Complete authentication and replay queued operations.
Permanently cancel the session and request transport closure.
Release native state after the host has closed its transport.
Close and forget one subscription.
Confirm that one received event was durably committed by the host.
Begin a connection attempt and request transport creation.
Remove at most limit queued outbound text frames.
Queue one bounded batch of signed events for delivery tracking.
Consume one relay text frame and return required platform actions.
Read one redacted diagnostic snapshot.
Add or replace a subscription using canonical filter JSON values.
Notify the state machine that the platform transport connected.
Notify the session of transport loss and calculate recovery actions.
Serialized relay protocol state machine.
The host retains WebSocket, persistence, reachability, and retry scheduling.