R77-A1: 修复腾讯OCR的PDF识别链路

server/src/services/ocr/index.js

@@ -34,7 +34,7 @@ function buildMissingRequiredOcrError(ocrType, normalized) {
   return `missing_required_fields:${missingFields.join(",")}`;
 }
 
-async function runOcrForInvoice({ config, ocrType, imageBase64 }) {
+async function runOcrForInvoice({ config, ocrType, imageBase64, sourceMimeType }) {
   if (config.ocrProvider === "mock") {
     return runMockOcr({ ocrType, imageBase64 });
   }
@@ -47,7 +47,7 @@ async function runOcrForInvoice({ config, ocrType, imageBase64 }) {
     throw new Error(`Unsupported OCR type: ${ocrType}`);
   }
 
-  return runTencentVatOcr(config, imageBase64);
+  return runTencentVatOcr(config, { imageBase64, sourceMimeType });
 }
 
 module.exports = {