is no separate send frame — the request/response pair carries it with correlation for free.