I was looking into the code for haven, and this would probably need to be fixed in khatru itself, somewhere around here: https://github.com/fiatjaf/khatru/blob/master/blossom/handlers.go#L193

So i think we need to involve nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 here.