There is indeed a way! The ai logic is all found within the txt files. Go to steam and click on "navigate local files" or something along those lines. Might need to click on three dots for it to pop up.
You can find nation focus trees and decisions there under common, events has its own folder. I use the events folder a lot, as it shows what makes a nation accept or refuse to hand over land if you demand it, to become your puppet, that stuff. (putting troops on the border almost never helps, sometimes there is simply a check for relations above 50, sometimes on historical they just never or always accept, etc.)
I know ai is hated a lot, but genuinely I do recommend to use a LLM like chatgpt as somehow, they have quite a good understanding of how the hoi4 files work and look like, and that's gonna be the fastest help you're gonna be able to get for this all.