Record the three failed Swat yaw attempts and keep the guard on the worker base

tools/quaternius_parts.py

@@ -363,12 +363,19 @@ def make_base(family_dir: Path, out: Path, yaw: float = 0.0):
     # mesh as well double-applies the skin, and baking the rotation into an already
     # bound mesh collapses the character.
     if abs(yaw) > 0.01:
-        # World-space rotation: the FBX armature carries its own -90 X, so
-        # `rotate_axis("Z")` would turn about that local axis and lay the character
-        # flat instead of facing the other way.
+        # Rotate in *data* space, after the object transforms are baked: turning the
+        # exported armature node rotates with the skin and renders headless, and
+        # rotating the object pair on top of a bound skin collapses it. Rotating the
+        # vertices and the rest bones by the same matrix keeps the bind intact.
         from mathutils import Matrix  # type: ignore
-        keep.matrix_world = (Matrix.Rotation(math.radians(yaw), 4, "Z")
-                             @ keep.matrix_world)
+        rotation = Matrix.Rotation(math.radians(yaw), 4, "Z")
+        body.data.transform(rotation)
+        bpy.context.view_layer.objects.active = keep
+        bpy.ops.object.mode_set(mode="EDIT")
+        for bone in keep.data.edit_bones:
+            bone.head = rotation @ bone.head
+            bone.tail = rotation @ bone.tail
+        bpy.ops.object.mode_set(mode="OBJECT")
         bpy.context.view_layer.update()
 
     out.parent.mkdir(parents=True, exist_ok=True)