feat: ScriptUtils 加 formatSize/toLong/toInt，脚本中直接用 utils.xxx() 调用

par-core/src/main/java/com/par/core/adapter/GroovyScriptEngine.java

@@ -132,5 +132,21 @@ public class GroovyScriptEngine {
                 return null;
             } catch (Exception e) { return null; }
         }
+        /** 字节数 → 可读大小 */
+        public String formatSize(long bytes) {
+            if (bytes == 0) return "0";
+            String[] units = {"B","KB","MB","GB","TB"};
+            double v = bytes;
+            int i = 0;
+            while (v >= 1024 && i < units.length - 1) { v /= 1024; i++; }
+            return String.format("%.2f %s", v, units[i]);
+        }
+        /** 字符串转数字 */
+        public Long toLong(String s) {
+            try { return Long.parseLong(s.replaceAll("[^\\d-]", "")); } catch (NumberFormatException e) { return null; }
+        }
+        public Integer toInt(String s) {
+            try { return Integer.parseInt(s.replaceAll("[^\\d-]", "")); } catch (NumberFormatException e) { return null; }
+        }
     }
 }