Is your intention to build something that other people would use or for personal use?
At the moment I think the direction nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s and seem to approve of is using the patch model. Everything else appears not to be fleshed out.
I think the patch model doesn't scale but is a good starting point because of it's simplicity.
I am not used to working in public either. There hasn't been any engagement with my long form posts on the issue. No one has commented on my draft NIP. My plan is to build a prototype and put it out there.