expect(result.result).toBe("ok");

expect(warnSpy).toHaveBeenCalledWith(

expect.stringContaining('Model "openai/gpt-6" not found'),

'[model-fallback] Model "openai/gpt-6" not found. Fell back to "anthropic/claude-haiku-3-5".',

);

} finally {

warnSpy.mockRestore();