更新附件追加功能，新增removeAnnotations参数以控制注释移除逻辑，优化文件上传接口调用。

app/api/files/files-upload.ts

@@ -231,7 +231,8 @@ export async function appendContractAttachments(
   mergeMode: 'overwrite' | 'new' = 'overwrite',
   isReprocess: boolean = true,
   remark?: string,
-  jwtToken?: string
+  jwtToken?: string,
+  removeAnnotations: boolean = true
 ): Promise<{data: FileUploadResponse; error?: never} | {data?: never; error: string; status?: number}> {
   try {
     console.log('【合同附件追加】开始追加附件:', { documentId, fileCount: files.length, mergeMode });
@@ -247,6 +248,7 @@ export async function appendContractAttachments(
     // 添加其他参数
     formData.append('merge_mode', mergeMode);
     formData.append('is_reprocess', isReprocess.toString());
+    formData.append('remove_annotations', removeAnnotations.toString());
     if (remark) {
       formData.append('remark', remark);
     }

app/routes/documents._index.tsx

@@ -794,7 +794,8 @@ export default function DocumentsIndex() {
         attachmentMergeMode,
         true, // isReprocess
         attachmentRemark || undefined,
-        loaderData.frontendJWT as string | undefined
+        loaderData.frontendJWT as string | undefined,
+        true // removeAnnotations
       );
 
       if (result.error) {
@@ -1064,7 +1065,7 @@ export default function DocumentsIndex() {
             <i className="ri-download-line"></i>
             下载
           </button>
-          {record.type === 1 && record.fileStatus === 'Processed' && (
+          {record.type === '1' && record.fileStatus === 'Processed' && (
             <>
               <button 
                 type="button"

app/routes/files.upload.tsx

@@ -921,7 +921,8 @@ export default function FilesUpload() {
         attachmentMergeMode,
         true, // isReprocess
         attachmentRemark || undefined,
-        loaderData.frontendJWT as string | undefined
+        loaderData.frontendJWT as string | undefined,
+        true // removeAnnotations
       );
 
       if (result.error) {