expect(typing.startTypingLoop).not.toHaveBeenCalled();

});

it("starts typing and refreshes ttl on text for thinking mode", async () => {

it("starts typing on reasoning delta and refreshes ttl on text for thinking mode", async () => {

const typing = createMockTypingController();

const signaler = createTypingSignaler({

typing,

mode: "thinking",

isHeartbeat: false,

});

// Reasoning delta starts the typing loop and refreshes TTL,

// even before any renderable assistant text has arrived.

await signaler.signalReasoningDelta();

expect(typing.startTypingLoop).not.toHaveBeenCalled();

expect(typing.startTypingLoop).toHaveBeenCalledTimes(1);

expect(typing.refreshTypingTtl).toHaveBeenCalledTimes(1);

// Once typing is active, text delta only refreshes TTL.

(typing.isActive as ReturnType<typeof vi.fn>).mockReturnValue(true);

(typing.refreshTypingTtl as ReturnType<typeof vi.fn>).mockClear();

await signaler.signalTextDelta("hi");

expect(typing.startTypingLoop).toHaveBeenCalledTimes(1);

expect(typing.refreshTypingTtl).toHaveBeenCalledTimes(1);