alt Hacker Newsyou could also use some code styling agent scripts that make todo lists of everywhere where there's bad architecture, and have it run through fixing those issues until its to your liking.
theyre reasomable audit tools for finding issues, if you have ways to make sure they dont give up early, and you force them to output proof of what they did
And that is harder than just doing it manually, hence saying that hard parts are harder. If you have a clear picture of what you want it to do then its harder to vibe code than to code it yourself.