✨ 完善付款申请多结算行、结算导入编辑与计费规则展示

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

src/utils/settlement-adjust-rule.js

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+export function isFreightFeeName(name) {
+  const text = String(name || '');
+  return text.includes('运费') || text.includes('运输费');
+}
+
+/** 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 freightRule = rules.find(
+    item => isFreightFeeName(item?.feeItem) || isFreightFeeName(item?.feeType)
+  );
+  return freightRule?.billingType || row.billingType || rule.billingType || '';
+}
+
+export function isTierUnitPrice(row) {
+  return freightBillingType(row) === '阶梯单价';
+}
+
+export function isIntervalBilling(row) {
+  const type = freightBillingType(row);
+  return type === '区间单价' || (type.includes('区间') && type.includes('一口价'));
+}
+
+/** 阶梯单价、区间单价、区间一口价的运输单价不开放手工调整。 */
+export function isUnitPriceAdjustable(row) {
+  const type = freightBillingType(row);
+  if (!type) return true;
+  return !isTierUnitPrice(row) && !isIntervalBilling(row);
+}