Cool! I like the website theme picker
Notably, GPT-5-Codex is significantly worse at this, it has a much stronger drive to make one specific style of website.
In terms of polish, I just tell it that Steve Jobs will review the final result, that seems to make it work a lot harder.
It's very interesting how current IAs seems to generate simplistic websites with similar quirks on the first iteration. I guess it's intentional since simple is a good start point.