Author here (someone else submitted it, thx). There's a video as well, a six-minute video on how it works and the various QoL that we added (made by AI with human assistance):
Since this ended up on Hacker News, I'll say it: I find the discourse around LLMs strangely sad. They're annoying, yes, and they make mistakes every day, every hour. But they're also amazing, and working with them has been one of the most rewarding things I've done in years.
Historically things that make people more productive have tended to make us richer, not poorer. And it's a virtue to change your mind as the evidence comes in.
We played with Lego all our lives; now the Lego understands us and helps us build. I think that's something to be glad about.
It is a virtue to change your mind, but using it in that context reveals something else.
Some people enjoy building the Death Star or other big sets, or build their own Eiffel Tower.
Some other people just would like to have a Lego Eiffel Tower without having to assemble it themselves I guess.