That's true for now, and of course will be possible in the future too, but I think there's a potential future where AIs just own the whole stack: client, server

That's true for now, and of course will be possible in the future too, but I think there's a potential future where AIs just own the whole stack: client, server, some inscrutable protocol between them, some ML model on both ends that interpret requests and responses, etc. All updated in real time, no manual version bumping or dependency pinning, etc. Will all that make things better? IDK, but it fits into a long line of "what hardware giveth, software taketh away".