This happens with any sufficiently big/old codebase. We can never remember everything, even if we wrote it ourselves
I do agree with the sentiment and insight about the 2 branches of topics frequently seen lately on HN about AI-assisted coding
Would really like to see a live/video demo of semi-autonomous agents running in parallel and executing actual useful tasks on a decently complex codebase, ideally one that was entirely “manually” written by devs before agents are involved - and that actually runs a production system with either lots of users or paid customers