It should be feasible, but I haven’t tested it.
Discussion
it looks like you can’t because keychat requires a wss:// and citrine only provides ws://
Whitenoise has the same issue.
0xchat did work.
As far you send events to Citrine you have the job done for nostr:nprofile1qqszfrv3m6acxyqy4ghuega2n74rntkrfg9sp4pmse94vul56gnul8cppemhxue69uhkummn9ekx7mp0aljpdg