The Missing Layer Between AI and Design Consistency

By now, "vibe coding" is completely normalized. You describe a thing, AI builds it, you nudge it until it gets it right. Nobody bats an eye. But what about vibe designing ? The idea has come up in cycles. AI-generated UI, prompt-driven mockups, no-Figma workflows. Every time it almost gets traction, it fizzles. The outputs are too generic, you lose control of consistency, or it only works for throwaway prototypes you'd never ship. I've been poking at Google Stitch lately, and something about it