[rs186]

Nobody knows if it is a fictional problem. You didn't say what your CPU usage is like, how many users you have, what your UI looks like while your user is waiting. In any serious application, running it asynchronously is the correct solution 99 of 100 times. There is nothing wrong with updating your stack -- you have a business need, and you need to update your architecture, this happens all the time.

"Business context is needed." Then why don't you provide that context? You expect Claude to read your mind? What are we talking about here?

Dude, be humble. If all you want to do is to argue instead of having a productive discussion, this is not the place for you.