I've been writing professional code for 20 years at this point, using many languages, libraries, frameworks, etc. But I certainly don't use them all at the same time.
This also just feels like we're solving the wrong problem. Using AI doesn't fix any of it, it just makes it easier to make the problem worse faster.
You haven't worked somewhere where you're working on multiple different microservices each written by different teams in different languages?
That absolutely sounds like a case where AI will only plaster over the problem and eventually make it worse.