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Tommaso BianchiandClaude Opus 4.8
01e474e17c
Two body-producing features that emit an open shell instead of a capped solid: SurfaceExtrude (prism of a sketch wire, no end caps) and SurfaceRevolve (revolve of a wire about an in-plane axis, no caps). Each appends a new sheet body whose TopoDS_Shape has no TopAbs_SOLID. Purely additive: two enum values appended at the end of CadFeatureType, reusing existing serialized fields (sketch_ref/distance, revolve_angle/revolve_axis). No new cereal fields, recipe stays v2, golden fixture unchanged. is_sheet_shape() derives sheet-ness from the OCCT shape type (bodies are not serialized). MCP surface_extrude/surface_revolve added as pure additions. Suite 99 cases / 1474 assertions green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BVzKmX6Y1aEteit1HTXG4Q