feat: 完成售后投诉流程全链路优化与功能完善

本次提交完成了多项核心优化与功能新增：
1.  重构投诉受理流程状态，移除冗余的执行反馈阶段，简化为4个流程节点
2.  新增售后单关联客户、下游用户、工程信息等扩展字段，完善基础信息采集
3.  新增部门结构化意见表单与预览组件，优化部门意见填写与展示流程
4.  新增售后意见汇总页面，支持流程阶段筛选与详情查看
5.  优化合同列表页面，新增重置筛选按钮与默认备注逻辑
6.  新增PDF导出功能，完善钢卷信息展示列
7.  修复逻辑删除级联问题，新增任务过滤逻辑保障数据一致性

klp-ui/src/views/crm/contract/components/ContractList.vue

@@ -7,6 +7,7 @@
           <el-input v-model="queryParams.keyword" placeholder="请输入关键字" clearable
             @keyup.enter.native="handleQuery" style="width: 160px;" />
           <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">筛选</el-button>
+          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
           <el-button icon="el-icon-sort" size="mini" @click="toggleMoreFilter"
             :type="showMoreFilter ? 'primary' : 'default'">
           </el-button>
@@ -213,6 +214,7 @@ export default {
     },
     /** 重置按钮操作 */
     resetQuery() {
+      this.queryParams.keyword = undefined;
       this.$refs["queryForm"].resetFields();
       this.queryParams.signDateStart = undefined;
       this.queryParams.signDateEnd = undefined;

klp-ui/src/views/crm/contract/components/ProductContent.vue

@@ -298,7 +298,7 @@ export default {
           Object.assign(item, calculateProductFields(item, 'quantity'));
         });
         this.products = products;
-        this.remark = data.remark || '净边料/毛边料、简包/裸包、卷重结算';
+        this.remark = data.remark !== undefined ? data.remark : '净边料/毛边料、简包/裸包、卷重结算';
         this.productName = data.productName || '';
       } catch (error) {
         console.error('解析content失败:', error);

klp-ui/src/views/crm/contract/index.vue

@@ -227,11 +227,10 @@
     </el-dialog>
   </div>
 </template>
-
+ 
 <script>
 import { delOrder, listOrderPackaging, updateOrder, getOrder, addOrder } from "@/api/crm/order";
 import { addCustomer } from "@/api/crm/customer";
-import { getDicts, addData, updateData } from "@/api/system/dict/data";
 import { listDeliveryWaybill } from "@/api/wms/deliveryWaybill";
 import dayjs from "dayjs";
 import ContractList from "./components/ContractList.vue";