This is something we've experimented with and I know some other tools out there claim to do this, I've just found that there's a very simple issue with this: if the AI gets any step wrong, every subsequent step is wrong and then you have to review every bit of code/markdown bit by bit, and it ends up turning into more work than just doing the analysis step by step while guiding the AI. I'm optimistic that this will change over time as the AI gets better, but it's still quite fragile (although it demos really well...)