JSON Evaluation Report Format

Generate {{model}} evaluation report in JSON format.

Required structure:
{
  "model": "{{model}}",
  "evaluation_date": "ISO-8601",
  "metrics": {"accuracy": float, "latency_p50": int},
  "risks": [{"category": str, "severity": str, "mitigation": str}],
  "recommendation": {"decision": str, "confidence": float}
}

Populate from {{evaluation_data}} with {{validation_rules}} applied.