fix(solids): box and wedge histories framed at the bounding-box centre; no second transform after ACIS lift

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

src/scene/convert/solid3d_tess.rs

@@ -1,6 +1,6 @@
 use codec::entities::acis::{SabReader, SatBody, SatDocument};
 use codec::entities::{Body, Region, Solid3D, Surface};
-use kernel::brep::{self, Body as KernelBody};
+use kernel::brep::Body as KernelBody;
 
 use crate::scene::model::mesh_model::{MeshLodSet, MeshModel};
 
@@ -179,21 +179,8 @@ pub(crate) fn kernel_acis_body(acis: &codec::entities::AcisData) -> Option<Kerne
     if !loss.is_empty() || bodies.len() != 1 {
         return None;
     }
-    let body = bodies.pop()?;
-    let source = body.provenance.source()?;
-    let Some((matrix, translation, scale)) = body_transform(&sat, source.index() as usize).ok()?
-    else {
-        return Some(body);
-    };
-    brep::transform(
-        &body,
-        &brep::Placement {
-            x_axis: [scale * matrix[0], scale * matrix[1], scale * matrix[2]],
-            y_axis: [scale * matrix[3], scale * matrix[4], scale * matrix[5]],
-            z_axis: [scale * matrix[6], scale * matrix[7], scale * matrix[8]],
-            origin: translation,
-        },
-    )
+    // The kernel's lift already applies the body's transform record.
+    bodies.pop()
 }
 
 fn remap_acis_material_bindings(