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fix(openai-adapters): map reasoning-delta to reasoning_content #11089

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fix(openai-adapters): map reasoning-delta to reasoning_content #11089

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c41e8c3
fix(openai-adapters): map reasoning-delta to reasoning_content
MumuTW Mar 5, 2026
37794f4
fix(openai-adapters): fix TS syntax error in vercelStreamConverter test
MumuTW Mar 6, 2026
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5 changes: 4 additions & 1 deletion packages/openai-adapters/src/test/vercelStreamConverter.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,10 @@ describe("convertVercelStreamPart", () => {
const result = convertVercelStreamPart(part, options);

expect(result).not.toBeNull();
expect(result?.choices[0].delta.content).toBe("Let me think...");
// eslint-disable-next-line @typescript-eslint/no-explicit-any
expect((result?.choices[0].delta as any).reasoning_content).toBe(
"Let me think...",
);
});

test("returns null for tool-call (handled by tool-input-start/delta)", () => {
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7 changes: 5 additions & 2 deletions packages/openai-adapters/src/vercelStreamConverter.ts
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Expand Up @@ -86,8 +86,11 @@ export function convertVercelStreamPart(
});

case "reasoning-delta":
return chatChunk({
content: part.text,
return chatChunkFromDelta({
delta: {
// `reasoning_content` is not yet typed in OpenAI's SDK types.
reasoning_content: part.text,
} as ChatCompletionChunk.Choice["delta"],
model,
});

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