新增打单产品明细保存接口，优化附加费管理逻辑

bms-back/bms-admin/src/main/java/com/bms/web/controller/price/LabelPackageController.java

@@ -24,6 +24,7 @@ import com.bms.common.core.domain.AjaxResult;
 import com.bms.common.core.page.TableDataInfo;
 import com.bms.common.enums.BusinessType;
 import com.bms.common.exception.ServiceException;
+import com.bms.price.domain.PayProduct;
 import com.bms.price.domain.PaySaveCommand;
 import com.bms.price.domain.PrcCustomerPriceSet;
 import com.bms.price.domain.PrcCustomerPriceSetBatch;
@@ -208,6 +209,15 @@ public class LabelPackageController extends BaseController
         return success(payProductService.selectPayProductDetail(productId));
     }
 
+    /** 保存打单产品明细（重量段/附加费等），按当前 term 覆盖子表 */
+    @PreAuthorize("@ss.hasPermi('price:label:edit')")
+    @Log(title = "打单产品明细", businessType = BusinessType.UPDATE)
+    @PutMapping("/product")
+    public AjaxResult updateProduct(@RequestBody PayProduct product)
+    {
+        return toAjax(payProductService.updateDetail(product));
+    }
+
     /** 查询打单产品已绑定渠道（默认应收 AR） */
     @PreAuthorize("@ss.hasPermi('price:label:query')")
     @GetMapping("/product/{productId}/channels")