{
  "acceptance_criteria": [
    "Output geometry contains zero self-intersecting faces.",
    "All resulting surfaces maintain consistent normal directionality."
  ],
  "forge_execution_allowed": false,
  "limitations": [
    "Cannot validate physical fit or material stress without external simulation tools.",
    "Does not account for manufacturing tolerances beyond geometric closure."
  ],
  "principles": [
    "Use explicit units, origins, axes and coordinate systems.",
    "Prefer constrained construction geometry for functional features.",
    "Maintain closed, valid solids for manufacturing."
  ],
  "repeatable_method_steps": [
    "Define the base object with a clear origin point and unit scale.",
    "Apply subtraction or union operations while preserving manifold topology.",
    "Verify output integrity by checking for non-manifold edges or inverted normals."
  ],
  "required_inputs": [
    "Base solid definition with coordinate system metadata",
    "Target feature shape and operation type (union/subtract)"
  ],
  "round": 1,
  "safe_knowledge_gate": "Theoretical understanding of topological validity in CAD modeling."
}