{
  "run": {
    "sessionId": "eval-slow-response",
    "query": "用户服务 P99 响应时间升高，请结合指标和日志分析。",
    "status": "SUCCESS",
    "agentFlow": "CHAT",
    "totalDurationMs": 47000,
    "toolCallCount": 2,
    "answer": "用户服务 P99 升高主要表现为慢响应。指标显示 P99 latency 从 280ms 上升到 1800ms，日志中同时出现 slow request 和 downstream timeout，因此优先排查下游依赖耗时和线程池排队。",
    "selfEvaluation": {
      "verifier_evaluation": {
        "verdict": "PASS",
        "groundedness_score": 0.78,
        "tool_trace_summary": [
          {
            "tool_name": "query_metrics",
            "success": true,
            "evidence_level": "direct"
          },
          {
            "tool_name": "query_logs",
            "success": true,
            "evidence_level": "direct"
          }
        ]
      }
    }
  },
  "steps": [],
  "toolInvocations": [
    {
      "id": 1,
      "sessionId": "eval-slow-response",
      "toolName": "query_metrics",
      "success": true
    },
    {
      "id": 2,
      "sessionId": "eval-slow-response",
      "toolName": "query_logs",
      "success": true
    }
  ],
  "summary": {
    "persistedStepCount": 3,
    "returnedStepCount": 3,
    "persistedToolCallCount": 2,
    "returnedToolCallCount": 2,
    "hasVerifierEvaluation": true,
    "hasFeedback": false
  }
}