import { vi } from "vitest"; type PiAiMockModule = Record; export async function createPiAiStreamSimpleMock( loadActual: () => Promise, ): Promise { const original = await loadActual(); return { ...original, streamSimple: vi.fn(() => ({ push: vi.fn(), result: vi.fn(async () => undefined), [Symbol.asyncIterator]: vi.fn(async function* () { // Minimal async stream shape for wrappers that patch iteration/result. }), })), }; }