Upload file in the order of sorted file name

lightrag_webui/src/components/documents/UploadDocumentsDialog.tsx

@@ -77,8 +77,17 @@ export default function UploadDocumentsDialog({ onDocumentsUploaded }: UploadDoc
         // Track errors locally to ensure we have the final state
         const uploadErrors: Record<string, string> = {}
 
-        await Promise.all(
-          filesToUpload.map(async (file) => {
+        // Create a collator that supports Chinese sorting
+        const collator = new Intl.Collator(['zh-CN', 'en'], {
+          sensitivity: 'accent',  // consider basic characters, accents, and case
+          numeric: true           // enable numeric sorting, e.g., "File 10" will be after "File 2"
+        });
+        const sortedFiles = [...filesToUpload].sort((a, b) =>
+          collator.compare(a.name, b.name)
+        );
+
+        // Upload files in sequence, not parallel
+        for (const file of sortedFiles) {
           try {
             // Initialize upload progress
             setProgresses((pre) => ({
@@ -138,8 +147,7 @@ export default function UploadDocumentsDialog({ onDocumentsUploaded }: UploadDoc
               [file.name]: errorMsg
             }))
           }
-          })
-        )
+        }
 
         // Check if any files failed to upload using our local tracking
         const hasErrors = Object.keys(uploadErrors).length > 0