Hmmmm.. I am working in a niche domain (Confidential Computing) and the work is fairly creative, although I wouldn't say I asked it domain-specific things. I didn't ask it to come up with encryption schemes or security protocols, I learned very quickly that it cannot even start on those problems. "Design discussions" were just sycophantic affirmations of whatever I wrote. What I mostly tried were "add this function" or "refactor this based on XY" or "analyze this piece of code for race conditions".

(Un?)fortunately my work doesn't involve a lot of "drone coding". With personal projects I let it do whatever it wanted including picking the language and libraries. With one of them it ended up so confused with the Redis API(!!!) that it kept going back and forth between different versions to "fix" the issues until it literally removed the functionality it was supposed to add. Problem solved, eh?