V1-V6 收口移动视口与 PDF 发票上传

server/src/routes/invoicePool.js

@@ -23,12 +23,7 @@ const {
   resolveUploadDedupDecision,
 } = require("../services/invoiceGovernance");
 
-const MIME_ALLOWLIST = new Set([
-  "application/pdf",
-  "image/jpeg",
-  "image/png",
-  "image/webp",
-]);
+const INVOICE_UPLOAD_MIME_TYPE = "application/pdf";
 const OCR_TYPE_ALLOWLIST = new Set(["vat", "train", "flight", "taxi", "general"]);
 
 const bindBodySchema = z.union([
@@ -200,6 +195,10 @@ function parseDateOnlyString(value) {
   return new Date(`${trimmed}T00:00:00.000Z`);
 }
 
+function isPdfInvoiceUpload(fileName, mimeType) {
+  return mimeType === INVOICE_UPLOAD_MIME_TYPE && path.extname(fileName ?? "").toLowerCase() === ".pdf";
+}
+
 async function resolveDefaultExpenseType(tx) {
   const preferred = await tx.expenseType.findFirst({
     where: {
@@ -369,12 +368,12 @@ async function invoicePoolRoutes(fastify) {
             fileName = part.filename ?? "upload";
             fileMimeType = part.mimetype;
 
-            if (!MIME_ALLOWLIST.has(fileMimeType)) {
+            if (!isPdfInvoiceUpload(fileName, fileMimeType)) {
               throw new AppError({
                 code: "VALID_001",
-                message: "参数校验失败",
+                message: "请上传 PDF 发票文件",
                 statusCode: 400,
-                details: { file: "unsupported_mime_type" },
+                details: { file: "pdf_invoice_required" },
               });
             }