Oh yeah… I thought you meant relay admin as well.

But as long as we’re talking about clients, I would love to have a client that could read/write from public and private relays within that same interface.

I was going to say it doesn’t even need to store private relays in the kind 3 relay-url field(s) - then just discovered nip-65 is attempting to supplant this with replaceable events

https://github.com/nostr-protocol/nips/blob/master/65.md