Translate all Chinese comments and strings to English

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/File/UploadModal.vue

@@ -50,28 +50,28 @@ async function upload(event) {
   const formData = new FormData();
   let uploadFile;
 
-  // 判斷是否有檔案
+  // Check if a file exists
   if(target && target.files) {
     uploadFile = target.files[0];
   }
-  // 判斷檔案大小不可超過 90MB (90(MB)*1024(KB)*1024(Bytes)=94,371,840)
+  // File size must not exceed 90 MB (90*1024*1024 = 94,371,840 bytes)
   if(uploadFile.size >= 94371840) {
     fileInput.value = '';
     return uploadFailedFirst('size');
   }
-  // 將檔案加進 formData，欄位一定要「csv」
+  // Append the file to formData; the field name must be "csv"
   formData.append('csv', uploadFile);
-  // 呼叫第一階段上傳 API
+  // Call the first-stage upload API
   if(uploadFile) {
     await filesStore.upload(formData);
   }
   if (uploadFile.name.endsWith('.csv')) {
     uploadFileName.value = uploadFile.name.slice(0, -4);
   } else {
-    // 處理錯誤或無效的文件格式
-    uploadFileName.value = ''; // 或者其他適合的錯誤處理方式
+    // Handle error or invalid file format
+    uploadFileName.value = ''; // Or other appropriate error handling
   }
-  // 清除選擇文件
+  // Clear the selected file
   if(fileInput) {
     fileInput.value = '';
   }