Persist agent messages as response items - #29829
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felixxia-oai
approved these changes
Jun 24, 2026
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Why
Inter-agent messages are recorded in live history as
ResponseItem::AgentMessage, but rollouts storedInterAgentCommunicationand rebuilt the response item during resume. This made the rollout differ from the actual Responses history.What changed
agent_messageresponse item directlytrigger_turnin a small local metadata record for fork truncationinter_agent_communicationrollout items