优化客户编码唯一性校验API，调整成功和错误消息的显示模式为无，以提升用户体验和界面整洁性。

jeecgboot-vue3/src/views/xslmes/mesXslCustomer/MesXslCustomer.api.ts

@@ -25,7 +25,14 @@ export const queryById = (params: { id: string }) => defHttp.get({ url: Api.quer
 
 /** 客户编码唯一性校验（同租户；编辑传 dataId） */
 export const checkCustomerCode = (params: { customerCode: string; dataId?: string }) =>
-  defHttp.get({ url: Api.checkCustomerCode, params });
+  defHttp.get(
+    { url: Api.checkCustomerCode, params },
+    {
+      // 唯一性校验只走表单字段内联提示，不显示顶部全局消息
+      successMessageMode: 'none',
+      errorMessageMode: 'none',
+    }
+  );
 
 export const deleteOne = (params, handleSuccess) => {
   return defHttp.delete({ url: Api.deleteOne, params }, { joinParamsToUrl: true }).then(() => {