feat: 增加顺丰月结列表，支持导出、结算和补填运费

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

web-admin/src/utils/sf-express-settlement-export.test.ts

@@ -0,0 +1,17 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { buildSfExpressExportRows } from './sf-express-settlement-export.ts'
+
+test('export rows match the settlement list columns', () => {
+  const rows = buildSfExpressExportRows([
+    {
+      waybillNo: '',
+      createByName: '张三',
+      createTime: '2026-10-21 09:00:00',
+      settleStatusLabel: '未结算',
+      freightAmountLabel: '月结',
+      settleTime: ''
+    }
+  ])
+  assert.deepEqual(rows[0], ['—', '张三', '2026-10-21 09:00:00', '未结算', '月结', '—'])
+})

web-admin/src/utils/sf-express-settlement-export.ts

@@ -0,0 +1,30 @@
+import ExcelJS from 'exceljs'
+import FileSaver from 'file-saver'
+
+const HEADERS = ['顺丰单号', '创建人', '创建时间', '结算状态', '运费', '结算时间']
+
+export function buildSfExpressExportRows(list: Array<Record<string, string>>) {
+  return list.map((row) => [
+    row.waybillNo || '—',
+    row.createByName || '—',
+    row.createTime || '—',
+    row.settleStatusLabel || '—',
+    row.freightAmountLabel || '—',
+    row.settleTime || '—'
+  ])
+}
+
+export async function saveSfExpressSettlementWorkbook(list: Array<Record<string, string>>) {
+  const workbook = new ExcelJS.Workbook()
+  const sheet = workbook.addWorksheet('顺丰月结')
+  sheet.addRow(HEADERS)
+  buildSfExpressExportRows(list).forEach((line) => sheet.addRow(line))
+  const buffer = await workbook.xlsx.writeBuffer()
+  const blob = new Blob([buffer], {
+    type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+  })
+  const stamp = new Date()
+  const pad = (value: number) => String(value).padStart(2, '0')
+  const name = `顺丰月结-${stamp.getFullYear()}${pad(stamp.getMonth() + 1)}${pad(stamp.getDate())}${pad(stamp.getHours())}${pad(stamp.getMinutes())}${pad(stamp.getSeconds())}.xlsx`
+  FileSaver.saveAs(blob, name)
+}