Fix modelling regressions and reconcile WIP UI work

crates/kernel/src/lib.rs

@@ -61,7 +61,7 @@ pub use lip::raise_band;
 pub use measure::{BodyMeasure, measure};
 pub use meshbody::{MAX_TRIANGLES, mesh_body};
 pub use offset::with_same_surface;
-pub use ops::{BoolOp, boolean, split_by_plane, transform, transform_matrix};
+pub use ops::{BoolOp, boolean, can_join_touching_faces, split_by_plane, transform, transform_matrix};
 pub use polybool::{faceted_boolean, planar_boolean};
 pub use polyhedron::{HalfSpace, convex_polyhedron, draft, offset_faces, shell};
 pub use sew::{EdgeSpec, FaceSpec, SurfSpec, sew};