fix: 制单备注补充报销用途（09-04-reimbursement-state-gap-finance-view）

server/src/services/paymentOrderXls.js

@@ -156,7 +156,7 @@ function buildPaymentOrderRows(config, batch) {
       serial,
       Number(amount.toFixed(2)),
       "报销款",
-      entityCode,
+      `报销款 ${entityCode}`,
       "0",
       "",
       "",

server/tests/unit/services/paymentOrderXls.test.js

@@ -43,7 +43,7 @@ function buildBatch(overrides = {}) {
 }
 
 describe("payment order BIFF8 generator", () => {
-  it("keeps document-only remarks and separate transfers for the same frozen payee account", () => {
+  it("keeps reimbursement-purpose remarks and separate transfers for the same frozen payee account", () => {
     const batch = buildBatch();
     for (const item of batch.items) {
       item.snapshot_json.payee.name = " 合成收款人 ";
@@ -53,8 +53,8 @@ describe("payment order BIFF8 generator", () => {
     }
     const result = buildPaymentOrderRows(config, batch);
     expect(result.rows.map((row) => row.slice(10, 12))).toEqual([
-      ["报销款", "BX-20260802-0001"],
-      ["报销款", "BX-20260802-0002"],
+      ["报销款", "报销款 BX-20260802-0001"],
+      ["报销款", "报销款 BX-20260802-0002"],
     ]);
     expect(result.rows.map((row) => row[5])).toEqual(["合成收款人", "合成收款人"]);
     expect(result.rows[0][4]).toBe(result.rows[1][4]);
@@ -72,7 +72,7 @@ describe("payment order BIFF8 generator", () => {
     batch.items[0].entity_code = ` ${code} `;
     const row = buildPaymentOrderRows(config, batch).rows[0];
     expect(row[5]).toBe(name);
-    expect(row[11]).toBe(code);
+    expect(row[11]).toBe(`报销款 ${code}`);
   });
 
   it.each([
@@ -126,10 +126,10 @@ describe("payment order BIFF8 generator", () => {
     expect(parsed.rows).toHaveLength(2);
     expect(parsed.rows[0]).toEqual([
       "1", payerAccount, "合成测试公司", "01", payeeAccount, "甲", "中国建设银行", "",
-      "PB-20260802-002-R001", 1.2, "报销款", "BX-20260802-0001", "0", "", "",
+      "PB-20260802-002-R001", 1.2, "报销款", "报销款 BX-20260802-0001", "0", "", "",
     ]);
     expect(parsed.rows[1][9]).toBe(2);
-    expect(parsed.rows[1].slice(10, 12)).toEqual(["报销款", "BX-20260802-0002"]);
+    expect(parsed.rows[1].slice(10, 12)).toEqual(["报销款", "报销款 BX-20260802-0002"]);
   });
 
   it("fails the whole export and reports every blocking payee issue", () => {