实现企业银行账户与建行制单（corporate-bank-account-payment-order）

client/src/api/paymentBatches.ts

@@ -49,6 +49,18 @@ export type PaymentBatch = {
   secondaryReviewComment: string | null;
   executionSummaryJson: Record<string, unknown> | null;
   receiptAttachmentCount?: number;
+  paymentAccount: {
+    accountName: string;
+    bankName: string;
+    bankInstitutionCode: string;
+    accountNumberMasked: string;
+  } | null;
+  paymentOrderExportCount: number;
+  paymentOrderLastExportedAt: string | null;
+  paymentOrderLastExportedBy: string | null;
+  canExportPaymentOrder: boolean;
+  paymentOrderExportBlockReason: string | null;
+  paymentOrderExportBlockers: Array<{ code: string; entityCode?: string }>;
   createdAt: string | null;
   createdBy: string | null;
   reviewedAt: string | null;
@@ -171,6 +183,21 @@ export async function cancelPaymentBatch(batchId: string, reason: string) {
   });
 }
 
+export async function downloadPaymentOrder(batchId: string, reason: string): Promise<ApiBlobResponse> {
+  return apiRequestBlob(`/api/payment-batches/${batchId}/payment-order`, {
+    method: "POST",
+    headers: { "content-type": "application/json" },
+    body: JSON.stringify({ reason }),
+  });
+}
+
+export async function revealPaymentBatchPayeeBank(batchId: string, itemId: string, reason: string) {
+  return apiRequestData<{ bankAccount: string }>(
+    `/api/payment-batches/${batchId}/items/${itemId}/payee-bank/reveal`,
+    { method: "POST", body: JSON.stringify({ reason }) },
+  );
+}
+
 export async function fetchPaymentBatchReceiptAttachments(batchId: string) {
   return apiRequestData<{ items: PaymentBatchReceiptAttachment[] }>(
     `/api/payment-batches/${batchId}/receipt-attachments`,