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Conform to ActivitySnapshot update using the same message_id

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Yiorgis Gozadinos 2026-03-24 13:30:42 +02:00
parent ba83779bb2
commit 8f5b6c299d
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1 changed files with 13 additions and 4 deletions
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17
app/frontend/components/Chat.tsx
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@ -468,11 +468,20 @@ function ChatContentInner({
}
}, [JSON.stringify(agent.messages), ragState, sessionId]);
// Deduplicate messages by id, keeping the last occurrence.
// haiku.skills 0.10.0+ sends activity snapshots with the same id
// and replace=true — CopilotKit doesn't deduplicate these, so we
// must do it to avoid React duplicate key warnings.
// biome-ignore lint/correctness/useExhaustiveDependencies: stable identity via agent ref
const messages = useMemo(
() => [...agent.messages],
[JSON.stringify(agent.messages)],
);
const messages = useMemo(() => {
const seen = new Map<string, number>();
const msgs = agent.messages;
for (let i = 0; i < msgs.length; i++) {
const id = msgs[i].id;
if (id) seen.set(id, i);
}
return msgs.filter((msg, i) => !msg.id || seen.get(msg.id) === i);
}, [JSON.stringify(agent.messages)]);
const onSubmitMessage = useCallback(
async (text: string) => {