]);

function getFirstDeliveryText(deliver: ReturnType<typeof vi.fn>): string {

const firstCall = deliver.mock.calls[0]?.[0] as

| { payloads?: Array<{ text?: string }> }

| undefined;

return firstCall?.payloads?.[0]?.text ?? "";

const firstCall = requireFirstCallArg(deliver, "delivery params") as {

payloads?: Array<{ text?: string }>;

};

return firstCall.payloads?.[0]?.text ?? "";

}

function requireRecord(value: unknown, label: string): Record<string, unknown> {

mock: ReturnType<typeof vi.fn>,

label: string,

): Record<string, unknown> {

return requireRecord(mock.mock.calls[0]?.[0], label);

const firstCall = mock.mock.calls.at(0);

if (!firstCall) {

throw new Error(`expected ${label} call`);

}

return requireRecord(firstCall.at(0), label);

}

function requireFirstPayload(deliver: ReturnType<typeof vi.fn>): ReplyPayload {