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Ryan Schultz
bfa2d789f1
IfcTriangulatedFaceSet/IfcPolygonalFaceSet were introduced in Fix #7992: IFC4 and do not exist in IFC2X3. Previously, requesting an IfcTessellatedFaceSet representation in an IFC2X3 file silently fell back to a faceted brep after unassigning material sets. Add a guard in the update_representation operator (user-facing error) and in the add_representation API (ValueError) so the unsupported request is caught instead of failing silently. Generated with the assistance of an AI coding tool.