curl --request GET \
  --url https://api.pyai.com/v1/trace/interactions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "object": "trace.interaction",
  "id": "<string>",
  "agent_id": "<string>",
  "findings": 123,
  "blocked_turns": 123,
  "modified_turns": 123,
  "packs_enforced": "<string>",
  "scored_at": 123,
  "audit_hash": "<string>",
  "scorecard": {},
  "tier2_findings": [
    {
      "object": "trace.finding",
      "id": "<string>",
      "interaction_id": "<string>",
      "agent_id": "<string>",
      "check_id": "hallucination",
      "verdict": "concern",
      "confidence": 123,
      "reason": "<string>",
      "preempt_instruction": "<string>",
      "at_t": 123,
      "tier": 2
    }
  ],
  "timeline": [
    {
      "seq": 123,
      "t_ms": 123,
      "role": "<string>",
      "text": "<string>",
      "ttfb_ms": 123,
      "endpointing_ms": 123,
      "barge": {
        "detect_ms": 123,
        "recovered": true
      },
      "tool_calls": [
        {
          "name": "<string>",
          "args": "<unknown>",
          "result": "<unknown>",
          "t_ms": 123
        }
      ]
    }
  ],
  "quality_metrics": {
    "wer": 123,
    "ttfb_ms": 123,
    "turn_p95_ms": 123,
    "barge_recovery": 123,
    "task_success": 123,
    "vaqi": 123
  },
  "derived_metrics": {
    "turns": 123,
    "turns_by_role": {},
    "ttfb_ms": {
      "count": 123,
      "p50": 123,
      "p95": 123,
      "p99": 123
    },
    "endpointing_ms": {
      "count": 123,
      "p50": 123,
      "p95": 123,
      "p99": 123
    },
    "barge": {
      "count": 123,
      "recovered": 123,
      "recovery_rate": 123,
      "detect_ms": {
        "count": 123,
        "p50": 123,
        "p95": 123,
        "p99": 123
      }
    },
    "tool_calls": 123
  }
}