feat: 选票自动生成报销明细并支持集中分类（08-29-reimbursement-expense-policy-invoice-guard）

server/tests/unit/routes/reimbursements.detail.test.js

@@ -337,6 +337,18 @@ async function buildApp({
 }
 
 describe("GET /api/reimbursements/:id detail enhancements", () => {
+  it("reads a saved unclassified draft without inventing an expense type", async () => {
+    const record = buildReimbursementRecord({ status: "draft", workflow_instances: [] });
+    record.items[0].expense_type_id = null;
+    record.items[0].expense_type = null;
+    const { app } = await buildApp({ reimbursement: record, latestWorkflowInstance: null });
+    try {
+      const response = await app.inject({ method: "GET", url: `/api/reimbursements/${REIMBURSEMENT_ID}`, headers: { authorization: "Bearer test" } });
+      expect(response.statusCode, response.body).toBe(200);
+      expect(response.json().data.items[0]).toMatchObject({ expenseTypeId: null, expenseType: null, amount: "188.80" });
+    } finally { await app.close(); }
+  });
+
   it("allows an assigned workflow reviewer to read evidence without expense view permissions", async () => {
     const { app, prisma } = await buildApp({
       employeeId: "99999999-9999-4999-8999-999999999999",