Had to stop production as I ran out of copilot credits

PianobarManager.cs

@@ -313,9 +313,15 @@ namespace PainoBar_Helper
 
             lock (_inputLock)
             {
-                // Use LF explicitly to avoid CRLF handling issues with redirected stdin.
-                _inputWriter.Write(command);
-                _inputWriter.Write('\n');
+                // Convert to ASCII bytes with Unix LF to avoid StreamWriter text encoding issues
+                // that can cause Pianobar's C-runtime to see extra characters
+                byte[] bytes = System.Text.Encoding.ASCII.GetBytes(command + "\n");
+
+                // Write raw bytes directly to base stream, bypassing StreamWriter
+                _inputWriter.BaseStream.Write(bytes, 0, bytes.Length);
+
+                // Flush both base stream and StreamWriter buffers immediately
+                _inputWriter.BaseStream.Flush();
                 _inputWriter.Flush();
             }