{"boundary_cases":{"invalid":{"description":"Negative distance resulting in geometric collapse and non-manifold surfaces.","unit":"mm","value":-10.0},"maximum":{"description":"Upper limit before structural instability or material failure risks arise.","unit":"mm","value":200.0},"minimum":{"description":"Minimum extrusion distance ensuring a closed volume exists.","unit":"mm","value":1.0},"nominal":{"description":"Standard design length for typical household shelving units.","unit":"mm","value":50.0}},"limitations":["Output geometry cannot be physically manufactured without external CAD software integration.","No commercial rights or release authority exists for the generated design data."],"provenance_review":{"commercial_use":"blocked","decision":"quarantine","licence_status":"unknown","reason":"Source material lacks verifiable licensing history, preventing any commercial deployment or public release of generated designs."},"round":3,"safety_gate":{"action":"continue","forge_execution_allowed":false,"reason":"Design remains theoretical and safe for conceptual study only; no physical execution tools are permitted due to unknown provenance.","risk_class":"low"},"transfer_project":{"acceptance_criteria":["The output solid must have exactly zero non-manifold edges and no self-intersecting faces.","All face normals must be consistently outward-facing relative to the defined coordinate system."],"goal":"Apply extrusion logic to create a valid solid for a bookshelf design using harmless household materials.","inputs":[{"name":"base_profile","type":"vector_2d"},{"name":"extrusion_distance","type":"scalar"}],"outputs":[{"name":"shelf_geometry","type":"solid_mesh"},{"name":"validity_check","type":"boolean_flag"}],"steps":["Define the base profile with explicit origin, axes, and units in millimeters.","Extrude the constrained geometry along a specified axis to form a closed solid.","Validate that all faces are manifold and normals point outward without self-intersection."],"title":"Household Shelf Extrusion Transfer"}}