实现业务附件受控入库 V1（05-28-business-attachment-governance-v1）

client/src/api/reimbursements.ts

@@ -1,5 +1,6 @@
 import { apiRequestBlob, apiRequestData } from "./http";
 import type { ExpenseStandardCheck, PrecheckResponse, RiskFlag } from "./feeControl";
+import { buildAttachmentFileUrl, type AttachmentGovernanceFields } from "../lib/attachmentGovernance";
 
 export type ReimbursementStatus =
   | "draft"
@@ -182,6 +183,7 @@ export type ReimbursementDetail = {
     mimeType: string;
     fileSize: number;
     fileSha256: string;
+  } & AttachmentGovernanceFields & {
     uploadedBy: {
       id: string;
       name: string;
@@ -516,8 +518,8 @@ export function reimbursementAttachmentFileUrl(reimbursementId: string, attachme
   return `/api/reimbursements/${reimbursementId}/attachments/${attachmentId}/file`;
 }
 
-export async function downloadReimbursementAttachment(reimbursementId: string, attachmentId: string) {
-  return apiRequestBlob(reimbursementAttachmentFileUrl(reimbursementId, attachmentId));
+export async function downloadReimbursementAttachment(reimbursementId: string, attachmentId: string, reason?: string) {
+  return apiRequestBlob(buildAttachmentFileUrl(reimbursementAttachmentFileUrl(reimbursementId, attachmentId), reason));
 }