Add authentication server, dev CLI, Docker multi-service setup, and cross-platform improvements

server/internal/service/gameplay.go

@@ -5,7 +5,6 @@ import (
 	"log"
 
 	pb "lunar-tear/server/gen/proto"
-	"lunar-tear/server/internal/userdata"
 )
 
 type GameplayServiceServer struct {
@@ -23,6 +22,5 @@ func (s *GameplayServiceServer) CheckBeforeGamePlay(ctx context.Context, req *pb
 	return &pb.CheckBeforeGamePlayResponse{
 		IsExistUnreadPop:   false,
 		MenuGachaBadgeInfo: []*pb.MenuGachaBadgeInfo{},
-		DiffUserData:       userdata.EmptyDiff(),
 	}, nil
 }