I don't want a nudge. I want a clear RED WARNING with "You've gone away from your computer a bit too long and chatted too much at the coffee machine. You're better off starting a new context!"
I often leave CC hanging (or even suspended) and use /resume a lot. I’m okay with that having some negative effect on my token limits.
Product design is hard. They can’t please us all. I don’t envy the team considering these trade offs.