Session Expiration Prompt

I would like to have a prompt on the screen with a 30-second countdown when the platform is about to log me out for inactivity. I definitely want it to still log out users after being inactive for that same period of time. This is very secure. However, I was typing a pretty long feature request in a new tab and when Hudu logged me out of the original tab, it logged me out of the embedded Canny feature request board in the new tab as well and the long request / response that I had typed was wiped out when I signed back in and I had to type all of it again.
This would enable users to see that their session is about to expire and if they were sitting right in front of it but attending tasks on other screens, they could click to extend the session instead of having to re-authenticate. This allows the session expiration to be secure and log users out if they walk away or leave it be for a long time while keeping it from requiring long notes from being typed elsewhere and pasted into the box so that it didn't expire the session in the middle of typing a long set of notes.

This would be especially useful when typing a large amount of notes into a single asset.