Cut over the window to Explorer.Host.exe so only the host writes the index.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/Explorer.FileOperations/FileOperationService.cs

@@ -1,16 +1,16 @@
+using Explorer.Contracts;
 using Explorer.Domain;
 using Explorer.Domain.Abstractions;
-using Explorer.FileOperations;
 
 namespace Explorer.FileOperations;
 
 public sealed class FileOperationService
 {
-    private readonly TransferQueue _queue;
+    private readonly ITransferHost _queue;
     private readonly IShellFileOperations _shell;
     private readonly IFileSystemEnumerator _enumerator;
 
-    public FileOperationService(TransferQueue queue, IShellFileOperations shell, IFileSystemEnumerator enumerator)
+    public FileOperationService(ITransferHost queue, IShellFileOperations shell, IFileSystemEnumerator enumerator)
     {
         _queue = queue;
         _shell = shell;