リスクスコアリング API

curl -X POST "https://api.cityofhats.com/api/v1/risk/score" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "email": "user@example.com"
  }'

{
  "email": "user@example.com",
  "risk_score": 84,
  "confidence": "high",
  "threat_stage": "TESTED",
  "exposed": true,
  "exposure_count": 8,
  "last_seen": "2025-01-02",
  "risk_reasons": [
    "recent credential exposure",
    "observed on criminal trade channels",
    "suspected password reuse",
    "active testing detected"
  ],
  "recommended_action": "step_up_auth",
  "model_version": "2.1"
}