The design lead at Codex has a mental model for working with AI tools that I think about constantly. He said treat them like a colleague. If your Figma files are messy and nothing is named correctly, it's harder for your colleague to get up to speed. Same for agents. That one sentence explains why most people try these tools, get bad results, and give up. The foundation matters more than the prompt. Name your components well. Align your design tokens with your CSS tokens. Clean up your file…