Thank you for taking the time to provide such comprehensive and useful answers. 

If I understand correctly, it should be something like this preview page, but with some modifications, such as multiple picture uploads for showcasing, markdown support for descriptions, and multiple subscription options, simple login. 🤔

It should include proper and elaborate feedback, perhaps through Nostr DM,  optional email.

And dark mode, of course
https://i.imgur.com/Gdcdgeh.jpeg