{
  "run": {
    "sessionId": "eval-payment-timeout",
    "query": "支付接口最近出现超时，请结合知识库、日志和指标判断可能原因，并给出修复建议。",
    "status": "SUCCESS",
    "agentFlow": "CHAT",
    "totalDurationMs": 42000,
    "toolCallCount": 3,
    "answer": "支付接口超时与连接池等待有关。知识库说明支付超时需要同时检查连接池、日志和指标；日志出现 connection pool exhausted；指标显示支付服务延迟升高。",
    "selfEvaluation": {
      "verifier_evaluation": {
        "verdict": "PASS",
        "groundedness_score": 0.86,
        "tool_trace_summary": [
          {
            "tool_name": "lookup_knowledge",
            "success": true,
            "evidence_level": "direct"
          },
          {
            "tool_name": "query_logs",
            "success": true,
            "evidence_level": "direct"
          },
          {
            "tool_name": "query_metrics",
            "success": true,
            "evidence_level": "direct"
          }
        ]
      }
    }
  },
  "steps": [],
  "toolInvocations": [
    {
      "id": 1,
      "sessionId": "eval-payment-timeout",
      "toolName": "lookup_knowledge",
      "success": true,
      "relevanceLevel": "PRECISE"
    },
    {
      "id": 2,
      "sessionId": "eval-payment-timeout",
      "toolName": "query_logs",
      "success": true
    },
    {
      "id": 3,
      "sessionId": "eval-payment-timeout",
      "toolName": "query_metrics",
      "success": true
    }
  ],
  "summary": {
    "persistedStepCount": 3,
    "returnedStepCount": 3,
    "persistedToolCallCount": 3,
    "returnedToolCallCount": 3,
    "hasVerifierEvaluation": true,
    "hasFeedback": false
  }
}