@npub1xnf0...lpr5 with my cashu wallet?

Yes, there will be a toggle to choose between Cashu and self-custody.

How is it working? Zeus can handle it anytime while in the background? Or we need to start it?

The app needs to be open but it can be in the background. We’re doing sleep process testing this week to get a better grasp of how often you’ll have to wake it up.