verbiricha on Nostr: what about the generic chat kind 9? it's used in NIP-29 (h-tagging group id) and ...

what about the generic chat kind 9? https://github.com/nostr-protocol/nips/blob/master/C7.md it's used in NIP-29 (h-tagging group id) and could work for repos (a-tag repo and h-tag for channel?) cc hodlbod (npub1jlr…ynqn) fiatjaf (npub180c…h6w6)