feat: -60 turnterm 가변턴

hwe/sammo/AbsFromUserPool.php

@@ -46,7 +46,7 @@ abstract class AbsFromUserPool extends AbsGeneralPool{
 
         $gameStor = KVStorage::getStorage($db, 'game_env');
         $result = [];
-        $validUntil = TimeUtil::nowAddMinutes(2 * $gameStor->turnterm);
+        $validUntil = TimeUtil::nowAddMinutes(2 * abs($gameStor->turnterm));
         while(count($result) < $pickCnt){
             $cand = $rng->choiceUsingWeightPair($pool);
             $poolID = $cand['id'];