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4e4043d0e4
OutgoingMessageQueue.scheduleProcessing() defers socket.emit() via setTimeout(fn,0) — a macrotask. The Claude SDK's nextMessage() callback runs in a microtask chain, which executes before that macrotask fires. This means messages-consumed for turn N+1 can be sent to the hub before the queued agent messages from turn N have been emitted. The hub stamps invokedAt on the N+1 user message at receive time, and then stores the late-arriving agent messages with created_at > invokedAt_N+1. Since compareMessages sorts by invokedAt ?? createdAt ascending, those agent messages sort permanently below the N+1 user message. Fix: await messageQueue.flush() at the top of nextMessage() so all pending outgoing agent messages are sent through the socket before messages-consumed is dispatched. Closes #908 via [HAPI](https://hapi.run) Co-authored-by: HAPI <noreply@hapi.run>