✨ 业务数量单位改走计量单位，并放开运输计划日期必填

发货模板、运输计划、运单与总单调度从计量单位取 unitName；修复调度提交顶层单位为空，并取消计划开始/结束日期必填。

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/business/components/shipping-template-page.vue

@@ -1098,6 +1098,7 @@ import {
 import { getDictionary as getSystemDictionary } from '@/api/system/dict';
 import { getDictionary } from '@/api/system/dictbiz';
 import { packageOptions } from '@/option/business/common';
+import { loadMeasurementUnitOptions } from '@/utils/measurement-unit';
 import { normalizeMapSearchResults, searchAmapPlaceText } from '@/utils/map-search';
 import { downloadFileByUrl, downloadXls } from '@/utils/util';
 import { isMobile } from '@/utils/validate';
@@ -1278,7 +1279,8 @@ export default {
       cargoTypeRequest: null,
       transportCargoRows: [],
       packageOptions,
-      quantityUnitOptions: ['吨', '千克', '立方米', '立方', '公里', '单', '件', '车', '箱', '托盘'],
+      quantityUnitOptions: [],
+      quantityUnitLoading: false,
       feeUnitOptions: [],
       currencyOptions: [],
       currencyLoading: false,
@@ -1525,11 +1527,25 @@ export default {
   created() {
     this.loadProjectOptions();
     this.ensureCargoTypeOptions();
+    this.loadQuantityUnitOptions();
     this.loadFeeUnitOptions();
     this.loadCurrencyOptions();
     if (this.isStandaloneFormPage) this.$nextTick(() => this.initStandaloneFormPage());
   },
   methods: {
+    loadQuantityUnitOptions() {
+      if (this.quantityUnitLoading) return this.quantityUnitLoadPromise;
+      this.quantityUnitLoading = true;
+      this.quantityUnitLoadPromise = loadMeasurementUnitOptions()
+        .then(options => {
+          this.quantityUnitOptions = options.map(item => item.value);
+          return this.quantityUnitOptions;
+        })
+        .finally(() => {
+          this.quantityUnitLoading = false;
+        });
+      return this.quantityUnitLoadPromise;
+    },
     buildOption(option) {
       const next = { ...option, column: (option.column || []).map(column => ({ ...column })) };
       const tableOrder = this.config.tableColumnOrder || [];