trigger 구성을 올바르게 수정

hwe/sammo/iObjectTrigger.php

@@ -2,6 +2,13 @@
 namespace sammo;
 
 interface iObjectTrigger{
+    const PRIORITY_MAX   = 99999;
+    const PRIORITY_BEGIN = 50000;
+    const PRIORITY_PRE   = 40000;
+    const PRIORITY_BODY  = 30000;
+    const PRIORITY_POST  = 20000;
+    const PRIORITY_FINAL = 10000;
+
     public function getPriority():int;
     public function action(?array $env=null, $arg=null):?array;
     public function getUniqueID():string;