feat: 新增售后异议管理全流程功能

本次提交完成售后异议管理模块的开发，主要包括以下内容：
1. 新增售后异议主页面、待办页面和意见填写页面
2. 新增5个通用业务组件用于页面渲染
3. 新增4个业务API接口文件
4. 优化流程图表单描述、文件列表样式和钢卷信息展示
5. 完善投诉受理单的日期格式化和实体类继承

klp-ui/src/views/wms/post/objection/components/ExecutionFeedbackSection.vue

@@ -0,0 +1,167 @@
+<template>
+  <div v-if="enabled" class="section-container">
+    <div class="section-title">
+      <span>执行反馈</span>
+      <el-button size="mini" type="text" icon="el-icon-refresh" @click="$emit('refresh')" title="刷新执行反馈"></el-button>
+    </div>
+    <div v-if="executeList.length > 0" class="card-grid">
+      <div v-for="item in executeList" :key="item.relId" class="invoice-card">
+        <div class="invoice-row">
+          <span class="invoice-dept">{{ getDeptName(item.deptId) }}</span>
+          <el-tag v-if="item.executeStatus === 0" type="warning" size="mini">待执行</el-tag>
+          <el-tag v-else-if="item.executeStatus === 1" type="success" size="mini">已反馈</el-tag>
+        </div>
+        <hr class="invoice-divider" />
+        <div class="invoice-body">
+          <div v-if="item.executeResult" class="invoice-content" v-html="item.executeResult"></div>
+          <div v-else class="invoice-empty">暂无反馈</div>
+          <div v-if="item.feedbackFile" class="invoice-file">
+            <FileList :ossIds="item.feedbackFile" />
+          </div>
+        </div>
+        <hr class="invoice-divider" />
+        <div class="invoice-meta">
+          <span v-if="item.feedbackNo" class="invoice-meta-item"><i class="el-icon-document"></i> {{ item.feedbackNo }}</span>
+          <span v-if="item.feedbackTime" class="invoice-meta-item"><i class="el-icon-time"></i> {{ parseTime(item.feedbackTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
+        </div>
+      </div>
+    </div>
+    <div v-else class="empty-data">暂无执行反馈</div>
+  </div>
+</template>
+
+<script>
+import FileList from "@/components/FileList/index.vue";
+
+export default {
+  name: 'ExecutionFeedbackSection',
+  components: { FileList },
+  props: {
+    enabled: {
+      type: Boolean,
+      default: true
+    },
+    executeList: {
+      type: Array,
+      default: () => []
+    }
+  },
+  methods: {
+    getDeptName(deptId) {
+      const map = { 1: '生产部', 2: '质量部', 3: '销售部' };
+      return map[deptId] || '部门' + deptId;
+    },
+    parseTime(time, option) {
+      if (!time) return '-';
+      const date = new Date(time);
+      if (isNaN(date.getTime())) return time;
+      const formatStr = option || '{y}-{m}-{d} {h}:{i}:{s}';
+      const year = date.getFullYear();
+      const month = date.getMonth() + 1;
+      const day = date.getDate();
+      const hours = date.getHours();
+      const minutes = date.getMinutes();
+      const seconds = date.getSeconds();
+      return formatStr.replace('{y}', year)
+                      .replace('{m}', month < 10 ? '0' + month : month)
+                      .replace('{d}', day < 10 ? '0' + day : day)
+                      .replace('{h}', hours < 10 ? '0' + hours : hours)
+                      .replace('{i}', minutes < 10 ? '0' + minutes : minutes)
+                      .replace('{s}', seconds < 10 ? '0' + seconds : seconds);
+    }
+  }
+}
+</script>
+
+<style scoped>
+.section-title {
+  width: 100%;
+  font-size: 15px;
+  font-weight: 600;
+  color: #1d2129;
+  margin: 20px 0 12px 0;
+  padding: 0 0 10px 0;
+  border-bottom: 2px solid transparent;
+  border-image: linear-gradient(to right, #c0c4cc, transparent) 1;
+  white-space: nowrap;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+.section-title:first-child {
+  margin-top: 0;
+}
+.card-grid {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+.invoice-card {
+  flex: 0 0 calc((100% - 20px) / 3);
+  background: #fff;
+  border: 1px solid #e8eaec;
+  border-left: 3px solid #409eff;
+  border-radius: 2px;
+  padding: 10px 12px 8px;
+  display: flex;
+  flex-direction: column;
+}
+.invoice-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 6px;
+}
+.invoice-dept {
+  font-size: 13px;
+  font-weight: 600;
+  color: #303133;
+}
+.invoice-divider {
+  border: none;
+  border-top: 1px dashed #dcdfe6;
+  margin: 6px 0;
+}
+.invoice-body {
+  flex: 1;
+}
+.invoice-content {
+  font-size: 12px;
+  color: #606266;
+  line-height: 1.6;
+  word-break: break-all;
+  max-height: 80px;
+  overflow-y: auto;
+}
+.invoice-content /deep/ p {
+  margin: 0;
+}
+.invoice-empty {
+  color: #c0c4cc;
+  font-size: 12px;
+}
+.invoice-file {
+  margin-top: 6px;
+}
+.invoice-meta {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+  margin-top: 6px;
+}
+.invoice-meta-item {
+  font-size: 11px;
+  color: #909399;
+  display: inline-flex;
+  align-items: center;
+  gap: 2px;
+}
+.invoice-meta-item i {
+  font-size: 11px;
+}
+.empty-data {
+  color: #909399;
+  font-size: 13px;
+  padding: 8px 0;
+}
+</style>