harness.process.stdout.write('{"token":"secret-value"} trailing\n');

await vi.waitFor(() => expect(warn).toHaveBeenCalledTimes(1));

expect(warn.mock.calls.at(0)?.[0]).toBe("failed to parse codex app-server message");

const metadata = warn.mock.calls.at(0)?.[1] as

const [message, rawMetadata] = warn.mock.calls[0] ?? [];

expect(message).toBe("failed to parse codex app-server message");

const metadata = rawMetadata as

| {

error?: unknown;

errorMessage?: string;