NWC is a nostr protocol and is built around the use of a nostr relay as a rendezvous point between the wallet service (connected to the LN server), the relay, and the NWC RPC client which talks to the wallet service. your proposed integration won't work with a home service unless you have a VPS tunnel from an internet routable address with the wallet service to your home relay (like cody's pigeon service, or like how i have wireguard and lerproxy to run wss://test.mleku.dev on my dev box