Implement playable Mac client and rendering validation

project/ui/char_select_screen.gd

@@ -238,7 +238,9 @@ func _build_stage() -> void:
 	root.add_child(we)
 
 	_pivot = Node3D.new()
-	_pivot.rotation.y = PI * 0.5
+	# Animation sampling no longer reapplies the exported InitialPlacement;
+	# the intro pose already faces the camera without a quarter-turn correction.
+	_pivot.rotation.y = 0.0
 	root.add_child(_pivot)
 
 	_cam = Camera3D.new()