But don't you think for nostr profile, should ask only npub and extract the title from nostr username?
first you need to enter a title for your feature.
check this nice board from nostr:npub10awzknjg5r5lajnr53438ndcyjylgqsrnrtq5grs495v42qc6awsj45ys7 :
https://pinstr.app/p/npub10awzknjg5r5lajnr53438ndcyjylgqsrnrtq5grs495v42qc6awsj45ys7/Books
Discussion
title is like a heading for your feature, regardless the type of that feature.
look at this example:
