I offer this, as someone who is heavy into AI development (as a coding assistant, not vibe-coding). I was pretty fast before and now I'm easily an order of magnitude faster.
* I scrutinize every line of backend code and frequently make revisions.
* I pay just barely enough attention to the frontend code to make sure it's not doing anything dumb.
* I pay zero attention to the CSS.
Either our expectations for UI interaction are going to go up a lot, or FE devs should start looking at product management roles. I think the asteroid metaphor is apt.