fix(brain): emit user message_start for steer in Claude SDK brain#186
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Steer messages (sent during agent execution) were not showing in the chat. Two issues: 1. Frontend: steer messages were added to pendingMessages (amber chips) instead of messages (chat history). They relied on a message_start event echo from the brain to move from chip to chat, but pi-agent may not emit this event. Fix: add steer messages directly to the messages array, same as normal sends. 2. Gateway: chat.steer RPC didn't save the user message to the database. On page refresh, steer messages were lost. Fix: appendMessage to DB before forwarding to agentbox.
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Problem
Steer messages sent during agent execution show as amber chips in the input area but never appear in the chat history. The chips stay forever.
Root Cause
The Claude SDK brain queues steer messages and runs them as follow-up queries via
runQuery(). ButrunQuery()only emitsturn_start→ assistant messages →turn_end. It never emits amessage_startwithrole: "user"for the steer text.The frontend (
usePilot.ts:521-538) listens formessage_startwithrole: "user"to match againstpendingMessages. Without this event, the match never happens → steer stays as amber chip.Pi-agent brain is not affected because the pi-agent session handles user message emission internally.
Solution
Emit
message_startwithrole: "user"and the steer text before callingrunQuery()for each queued steer message. Applied to both:Test plan