Large STEP imports: no more multi-minute hang, shared STEP text, cancel and progress (#925)

crates/kernel/src/lib.rs

@@ -93,6 +93,7 @@ mod topo;
 mod tspline;
 #[cfg(test)]
 mod untouched_faces_tests;
+pub mod watch;
 
 pub use blend::{ChamferSide, chamfer, chamfer_sides, fillet, fillet_each, fillet_g2, fillet_max, fillet_max_each};
 pub use blend_corner::fillet_radii;
@@ -119,7 +120,7 @@ pub use prism_measure::certified_prism_equivalent;
 pub use sew::{EdgeSpec, FaceSpec, SurfSpec, sew};
 pub use splitface::{SplitTool, split_body, split_faces, split_faces_with_map};
 pub use step::step_export;
-pub use step_in::{ImportedBody, StepImport, StepNode, step_import, step_import_shared, step_orientation_errors, step_validate};
+pub use step_in::{ImportedBody, StepImport, StepNode, step_cache_alive, step_import, step_import_shared, step_orientation_errors, step_validate};
 pub use step_out::{ExportBody, ExportProduct, StepHeader, step_export_bodies, step_export_products};
 pub use surface_kind::{FaceSurface, face_surface};
 pub use surface_offset::offset_surface;