We strongly recommend reading the MLS specification directly, rather than relying solely on NIP-EE.
Yeah, this UX would definitely be a challenge.
Keychat probably doesn't follow the NIP-EE, but I think it's something worth considering. nostr:npub1h0uj825jgcr9lzxyp37ehasuenq070707pj63je07n8mkcsg3u0qnsrwx8
Discussion
I read this MIMI doc, traumatic flashbacks to Feynman diagrams in old textbooks.
https://www.ietf.org/archive/id/draft-ietf-mimi-protocol-01.html
I don't quite get your point. NIP-EE also follows the MLS specification, it just standardizes the use of Nostr events to send mls messages.