{
  "version": "v1",
  "model_uuid": "mother-001",
  "description": "Facets taxonomy for Mother (eng + math + code only). Children extend this with their own domains.",
  "domains": {
    "english": ["grammar", "vocabulary", "style", "rhetoric", "comprehension", "composition", "idioms", "register"],
    "math": ["arithmetic", "algebra", "geometry", "calculus", "logic", "proof", "statistics", "number_theory"],
    "code": ["syntax", "algorithms", "data_structures", "debugging", "design_patterns", "testing", "performance", "security"]
  }
}