feat(frontend): add follow request explanation to remote user card

thoughts-frontend/components/remote-user-card.tsx

@@ -53,6 +53,7 @@ export function RemoteUserCard({ actor }: RemoteUserCardProps) {
           <p className="text-sm text-muted-foreground truncate">{actor.handle}</p>
         </div>
       </Link>
+      <div className="flex flex-col items-end gap-1">
         <Button
           onClick={handleFollow}
           disabled={loading || followed}
@@ -62,6 +63,12 @@ export function RemoteUserCard({ actor }: RemoteUserCardProps) {
           <UserPlus className="mr-2 h-4 w-4" />
           {followed ? "Requested" : "Follow"}
         </Button>
+        {followed && (
+          <p className="text-xs text-muted-foreground text-right">
+            They&apos;ll be notified and can accept from their app.
+          </p>
+        )}
+      </div>
     </div>
   );
 }