patch downloading and uploading

index.js

@@ -263,9 +263,19 @@ const uploadToSFTP = async () => {
 
   try {
     await sftp.connect(connectOptions);
+    const remoteFiles = await sftp.list(remote);
+    for (const file of remoteFiles) {
+      if (file.name.endsWith(".jar") && files.includes(file.name)) {
+        const remoteFilePath = path.posix.join(remote, file.name);
+        console.log(`🗑️ Deleting remote file: ${remoteFilePath}`);
+        await sftp.delete(remoteFilePath);
+      }
+    }
+
+    // 🚀 Upload new files
     for (const file of files) {
       const local = path.join(DOWNLOAD_PATH, file);
-      const remoteFile = path.join(remote, file).replace(/\\/g, "/");
+      const remoteFile = path.posix.join(remote, file);
       console.log(`🚀 Uploading ${file} → ${remoteFile}`);
       await sftp.put(local, remoteFile);
     }
@@ -279,6 +289,12 @@ const uploadToSFTP = async () => {
 // --- Main ---
 (async () => {
   ensureDir(DOWNLOAD_PATH);
+  const existingFiles = fs.readdirSync(DOWNLOAD_PATH).filter(f => f.endsWith(".jar"));
+  for (const file of existingFiles) {
+    const filePath = path.join(DOWNLOAD_PATH, file);
+    fs.unlinkSync(filePath);
+    console.log(`🗑️ Deleted local file: ${file}`);
+  }
 
   for (const url of config.urls) {
     console.log(`\n📥 ${url}`);