You won't be prompting AI for the fun stuff (unless laying out boring boilerplate is what you consider "fun"). You'll still be writing the fun part - but you will be able to prompt beforehand to get all the boilerplate in place.

If you’re writing that much boilerplate as part of your day to day work, I daresay you’re Doing Coding Wrong. (Virtue number one of programming: laziness. https://thethreevirtues.com)

Any drudgework you repeat two or three times should be encapsulated or scripted away, deterministically.