告警、脚本策略执行测试优化

src/main/java/com/tongran/agent/client/utils/AgentUtil.java

@@ -217,4 +217,12 @@ public class AgentUtil {
         return timestamp;
     }
 
+    public static LocalDateTime toLocalDateTime(long timestamp, boolean isSeconds) {
+        java.time.Instant instant = isSeconds ?
+                java.time.Instant.ofEpochSecond(timestamp) :
+                java.time.Instant.ofEpochMilli(timestamp);
+
+        return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
+    }
+
 }