Is anybody aware of a nostr client that doesn’t connect your phone to multiple relays but instead connects to a server (preferably self hostable) which maintains connections to your desired relays and caches the notes you are interested in. I think this would be faster and save battery life. I thought about trying to implement this as a modified relay but the problem is that if you remove all but one relay in an existing client I’m pretty sure the client will broadcast those changes to your relay list. So I would have to use a modified client and relay