minor changes

src/DirectoryNode.cpp

@@ -467,6 +467,9 @@ String DirectoryNode::getCurrentPlayingFilePath() const
     if (currentPlaying != nullptr)
     {
         String filePath = name;
+        if (!filePath.startsWith("/")) {
+            filePath = "/"+filePath;
+        }
         if (!filePath.endsWith("/"))
         {
             filePath += "/";

src/main.cpp

@@ -222,7 +222,7 @@ void handleUpload(AsyncWebServerRequest *request, String filename, size_t index,
     }
     
     // Flush data periodically to ensure it's written
-    if (index % 4096 == 0) { // Flush every 4KB
+    if (index % 2048 == 0) { // Flush every 2KB
       request->_tempFile.flush();
     }
     
@@ -262,8 +262,10 @@ void handleMoveFile(AsyncWebServerRequest *request) {
   String to = request->arg("to");
 
   if (SD.exists(from)) {
-    SD.rename(from.c_str(), to.c_str());
+    SD.rename(from, to);
     Serial.println("Moved file: " + from + " to " + to);
+    // Rebuild directory tree to update file list
+    rootNode.buildDirectoryTree("/");
     request->send(200, "text/plain", "File moved successfully.");
   } else {
     Serial.println("File not found: " + from);
@@ -275,8 +277,10 @@ void handleDeleteFile(AsyncWebServerRequest *request) {
   String filename = request->arg("filename");
 
   if (SD.exists(filename)) {
-    SD.remove(filename);
+    SD.remove(filename.c_str());
     Serial.println("Deleted file: " + filename);
+    // Rebuild directory tree to update file list
+    rootNode.buildDirectoryTree("/");
     request->send(200, "text/plain", "File deleted successfully.");
   } else {
     Serial.println("File not found: " + filename);