> A lot of these things are made fast and loose

No kidding - you can't even delete a design system, draft or otherwise. Research Preview is accurate, it can do some things (but every system I've tried building it has resorted to the "hero text with key word in a different color" trope, however I try different prompts), but there's a lot missing (and when you ask Claude Design how to delete a design system it gives you an absolutely inaccurate and hallucinated answer and you say fine, here's the project ID, do it for me, "Sorry, can't, only you can").