How can AI tools actually change the way web projects are built from the ground up?

Many developers talk about AI like it’s a side feature — something to bolt onto existing websites. But I’ve been wondering what happens when AI becomes part of the development process itself. Could it handle repetitive logic, improve UX through prediction, or even automate early testing? The challenge is figuring out where to start: integrating too much too soon might kill flexibility, but ignoring it feels like missing the future.