新增打单产品明细保存接口，优化附加费管理逻辑

bms-back/bms-system/src/main/java/com/bms/price/domain/PaySurcharge.java

@@ -73,10 +73,4 @@ public class PaySurcharge
     private BigDecimal weightMax;
 
     private Integer sortNo;
-
-    /**
-     * 是否计费并落库：false 不写入 pay_surcharge；null/缺省视为要计费（兼容应付全量保存）。
-     * 仅作为前端传参，不落库字段。
-     */
-    private Boolean needBill;
 }

bms-back/bms-system/src/main/java/com/bms/price/service/impl/PayProductServiceImpl.java

@@ -461,8 +461,6 @@ public class PayProductServiceImpl implements IPayProductService
         {
             product.setExtraLines(new ArrayList<>());
         }
-        // 计数前先按「是否计费」过滤，与落库行数一致
-        retainBillableSurcharges(product);
         product.setWeightCount(product.getWeightBands().size());
         product.setSurchargeCount(product.getSurcharges().size());
         product.setExtraCount(product.getExtraLines().size());
@@ -1531,7 +1529,6 @@ public class PayProductServiceImpl implements IPayProductService
 
     private void insertSurcharges(PayProduct product)
     {
-        retainBillableSurcharges(product);
         List<PaySurcharge> rows = product.getSurcharges();
         if (rows == null || rows.isEmpty())
         {
@@ -1550,27 +1547,6 @@ public class PayProductServiceImpl implements IPayProductService
         }
     }
 
-    /**
-     * 仅保留需要计费的附加费：needBill=false 不入库；null 视为要计费。
-     */
-    private void retainBillableSurcharges(PayProduct product)
-    {
-        List<PaySurcharge> rows = product.getSurcharges();
-        if (rows == null || rows.isEmpty())
-        {
-            return;
-        }
-        List<PaySurcharge> kept = new ArrayList<PaySurcharge>();
-        for (PaySurcharge fee : rows)
-        {
-            if (fee != null && !Boolean.FALSE.equals(fee.getNeedBill()))
-            {
-                kept.add(fee);
-            }
-        }
-        product.setSurcharges(kept);
-    }
-
     /**
      * 按附加费名称映射 prc_surcharge.sc_id；币种不能为空：附加费 -> 价卡 -> EUR。
      */