fix bot move validation

app/controllers/PlayApi.scala

@@ -109,7 +109,7 @@ final class PlayApi(
 
   private def toResult(f: Funit): Fu[Result] = catchClientError(f inject jsonOkResult)
   private def catchClientError(f: Fu[Result]): Fu[Result] = f recover {
-    case e: lila.base.ClientError => BadRequest(jsonError(e.getMessage))
+    case e: lila.round.BenignError => BadRequest(jsonError(e.getMessage))
   }
 
   private def WithPovAsBot(anyId: String, me: lila.user.User)(f: Pov => Fu[Result]) =

modules/bot/src/main/BotPlayer.scala

@@ -18,7 +18,7 @@ final class BotPlayer(
     isOfferingRematch: lila.round.IsOfferingRematch
 )(implicit ec: scala.concurrent.ExecutionContext, system: akka.actor.ActorSystem) {
 
-  private def clientError[A](msg: String): Fu[A] = fufail(lila.base.LilaException.client(msg))
+  private def clientError[A](msg: String): Fu[A] = fufail(lila.round.ClientError(msg))
 
   def apply(pov: Pov, me: User, uciStr: String, offeringDraw: Option[Boolean]): Funit =
     lila.common.Future.delay((pov.game.hasAi ?? 500) millis) {

modules/common/src/main/base/LilaException.scala

@@ -9,8 +9,6 @@ trait LilaException extends Exception {
   override def toString   = message
 }
 
-trait ClientError extends LilaException
-
 object LilaException extends scalaz.syntax.ToShowOps {
 
   def apply(msg: String) = new LilaException {
@@ -18,8 +16,4 @@ object LilaException extends scalaz.syntax.ToShowOps {
   }
 
   def apply(msg: Failures): LilaException = apply(msg.shows)
-
-  def client(msg: String) = new ClientError {
-    val message = msg
-  }
 }

modules/round/src/main/package.scala

@@ -11,9 +11,9 @@ package object round extends PackageObject {
 
 package round {
 
-  sealed private[round] trait BenignError                 extends lila.base.LilaException
-  private[round] case class ClientError(message: String)  extends BenignError
-  private[round] case class FishnetError(message: String) extends BenignError
+  trait BenignError                        extends lila.base.LilaException
+  case class ClientError(message: String)  extends BenignError
+  case class FishnetError(message: String) extends BenignError
 
   sealed trait OnTv