remember challenge setup

app/controllers/Setup.scala

@@ -94,9 +94,10 @@ object Setup extends LilaController with TheftPrevention {
                 case _               => Left("no_sid")
               },
               destUser = destUser)
-            (Env.challenge.api create challenge) >> negotiate(
-              html = fuccess(Redirect(routes.Round.watcher(challenge.id, "white"))),
-              api = _ => Challenge showChallenge challenge)
+            env.processor.saveFriendConfig(config) >>
+              (Env.challenge.api create challenge) >> negotiate(
+                html = fuccess(Redirect(routes.Round.watcher(challenge.id, "white"))),
+                api = _ => Challenge showChallenge challenge)
           }
         }
       )

modules/setup/src/main/Processor.scala

@@ -62,6 +62,9 @@ private[setup] final class Processor(
     }
   }
 
+  def saveFriendConfig(config: FriendConfig)(implicit ctx: UserContext) =
+    saveConfig(_ withFriend config)
+
   private def saveConfig(map: UserConfig => UserConfig)(implicit ctx: UserContext): Funit =
     ctx.me.fold(AnonConfigRepo.update(ctx.req) _)(user => UserConfigRepo.update(user) _)(map)
 }