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fix(axon): fallback to complete assistant msg if stream_event not emitted

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This commit is contained in:
e3mrah 2026-03-12 15:49:07 +01:00
parent 9aba8fe80c
commit 3f010b4cca
1 changed files with 9 additions and 1 deletions
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10
products/axon/src/providers/claude.ts
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@ -175,18 +175,26 @@ export async function* chatStream(opts: ChatOptions): AsyncGenerator<string, voi
try {
await session.send(prompt);
let streamedViaPartial = false;
for await (const msg of session.stream()) {
// Real token delta from includePartialMessages: true
// Real token delta — emitted when includePartialMessages: true is honoured
if (msg.type === "stream_event") {
const event = (msg as Record<string, unknown>).event as Record<string, unknown> | undefined;
if (event?.type === "content_block_delta") {
const delta = event.delta as Record<string, unknown> | undefined;
if (delta?.type === "text_delta" && typeof delta.text === "string" && delta.text) {
streamedViaPartial = true;
yield delta.text;
}
}
continue;
}
// Fallback: complete assistant message (older SDK runtime without partial support)
if (msg.type === "assistant" && !streamedViaPartial) {
const text = extractText(msg as unknown as Record<string, unknown>);
if (text) yield text;
}
if (msg.type === "result") break;
}