{
  "total_traces": 300,
  "tier1_auto": 174,
  "tier2_auto": 118,
  "expert_queue": 8,
  "tier1_pct": 58.0,
  "tier2_pct": 39.3,
  "expert_pct": 2.7,
  "overall_accuracy": 88.3,
  "tier1_accuracy": 96.0,
  "tier2_accuracy": 76.3,
  "expert_accuracy": 100.0,
  "emergency_count": 36,
  "urgent_false_negatives": 0
}