[
  {
    "id": "payment-timeout",
    "title": "Payment API timeout",
    "question": "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。",
    "traceFixture": "payment-timeout-pass.json",
    "expectedRootCauseKeywords": ["支付", "超时", "连接池"],
    "minKeywordMatches": 2,
    "requiredEvidenceTools": ["lookup_knowledge", "query_logs", "query_metrics"],
    "allowedVerdicts": ["PASS", "LOW_CONFID"],
    "forbiddenAnswerKeywords": ["无证据确定"]
  },
  {
    "id": "mysql-pool-exhausted",
    "title": "MySQL connection pool exhausted",
    "question": "订单服务大量请求超时，请判断是否和 MySQL 连接池有关。",
    "traceFixture": "mysql-pool-low-confid.json",
    "expectedRootCauseKeywords": ["mysql", "连接池", "超时"],
    "minKeywordMatches": 2,
    "requiredEvidenceTools": ["lookup_knowledge", "query_logs"],
    "allowedVerdicts": ["LOW_CONFID", "PASS"],
    "forbiddenAnswerKeywords": ["已经完全确认"]
  },
  {
    "id": "redis-timeout",
    "title": "Redis timeout",
    "question": "支付服务出现 Redis 连接超时，请定位可能原因。",
    "traceFixture": "redis-timeout-missing.json",
    "expectedRootCauseKeywords": ["redis", "超时"],
    "minKeywordMatches": 2,
    "requiredEvidenceTools": ["query_logs"],
    "allowedVerdicts": ["LOW_CONFID", "PASS"],
    "forbiddenAnswerKeywords": ["无需进一步排查"]
  },
  {
    "id": "slow-response",
    "title": "Slow response",
    "question": "用户服务 P99 响应时间升高，请结合指标和日志分析。",
    "traceFixture": "slow-response-missing.json",
    "expectedRootCauseKeywords": ["p99", "慢响应"],
    "minKeywordMatches": 1,
    "requiredEvidenceTools": ["query_metrics", "query_logs"],
    "allowedVerdicts": ["LOW_CONFID", "PASS"],
    "forbiddenAnswerKeywords": ["没有风险"]
  },
  {
    "id": "jvm-memory-risk",
    "title": "JVM memory risk",
    "question": "订单服务内存使用率过高，请判断是否存在 OOM 风险。",
    "traceFixture": "jvm-memory-risk-missing.json",
    "expectedRootCauseKeywords": ["jvm", "内存", "oom"],
    "minKeywordMatches": 2,
    "requiredEvidenceTools": ["query_metrics", "query_logs"],
    "allowedVerdicts": ["LOW_CONFID", "PASS"],
    "forbiddenAnswerKeywords": ["可以忽略"]
  }
]