{"failure_diagnosis":{"cause":"Input data lacked explicit origin definitions and contained self-intersecting edges that violated closed solid requirements for manufacturing.","correction":"Reconstruct the feature using constrained construction primitives with defined coordinate systems, ensuring all surfaces form valid, non-overlapping shells.","failure":"Non-manifold geometry causing assembly rejection"},"limitations":["Historical context of geometric tolerance standards may vary across different manufacturing industries.","Automated detection algorithms cannot always distinguish between intentional design features and accidental self-intersections without visual inspection."],"provenance_review":{"commercial_use":"blocked","decision":"quarantine","licence_status":"unknown","reason":"Unknown provenance prevents reuse due to inability to verify copyright ownership or licensing terms required for commercial distribution of generated assets."},"round":2,"safety_gate":{"action":"continue","forge_execution_allowed":false,"reason":"Execution is refused because the source material lacks verified safety certifications and physical validation data necessary for automated tooling integration.","risk_class":"low"}}