✨ 结算单业务模式运输方式与编辑体验优化

预结算/收付款结算支持业务模式与运输方式展示导出；完善结算调整、对账导入与变更记录；组织合同初始流水号未填不再显示-1。

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

src/utils/settlement-adjust-rule.js

@@ -3,10 +3,27 @@ export function isFreightFeeName(name) {
   return text.includes('运费') || text.includes('运输费');
 }
 
+function parseBillingRules(row = {}) {
+  const rule = row.billingRule || {};
+  const nested = Array.isArray(rule.rules) ? rule.rules : [];
+  if (nested.length) return nested;
+  const raw = row.billingRulesJson ?? row.billingRules;
+  if (Array.isArray(raw)) return raw.filter(item => item && typeof item === 'object');
+  if (typeof raw === 'string' && raw.trim()) {
+    try {
+      const parsed = JSON.parse(raw);
+      return Array.isArray(parsed) ? parsed.filter(item => item && typeof item === 'object') : [];
+    } catch (error) {
+      return [];
+    }
+  }
+  return [];
+}
+
 /** 运输单价对应的运费计费类型。 */
 export function freightBillingType(row = {}) {
   const rule = row.billingRule || {};
-  const rules = Array.isArray(rule.rules) ? rule.rules : [];
+  const rules = parseBillingRules(row);
   const freightRule = rules.find(
     item => isFreightFeeName(item?.feeItem) || isFreightFeeName(item?.feeType)
   );