I have been building a game (preview here: https://qpingpong.codeinput.com) as a practice to "vibe-coding". There is only one rule: I am not allowed to write a single line of code. But can prompt as much as I want.

So far I am hitting a "hard-block" on getting the AI to make changes once you have a large code base. One "unblocker" was to restructure all the elements as their own components. This makes it easier for the LLM (and you?) to reason about each component (React) in isolation.

Still, even as this "small/simple game" stage, it is not only hard for the LLM to get any change done but very easy for it to break things. The only way I can see my around it, is to structure very through tests (including E2E tests) so that any change by the LLM has to be thoroughly tested for regression.

I've been working on this for a month or so. I could have coded it faster by hand except for the design part.