This shows up as a regular note in Damus?
Discussion
It's a kind 1, but posted to the Coracle group
nostr:naddr1qqgr2dfkxg6nzwpexscnvwfkxq6rjqgewaehxw309a5x7ervvfhkgtnwdaehgu339e3k7mf0qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7q3qycwq04p475nezc79zs9tdpl7gljhrqay59rvvs6e033ty54kaxmsxpqqqzr0vd4d0cn
on Damus there is zero indication of any related group. Maybe you could insert the group link as a fallback?
I guess the normal solution is to use a diff kind for a group post right?