The defining "AI" aesthetic is the TUI, for better or worse.

The real question is what the post-AI aesthetic will be, and at a guess it will bifurcate into obsessive recreations of earlier happier pre-AI times, and some sort of opposite extreme of videos of Chinese cities covered in LEDs.

Perhaps amongst coders, but I doubt most users are interacting with TUIs - my retired mother uses ChatGPT most days, but I suspect it'll be a while before she downloads Claude Code.