Menu: stylus sticks out of the hand front and matches the touch point; haptic ticks for hover, release, sliders, scrolling

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/WorldPanel.cs

@@ -48,6 +48,8 @@ public partial class WorldPanel : Node3D
         _menu = new MainMenu { Name = "MainMenu" };
         _screen.SetContent(_menu);
         _screen.PointerPressed += OnPointerPressed;
+        _screen.Haptic += (hand, amplitude, seconds) =>
+            (hand == 0 ? _left : _right).TriggerHapticPulse("haptic", 0.0, amplitude, seconds, 0.0);
 
         _menu.ReturnToSpawnRequested += () =>
         {