expect(fileData.file).toEqual(Buffer.from("remote-mp3"));

expect(callData<{ msg_type?: string }>(messageCreateMock).msg_type).toBe("file");

expect(result.voiceIntentDegradedToFile).toBe(true);

const warnCall = warnSpy.mock.calls[0];

expect(warnCall?.[0]).toContain("audioAsVoice transcode failed");

expect(warnCall?.[1]).toBeInstanceOf(Error);

expect(mockCallArg<string>(warnSpy, 0, 0)).toContain("audioAsVoice transcode failed");

expect(mockCallArg<unknown>(warnSpy, 0, 1)).toBeInstanceOf(Error);

warnSpy.mockRestore();

});

replyInThread: false,

});

const callData = messageReplyMock.mock.calls[0][0].data;

expect(callData).not.toHaveProperty("reply_in_thread");

expect(callData<Record<string, unknown>>(messageReplyMock)).not.toHaveProperty(

"reply_in_thread",

);

});

it("passes mediaLocalRoots as localRoots to loadWebMedia for local paths (#27884)", async () => {

fileName: "测试文档.pdf",

});

const createCall = fileCreateMock.mock.calls[0][0];

expect(createCall.data.file_name).toBe("测试文档.pdf");

expect(callData<{ file_name?: string }>(fileCreateMock).file_name).toBe("测试文档.pdf");

});

it("preserves ASCII filenames unchanged for file uploads", async () => {

fileName: "report-2026.pdf",

});

const createCall = fileCreateMock.mock.calls[0][0];

expect(createCall.data.file_name).toBe("report-2026.pdf");

expect(callData<{ file_name?: string }>(fileCreateMock).file_name).toBe("report-2026.pdf");

});

it("preserves special Unicode characters (em-dash, full-width brackets) in filenames", async () => {

fileName: "报告—详情（2026）.md",

});

const createCall = fileCreateMock.mock.calls[0][0];

expect(createCall.data.file_name).toBe("报告—详情（2026）.md");

expect(callData<{ file_name?: string }>(fileCreateMock).file_name).toBe("报告—详情（2026）.md");

});

});