{
  "date": "2026-06-25",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-06-25T00:00:00+08:00",
  "window_end": "2026-06-26T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 29,
    "updated_existing_workspace_count": 20,
    "changed_workspace_count": 49
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1782381769648-485481770",
      "title": "Cluster 10511800512400660539",
      "url": "https://investibook.com/workspace/ws-1782381769648-485481770",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T10:02:49.648457+00:00",
      "updated_at": "2026-06-25T10:02:49.648457+00:00",
      "user_email": "cuiyiding@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "热点"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2237,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4070,
          "output_tokens": 1087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86481,
          "cache_write_tokens": 1171,
          "cost_amount": 2.2379032499999996
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782374951127-d2ce3dfeb",
      "title": "O11Y-2599010",
      "url": "https://investibook.com/workspace/ws-1782374951127-d2ce3dfeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T08:09:11.127285+00:00",
      "updated_at": "2026-06-25T08:09:19.681753+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8109,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 8302,
          "output_tokens": 1697,
          "reasoning_tokens": 0,
          "cache_read_tokens": 101133,
          "cache_write_tokens": 911,
          "cost_amount": 1.8399033000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782366256212-a596bda22",
      "title": "O11Y-2598864",
      "url": "https://investibook.com/workspace/ws-1782366256212-a596bda22",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:44:16.212976+00:00",
      "updated_at": "2026-06-25T05:44:19.522143+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.7384,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 8304,
          "output_tokens": 437,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 77679,
          "cost_amount": 1.7675093999999996
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782364875823-017c83fc2",
      "title": "Analysis",
      "url": "https://investibook.com/workspace/ws-1782364875823-017c83fc2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:21:15.823277+00:00",
      "updated_at": "2026-06-25T05:21:33.769363+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "cdc_or_replication_lag": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 5,
          "matched_terms": [
            "index",
            "plan",
            "query",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cdc_or_replication_lag",
          "score": 5,
          "matched_terms": [
            "cdc",
            "changefeed",
            "lag",
            "replication",
            "ticdc"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso",
            "调度"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 3,
          "matched_terms": [
            "bug",
            "crash",
            "restart"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cdc",
          "changefeed",
          "cpu",
          "crash",
          "duration",
          "index",
          "lag",
          "pd",
          "plan",
          "query",
          "quota",
          "replication",
          "restart",
          "ru",
          "scan"
        ],
        "message_count_used": 27,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4956,
        "message_count": 30,
        "user_message_count": 15,
        "assistant_message_count": 15,
        "token_usage": {
          "interaction_records": 15,
          "input_tokens": 10,
          "output_tokens": 554,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 56143,
          "cost_amount": 1.49564325
        },
        "message_categories": {
          "查询纠偏": 2,
          "Ad hoc 查询": 7,
          "诊断启动": 2,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782351660225-bb37d6c53",
      "title": "UE Cassandra Report 10658480506726873193",
      "url": "https://investibook.com/workspace/ws-1782351660225-bb37d6c53",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:41:00.225954+00:00",
      "updated_at": "2026-06-25T01:41:12.823481+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "index",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "compaction",
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "disk",
          "duration",
          "index",
          "io",
          "query",
          "ru",
          "slow query",
          "sql",
          "tikv",
          "unified read pool"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9798,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2828,
          "output_tokens": 606,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77829,
          "cache_write_tokens": 3340,
          "cost_amount": 0.9943264500000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782359465975-4695d43f0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359465975-4695d43f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:51:05.975961+00:00",
      "updated_at": "2026-06-25T03:51:05.975961+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "heap",
          "memory"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.832,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14202,
          "output_tokens": 3087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55749,
          "cache_write_tokens": 13305,
          "cost_amount": 0.88044435
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T06:06:00.454961+00:00",
      "updated_at": "2026-06-25T06:06:00.454961+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "内存"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8181,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6203,
          "output_tokens": 3196,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55765,
          "cache_write_tokens": 1949,
          "cost_amount": 0.8439750000000003
        },
        "message_categories": {
          "诊断启动": 3
        }
      }
    },
    {
      "workspace_id": "ws-1782360757475-0294b1ac9",
      "title": "O11Y-2598785",
      "url": "https://investibook.com/workspace/ws-1782360757475-0294b1ac9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:12:37.475795+00:00",
      "updated_at": "2026-06-25T04:12:41.404279+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6329,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4473,
          "output_tokens": 1667,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68513,
          "cache_write_tokens": 4669,
          "cost_amount": 0.6496275
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "title": "Lark O11Y-2598422",
      "url": "https://investibook.com/workspace/lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T19:39:13.372880+00:00",
      "updated_at": "2026-06-24T19:39:13.372880+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "restart",
          "异常",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5843,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 11143,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 60420,
          "cost_amount": 0.6251848500000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782360077070-a09907948",
      "title": "Cluster 2034353583595458560",
      "url": "https://investibook.com/workspace/ws-1782360077070-a09907948",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:01:17.070777+00:00",
      "updated_at": "2026-06-25T04:01:17.070777+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4812,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 780,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38007,
          "cache_write_tokens": 735,
          "cost_amount": 0.48117390000000004
        },
        "message_categories": {
          "流程控制/确认": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782359616095-a5875b7be",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1782359616095-a5875b7be",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:53:36.095243+00:00",
      "updated_at": "2026-06-25T03:53:36.095243+00:00",
      "user_email": "qiaoxinke@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4347,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 507,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36036,
          "cache_write_tokens": 829,
          "cost_amount": 0.43471170000000003
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782343643353-aa630496f",
      "title": "O11Y-2598541 TiKV very low space investigation",
      "url": "https://investibook.com/workspace/ws-1782343643353-aa630496f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T23:27:23.353452+00:00",
      "updated_at": "2026-06-24T23:27:23.353452+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4189,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 508,
          "output_tokens": 2090,
          "reasoning_tokens": 0,
          "cache_read_tokens": 52238,
          "cache_write_tokens": 1869,
          "cost_amount": 0.42040634999999993
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782356821556-623c9a41f",
      "title": "26/06/25 stackadabp byoc RC 超限",
      "url": "https://investibook.com/workspace/ws-1782356821556-623c9a41f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:07:01.556490+00:00",
      "updated_at": "2026-06-25T03:07:40.648614+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3709,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1094,
          "output_tokens": 1302,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45959,
          "cache_write_tokens": 333,
          "cost_amount": 0.37414650000000005
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782397079466-16606f7b7",
      "title": "propertyme update config",
      "url": "https://investibook.com/workspace/ws-1782397079466-16606f7b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T14:17:59.466589+00:00",
      "updated_at": "2026-06-25T14:18:10.817647+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "pd"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2602,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 5648,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32664,
          "cache_write_tokens": 979,
          "cost_amount": 0.28613835000000004
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-674ed0e2-6ed4-4553-a5a8-82ee382956fb",
      "title": "Lark APID-29108",
      "url": "https://investibook.com/workspace/lark-ws-674ed0e2-6ed4-4553-a5a8-82ee382956fb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T07:05:26.023027+00:00",
      "updated_at": "2026-06-25T07:05:26.023027+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1579,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1016,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19506,
          "cache_write_tokens": 14734,
          "cost_amount": 0.1579311
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1cb23480-52d6-4005-9ac3-4f3b66ad952d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1cb23480-52d6-4005-9ac3-4f3b66ad952d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:35:48.611685+00:00",
      "updated_at": "2026-06-25T01:35:48.611685+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1311,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 3350,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 21550,
          "cost_amount": 0.1310925
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782357445438-6b3e440a7",
      "title": "TCID-12832 Aiming TiDB Cloud の操作履歴",
      "url": "https://investibook.com/workspace/ws-1782357445438-6b3e440a7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:17:25.438462+00:00",
      "updated_at": "2026-06-25T03:18:08.393120+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.124,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 710,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16827,
          "cache_write_tokens": 9548,
          "cost_amount": 0.12401954999999999
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782359465975-4695d43f0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359465975-4695d43f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:51:05.975961+00:00",
      "updated_at": "2026-06-25T03:51:05.975961+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "heap",
          "memory"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0485,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14202,
          "output_tokens": 3087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55749,
          "cache_write_tokens": 13305,
          "cost_amount": 0.88044435
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "title": "Lark O11Y-2598422",
      "url": "https://investibook.com/workspace/lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T19:39:13.372880+00:00",
      "updated_at": "2026-06-24T19:39:13.372880+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "restart",
          "异常",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0409,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 11143,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 60420,
          "cost_amount": 0.6251848500000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782366256212-a596bda22",
      "title": "O11Y-2598864",
      "url": "https://investibook.com/workspace/ws-1782366256212-a596bda22",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:44:16.212976+00:00",
      "updated_at": "2026-06-25T05:44:19.522143+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0291,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 8304,
          "output_tokens": 437,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 77679,
          "cost_amount": 1.7675093999999996
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782374951127-d2ce3dfeb",
      "title": "O11Y-2599010",
      "url": "https://investibook.com/workspace/ws-1782374951127-d2ce3dfeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T08:09:11.127285+00:00",
      "updated_at": "2026-06-25T08:09:19.681753+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.029,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 8302,
          "output_tokens": 1697,
          "reasoning_tokens": 0,
          "cache_read_tokens": 101133,
          "cache_write_tokens": 911,
          "cost_amount": 1.8399033000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782397079466-16606f7b7",
      "title": "propertyme update config",
      "url": "https://investibook.com/workspace/ws-1782397079466-16606f7b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T14:17:59.466589+00:00",
      "updated_at": "2026-06-25T14:18:10.817647+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "pd"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0259,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 5648,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32664,
          "cache_write_tokens": 979,
          "cost_amount": 0.28613835000000004
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T06:06:00.454961+00:00",
      "updated_at": "2026-06-25T06:06:00.454961+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "内存"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0259,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6203,
          "output_tokens": 3196,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55765,
          "cache_write_tokens": 1949,
          "cost_amount": 0.8439750000000003
        },
        "message_categories": {
          "诊断启动": 3
        }
      }
    },
    {
      "workspace_id": "ws-1782360757475-0294b1ac9",
      "title": "O11Y-2598785",
      "url": "https://investibook.com/workspace/ws-1782360757475-0294b1ac9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:12:37.475795+00:00",
      "updated_at": "2026-06-25T04:12:41.404279+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0167,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4473,
          "output_tokens": 1667,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68513,
          "cache_write_tokens": 4669,
          "cost_amount": 0.6496275
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782351660225-bb37d6c53",
      "title": "UE Cassandra Report 10658480506726873193",
      "url": "https://investibook.com/workspace/ws-1782351660225-bb37d6c53",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:41:00.225954+00:00",
      "updated_at": "2026-06-25T01:41:12.823481+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "index",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "compaction",
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "disk",
          "duration",
          "index",
          "io",
          "query",
          "ru",
          "slow query",
          "sql",
          "tikv",
          "unified read pool"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0145,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2828,
          "output_tokens": 606,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77829,
          "cache_write_tokens": 3340,
          "cost_amount": 0.9943264500000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782381769648-485481770",
      "title": "Cluster 10511800512400660539",
      "url": "https://investibook.com/workspace/ws-1782381769648-485481770",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T10:02:49.648457+00:00",
      "updated_at": "2026-06-25T10:02:49.648457+00:00",
      "user_email": "cuiyiding@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "热点"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0142,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4070,
          "output_tokens": 1087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86481,
          "cache_write_tokens": 1171,
          "cost_amount": 2.2379032499999996
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782356821556-623c9a41f",
      "title": "26/06/25 stackadabp byoc RC 超限",
      "url": "https://investibook.com/workspace/ws-1782356821556-623c9a41f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:07:01.556490+00:00",
      "updated_at": "2026-06-25T03:07:40.648614+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0033,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1094,
          "output_tokens": 1302,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45959,
          "cache_write_tokens": 333,
          "cost_amount": 0.37414650000000005
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782343643353-aa630496f",
      "title": "O11Y-2598541 TiKV very low space investigation",
      "url": "https://investibook.com/workspace/ws-1782343643353-aa630496f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T23:27:23.353452+00:00",
      "updated_at": "2026-06-24T23:27:23.353452+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0015,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 508,
          "output_tokens": 2090,
          "reasoning_tokens": 0,
          "cache_read_tokens": 52238,
          "cache_write_tokens": 1869,
          "cost_amount": 0.42040634999999993
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782359428621-155ef7111",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359428621-155ef7111",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:50:28.621990+00:00",
      "updated_at": "2026-06-25T03:50:28.621990+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 1,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {},
        "message_categories": {}
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.8384,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782264549445-89c5fcecf",
      "title": "分析一下 https://tidb.atlassian.net/browse/GTOC-8537",
      "url": "https://investibook.com/workspace/ws-1782264549445-89c5fcecf",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T01:29:09.445207+00:00",
      "updated_at": "2026-06-24T01:30:39.951098+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 5,
          "matched_terms": [
            "not_leader",
            "peer",
            "region",
            "store:",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 4,
          "matched_terms": [
            "br",
            "恢复"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "evict",
            "leader",
            "pd",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "scan"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "evict",
          "index",
          "leader",
          "not_leader",
          "pd",
          "peer",
          "qps",
          "region",
          "ru",
          "scan",
          "store:",
          "tikv",
          "tso",
          "恢复"
        ],
        "message_count_used": 32,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.2867,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 0,
          "output_tokens": 2459,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 114357,
          "cost_amount": 3.2867404500000035
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782266830110-6bffe30ed",
      "title": "26/06/25 DigiPlus RC 巡检问题",
      "url": "https://investibook.com/workspace/ws-1782266830110-6bffe30ed",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T02:07:10.110268+00:00",
      "updated_at": "2026-07-04T03:17:59.942879+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "plan",
          "query",
          "sql",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.3041,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 22543,
          "output_tokens": 599,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93693,
          "cost_amount": 1.38070155
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1778561397864-af8e050e7",
      "title": "TCID-12638 Mercari Timeout issue",
      "url": "https://investibook.com/workspace/ws-1778561397864-af8e050e7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-05-12T04:49:57.864178+00:00",
      "updated_at": "2026-06-24T23:03:56.500762+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2122,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 235,
          "reasoning_tokens": 0,
          "cache_read_tokens": 141189,
          "cache_write_tokens": 0,
          "cost_amount": 1.2121811999999998
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8612,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 31,
          "reasoning_tokens": 0,
          "cache_read_tokens": 5463,
          "cache_write_tokens": 0,
          "cost_amount": 0.8612110499999996
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6253,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782093604300-9cae58dee",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782093604300-9cae58dee",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-22T02:00:04.300120+00:00",
      "updated_at": "2026-06-22T02:00:04.300120+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "row based storage",
          "storage size",
          "tikv used storage",
          "used storage",
          "基本信息",
          "指标",
          "每天",
          "每日",
          "统计"
        ],
        "message_count_used": 13,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6113,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 3664,
          "output_tokens": 156,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82798,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245944499999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782399413044-29d83daec",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782399413044-29d83daec",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4878,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 640,
          "reasoning_tokens": 0,
          "cache_read_tokens": 46472,
          "cache_write_tokens": 5825,
          "cost_amount": 0.48779355
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1782334352408-0f9455bd2",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782334352408-0f9455bd2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4167,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 939,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36841,
          "cache_write_tokens": 7376,
          "cost_amount": 0.4167297000000001
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1782366587926-6e1b3f50e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782366587926-6e1b3f50e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2909,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 195,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24539,
          "cache_write_tokens": 437,
          "cost_amount": 0.29092334999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:29:07.057470+00:00",
      "updated_at": "2026-06-23T22:29:07.057470+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2863,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6379,
          "output_tokens": 737,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3688,
          "cache_write_tokens": 7034,
          "cost_amount": 0.3081008999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.194,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1005,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782266830110-6bffe30ed",
      "title": "26/06/25 DigiPlus RC 巡检问题",
      "url": "https://investibook.com/workspace/ws-1782266830110-6bffe30ed",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T02:07:10.110268+00:00",
      "updated_at": "2026-07-04T03:17:59.942879+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "plan",
          "query",
          "sql",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0766,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 22543,
          "output_tokens": 599,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93693,
          "cost_amount": 1.38070155
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782238048644-6978b873d",
      "title": "TiDBP999LatencySurgeNextGen-10666338859980042288",
      "url": "https://investibook.com/workspace/ws-1782238048644-6978b873d",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T18:07:28.644387+00:00",
      "updated_at": "2026-06-23T18:31:38.701011+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "scan",
            "慢查询"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 2,
          "matched_terms": [
            "report",
            "weekly report"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "latency",
          "p99",
          "p999",
          "ru"
        ],
        "message_count_used": 8,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0281,
        "message_count": 3,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 8283,
          "output_tokens": 217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.028104
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:29:07.057470+00:00",
      "updated_at": "2026-06-23T22:29:07.057470+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0218,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6379,
          "output_tokens": 737,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3688,
          "cache_write_tokens": 7034,
          "cost_amount": 0.3081008999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0185,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782253671060-5cec7a02b",
      "title": "O11Y-2597287-TiDBP999LatencySurgeNextGen",
      "url": "https://investibook.com/workspace/ws-1782253671060-5cec7a02b",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:27:51.060856+00:00",
      "updated_at": "2026-06-23T22:52:20.013203+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 2,
          "matched_terms": [
            "report",
            "weekly report"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "latency",
          "p99",
          "p999",
          "ru"
        ],
        "message_count_used": 10,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0174,
        "message_count": 3,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 4694,
          "output_tokens": 221,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.017397
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782093604300-9cae58dee",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782093604300-9cae58dee",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-22T02:00:04.300120+00:00",
      "updated_at": "2026-06-22T02:00:04.300120+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "row based storage",
          "storage size",
          "tikv used storage",
          "used storage",
          "基本信息",
          "指标",
          "每天",
          "每日",
          "统计"
        ],
        "message_count_used": 13,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0133,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 3664,
          "output_tokens": 156,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82798,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245944499999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0093,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.8384,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782264549445-89c5fcecf",
      "title": "分析一下 https://tidb.atlassian.net/browse/GTOC-8537",
      "url": "https://investibook.com/workspace/ws-1782264549445-89c5fcecf",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T01:29:09.445207+00:00",
      "updated_at": "2026-06-24T01:30:39.951098+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 5,
          "matched_terms": [
            "not_leader",
            "peer",
            "region",
            "store:",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 4,
          "matched_terms": [
            "br",
            "恢复"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "evict",
            "leader",
            "pd",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "scan"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "evict",
          "index",
          "leader",
          "not_leader",
          "pd",
          "peer",
          "qps",
          "region",
          "ru",
          "scan",
          "store:",
          "tikv",
          "tso",
          "恢复"
        ],
        "message_count_used": 32,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.2867,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 0,
          "output_tokens": 2459,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 114357,
          "cost_amount": 3.2867404500000035
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782381769648-485481770",
      "title": "Cluster 10511800512400660539",
      "url": "https://investibook.com/workspace/ws-1782381769648-485481770",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T10:02:49.648457+00:00",
      "updated_at": "2026-06-25T10:02:49.648457+00:00",
      "user_email": "cuiyiding@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "热点"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2237,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4070,
          "output_tokens": 1087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86481,
          "cache_write_tokens": 1171,
          "cost_amount": 2.2379032499999996
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782374951127-d2ce3dfeb",
      "title": "O11Y-2599010",
      "url": "https://investibook.com/workspace/ws-1782374951127-d2ce3dfeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T08:09:11.127285+00:00",
      "updated_at": "2026-06-25T08:09:19.681753+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8109,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 8302,
          "output_tokens": 1697,
          "reasoning_tokens": 0,
          "cache_read_tokens": 101133,
          "cache_write_tokens": 911,
          "cost_amount": 1.8399033000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782366256212-a596bda22",
      "title": "O11Y-2598864",
      "url": "https://investibook.com/workspace/ws-1782366256212-a596bda22",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:44:16.212976+00:00",
      "updated_at": "2026-06-25T05:44:19.522143+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.7384,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 8304,
          "output_tokens": 437,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 77679,
          "cost_amount": 1.7675093999999996
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782364875823-017c83fc2",
      "title": "Analysis",
      "url": "https://investibook.com/workspace/ws-1782364875823-017c83fc2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:21:15.823277+00:00",
      "updated_at": "2026-06-25T05:21:33.769363+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "cdc_or_replication_lag": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 5,
          "matched_terms": [
            "index",
            "plan",
            "query",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cdc_or_replication_lag",
          "score": 5,
          "matched_terms": [
            "cdc",
            "changefeed",
            "lag",
            "replication",
            "ticdc"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso",
            "调度"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 3,
          "matched_terms": [
            "bug",
            "crash",
            "restart"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cdc",
          "changefeed",
          "cpu",
          "crash",
          "duration",
          "index",
          "lag",
          "pd",
          "plan",
          "query",
          "quota",
          "replication",
          "restart",
          "ru",
          "scan"
        ],
        "message_count_used": 27,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4956,
        "message_count": 30,
        "user_message_count": 15,
        "assistant_message_count": 15,
        "token_usage": {
          "interaction_records": 15,
          "input_tokens": 10,
          "output_tokens": 554,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 56143,
          "cost_amount": 1.49564325
        },
        "message_categories": {
          "查询纠偏": 2,
          "Ad hoc 查询": 7,
          "诊断启动": 2,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782266830110-6bffe30ed",
      "title": "26/06/25 DigiPlus RC 巡检问题",
      "url": "https://investibook.com/workspace/ws-1782266830110-6bffe30ed",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T02:07:10.110268+00:00",
      "updated_at": "2026-07-04T03:17:59.942879+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "plan",
          "query",
          "sql",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.3041,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 22543,
          "output_tokens": 599,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93693,
          "cost_amount": 1.38070155
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1778561397864-af8e050e7",
      "title": "TCID-12638 Mercari Timeout issue",
      "url": "https://investibook.com/workspace/ws-1778561397864-af8e050e7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-05-12T04:49:57.864178+00:00",
      "updated_at": "2026-06-24T23:03:56.500762+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2122,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 235,
          "reasoning_tokens": 0,
          "cache_read_tokens": 141189,
          "cache_write_tokens": 0,
          "cost_amount": 1.2121811999999998
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782351660225-bb37d6c53",
      "title": "UE Cassandra Report 10658480506726873193",
      "url": "https://investibook.com/workspace/ws-1782351660225-bb37d6c53",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:41:00.225954+00:00",
      "updated_at": "2026-06-25T01:41:12.823481+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "index",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "compaction",
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "disk",
          "duration",
          "index",
          "io",
          "query",
          "ru",
          "slow query",
          "sql",
          "tikv",
          "unified read pool"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9798,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2828,
          "output_tokens": 606,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77829,
          "cache_write_tokens": 3340,
          "cost_amount": 0.9943264500000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8612,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 31,
          "reasoning_tokens": 0,
          "cache_read_tokens": 5463,
          "cache_write_tokens": 0,
          "cost_amount": 0.8612110499999996
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782359465975-4695d43f0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359465975-4695d43f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:51:05.975961+00:00",
      "updated_at": "2026-06-25T03:51:05.975961+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "heap",
          "memory"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.832,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14202,
          "output_tokens": 3087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55749,
          "cache_write_tokens": 13305,
          "cost_amount": 0.88044435
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T06:06:00.454961+00:00",
      "updated_at": "2026-06-25T06:06:00.454961+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "内存"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8181,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6203,
          "output_tokens": 3196,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55765,
          "cache_write_tokens": 1949,
          "cost_amount": 0.8439750000000003
        },
        "message_categories": {
          "诊断启动": 3
        }
      }
    },
    {
      "workspace_id": "ws-1782360757475-0294b1ac9",
      "title": "O11Y-2598785",
      "url": "https://investibook.com/workspace/ws-1782360757475-0294b1ac9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:12:37.475795+00:00",
      "updated_at": "2026-06-25T04:12:41.404279+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6329,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4473,
          "output_tokens": 1667,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68513,
          "cache_write_tokens": 4669,
          "cost_amount": 0.6496275
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6253,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782093604300-9cae58dee",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782093604300-9cae58dee",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-22T02:00:04.300120+00:00",
      "updated_at": "2026-06-22T02:00:04.300120+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "row based storage",
          "storage size",
          "tikv used storage",
          "used storage",
          "基本信息",
          "指标",
          "每天",
          "每日",
          "统计"
        ],
        "message_count_used": 13,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6113,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 3664,
          "output_tokens": 156,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82798,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245944499999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "title": "Lark O11Y-2598422",
      "url": "https://investibook.com/workspace/lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T19:39:13.372880+00:00",
      "updated_at": "2026-06-24T19:39:13.372880+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "restart",
          "异常",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5843,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 11143,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 60420,
          "cost_amount": 0.6251848500000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782399413044-29d83daec",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782399413044-29d83daec",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4878,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 640,
          "reasoning_tokens": 0,
          "cache_read_tokens": 46472,
          "cache_write_tokens": 5825,
          "cost_amount": 0.48779355
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1782360077070-a09907948",
      "title": "Cluster 2034353583595458560",
      "url": "https://investibook.com/workspace/ws-1782360077070-a09907948",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:01:17.070777+00:00",
      "updated_at": "2026-06-25T04:01:17.070777+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4812,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 780,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38007,
          "cache_write_tokens": 735,
          "cost_amount": 0.48117390000000004
        },
        "message_categories": {
          "流程控制/确认": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782359616095-a5875b7be",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1782359616095-a5875b7be",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:53:36.095243+00:00",
      "updated_at": "2026-06-25T03:53:36.095243+00:00",
      "user_email": "qiaoxinke@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4347,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 507,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36036,
          "cache_write_tokens": 829,
          "cost_amount": 0.43471170000000003
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782343643353-aa630496f",
      "title": "O11Y-2598541 TiKV very low space investigation",
      "url": "https://investibook.com/workspace/ws-1782343643353-aa630496f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T23:27:23.353452+00:00",
      "updated_at": "2026-06-24T23:27:23.353452+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4189,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 508,
          "output_tokens": 2090,
          "reasoning_tokens": 0,
          "cache_read_tokens": 52238,
          "cache_write_tokens": 1869,
          "cost_amount": 0.42040634999999993
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782334352408-0f9455bd2",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782334352408-0f9455bd2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4167,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 939,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36841,
          "cache_write_tokens": 7376,
          "cost_amount": 0.4167297000000001
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1782356821556-623c9a41f",
      "title": "26/06/25 stackadabp byoc RC 超限",
      "url": "https://investibook.com/workspace/ws-1782356821556-623c9a41f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:07:01.556490+00:00",
      "updated_at": "2026-06-25T03:07:40.648614+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3709,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1094,
          "output_tokens": 1302,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45959,
          "cache_write_tokens": 333,
          "cost_amount": 0.37414650000000005
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782366587926-6e1b3f50e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1782366587926-6e1b3f50e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2909,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 195,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24539,
          "cache_write_tokens": 437,
          "cost_amount": 0.29092334999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:29:07.057470+00:00",
      "updated_at": "2026-06-23T22:29:07.057470+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2863,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6379,
          "output_tokens": 737,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3688,
          "cache_write_tokens": 7034,
          "cost_amount": 0.3081008999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782397079466-16606f7b7",
      "title": "propertyme update config",
      "url": "https://investibook.com/workspace/ws-1782397079466-16606f7b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T14:17:59.466589+00:00",
      "updated_at": "2026-06-25T14:18:10.817647+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "pd"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2602,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 5648,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32664,
          "cache_write_tokens": 979,
          "cost_amount": 0.28613835000000004
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.194,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-674ed0e2-6ed4-4553-a5a8-82ee382956fb",
      "title": "Lark APID-29108",
      "url": "https://investibook.com/workspace/lark-ws-674ed0e2-6ed4-4553-a5a8-82ee382956fb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T07:05:26.023027+00:00",
      "updated_at": "2026-06-25T07:05:26.023027+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1579,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1016,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19506,
          "cache_write_tokens": 14734,
          "cost_amount": 0.1579311
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1cb23480-52d6-4005-9ac3-4f3b66ad952d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1cb23480-52d6-4005-9ac3-4f3b66ad952d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:35:48.611685+00:00",
      "updated_at": "2026-06-25T01:35:48.611685+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1311,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 3350,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 21550,
          "cost_amount": 0.1310925
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782357445438-6b3e440a7",
      "title": "TCID-12832 Aiming TiDB Cloud の操作履歴",
      "url": "https://investibook.com/workspace/ws-1782357445438-6b3e440a7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:17:25.438462+00:00",
      "updated_at": "2026-06-25T03:18:08.393120+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.124,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 710,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16827,
          "cache_write_tokens": 9548,
          "cost_amount": 0.12401954999999999
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782200348376-633fc7217",
      "title": "TCID-12752 BNE",
      "url": "https://investibook.com/workspace/ws-1782200348376-633fc7217",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T07:39:08.376666+00:00",
      "updated_at": "2026-06-25T03:16:19.138800+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "memory_or_oom_pressure": 1,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "plan",
            "query",
            "scan",
            "sql",
            "topsql",
            "total keys"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 4,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "メモリ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "不具合"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "cpu",
          "disk",
          "duration",
          "heap",
          "io",
          "memory",
          "oom",
          "plan",
          "qps",
          "query",
          "ru",
          "scan",
          "sql",
          "topsql",
          "total keys"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1005,
        "message_count": 17,
        "user_message_count": 9,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 62525,
          "output_tokens": 7123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25545,
          "cache_write_tokens": 0,
          "cost_amount": 4.132813949999998
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782266830110-6bffe30ed",
      "title": "26/06/25 DigiPlus RC 巡检问题",
      "url": "https://investibook.com/workspace/ws-1782266830110-6bffe30ed",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T02:07:10.110268+00:00",
      "updated_at": "2026-07-04T03:17:59.942879+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "plan",
          "query",
          "sql",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0766,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 22543,
          "output_tokens": 599,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93693,
          "cost_amount": 1.38070155
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782359465975-4695d43f0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359465975-4695d43f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:51:05.975961+00:00",
      "updated_at": "2026-06-25T03:51:05.975961+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "heap",
          "memory"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0485,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14202,
          "output_tokens": 3087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55749,
          "cache_write_tokens": 13305,
          "cost_amount": 0.88044435
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "title": "Lark O11Y-2598422",
      "url": "https://investibook.com/workspace/lark-ws-871c2eee-9b31-42f0-848e-54b8e62982ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T19:39:13.372880+00:00",
      "updated_at": "2026-06-24T19:39:13.372880+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "restart",
          "异常",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0409,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 11143,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 60420,
          "cost_amount": 0.6251848500000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782366256212-a596bda22",
      "title": "O11Y-2598864",
      "url": "https://investibook.com/workspace/ws-1782366256212-a596bda22",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T05:44:16.212976+00:00",
      "updated_at": "2026-06-25T05:44:19.522143+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0291,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 8304,
          "output_tokens": 437,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 77679,
          "cost_amount": 1.7675093999999996
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782374951127-d2ce3dfeb",
      "title": "O11Y-2599010",
      "url": "https://investibook.com/workspace/ws-1782374951127-d2ce3dfeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T08:09:11.127285+00:00",
      "updated_at": "2026-06-25T08:09:19.681753+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.029,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 8302,
          "output_tokens": 1697,
          "reasoning_tokens": 0,
          "cache_read_tokens": 101133,
          "cache_write_tokens": 911,
          "cost_amount": 1.8399033000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782238048644-6978b873d",
      "title": "TiDBP999LatencySurgeNextGen-10666338859980042288",
      "url": "https://investibook.com/workspace/ws-1782238048644-6978b873d",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T18:07:28.644387+00:00",
      "updated_at": "2026-06-23T18:31:38.701011+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "scan",
            "慢查询"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 2,
          "matched_terms": [
            "report",
            "weekly report"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "latency",
          "p99",
          "p999",
          "ru"
        ],
        "message_count_used": 8,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0281,
        "message_count": 3,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 8283,
          "output_tokens": 217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.028104
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782397079466-16606f7b7",
      "title": "propertyme update config",
      "url": "https://investibook.com/workspace/ws-1782397079466-16606f7b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T14:17:59.466589+00:00",
      "updated_at": "2026-06-25T14:18:10.817647+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "pd"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0259,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 5648,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32664,
          "cache_write_tokens": 979,
          "cost_amount": 0.28613835000000004
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a7be85fc-5979-4890-ab08-692fb5441a43",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T06:06:00.454961+00:00",
      "updated_at": "2026-06-25T06:06:00.454961+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "内存"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0259,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6203,
          "output_tokens": 3196,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55765,
          "cache_write_tokens": 1949,
          "cost_amount": 0.8439750000000003
        },
        "message_categories": {
          "诊断启动": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e2af990b-c84c-4650-8da5-a86c0dc988ef",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:29:07.057470+00:00",
      "updated_at": "2026-06-23T22:29:07.057470+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0218,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6379,
          "output_tokens": 737,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3688,
          "cache_write_tokens": 7034,
          "cost_amount": 0.3081008999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0185,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782253671060-5cec7a02b",
      "title": "O11Y-2597287-TiDBP999LatencySurgeNextGen",
      "url": "https://investibook.com/workspace/ws-1782253671060-5cec7a02b",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-23T22:27:51.060856+00:00",
      "updated_at": "2026-06-23T22:52:20.013203+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 2,
          "matched_terms": [
            "report",
            "weekly report"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "latency",
          "p99",
          "p999",
          "ru"
        ],
        "message_count_used": 10,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0174,
        "message_count": 3,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 4694,
          "output_tokens": 221,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.017397
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782360757475-0294b1ac9",
      "title": "O11Y-2598785",
      "url": "https://investibook.com/workspace/ws-1782360757475-0294b1ac9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T04:12:37.475795+00:00",
      "updated_at": "2026-06-25T04:12:41.404279+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0167,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4473,
          "output_tokens": 1667,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68513,
          "cache_write_tokens": 4669,
          "cost_amount": 0.6496275
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782351660225-bb37d6c53",
      "title": "UE Cassandra Report 10658480506726873193",
      "url": "https://investibook.com/workspace/ws-1782351660225-bb37d6c53",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T01:41:00.225954+00:00",
      "updated_at": "2026-06-25T01:41:12.823481+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "index",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "compaction",
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "disk",
          "duration",
          "index",
          "io",
          "query",
          "ru",
          "slow query",
          "sql",
          "tikv",
          "unified read pool"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0145,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2828,
          "output_tokens": 606,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77829,
          "cache_write_tokens": 3340,
          "cost_amount": 0.9943264500000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782381769648-485481770",
      "title": "Cluster 10511800512400660539",
      "url": "https://investibook.com/workspace/ws-1782381769648-485481770",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T10:02:49.648457+00:00",
      "updated_at": "2026-06-25T10:02:49.648457+00:00",
      "user_email": "cuiyiding@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "热点"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0142,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4070,
          "output_tokens": 1087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86481,
          "cache_write_tokens": 1171,
          "cost_amount": 2.2379032499999996
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782093604300-9cae58dee",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782093604300-9cae58dee",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-22T02:00:04.300120+00:00",
      "updated_at": "2026-06-22T02:00:04.300120+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "qps",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "row based storage",
          "storage size",
          "tikv used storage",
          "used storage",
          "基本信息",
          "指标",
          "每天",
          "每日",
          "统计"
        ],
        "message_count_used": 13,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0133,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 3664,
          "output_tokens": 156,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82798,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245944499999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782314329822-a2ffe2f61",
      "title": "https://tidb.atlassian.net/browse/O11Y-2593057",
      "url": "https://investibook.com/workspace/ws-1782314329822-a2ffe2f61",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-24T15:18:49.822370+00:00",
      "updated_at": "2026-06-24T15:18:54.759605+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0093,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 3226,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 76678,
          "cost_amount": 0.6529935
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782356821556-623c9a41f",
      "title": "26/06/25 stackadabp byoc RC 超限",
      "url": "https://investibook.com/workspace/ws-1782356821556-623c9a41f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:07:01.556490+00:00",
      "updated_at": "2026-06-25T03:07:40.648614+00:00",
      "user_email": "yuhao.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0033,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1094,
          "output_tokens": 1302,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45959,
          "cache_write_tokens": 333,
          "cost_amount": 0.37414650000000005
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1782343643353-aa630496f",
      "title": "O11Y-2598541 TiKV very low space investigation",
      "url": "https://investibook.com/workspace/ws-1782343643353-aa630496f",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-24T23:27:23.353452+00:00",
      "updated_at": "2026-06-24T23:27:23.353452+00:00",
      "user_email": "jianghuaxi@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0015,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 508,
          "output_tokens": 2090,
          "reasoning_tokens": 0,
          "cache_read_tokens": 52238,
          "cache_write_tokens": 1869,
          "cost_amount": 0.42040634999999993
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782359428621-155ef7111",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782359428621-155ef7111",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-25T03:50:28.621990+00:00",
      "updated_at": "2026-06-25T03:50:28.621990+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 1,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {},
        "message_categories": {}
      }
    }
  ]
}