If it's only "mentions" (not zaps, boost etc) then I don't see what you'd need an @.

How about one icon in the header? "@ Mentions" or maybe "Mentions @<name>"

Team underline

Forget icons, add context. It's impossible to know what are people talking about by only the reply text.

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qghwaehxw309aex2mrp0yh8qunfd4skctnwv46z7qg6waehxw309aexjcn09ejh2tnwdaehgunfvyhxzurs9uqzp5daxvenwv7ucsglpm5f8vuts530cr0zylllgkwejpzvak0x2kqmehusjv does both icons and colors. I think it works pretty well, easy to see the different event types when s...