We've been discussing and welcoming input from others, there are various published notes mentioning all of this, even a nostrability issue. It all started with casual conversations about how the existing Nostr marketplace ecosystem wasn't meeting many of the needs for a comprehensive marketplace application. This led us to create a draft proposal, with all the major nostr marketplaces devs now participating. Since the beggining the idea was to open this draft for wider input as soon as possible