Add Git overlay, operation tools, and virtualized preview so large folders stay responsive.

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

src/Explorer.Windows/WindowsWorkspaceLauncher.cs

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+using System.Diagnostics;
+using Explorer.Application;
+using Explorer.Domain;
+
+namespace Explorer.Windows;
+
+public sealed class WindowsWorkspaceLauncher : IWorkspaceLauncher
+{
+    public void OpenTerminal(string directory)
+    {
+        var dir = PathRules.FromExtended(directory);
+        if (!Directory.Exists(dir))
+        {
+            return;
+        }
+
+        if (TryStart("wt.exe", "-d " + Quote(dir)))
+        {
+            return;
+        }
+
+        TryStart("cmd.exe", "/k cd /d " + Quote(dir));
+    }
+
+    public bool TryOpenInCursor(string directory)
+    {
+        var dir = PathRules.FromExtended(directory);
+        if (!Directory.Exists(dir))
+        {
+            return false;
+        }
+
+        var cursor = CursorLocator.Find();
+        if (cursor is not null)
+        {
+            return TryStart(cursor, Quote(dir));
+        }
+
+        return TryStart("cursor", Quote(dir));
+    }
+
+    private static bool TryStart(string fileName, string arguments)
+    {
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = fileName,
+                Arguments = arguments,
+                UseShellExecute = true
+            });
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static string Quote(string path)
+        => path.StartsWith('"') ? path : "\"" + path.Replace("\"", "\\\"") + "\"";
+}