{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ClaimsGPT Model Schema",
  "type": "object",
  "required": ["model_name", "version", "intended_use", "risk_level", "approval_status"],
  "properties": {
    "model_name": {
      "type": "string",
      "description": "HuggingFace model identifier"
    },
    "version": {
      "type": "string",
      "description": "Model version (semver: 1.0.0)"
    },
    "provider": {
      "type": "string",
      "enum": ["hf_router", "dedicated", "openai"],
      "default": "hf_router"
    },
    "intended_use": {
      "type": "string",
      "description": "What this model is used for"
    },
    "prohibited_use": {
      "type": "array",
      "items": { "type": "string" }
    },
    "risk_level": {
      "type": "string",
      "enum": ["low", "medium", "high"]
    },
    "region_policy": {
      "type": ["string", "null"],
      "description": "Regional restrictions"
    },
    "evaluation_metrics": {
      "type": "object",
      "properties": {
        "hallucination_rate": { "type": "number" },
        "bias_score": { "type": "number" },
        "latency_p95_ms": { "type": "integer" },
        "cost_per_1k_tokens": { "type": "number" }
      }
    },
    "bias_report_link": {
      "type": ["string", "null"]
    },
    "approval_status": {
      "type": "string",
      "enum": ["draft", "submitted", "approved", "rejected"]
    },
    "approved_by": { "type": ["string", "null"] },
    "approved_at": { "type": ["string", "null"] }
  }
}