feat: 合同新增自动补全交货日期功能

- 签订日期变更时自动计算交货日期（签约 + 1天 + 30天 → 按5日取整）
- 选择合同模板或点击「自动补全交货日期」时自动替换合同内容中的交货时间占位符
- 新增 DC01-H 材质选项
- 修正按钮文案「管理合同」→「管理合同模板」

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

@@ -8,7 +8,7 @@
       >
         {{ template.dictLabel }}
       </el-button>
-      <el-button type="primary" @click="handleContractManagement">管理合同</el-button>
+      <el-button type="primary" @click="handleContractManagement">管理合同模板</el-button>
     </div>
 
     <!-- 合同模板管理对话框 -->

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

@@ -158,6 +158,7 @@ export default {
         { label: 'SPCC', value: 'SPCC' },
         { label: 'DX51D+Z', value: 'DX51D+Z' },
         { label: 'DC01', value: 'DC01' },
+        { label: 'DC01-H', value: 'DC01-H' }
       ]
     }
   },

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

@@ -97,6 +97,7 @@
         </el-form-item>
         <el-form-item label="合同内容">
           <ContractTemplateManager @select="handleTemplateSelect" />
+          <el-button type="text" size="mini" @click="fillContractDates">自动补全交货日期</el-button>
           <editor v-model="form.contractContent" :min-height="192" />
         </el-form-item>
 
@@ -186,6 +187,7 @@
 import { delOrder, listOrderPackaging, updateOrder, getOrder, addOrder } from "@/api/crm/order";
 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";
 import ContractPreview from "./components/ContractPreview.vue";
 import ContractTabs from "./components/ContractTabs.vue";
@@ -327,6 +329,21 @@ export default {
       } catch (e) {
         // ignore parse errors
       }
+    },
+    'form.signTime': function (newVal) {
+      if (!newVal) return;
+      const signDate = dayjs(newVal);
+      const minDate = signDate.add(1, 'day').add(30, 'day');
+      let day = minDate.date();
+      const daysInMonth = minDate.daysInMonth();
+      let targetDay = Math.ceil(day / 5) * 5;
+      let result;
+      if (targetDay > daysInMonth) {
+        result = minDate.add(1, 'month').date(5);
+      } else {
+        result = minDate.date(targetDay);
+      }
+      this.form.deliveryDate = result.format('YYYY-MM-DD');
     }
   },
   methods: {
@@ -357,6 +374,18 @@ export default {
     /** 处理合同模板选择 */
     handleTemplateSelect(template) {
       this.form.contractContent = template.dictValue;
+      this.fillContractDates();
+    },
+
+    /** 自动补全合同内容中的交货日期 */
+    fillContractDates() {
+      if (!this.form.signTime || !this.form.deliveryDate || !this.form.contractContent) return;
+      const startDate = dayjs(this.form.signTime).add(1, 'day').format('YYYY年MM月DD日');
+      const endDate = dayjs(this.form.deliveryDate).format('YYYY年MM月DD日');
+      this.form.contractContent = this.form.contractContent.replace(
+        /(交\(提\)货时间：)[^<]*/,
+        `$1自 ${startDate}起至 ${endDate}止`
+      );
     },
 
     /** 处理合同状态更新 */