{
  "date": "2026-08-13",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-13T00:00:00+08:00",
  "window_end": "2026-08-14T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 29,
    "updated_existing_workspace_count": 10,
    "changed_workspace_count": 39
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1786580613167-08b71831e",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786580613167-08b71831e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T00:23:33.167036+00:00",
      "updated_at": "2026-08-13T00:23:33.167036+00:00",
      "user_email": "bear.c@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 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": 4,
          "matched_terms": [
            "io",
            "iops",
            "存储",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "事务"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "p99",
          "qps",
          "region",
          "ru",
          "tikv",
          "事务",
          "存储",
          "热点",
          "磁盘"
        ],
        "message_count_used": 37,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 14.0984,
        "message_count": 72,
        "user_message_count": 36,
        "assistant_message_count": 35,
        "token_usage": {
          "interaction_records": 39,
          "input_tokens": 7503,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75581,
          "cache_write_tokens": 2183,
          "cost_amount": 14.186692050000007
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 11,
          "诊断启动": 10,
          "解释追问": 3,
          "流程控制/确认": 5,
          "背景补充": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786586434079-a14829983",
      "title": "Cluster 2064931393531547648",
      "url": "https://investibook.com/workspace/ws-1786586434079-a14829983",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:00:34.079667+00:00",
      "updated_at": "2026-08-13T02:00:34.079667+00:00",
      "user_email": "tongzhigao@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": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "crashloop",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.4263,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 239,
          "reasoning_tokens": 0,
          "cache_read_tokens": 157276,
          "cache_write_tokens": 484,
          "cost_amount": 5.426349299999999
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 3,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786592550612-95d82d4bc",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786592550612-95d82d4bc",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T03:42:30.612965+00:00",
      "updated_at": "2026-08-13T03:42:30.612965+00:00",
      "user_email": "wen.hu@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,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 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": 2,
          "matched_terms": [
            "digest",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "scheduler"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "disk",
          "duration",
          "io",
          "operator",
          "ru",
          "scheduler",
          "sql"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.536,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 8097,
          "reasoning_tokens": 0,
          "cache_read_tokens": 105585,
          "cache_write_tokens": 32113,
          "cost_amount": 3.536026200000001
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786610283378-f363fd9c1",
      "title": "Cluster 10664582638247779624",
      "url": "https://investibook.com/workspace/ws-1786610283378-f363fd9c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:38:03.378320+00:00",
      "updated_at": "2026-08-13T08:38:03.378320+00:00",
      "user_email": "jiacong.lee@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "plan"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2941,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1162,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93230,
          "cost_amount": 2.2941210000000005
        },
        "message_categories": {
          "诊断启动": 1,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786587578611-79f956b73",
      "title": "https://tidb.atlassian.net/browse/O11Y-2636724",
      "url": "https://investibook.com/workspace/ws-1786587578611-79f956b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:19:38.612001+00:00",
      "updated_at": "2026-08-13T02:19:44.708698+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_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2142,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 1247,
          "reasoning_tokens": 0,
          "cache_read_tokens": 140610,
          "cache_write_tokens": 2958,
          "cost_amount": 2.2142334
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786619815095-93eaf2683",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637521",
      "url": "https://investibook.com/workspace/ws-1786619815095-93eaf2683",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T11:16:55.095561+00:00",
      "updated_at": "2026-08-13T11:18:34.796639+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_group": "non_diagnosis",
          "scenario_category": "skill_or_workflow_setup",
          "score": 2,
          "matched_terms": [
            "skill",
            "skills"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.0611,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2176,
          "reasoning_tokens": 0,
          "cache_read_tokens": 111675,
          "cache_write_tokens": 245,
          "cost_amount": 2.0610757500000005
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786632349458-bb2bb7afe",
      "title": "O11Y-2637626 alert storm investigation",
      "url": "https://investibook.com/workspace/ws-1786632349458-bb2bb7afe",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T14:45:49.458666+00:00",
      "updated_at": "2026-08-13T14:45:49.458666+00:00",
      "user_email": "charles.m@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "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": 1.9719,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2433,
          "reasoning_tokens": 0,
          "cache_read_tokens": 134847,
          "cache_write_tokens": 357,
          "cost_amount": 1.9718613
        },
        "message_categories": {
          "Ad hoc 查询": 4
        }
      }
    },
    {
      "workspace_id": "ws-1786591338701-9a24c6150",
      "title": "TCID-12985",
      "url": "https://investibook.com/workspace/ws-1786591338701-9a24c6150",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T03:22:18.701665+00:00",
      "updated_at": "2026-08-13T03:22:27.062659+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "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": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4305,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 1187,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98489,
          "cache_write_tokens": 1677,
          "cost_amount": 1.4304577499999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-476567e6-1753-46be-ae21-5ac4c698fab2",
      "title": "Lark O11Y-2636724",
      "url": "https://investibook.com/workspace/lark-ws-476567e6-1753-46be-ae21-5ac4c698fab2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:06:10.486369+00:00",
      "updated_at": "2026-08-13T02:06:10.486369+00:00",
      "user_email": "wangkang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2489,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 221534,
          "output_tokens": 5648,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 1.2488700000000001
        },
        "message_categories": {
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786608124513-e479fe79a",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786608124513-e479fe79a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:02:04.513741+00:00",
      "updated_at": "2026-08-13T08:02:04.513741+00:00",
      "user_email": "wen.hu@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 3,
          "matched_terms": [
            "import",
            "import into",
            "导入"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "执行计划"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1667,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 2368,
          "reasoning_tokens": 0,
          "cache_read_tokens": 65878,
          "cache_write_tokens": 1197,
          "cost_amount": 1.16672295
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-13d4393c-2450-4c40-80d1-235bd3fdb456",
      "title": "Lark O11Y-2636621",
      "url": "https://investibook.com/workspace/lark-ws-13d4393c-2450-4c40-80d1-235bd3fdb456",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T17:15:12.429606+00:00",
      "updated_at": "2026-08-12T17:15:12.429606+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0504,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2,
          "reasoning_tokens": 0,
          "cache_read_tokens": 116353,
          "cache_write_tokens": 1381,
          "cost_amount": 1.0503672
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786586523370-16915ac48",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2633786",
      "url": "https://investibook.com/workspace/ws-1786586523370-16915ac48",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:02:03.370050+00:00",
      "updated_at": "2026-08-13T02:07:18.345932+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9898,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1768,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90733,
          "cache_write_tokens": 160,
          "cost_amount": 0.98984475
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-7f536c74-910d-4362-a5eb-45fc65518053",
      "title": "Lark O11Y-2636724",
      "url": "https://investibook.com/workspace/lark-ws-7f536c74-910d-4362-a5eb-45fc65518053",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T18:06:25.115976+00:00",
      "updated_at": "2026-08-12T18:06:25.115976+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8653,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1067,
          "reasoning_tokens": 0,
          "cache_read_tokens": 100107,
          "cache_write_tokens": 364,
          "cost_amount": 0.8653354500000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786608859710-bf95cad71",
      "title": "分析一下 https://tidb.atlassian.net/browse/TCOC-5797",
      "url": "https://investibook.com/workspace/ws-1786608859710-bf95cad71",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:14:19.710486+00:00",
      "updated_at": "2026-08-13T08:15:23.884171+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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "storage size",
            "used storage"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7135,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 2484,
          "output_tokens": 10673,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 43721,
          "cost_amount": 0.74623935
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-95f6735e-d600-4633-ab98-2553280be3b7",
      "title": "Lark O11Y-2636781",
      "url": "https://investibook.com/workspace/lark-ws-95f6735e-d600-4633-ab98-2553280be3b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T18:48:13.398821+00:00",
      "updated_at": "2026-08-12T18:48:13.398821+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6529,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1060,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64487,
          "cache_write_tokens": 158,
          "cost_amount": 0.6528994499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ef7336c7-07c6-4e31-bdde-38af3233a928",
      "title": "Lark O11Y-2637425",
      "url": "https://investibook.com/workspace/lark-ws-ef7336c7-07c6-4e31-bdde-38af3233a928",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:50:56.610874+00:00",
      "updated_at": "2026-08-13T08:50:56.610874+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": "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": 0.5568,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 952,
          "reasoning_tokens": 0,
          "cache_read_tokens": 61232,
          "cache_write_tokens": 313,
          "cost_amount": 0.5568265499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786593999968-e5f7b3eee",
      "title": "gumi TiKVスケールダウン arrow-production-default-dedicated",
      "url": "https://investibook.com/workspace/ws-1786593999968-e5f7b3eee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T04:06:39.968192+00:00",
      "updated_at": "2026-08-13T04:06:57.718134+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 1,
        "backup_or_restore": 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": 6,
          "matched_terms": [
            "peer",
            "region",
            "store:",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 5,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "snapshot",
            "バックアップ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "disk",
          "io",
          "peer",
          "region",
          "rocksdb",
          "ru",
          "scan",
          "snapshot",
          "sql",
          "store:",
          "tikv",
          "バックアップ"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.461,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68529,
          "cache_write_tokens": 2671,
          "cost_amount": 0.46104389999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-006daa8f-3210-43bb-8d8e-6f7cb429dfde",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-006daa8f-3210-43bb-8d8e-6f7cb429dfde",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:17:59.048719+00:00",
      "updated_at": "2026-08-13T01:17:59.048719+00:00",
      "user_email": "zhangxuecheng@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4193,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1131,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45639,
          "cache_write_tokens": 469,
          "cost_amount": 0.419301
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786606410282-f64553c28",
      "title": "https://tidb.atlassian.net/browse/TCAB-291",
      "url": "https://investibook.com/workspace/ws-1786606410282-f64553c28",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:33:30.282870+00:00",
      "updated_at": "2026-08-13T07:33:56.859539+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_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 3,
          "matched_terms": [
            "email",
            "メール",
            "回答"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3694,
        "message_count": 20,
        "user_message_count": 10,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 10,
          "output_tokens": 405,
          "reasoning_tokens": 0,
          "cache_read_tokens": 22504,
          "cache_write_tokens": 441,
          "cost_amount": 0.3693567
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 3,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c4702824-0523-48b3-90b4-309994a4dc3f",
      "title": "Lark APID-29341",
      "url": "https://investibook.com/workspace/lark-ws-c4702824-0523-48b3-90b4-309994a4dc3f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:00:38.973549+00:00",
      "updated_at": "2026-08-13T07:00:38.973549+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "product_usage_or_admin",
      "scenario_category_counts": {
        "product_usage_or_admin": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "feishu",
          "login"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.348,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1331,
          "reasoning_tokens": 0,
          "cache_read_tokens": 46594,
          "cache_write_tokens": 1819,
          "cost_amount": 0.34795514999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-77900bc4-ea03-4387-895f-22b4ed3c27f6",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-77900bc4-ea03-4387-895f-22b4ed3c27f6",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T09:58:11.616108+00:00",
      "updated_at": "2026-08-13T09:58:11.616108+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "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_evidence": {
        "matched_terms": [
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2973,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 841,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29313,
          "cache_write_tokens": 520,
          "cost_amount": 0.29731155
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786596629752-d06d5d5f9",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1786596629752-d06d5d5f9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T04:50:29.752471+00:00",
      "updated_at": "2026-08-13T04:50:29.752471+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 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": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br",
          "cpu",
          "region",
          "ru",
          "tikv"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2897,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 412,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55722,
          "cache_write_tokens": 513,
          "cost_amount": 0.28966845
        },
        "message_categories": {
          "产出物迭代": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786609140883-791839f8f",
      "title": "[tidb@ali-hk-prod-wallet-dba-nowallet-tidb-monitor",
      "url": "https://investibook.com/workspace/ws-1786609140883-791839f8f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:19:00.883568+00:00",
      "updated_at": "2026-08-13T08:20:07.032072+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": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed"
        ],
        "message_count_used": 9,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2826,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 1171,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 16470,
          "cost_amount": 0.28262624999999997
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786583478142-68244bf25",
      "title": "https://tidb.atlassian.net/browse/O11Y-2636697",
      "url": "https://investibook.com/workspace/ws-1786583478142-68244bf25",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:11:18.143026+00:00",
      "updated_at": "2026-08-13T01:11:21.890569+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2735,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2050,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32000,
          "cache_write_tokens": 15981,
          "cost_amount": 0.27351644999999997
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786584400498-ef1efd305",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786584400498-ef1efd305",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:26:40.498687+00:00",
      "updated_at": "2026-08-13T01:26:40.498687+00:00",
      "user_email": "xuhuaiyu@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics 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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1147,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1055,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18030,
          "cache_write_tokens": 330,
          "cost_amount": 0.1146807
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786580613167-08b71831e",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786580613167-08b71831e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T00:23:33.167036+00:00",
      "updated_at": "2026-08-13T00:23:33.167036+00:00",
      "user_email": "bear.c@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 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": 4,
          "matched_terms": [
            "io",
            "iops",
            "存储",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "事务"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "p99",
          "qps",
          "region",
          "ru",
          "tikv",
          "事务",
          "存储",
          "热点",
          "磁盘"
        ],
        "message_count_used": 37,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0883,
        "message_count": 72,
        "user_message_count": 36,
        "assistant_message_count": 35,
        "token_usage": {
          "interaction_records": 39,
          "input_tokens": 7503,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75581,
          "cache_write_tokens": 2183,
          "cost_amount": 14.186692050000007
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 11,
          "诊断启动": 10,
          "解释追问": 3,
          "流程控制/确认": 5,
          "背景补充": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-f6fda35c-7d9d-48ef-9cdb-7192c2e5232a",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-f6fda35c-7d9d-48ef-9cdb-7192c2e5232a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T09:36:51.503192+00:00",
      "updated_at": "2026-08-13T09:36:51.503192+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": "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": [
          "索引"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0818,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2131,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13276,
          "cost_amount": 0.08178
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-367c5d03-00a2-470a-9538-b1b148de77b5",
      "title": "Lark GTOC-7734",
      "url": "https://investibook.com/workspace/lark-ws-367c5d03-00a2-470a-9538-b1b148de77b5",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:24:23.903456+00:00",
      "updated_at": "2026-08-13T07:24:23.903456+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": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "lock"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0811,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 526,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13278,
          "cache_write_tokens": 1422,
          "cost_amount": 0.0811134
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786608859710-bf95cad71",
      "title": "分析一下 https://tidb.atlassian.net/browse/TCOC-5797",
      "url": "https://investibook.com/workspace/ws-1786608859710-bf95cad71",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:14:19.710486+00:00",
      "updated_at": "2026-08-13T08:15:23.884171+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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "storage size",
            "used storage"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0327,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 2484,
          "output_tokens": 10673,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 43721,
          "cost_amount": 0.74623935
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "未归类": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1785749352458-23f89cc79",
      "title": "Read and understand this critical TiKV bug report",
      "url": "https://investibook.com/workspace/ws-1785749352458-23f89cc79",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-03T09:29:12.458589+00:00",
      "updated_at": "2026-08-03T09:43:29.149055+00:00",
      "user_email": "shentaining@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,
        "component_failure_or_bug": 1,
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 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": 4,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 4,
          "matched_terms": [
            "bug",
            "restart"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io",
            "raft",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "plan",
            "query"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "io",
          "plan",
          "query",
          "raft",
          "region",
          "restart",
          "rocksdb",
          "tikv"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.7415,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1523150,
          "output_tokens": 5028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.741450000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786548961618-4712c9e09",
      "title": "Cluster 10754652599988043412",
      "url": "https://investibook.com/workspace/ws-1786548961618-4712c9e09",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T15:36:01.618159+00:00",
      "updated_at": "2026-08-12T15:36:01.618159+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": "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": "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": [
          "digest",
          "plan",
          "query",
          "slow query",
          "sql",
          "topsql"
        ],
        "message_count_used": 10,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.5892,
        "message_count": 19,
        "user_message_count": 9,
        "assistant_message_count": 9,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 1,
          "output_tokens": 242,
          "reasoning_tokens": 0,
          "cache_read_tokens": 59893,
          "cache_write_tokens": 1134,
          "cost_amount": 7.589188749999998
        },
        "message_categories": {
          "Ad hoc 查询": 8,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786528246140-ccd48b0d0",
      "title": "Mercari TCID-13028",
      "url": "https://investibook.com/workspace/ws-1786528246140-ccd48b0d0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T09:50:46.140511+00:00",
      "updated_at": "2026-08-17T09:31:12.479542+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 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": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "容量"
        ],
        "message_count_used": 90,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.4553,
        "message_count": 56,
        "user_message_count": 28,
        "assistant_message_count": 28,
        "token_usage": {
          "interaction_records": 31,
          "input_tokens": 4957,
          "output_tokens": 2298,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.50464565
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 9,
          "Ad hoc 查询": 10,
          "解释追问": 2,
          "背景补充": 1,
          "未归类": 4
        }
      }
    },
    {
      "workspace_id": "lark-ws-ae8d13d8-3099-4295-8037-115a65354091",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ae8d13d8-3099-4295-8037-115a65354091",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T03:56:17.167501+00:00",
      "updated_at": "2026-08-12T03:56:17.167501+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "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": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8073,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2012,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86048,
          "cache_write_tokens": 1007,
          "cost_amount": 1.80729675
        },
        "message_categories": {
          "产出物迭代": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786495116650-61ee530e5",
      "title": "https://tidb.atlassian.net/browse/TCID-13019とhttps",
      "url": "https://investibook.com/workspace/ws-1786495116650-61ee530e5",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T00:38:36.650853+00:00",
      "updated_at": "2026-08-12T00:39:22.957125+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,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 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": "backup_or_restore",
          "score": 4,
          "matched_terms": [
            "br",
            "恢复"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "capacity",
            "cpu",
            "ru",
            "容量"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "异常"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "bug",
          "capacity",
          "cpu",
          "io",
          "leader",
          "pd",
          "ru",
          "存储",
          "容量",
          "异常",
          "恢复"
        ],
        "message_count_used": 29,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6508,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 986,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 165517,
          "cost_amount": 0.6508349999999998
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786547325805-d7987a67a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1786547325805-d7987a67a",
      "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": 0.4661,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 0,
          "output_tokens": 148,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 10627,
          "cost_amount": 0.4661247
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1786518688429-4ab0880bc",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1786518688429-4ab0880bc",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shigeyuki.fujishima@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": 0.4627,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 9,
          "output_tokens": 3926,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 95502,
          "cost_amount": 0.46267875
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1786323267878-a7d68d524",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1786323267878-a7d68d524",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-10T00:54:27.878811+00:00",
      "updated_at": "2026-08-10T01:04:17.530015+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 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": 6,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "readpool",
            "region",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 5,
          "matched_terms": [
            "compaction",
            "io",
            "raft",
            "raftstore",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "query",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "txn"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "cpu",
          "duration",
          "io",
          "lock",
          "qps",
          "query",
          "quota",
          "raft",
          "raftstore",
          "readpool",
          "region",
          "rocksdb",
          "ru"
        ],
        "message_count_used": 45,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4467,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 117,
          "reasoning_tokens": 0,
          "cache_read_tokens": 10621,
          "cache_write_tokens": 0,
          "cost_amount": 0.44667689999999993
        },
        "message_categories": {
          "产出物迭代": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786514037960-0a691e9a3",
      "title": "Softbank アラートのクエリ",
      "url": "https://investibook.com/workspace/ws-1786514037960-0a691e9a3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T05:53:57.960737+00:00",
      "updated_at": "2026-08-12T05:54:18.904609+00:00",
      "user_email": "shigeyuki.fujishima@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "sql"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2444,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 41576,
          "cache_write_tokens": 0,
          "cost_amount": 0.24444405000000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786528246140-ccd48b0d0",
      "title": "Mercari TCID-13028",
      "url": "https://investibook.com/workspace/ws-1786528246140-ccd48b0d0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T09:50:46.140511+00:00",
      "updated_at": "2026-08-17T09:31:12.479542+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 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": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "容量"
        ],
        "message_count_used": 90,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0493,
        "message_count": 56,
        "user_message_count": 28,
        "assistant_message_count": 28,
        "token_usage": {
          "interaction_records": 31,
          "input_tokens": 4957,
          "output_tokens": 2298,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.50464565
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 9,
          "Ad hoc 查询": 10,
          "解释追问": 2,
          "背景补充": 1,
          "未归类": 4
        }
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1786580613167-08b71831e",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786580613167-08b71831e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T00:23:33.167036+00:00",
      "updated_at": "2026-08-13T00:23:33.167036+00:00",
      "user_email": "bear.c@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 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": 4,
          "matched_terms": [
            "io",
            "iops",
            "存储",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "事务"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "p99",
          "qps",
          "region",
          "ru",
          "tikv",
          "事务",
          "存储",
          "热点",
          "磁盘"
        ],
        "message_count_used": 37,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 14.0984,
        "message_count": 72,
        "user_message_count": 36,
        "assistant_message_count": 35,
        "token_usage": {
          "interaction_records": 39,
          "input_tokens": 7503,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75581,
          "cache_write_tokens": 2183,
          "cost_amount": 14.186692050000007
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 11,
          "诊断启动": 10,
          "解释追问": 3,
          "流程控制/确认": 5,
          "背景补充": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785749352458-23f89cc79",
      "title": "Read and understand this critical TiKV bug report",
      "url": "https://investibook.com/workspace/ws-1785749352458-23f89cc79",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-03T09:29:12.458589+00:00",
      "updated_at": "2026-08-03T09:43:29.149055+00:00",
      "user_email": "shentaining@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,
        "component_failure_or_bug": 1,
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 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": 4,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 4,
          "matched_terms": [
            "bug",
            "restart"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io",
            "raft",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "plan",
            "query"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "bug",
          "io",
          "plan",
          "query",
          "raft",
          "region",
          "restart",
          "rocksdb",
          "tikv"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.7415,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1523150,
          "output_tokens": 5028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.741450000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786548961618-4712c9e09",
      "title": "Cluster 10754652599988043412",
      "url": "https://investibook.com/workspace/ws-1786548961618-4712c9e09",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T15:36:01.618159+00:00",
      "updated_at": "2026-08-12T15:36:01.618159+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": "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": "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": [
          "digest",
          "plan",
          "query",
          "slow query",
          "sql",
          "topsql"
        ],
        "message_count_used": 10,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.5892,
        "message_count": 19,
        "user_message_count": 9,
        "assistant_message_count": 9,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 1,
          "output_tokens": 242,
          "reasoning_tokens": 0,
          "cache_read_tokens": 59893,
          "cache_write_tokens": 1134,
          "cost_amount": 7.589188749999998
        },
        "message_categories": {
          "Ad hoc 查询": 8,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786528246140-ccd48b0d0",
      "title": "Mercari TCID-13028",
      "url": "https://investibook.com/workspace/ws-1786528246140-ccd48b0d0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T09:50:46.140511+00:00",
      "updated_at": "2026-08-17T09:31:12.479542+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 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": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "容量"
        ],
        "message_count_used": 90,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.4553,
        "message_count": 56,
        "user_message_count": 28,
        "assistant_message_count": 28,
        "token_usage": {
          "interaction_records": 31,
          "input_tokens": 4957,
          "output_tokens": 2298,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.50464565
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 9,
          "Ad hoc 查询": 10,
          "解释追问": 2,
          "背景补充": 1,
          "未归类": 4
        }
      }
    },
    {
      "workspace_id": "ws-1786586434079-a14829983",
      "title": "Cluster 2064931393531547648",
      "url": "https://investibook.com/workspace/ws-1786586434079-a14829983",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:00:34.079667+00:00",
      "updated_at": "2026-08-13T02:00:34.079667+00:00",
      "user_email": "tongzhigao@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": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "crash",
          "crashloop",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.4263,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 239,
          "reasoning_tokens": 0,
          "cache_read_tokens": 157276,
          "cache_write_tokens": 484,
          "cost_amount": 5.426349299999999
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 3,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786592550612-95d82d4bc",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786592550612-95d82d4bc",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T03:42:30.612965+00:00",
      "updated_at": "2026-08-13T03:42:30.612965+00:00",
      "user_email": "wen.hu@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,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 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": 2,
          "matched_terms": [
            "digest",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "scheduler"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "disk",
          "duration",
          "io",
          "operator",
          "ru",
          "scheduler",
          "sql"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.536,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 8097,
          "reasoning_tokens": 0,
          "cache_read_tokens": 105585,
          "cache_write_tokens": 32113,
          "cost_amount": 3.536026200000001
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786610283378-f363fd9c1",
      "title": "Cluster 10664582638247779624",
      "url": "https://investibook.com/workspace/ws-1786610283378-f363fd9c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:38:03.378320+00:00",
      "updated_at": "2026-08-13T08:38:03.378320+00:00",
      "user_email": "jiacong.lee@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "plan"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2941,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1162,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 93230,
          "cost_amount": 2.2941210000000005
        },
        "message_categories": {
          "诊断启动": 1,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786587578611-79f956b73",
      "title": "https://tidb.atlassian.net/browse/O11Y-2636724",
      "url": "https://investibook.com/workspace/ws-1786587578611-79f956b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:19:38.612001+00:00",
      "updated_at": "2026-08-13T02:19:44.708698+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_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.2142,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 1247,
          "reasoning_tokens": 0,
          "cache_read_tokens": 140610,
          "cache_write_tokens": 2958,
          "cost_amount": 2.2142334
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786619815095-93eaf2683",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637521",
      "url": "https://investibook.com/workspace/ws-1786619815095-93eaf2683",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T11:16:55.095561+00:00",
      "updated_at": "2026-08-13T11:18:34.796639+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_group": "non_diagnosis",
          "scenario_category": "skill_or_workflow_setup",
          "score": 2,
          "matched_terms": [
            "skill",
            "skills"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.0611,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2176,
          "reasoning_tokens": 0,
          "cache_read_tokens": 111675,
          "cache_write_tokens": 245,
          "cost_amount": 2.0610757500000005
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786632349458-bb2bb7afe",
      "title": "O11Y-2637626 alert storm investigation",
      "url": "https://investibook.com/workspace/ws-1786632349458-bb2bb7afe",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T14:45:49.458666+00:00",
      "updated_at": "2026-08-13T14:45:49.458666+00:00",
      "user_email": "charles.m@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "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": 1.9719,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2433,
          "reasoning_tokens": 0,
          "cache_read_tokens": 134847,
          "cache_write_tokens": 357,
          "cost_amount": 1.9718613
        },
        "message_categories": {
          "Ad hoc 查询": 4
        }
      }
    },
    {
      "workspace_id": "lark-ws-ae8d13d8-3099-4295-8037-115a65354091",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ae8d13d8-3099-4295-8037-115a65354091",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T03:56:17.167501+00:00",
      "updated_at": "2026-08-12T03:56:17.167501+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "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": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8073,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2012,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86048,
          "cache_write_tokens": 1007,
          "cost_amount": 1.80729675
        },
        "message_categories": {
          "产出物迭代": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786591338701-9a24c6150",
      "title": "TCID-12985",
      "url": "https://investibook.com/workspace/ws-1786591338701-9a24c6150",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T03:22:18.701665+00:00",
      "updated_at": "2026-08-13T03:22:27.062659+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "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": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4305,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 1187,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98489,
          "cache_write_tokens": 1677,
          "cost_amount": 1.4304577499999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-476567e6-1753-46be-ae21-5ac4c698fab2",
      "title": "Lark O11Y-2636724",
      "url": "https://investibook.com/workspace/lark-ws-476567e6-1753-46be-ae21-5ac4c698fab2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:06:10.486369+00:00",
      "updated_at": "2026-08-13T02:06:10.486369+00:00",
      "user_email": "wangkang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2489,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 221534,
          "output_tokens": 5648,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 1.2488700000000001
        },
        "message_categories": {
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786608124513-e479fe79a",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786608124513-e479fe79a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:02:04.513741+00:00",
      "updated_at": "2026-08-13T08:02:04.513741+00:00",
      "user_email": "wen.hu@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 3,
          "matched_terms": [
            "import",
            "import into",
            "导入"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "执行计划"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1667,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 2368,
          "reasoning_tokens": 0,
          "cache_read_tokens": 65878,
          "cache_write_tokens": 1197,
          "cost_amount": 1.16672295
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-13d4393c-2450-4c40-80d1-235bd3fdb456",
      "title": "Lark O11Y-2636621",
      "url": "https://investibook.com/workspace/lark-ws-13d4393c-2450-4c40-80d1-235bd3fdb456",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T17:15:12.429606+00:00",
      "updated_at": "2026-08-12T17:15:12.429606+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0504,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2,
          "reasoning_tokens": 0,
          "cache_read_tokens": 116353,
          "cache_write_tokens": 1381,
          "cost_amount": 1.0503672
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786586523370-16915ac48",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2633786",
      "url": "https://investibook.com/workspace/ws-1786586523370-16915ac48",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T02:02:03.370050+00:00",
      "updated_at": "2026-08-13T02:07:18.345932+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9898,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1768,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90733,
          "cache_write_tokens": 160,
          "cost_amount": 0.98984475
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-7f536c74-910d-4362-a5eb-45fc65518053",
      "title": "Lark O11Y-2636724",
      "url": "https://investibook.com/workspace/lark-ws-7f536c74-910d-4362-a5eb-45fc65518053",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T18:06:25.115976+00:00",
      "updated_at": "2026-08-12T18:06:25.115976+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8653,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1067,
          "reasoning_tokens": 0,
          "cache_read_tokens": 100107,
          "cache_write_tokens": 364,
          "cost_amount": 0.8653354500000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786608859710-bf95cad71",
      "title": "分析一下 https://tidb.atlassian.net/browse/TCOC-5797",
      "url": "https://investibook.com/workspace/ws-1786608859710-bf95cad71",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:14:19.710486+00:00",
      "updated_at": "2026-08-13T08:15:23.884171+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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "storage size",
            "used storage"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7135,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 2484,
          "output_tokens": 10673,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 43721,
          "cost_amount": 0.74623935
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-95f6735e-d600-4633-ab98-2553280be3b7",
      "title": "Lark O11Y-2636781",
      "url": "https://investibook.com/workspace/lark-ws-95f6735e-d600-4633-ab98-2553280be3b7",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-12T18:48:13.398821+00:00",
      "updated_at": "2026-08-12T18:48:13.398821+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6529,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1060,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64487,
          "cache_write_tokens": 158,
          "cost_amount": 0.6528994499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786495116650-61ee530e5",
      "title": "https://tidb.atlassian.net/browse/TCID-13019とhttps",
      "url": "https://investibook.com/workspace/ws-1786495116650-61ee530e5",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T00:38:36.650853+00:00",
      "updated_at": "2026-08-12T00:39:22.957125+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,
        "resource_control_or_capacity": 1,
        "storage_or_io_bottleneck": 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": "backup_or_restore",
          "score": 4,
          "matched_terms": [
            "br",
            "恢复"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "capacity",
            "cpu",
            "ru",
            "容量"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "bug",
            "异常"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "bug",
          "capacity",
          "cpu",
          "io",
          "leader",
          "pd",
          "ru",
          "存储",
          "容量",
          "异常",
          "恢复"
        ],
        "message_count_used": 29,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6508,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 986,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 165517,
          "cost_amount": 0.6508349999999998
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ef7336c7-07c6-4e31-bdde-38af3233a928",
      "title": "Lark O11Y-2637425",
      "url": "https://investibook.com/workspace/lark-ws-ef7336c7-07c6-4e31-bdde-38af3233a928",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:50:56.610874+00:00",
      "updated_at": "2026-08-13T08:50:56.610874+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": "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": 0.5568,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 952,
          "reasoning_tokens": 0,
          "cache_read_tokens": 61232,
          "cache_write_tokens": 313,
          "cost_amount": 0.5568265499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786547325805-d7987a67a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1786547325805-d7987a67a",
      "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": 0.4661,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 0,
          "output_tokens": 148,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 10627,
          "cost_amount": 0.4661247
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1786518688429-4ab0880bc",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1786518688429-4ab0880bc",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shigeyuki.fujishima@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": 0.4627,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 9,
          "output_tokens": 3926,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 95502,
          "cost_amount": 0.46267875
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1786593999968-e5f7b3eee",
      "title": "gumi TiKVスケールダウン arrow-production-default-dedicated",
      "url": "https://investibook.com/workspace/ws-1786593999968-e5f7b3eee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T04:06:39.968192+00:00",
      "updated_at": "2026-08-13T04:06:57.718134+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 1,
        "backup_or_restore": 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": 6,
          "matched_terms": [
            "peer",
            "region",
            "store:",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 5,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "snapshot",
            "バックアップ"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "disk",
          "io",
          "peer",
          "region",
          "rocksdb",
          "ru",
          "scan",
          "snapshot",
          "sql",
          "store:",
          "tikv",
          "バックアップ"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.461,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68529,
          "cache_write_tokens": 2671,
          "cost_amount": 0.46104389999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786323267878-a7d68d524",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1786323267878-a7d68d524",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-10T00:54:27.878811+00:00",
      "updated_at": "2026-08-10T01:04:17.530015+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 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": 6,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "readpool",
            "region",
            "tikv",
            "unified read pool"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 5,
          "matched_terms": [
            "compaction",
            "io",
            "raft",
            "raftstore",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "duration",
            "qps",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "query",
            "scan",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "txn"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "coprocess",
          "coprocessor",
          "cpu",
          "duration",
          "io",
          "lock",
          "qps",
          "query",
          "quota",
          "raft",
          "raftstore",
          "readpool",
          "region",
          "rocksdb",
          "ru"
        ],
        "message_count_used": 45,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4467,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 117,
          "reasoning_tokens": 0,
          "cache_read_tokens": 10621,
          "cache_write_tokens": 0,
          "cost_amount": 0.44667689999999993
        },
        "message_categories": {
          "产出物迭代": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-006daa8f-3210-43bb-8d8e-6f7cb429dfde",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-006daa8f-3210-43bb-8d8e-6f7cb429dfde",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:17:59.048719+00:00",
      "updated_at": "2026-08-13T01:17:59.048719+00:00",
      "user_email": "zhangxuecheng@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4193,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1131,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45639,
          "cache_write_tokens": 469,
          "cost_amount": 0.419301
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786606410282-f64553c28",
      "title": "https://tidb.atlassian.net/browse/TCAB-291",
      "url": "https://investibook.com/workspace/ws-1786606410282-f64553c28",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:33:30.282870+00:00",
      "updated_at": "2026-08-13T07:33:56.859539+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_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 3,
          "matched_terms": [
            "email",
            "メール",
            "回答"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3694,
        "message_count": 20,
        "user_message_count": 10,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 10,
          "output_tokens": 405,
          "reasoning_tokens": 0,
          "cache_read_tokens": 22504,
          "cache_write_tokens": 441,
          "cost_amount": 0.3693567
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 3,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c4702824-0523-48b3-90b4-309994a4dc3f",
      "title": "Lark APID-29341",
      "url": "https://investibook.com/workspace/lark-ws-c4702824-0523-48b3-90b4-309994a4dc3f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:00:38.973549+00:00",
      "updated_at": "2026-08-13T07:00:38.973549+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "product_usage_or_admin",
      "scenario_category_counts": {
        "product_usage_or_admin": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "feishu",
          "login"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.348,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1331,
          "reasoning_tokens": 0,
          "cache_read_tokens": 46594,
          "cache_write_tokens": 1819,
          "cost_amount": 0.34795514999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-77900bc4-ea03-4387-895f-22b4ed3c27f6",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-77900bc4-ea03-4387-895f-22b4ed3c27f6",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T09:58:11.616108+00:00",
      "updated_at": "2026-08-13T09:58:11.616108+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "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_evidence": {
        "matched_terms": [
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2973,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 841,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29313,
          "cache_write_tokens": 520,
          "cost_amount": 0.29731155
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786596629752-d06d5d5f9",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1786596629752-d06d5d5f9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T04:50:29.752471+00:00",
      "updated_at": "2026-08-13T04:50:29.752471+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 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": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br",
          "cpu",
          "region",
          "ru",
          "tikv"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2897,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 412,
          "reasoning_tokens": 0,
          "cache_read_tokens": 55722,
          "cache_write_tokens": 513,
          "cost_amount": 0.28966845
        },
        "message_categories": {
          "产出物迭代": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786609140883-791839f8f",
      "title": "[tidb@ali-hk-prod-wallet-dba-nowallet-tidb-monitor",
      "url": "https://investibook.com/workspace/ws-1786609140883-791839f8f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:19:00.883568+00:00",
      "updated_at": "2026-08-13T08:20:07.032072+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": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed"
        ],
        "message_count_used": 9,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2826,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 1171,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 16470,
          "cost_amount": 0.28262624999999997
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786583478142-68244bf25",
      "title": "https://tidb.atlassian.net/browse/O11Y-2636697",
      "url": "https://investibook.com/workspace/ws-1786583478142-68244bf25",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:11:18.143026+00:00",
      "updated_at": "2026-08-13T01:11:21.890569+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2735,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 2050,
          "reasoning_tokens": 0,
          "cache_read_tokens": 32000,
          "cache_write_tokens": 15981,
          "cost_amount": 0.27351644999999997
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1786514037960-0a691e9a3",
      "title": "Softbank アラートのクエリ",
      "url": "https://investibook.com/workspace/ws-1786514037960-0a691e9a3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T05:53:57.960737+00:00",
      "updated_at": "2026-08-12T05:54:18.904609+00:00",
      "user_email": "shigeyuki.fujishima@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
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "sql"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2444,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 41576,
          "cache_write_tokens": 0,
          "cost_amount": 0.24444405000000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786584400498-ef1efd305",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786584400498-ef1efd305",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T01:26:40.498687+00:00",
      "updated_at": "2026-08-13T01:26:40.498687+00:00",
      "user_email": "xuhuaiyu@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics 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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1147,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1055,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18030,
          "cache_write_tokens": 330,
          "cost_amount": 0.1146807
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786580613167-08b71831e",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1786580613167-08b71831e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T00:23:33.167036+00:00",
      "updated_at": "2026-08-13T00:23:33.167036+00:00",
      "user_email": "bear.c@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 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": 4,
          "matched_terms": [
            "io",
            "iops",
            "存储",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "事务"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "p99",
          "qps",
          "region",
          "ru",
          "tikv",
          "事务",
          "存储",
          "热点",
          "磁盘"
        ],
        "message_count_used": 37,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0883,
        "message_count": 72,
        "user_message_count": 36,
        "assistant_message_count": 35,
        "token_usage": {
          "interaction_records": 39,
          "input_tokens": 7503,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75581,
          "cache_write_tokens": 2183,
          "cost_amount": 14.186692050000007
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 11,
          "诊断启动": 10,
          "解释追问": 3,
          "流程控制/确认": 5,
          "背景补充": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-f6fda35c-7d9d-48ef-9cdb-7192c2e5232a",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-f6fda35c-7d9d-48ef-9cdb-7192c2e5232a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T09:36:51.503192+00:00",
      "updated_at": "2026-08-13T09:36:51.503192+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": "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": [
          "索引"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0818,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2131,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13276,
          "cost_amount": 0.08178
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-367c5d03-00a2-470a-9538-b1b148de77b5",
      "title": "Lark GTOC-7734",
      "url": "https://investibook.com/workspace/lark-ws-367c5d03-00a2-470a-9538-b1b148de77b5",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T07:24:23.903456+00:00",
      "updated_at": "2026-08-13T07:24:23.903456+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": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "lock"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0811,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 526,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13278,
          "cache_write_tokens": 1422,
          "cost_amount": 0.0811134
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786528246140-ccd48b0d0",
      "title": "Mercari TCID-13028",
      "url": "https://investibook.com/workspace/ws-1786528246140-ccd48b0d0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-12T09:50:46.140511+00:00",
      "updated_at": "2026-08-17T09:31:12.479542+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 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": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 4,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "容量"
        ],
        "message_count_used": 90,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0493,
        "message_count": 56,
        "user_message_count": 28,
        "assistant_message_count": 28,
        "token_usage": {
          "interaction_records": 31,
          "input_tokens": 4957,
          "output_tokens": 2298,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 7.50464565
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 9,
          "Ad hoc 查询": 10,
          "解释追问": 2,
          "背景补充": 1,
          "未归类": 4
        }
      }
    },
    {
      "workspace_id": "ws-1786608859710-bf95cad71",
      "title": "分析一下 https://tidb.atlassian.net/browse/TCOC-5797",
      "url": "https://investibook.com/workspace/ws-1786608859710-bf95cad71",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-13T08:14:19.710486+00:00",
      "updated_at": "2026-08-13T08:15:23.884171+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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "storage size",
            "used storage"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0327,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 2484,
          "output_tokens": 10673,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 43721,
          "cost_amount": 0.74623935
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "未归类": 1
        }
      }
    }
  ]
}
