fix: 完善动态错误指引与发票日期校验（09-05-error-explainability-payment-readiness）

server/tests/unit/routes/invoicePool.bindable.test.js

@@ -106,6 +106,23 @@ function buildApp({
 }
 
 describe("GET /api/invoice-pool/bindable", () => {
+  it.each([
+    ["GET", "/invoice-pool?page=0", "list_query_invalid"],
+    ["GET", "/invoice-pool/bindable?reimbursementId=invalid", "selection_query_invalid"],
+    ["GET", "/invoice-pool/status", "status_query_invalid"],
+    ["GET", "/invoice-pool/status?ids=invalid", "status_query_invalid"],
+    ["GET", "/invoice-pool/invalid", "id_invalid"],
+    ["POST", "/invoice-pool/invalid/signed-url", "id_invalid"],
+  ])("explains invalid invoice request %s %s before data access", async (method, url, reason) => {
+    const { app, prisma } = await buildApp();
+    try {
+      const response = await app.inject({ method, url: `/api${url}`, headers: { authorization: "Bearer test" } });
+      expect(response.statusCode).toBe(400);
+      expect(response.json().error.details.reasonCode).toBe(`invoice_pool.${reason}`);
+      expect(prisma.invoicePool.findMany).not.toHaveBeenCalled();
+      expect(prisma.reimbursementForm.findUnique).not.toHaveBeenCalled();
+    } finally { await app.close(); }
+  });
   it("returns bindable invoices for reimbursement submitter and uses reimbursement owner for filtering", async () => {
     const bindableItems = [
       {
@@ -199,7 +216,7 @@ describe("GET /api/invoice-pool/bindable", () => {
   });
 
   it("rejects reimbursements not in draft or rejected status", async () => {
-    const { app } = await buildApp({
+    const { app, prisma } = await buildApp({
       reimbursement: {
         id: REIMBURSEMENT_ID,
         owner_id: OWNER_ID,
@@ -215,7 +232,8 @@ describe("GET /api/invoice-pool/bindable", () => {
     });
 
     expect(response.statusCode).toBe(409);
-    expect(response.json().error.details).toEqual({ reimbursement: "invalid_status_for_bind" });
+    expect(response.json().error.details).toEqual({ reimbursement: "invalid_status_for_bind", reasonCode: "invoice_pool.reimbursement_not_editable" });
+    expect(prisma.invoicePool.findMany).not.toHaveBeenCalled();
 
     await app.close();
   });