{
  "comment": "Material-Field Governance Timing Configuration",
  "elastic_modulus": {
    "mode": "multiplicative",
    "sigma": 0.5,
    "comment": "Modes: 'cosine' (angular only), 'multiplicative' (angle×proximity), 'rbf' (proximity only)"
  },
  "constraint_pressure": {
    "lambda_min": 0.40,
    "lambda_max": 1.20,
    "comment": "λ_max can exceed 1.0 for aggressive crystallization"
  },
  "phase_transitions": {
    "nucleation_threshold": 0.40,
    "quenching_threshold": 0.80,
    "comment": "Phase boundaries as fraction of total time (0.0 to 1.0)"
  },
  "inference": {
    "total_steps": 8,
    "comment": "Number of inference steps for phase progression"
  },
  "presets": {
    "conservative": {
      "lambda_min": 0.25,
      "lambda_max": 0.90,
      "nucleation_threshold": 0.50,
      "quenching_threshold": 0.90,
      "total_steps": 12,
      "elastic_modulus_mode": "multiplicative",
      "elastic_modulus_sigma": 0.3,
      "comment": "Tight binding for verified facts"
    },
    "balanced": {
      "lambda_min": 0.40,
      "lambda_max": 1.20,
      "nucleation_threshold": 0.40,
      "quenching_threshold": 0.80,
      "total_steps": 8,
      "elastic_modulus_mode": "multiplicative",
      "elastic_modulus_sigma": 0.5,
      "comment": "Balanced alignment and proximity"
    },
    "aggressive": {
      "lambda_min": 0.50,
      "lambda_max": 1.50,
      "nucleation_threshold": 0.30,
      "quenching_threshold": 0.70,
      "total_steps": 6,
      "elastic_modulus_mode": "multiplicative",
      "elastic_modulus_sigma": 0.8,
      "comment": "Loose binding for creative/exploratory"
    },
    "mission_critical": {
      "lambda_min": 0.60,
      "lambda_max": 2.00,
      "nucleation_threshold": 0.25,
      "quenching_threshold": 0.65,
      "total_steps": 8,
      "elastic_modulus_mode": "multiplicative",
      "elastic_modulus_sigma": 0.25,
      "comment": "Maximum exclusion pressure + very tight binding for safety-critical systems"
    },
    "forgiving": {
      "lambda_min": 0.30,
      "lambda_max": 0.90,
      "nucleation_threshold": 0.50,
      "quenching_threshold": 0.85,
      "total_steps": 10,
      "elastic_modulus_mode": "multiplicative",
      "elastic_modulus_sigma": 0.65,
      "comment": "Tolerates ambiguity and creative drift"
    }
  }
}