Why AI Design Tools Need a Source of Truth

The most impressive moment in many AI design tools is simple: you type a sentence, and the tool gives you an image, a model, or a space that looks almost finished. But once you move from a demo into a real design workflow, the hard questions appear quickly. Can this result keep being edited? Where did the walls, doors, objects, and dimensions come from? When a designer points out a problem, did the AI repair the structure, or did it only patch the visible output? When the project is opened again