I think I followed your directions accurately. I copied the code from WOS under the lightning address tab and pasted it into the the LN URL option Amethyst gives me.
Discussion
Still doesn't work 😤
Let me check your raw profile data
Your lud6 still does not start with LNURL.. So zapping you might indeed not work for some nostr clients. Go to https://iris.to, edit your profile and update the lud6 field.