{
  "date": "2026-08-31",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-31T00:00:00+08:00",
  "window_end": "2026-09-01T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 26,
    "updated_existing_workspace_count": 5,
    "changed_workspace_count": 31
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1788138882633-dd8f9042b",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1788138882633-dd8f9042b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T01:14:42.633926+00:00",
      "updated_at": "2026-08-31T01:14:42.633926+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "image-send": 0.3463,
        "web": 10.2835
      },
      "cost_by_user": {
        "yahonda@pingcap.com": 10.6298
      },
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 1,
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 6,
          "matched_terms": [
            "disk",
            "i/o",
            "io",
            "iops",
            "raft",
            "raftstore"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "latency",
            "p99",
            "ru",
            "容量"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "leader",
            "operator",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 3,
          "matched_terms": [
            "modifyclustersize",
            "scale",
            "topology"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "disk",
          "i/o",
          "io",
          "iops",
          "latency",
          "leader",
          "modifyclustersize",
          "operator",
          "p99",
          "pd",
          "raft",
          "raftstore",
          "region",
          "ru",
          "scale"
        ],
        "message_count_used": 71,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.6298,
        "message_count": 103,
        "user_message_count": 51,
        "assistant_message_count": 50,
        "token_usage": {
          "interaction_records": 66,
          "input_tokens": 30516,
          "output_tokens": 17896,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83519,
          "cache_write_tokens": 758,
          "cost_amount": 10.6297491
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 7,
          "Ad hoc 查询": 23,
          "诊断启动": 3,
          "解释追问": 1,
          "流程控制/确认": 6,
          "背景补充": 10
        }
      }
    },
    {
      "workspace_id": "ws-1788154454993-f953a3e16",
      "title": "https://clinic.pingcap.com/portal/#/orgs/137281308",
      "url": "https://investibook.com/workspace/ws-1788154454993-f953a3e16",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:34:14.993997+00:00",
      "updated_at": "2026-08-31T05:38:12.532946+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 6.114
      },
      "cost_by_user": {
        "ruihao.chen@pingcap.com": 6.114
      },
      "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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.114,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 701,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57487,
          "cache_write_tokens": 672,
          "cost_amount": 6.114013350000002
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788151578350-5bee58384",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788151578350-5bee58384",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T04:46:18.350692+00:00",
      "updated_at": "2026-08-31T04:46:18.350692+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.9546
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 1.9546
      },
      "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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9546,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1109,
          "reasoning_tokens": 0,
          "cache_read_tokens": 168725,
          "cache_write_tokens": 3055,
          "cost_amount": 1.9545891000000002
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788150389294-19516048f",
      "title": "TCID-13105&TCOC-5892 ateam timeout issue",
      "url": "https://investibook.com/workspace/ws-1788150389294-19516048f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T04:26:29.294679+00:00",
      "updated_at": "2026-09-01T01:05:15.221873+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.8028
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 1.8028
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "ticket_summary_or_customer_response",
      "scenario_category_counts": {
        "ticket_summary_or_customer_response": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "escalate",
          "回答"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8028,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 409,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88036,
          "cache_write_tokens": 7824,
          "cost_amount": 1.80276225
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788162709774-bbb7d1ae5",
      "title": "ST-2926",
      "url": "https://investibook.com/workspace/ws-1788162709774-bbb7d1ae5",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:51:49.774231+00:00",
      "updated_at": "2026-08-31T07:52:00.772359+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.4006
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 1.4006
      },
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd",
          "timestamp"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4006,
        "message_count": 25,
        "user_message_count": 12,
        "assistant_message_count": 12,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 1,
          "output_tokens": 581,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82872,
          "cache_write_tokens": 4965,
          "cost_amount": 1.4005788000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 6,
          "解释追问": 1,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788174722571-040a71ad2",
      "title": "TCID-13107",
      "url": "https://investibook.com/workspace/ws-1788174722571-040a71ad2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T11:12:02.571418+00:00",
      "updated_at": "2026-08-31T11:12:08.260953+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.1483
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 1.1483
      },
      "scenario_group": "diagnosis",
      "scenario_category": "session_or_process_management",
      "scenario_category_counts": {
        "session_or_process_management": 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": [
          "kill",
          "kill 不掉"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1483,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1632,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95283,
          "cache_write_tokens": 1380,
          "cost_amount": 1.1483246999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788172256473-8e9a196da",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788172256473-8e9a196da",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T10:30:56.473388+00:00",
      "updated_at": "2026-08-31T10:30:56.473388+00:00",
      "user_email": "dihong.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.0601
      },
      "cost_by_user": {
        "dihong.wang@pingcap.com": 1.0601
      },
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0601,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1932,
          "reasoning_tokens": 0,
          "cache_read_tokens": 135707,
          "cache_write_tokens": 522,
          "cost_amount": 1.06013025
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788190038940-a51d7ed34",
      "title": "O11Y-2652097 investigation",
      "url": "https://investibook.com/workspace/ws-1788190038940-a51d7ed34",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T15:27:18.940763+00:00",
      "updated_at": "2026-08-31T15:27:18.940763+00:00",
      "user_email": "charles.m@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 1.0565
      },
      "cost_by_user": {
        "charles.m@pingcap.com": 1.0565
      },
      "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": 1.0565,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1869,
          "reasoning_tokens": 0,
          "cache_read_tokens": 110632,
          "cache_write_tokens": 2405,
          "cost_amount": 1.05652245
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-b0c65e08-9bd6-42e2-9d72-08ca03b34942",
      "title": "Lark O11Y-2650874",
      "url": "https://investibook.com/workspace/lark-ws-b0c65e08-9bd6-42e2-9d72-08ca03b34942",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-30T19:04:08.443889+00:00",
      "updated_at": "2026-08-30T19:04:08.443889+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.8436
      },
      "cost_by_user": {
        "jiangjianyuan@pingcap.com": 0.8436
      },
      "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": 0.8436,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1018,
          "reasoning_tokens": 0,
          "cache_read_tokens": 104845,
          "cache_write_tokens": 502,
          "cost_amount": 0.84358815
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788169218691-2da2c8022",
      "title": "O11Y-2651929 investigation",
      "url": "https://investibook.com/workspace/ws-1788169218691-2da2c8022",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:40:18.691890+00:00",
      "updated_at": "2026-08-31T09:40:18.691890+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 0.8131
      },
      "cost_by_user": {
        "sihao.yu@pingcap.com": 0.8131
      },
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8131,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1644,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96546,
          "cache_write_tokens": 497,
          "cost_amount": 0.81309345
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788167880427-7862fd7bc",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788167880427-7862fd7bc",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:18:00.427830+00:00",
      "updated_at": "2026-08-31T09:18:00.427830+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.7892
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.7892
      },
      "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": [
          "duration",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7892,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1404,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94044,
          "cache_write_tokens": 538,
          "cost_amount": 0.7892373
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788162661939-5d36903fe",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788162661939-5d36903fe",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:51:01.939620+00:00",
      "updated_at": "2026-08-31T07:51:01.939620+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.7126
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.7126
      },
      "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": [
          "duration",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7126,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1304,
          "reasoning_tokens": 0,
          "cache_read_tokens": 85914,
          "cache_write_tokens": 500,
          "cost_amount": 0.7126013999999999
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788160142961-a718c4fd7",
      "title": "O11Y-2651811 investigation",
      "url": "https://investibook.com/workspace/ws-1788160142961-a718c4fd7",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:09:02.961846+00:00",
      "updated_at": "2026-08-31T07:09:02.961846+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 0.589
      },
      "cost_by_user": {
        "sihao.yu@pingcap.com": 0.589
      },
      "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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "topsql"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.589,
        "message_count": 5,
        "user_message_count": 3,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1198,
          "reasoning_tokens": 0,
          "cache_read_tokens": 70519,
          "cache_write_tokens": 221,
          "cost_amount": 0.5889593999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788166183702-1579e4af2",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788166183702-1579e4af2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:49:43.702382+00:00",
      "updated_at": "2026-08-31T08:49:43.702382+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.5551
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.5551
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5551,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1173,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66182,
          "cache_write_tokens": 405,
          "cost_amount": 0.55509465
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788148327692-b0b4d29c9",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788148327692-b0b4d29c9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T03:52:07.692924+00:00",
      "updated_at": "2026-08-31T03:52:07.692924+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.4809
      },
      "cost_by_user": {
        "wen.hu@pingcap.com": 0.4809
      },
      "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": [
          "sql"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4809,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 10,
          "output_tokens": 2323,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23060,
          "cost_amount": 0.48085874999999995
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d9a715a9-cb1f-49ee-b7b6-c011be87934b",
      "title": "Lark APID-29426",
      "url": "https://investibook.com/workspace/lark-ws-d9a715a9-cb1f-49ee-b7b6-c011be87934b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:16:51.901144+00:00",
      "updated_at": "2026-08-31T08:16:51.901144+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.4465
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.4465
      },
      "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": 0.4465,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1191,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 50195,
          "cost_amount": 0.44646675
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-1423e594-a35c-408e-86c4-cdbe91026c3d",
      "title": "Lark O11Y-2652097",
      "url": "https://investibook.com/workspace/lark-ws-1423e594-a35c-408e-86c4-cdbe91026c3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T15:26:28.772892+00:00",
      "updated_at": "2026-08-31T15:26:28.772892+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.3417
      },
      "cost_by_user": {
        "chenqingjing@pingcap.com": 0.3417
      },
      "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": 0.3417,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1539,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45825,
          "cache_write_tokens": 341,
          "cost_amount": 0.3417333
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788165283014-55addc895",
      "title": "APID-29335",
      "url": "https://investibook.com/workspace/ws-1788165283014-55addc895",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:34:43.014653+00:00",
      "updated_at": "2026-08-31T08:43:14.424755+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.2765
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 0.2765
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "ticket_summary_or_customer_response",
      "scenario_category_counts": {
        "ticket_summary_or_customer_response": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "总结"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2765,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 1792,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15737,
          "cache_write_tokens": 42535,
          "cost_amount": 0.2765424
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-0422386e-f520-4734-b572-6c019448859d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-0422386e-f520-4734-b572-6c019448859d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T02:59:57.841694+00:00",
      "updated_at": "2026-08-31T02:59:57.841694+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",
      "cost_by_channel": {
        "lark": 0.1847
      },
      "cost_by_user": {
        "peiliang.liu@pingcap.com": 0.1847
      },
      "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_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps"
        ],
        "message_count_used": 2,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1847,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 350,
          "reasoning_tokens": 0,
          "cache_read_tokens": 23058,
          "cache_write_tokens": 494,
          "cost_amount": 0.1846632
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-17bf90a1-cf8a-462e-8f84-c8eb27532026",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-17bf90a1-cf8a-462e-8f84-c8eb27532026",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:56:46.467345+00:00",
      "updated_at": "2026-08-31T05:56:46.467345+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.1478
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.1478
      },
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1478,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15079,
          "cache_write_tokens": 950,
          "cost_amount": 0.14780745
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ed994708-9d53-4c25-9c3b-8e0f0b16fa0e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ed994708-9d53-4c25-9c3b-8e0f0b16fa0e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T03:35:53.282154+00:00",
      "updated_at": "2026-08-31T03:35:53.282154+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0927
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0927
      },
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0927,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2674,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14007,
          "cost_amount": 0.09266625
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-e425a521-6e92-49f3-a270-8f4a85277513",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e425a521-6e92-49f3-a270-8f4a85277513",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T12:30:28.035826+00:00",
      "updated_at": "2026-08-31T12:30:28.035826+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0818
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0818
      },
      "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": 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": 1,
          "output_tokens": 192,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14357,
          "cache_write_tokens": 2697,
          "cost_amount": 0.08175329999999999
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1af97dc3-f621-49aa-9cb7-dfb2ca978ea0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1af97dc3-f621-49aa-9cb7-dfb2ca978ea0",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:40:39.723639+00:00",
      "updated_at": "2026-08-31T09:40:39.723639+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0705
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0705
      },
      "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": [
          "panic"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0705,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1220,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13900,
          "cost_amount": 0.070455
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-868f68d1-2779-4a6e-880e-2cd5e3a1ce42",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-868f68d1-2779-4a6e-880e-2cd5e3a1ce42",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T06:59:19.713420+00:00",
      "updated_at": "2026-08-31T06:59:19.713420+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0647
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0647
      },
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0647,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 834,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13917,
          "cost_amount": 0.06472875
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-63ab5e56-cf98-48f4-a1f5-9cd938cd1677",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-63ab5e56-cf98-48f4-a1f5-9cd938cd1677",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:25:10.252392+00:00",
      "updated_at": "2026-08-31T05:25:10.252392+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0629
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0629
      },
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0629,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 720,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13894,
          "cost_amount": 0.0629325
        },
        "message_categories": {
          "方法论/能力咨询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-63e85c33-b2ed-4099-b857-505fd1ab6c05",
      "title": "Lark APID-29423",
      "url": "https://investibook.com/workspace/lark-ws-63e85c33-b2ed-4099-b857-505fd1ab6c05",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T02:20:01.519770+00:00",
      "updated_at": "2026-08-31T02:20:01.519770+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "cost_by_channel": {
        "unknown": 0.0
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0
      },
      "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,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "诊断启动": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1787906350821-e6d5b5475",
      "title": "Investigate the root cause of high TiDB p99.9",
      "url": "https://investibook.com/workspace/ws-1787906350821-e6d5b5475",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-28T08:39:10.821941+00:00",
      "updated_at": "2026-08-28T09:10:10.236477+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 9.8127
      },
      "cost_by_user": {
        "shentaining@pingcap.com": 9.8127
      },
      "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_evidence": {
        "matched_terms": [
          "duration",
          "p99"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 9.8127,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1932311,
          "output_tokens": 6046,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 9.812705000000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1788082028689-cf69617f2",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788082028689-cf69617f2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-30T09:27:08.689656+00:00",
      "updated_at": "2026-08-30T09:27:08.689656+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.6026
      },
      "cost_by_user": {
        "wen.hu@pingcap.com": 1.6026
      },
      "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6026,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 433,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 121156,
          "cost_amount": 1.6026127500000005
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786675190560-bdeb83252",
      "title": "JPID-10224 PayPay application timeout",
      "url": "https://investibook.com/workspace/ws-1786675190560-bdeb83252",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-14T02:39:50.560055+00:00",
      "updated_at": "2026-08-21T08:06:45.962615+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.6071
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 0.6071
      },
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6071,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126942,
          "cache_write_tokens": 0,
          "cost_amount": 0.6070543500000003
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787734479394-673687978",
      "title": "TCID-13092&TCOC-5872 CAPCOM ノードグループ追加時のメトリクス属性",
      "url": "https://investibook.com/workspace/ws-1787734479394-673687978",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T08:54:39.394881+00:00",
      "updated_at": "2026-08-28T04:10:49.852170+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.4799
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 0.4799
      },
      "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": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4799,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 184,
          "reasoning_tokens": 0,
          "cache_read_tokens": 7176,
          "cache_write_tokens": 13876,
          "cost_amount": 0.4798808999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787223099227-6d7e8d8fa",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787223099227-6d7e8d8fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-20T10:51:39.227044+00:00",
      "updated_at": "2026-08-20T10:51:39.227044+00:00",
      "user_email": "dihong.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "unknown",
      "cost_by_channel": {
        "unknown": 0.0
      },
      "cost_by_user": {
        "dihong.wang@pingcap.com": 0.0
      },
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 1,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {},
        "message_categories": {}
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1788138882633-dd8f9042b",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1788138882633-dd8f9042b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T01:14:42.633926+00:00",
      "updated_at": "2026-08-31T01:14:42.633926+00:00",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "image-send": 0.3463,
        "web": 10.2835
      },
      "cost_by_user": {
        "yahonda@pingcap.com": 10.6298
      },
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 1,
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 6,
          "matched_terms": [
            "disk",
            "i/o",
            "io",
            "iops",
            "raft",
            "raftstore"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "latency",
            "p99",
            "ru",
            "容量"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "leader",
            "operator",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 3,
          "matched_terms": [
            "modifyclustersize",
            "scale",
            "topology"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "disk",
          "i/o",
          "io",
          "iops",
          "latency",
          "leader",
          "modifyclustersize",
          "operator",
          "p99",
          "pd",
          "raft",
          "raftstore",
          "region",
          "ru",
          "scale"
        ],
        "message_count_used": 71,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.6298,
        "message_count": 103,
        "user_message_count": 51,
        "assistant_message_count": 50,
        "token_usage": {
          "interaction_records": 66,
          "input_tokens": 30516,
          "output_tokens": 17896,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83519,
          "cache_write_tokens": 758,
          "cost_amount": 10.6297491
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 7,
          "Ad hoc 查询": 23,
          "诊断启动": 3,
          "解释追问": 1,
          "流程控制/确认": 6,
          "背景补充": 10
        }
      }
    },
    {
      "workspace_id": "ws-1787906350821-e6d5b5475",
      "title": "Investigate the root cause of high TiDB p99.9",
      "url": "https://investibook.com/workspace/ws-1787906350821-e6d5b5475",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-28T08:39:10.821941+00:00",
      "updated_at": "2026-08-28T09:10:10.236477+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 9.8127
      },
      "cost_by_user": {
        "shentaining@pingcap.com": 9.8127
      },
      "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_evidence": {
        "matched_terms": [
          "duration",
          "p99"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 9.8127,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1932311,
          "output_tokens": 6046,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 9.812705000000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1788154454993-f953a3e16",
      "title": "https://clinic.pingcap.com/portal/#/orgs/137281308",
      "url": "https://investibook.com/workspace/ws-1788154454993-f953a3e16",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:34:14.993997+00:00",
      "updated_at": "2026-08-31T05:38:12.532946+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 6.114
      },
      "cost_by_user": {
        "ruihao.chen@pingcap.com": 6.114
      },
      "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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.114,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 701,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57487,
          "cache_write_tokens": 672,
          "cost_amount": 6.114013350000002
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788151578350-5bee58384",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788151578350-5bee58384",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T04:46:18.350692+00:00",
      "updated_at": "2026-08-31T04:46:18.350692+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.9546
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 1.9546
      },
      "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_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9546,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1109,
          "reasoning_tokens": 0,
          "cache_read_tokens": 168725,
          "cache_write_tokens": 3055,
          "cost_amount": 1.9545891000000002
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788150389294-19516048f",
      "title": "TCID-13105&TCOC-5892 ateam timeout issue",
      "url": "https://investibook.com/workspace/ws-1788150389294-19516048f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T04:26:29.294679+00:00",
      "updated_at": "2026-09-01T01:05:15.221873+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.8028
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 1.8028
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "ticket_summary_or_customer_response",
      "scenario_category_counts": {
        "ticket_summary_or_customer_response": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "escalate",
          "回答"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8028,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 409,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88036,
          "cache_write_tokens": 7824,
          "cost_amount": 1.80276225
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788082028689-cf69617f2",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788082028689-cf69617f2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-30T09:27:08.689656+00:00",
      "updated_at": "2026-08-30T09:27:08.689656+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.6026
      },
      "cost_by_user": {
        "wen.hu@pingcap.com": 1.6026
      },
      "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6026,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 433,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 121156,
          "cost_amount": 1.6026127500000005
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788162709774-bbb7d1ae5",
      "title": "ST-2926",
      "url": "https://investibook.com/workspace/ws-1788162709774-bbb7d1ae5",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:51:49.774231+00:00",
      "updated_at": "2026-08-31T07:52:00.772359+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.4006
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 1.4006
      },
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd",
          "timestamp"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4006,
        "message_count": 25,
        "user_message_count": 12,
        "assistant_message_count": 12,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 1,
          "output_tokens": 581,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82872,
          "cache_write_tokens": 4965,
          "cost_amount": 1.4005788000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 6,
          "解释追问": 1,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788174722571-040a71ad2",
      "title": "TCID-13107",
      "url": "https://investibook.com/workspace/ws-1788174722571-040a71ad2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T11:12:02.571418+00:00",
      "updated_at": "2026-08-31T11:12:08.260953+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.1483
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 1.1483
      },
      "scenario_group": "diagnosis",
      "scenario_category": "session_or_process_management",
      "scenario_category_counts": {
        "session_or_process_management": 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": [
          "kill",
          "kill 不掉"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1483,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1632,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95283,
          "cache_write_tokens": 1380,
          "cost_amount": 1.1483246999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788172256473-8e9a196da",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788172256473-8e9a196da",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T10:30:56.473388+00:00",
      "updated_at": "2026-08-31T10:30:56.473388+00:00",
      "user_email": "dihong.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 1.0601
      },
      "cost_by_user": {
        "dihong.wang@pingcap.com": 1.0601
      },
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0601,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1932,
          "reasoning_tokens": 0,
          "cache_read_tokens": 135707,
          "cache_write_tokens": 522,
          "cost_amount": 1.06013025
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788190038940-a51d7ed34",
      "title": "O11Y-2652097 investigation",
      "url": "https://investibook.com/workspace/ws-1788190038940-a51d7ed34",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T15:27:18.940763+00:00",
      "updated_at": "2026-08-31T15:27:18.940763+00:00",
      "user_email": "charles.m@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 1.0565
      },
      "cost_by_user": {
        "charles.m@pingcap.com": 1.0565
      },
      "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": 1.0565,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1869,
          "reasoning_tokens": 0,
          "cache_read_tokens": 110632,
          "cache_write_tokens": 2405,
          "cost_amount": 1.05652245
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-b0c65e08-9bd6-42e2-9d72-08ca03b34942",
      "title": "Lark O11Y-2650874",
      "url": "https://investibook.com/workspace/lark-ws-b0c65e08-9bd6-42e2-9d72-08ca03b34942",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-30T19:04:08.443889+00:00",
      "updated_at": "2026-08-30T19:04:08.443889+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.8436
      },
      "cost_by_user": {
        "jiangjianyuan@pingcap.com": 0.8436
      },
      "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": 0.8436,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1018,
          "reasoning_tokens": 0,
          "cache_read_tokens": 104845,
          "cache_write_tokens": 502,
          "cost_amount": 0.84358815
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788169218691-2da2c8022",
      "title": "O11Y-2651929 investigation",
      "url": "https://investibook.com/workspace/ws-1788169218691-2da2c8022",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:40:18.691890+00:00",
      "updated_at": "2026-08-31T09:40:18.691890+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 0.8131
      },
      "cost_by_user": {
        "sihao.yu@pingcap.com": 0.8131
      },
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8131,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1644,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96546,
          "cache_write_tokens": 497,
          "cost_amount": 0.81309345
        },
        "message_categories": {
          "产出物迭代": 2
        }
      }
    },
    {
      "workspace_id": "ws-1788167880427-7862fd7bc",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788167880427-7862fd7bc",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:18:00.427830+00:00",
      "updated_at": "2026-08-31T09:18:00.427830+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.7892
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.7892
      },
      "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": [
          "duration",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7892,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1404,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94044,
          "cache_write_tokens": 538,
          "cost_amount": 0.7892373
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788162661939-5d36903fe",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788162661939-5d36903fe",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:51:01.939620+00:00",
      "updated_at": "2026-08-31T07:51:01.939620+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.7126
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.7126
      },
      "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": [
          "duration",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7126,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1304,
          "reasoning_tokens": 0,
          "cache_read_tokens": 85914,
          "cache_write_tokens": 500,
          "cost_amount": 0.7126013999999999
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1786675190560-bdeb83252",
      "title": "JPID-10224 PayPay application timeout",
      "url": "https://investibook.com/workspace/ws-1786675190560-bdeb83252",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-14T02:39:50.560055+00:00",
      "updated_at": "2026-08-21T08:06:45.962615+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.6071
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 0.6071
      },
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6071,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126942,
          "cache_write_tokens": 0,
          "cost_amount": 0.6070543500000003
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788160142961-a718c4fd7",
      "title": "O11Y-2651811 investigation",
      "url": "https://investibook.com/workspace/ws-1788160142961-a718c4fd7",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T07:09:02.961846+00:00",
      "updated_at": "2026-08-31T07:09:02.961846+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "cli",
      "cost_by_channel": {
        "cli": 0.589
      },
      "cost_by_user": {
        "sihao.yu@pingcap.com": 0.589
      },
      "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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "topsql"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.589,
        "message_count": 5,
        "user_message_count": 3,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1198,
          "reasoning_tokens": 0,
          "cache_read_tokens": 70519,
          "cache_write_tokens": 221,
          "cost_amount": 0.5889593999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788166183702-1579e4af2",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788166183702-1579e4af2",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:49:43.702382+00:00",
      "updated_at": "2026-08-31T08:49:43.702382+00:00",
      "user_email": "zhangyuanjia@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.5551
      },
      "cost_by_user": {
        "zhangyuanjia@pingcap.com": 0.5551
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5551,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1173,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66182,
          "cache_write_tokens": 405,
          "cost_amount": 0.55509465
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788148327692-b0b4d29c9",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1788148327692-b0b4d29c9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T03:52:07.692924+00:00",
      "updated_at": "2026-08-31T03:52:07.692924+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.4809
      },
      "cost_by_user": {
        "wen.hu@pingcap.com": 0.4809
      },
      "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": [
          "sql"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4809,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 10,
          "output_tokens": 2323,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23060,
          "cost_amount": 0.48085874999999995
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 2,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787734479394-673687978",
      "title": "TCID-13092&TCOC-5872 CAPCOM ノードグループ追加時のメトリクス属性",
      "url": "https://investibook.com/workspace/ws-1787734479394-673687978",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T08:54:39.394881+00:00",
      "updated_at": "2026-08-28T04:10:49.852170+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.4799
      },
      "cost_by_user": {
        "takahiko.miyasaka@pingcap.com": 0.4799
      },
      "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": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4799,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 184,
          "reasoning_tokens": 0,
          "cache_read_tokens": 7176,
          "cache_write_tokens": 13876,
          "cost_amount": 0.4798808999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d9a715a9-cb1f-49ee-b7b6-c011be87934b",
      "title": "Lark APID-29426",
      "url": "https://investibook.com/workspace/lark-ws-d9a715a9-cb1f-49ee-b7b6-c011be87934b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:16:51.901144+00:00",
      "updated_at": "2026-08-31T08:16:51.901144+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.4465
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.4465
      },
      "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": 0.4465,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1191,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 50195,
          "cost_amount": 0.44646675
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-1423e594-a35c-408e-86c4-cdbe91026c3d",
      "title": "Lark O11Y-2652097",
      "url": "https://investibook.com/workspace/lark-ws-1423e594-a35c-408e-86c4-cdbe91026c3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T15:26:28.772892+00:00",
      "updated_at": "2026-08-31T15:26:28.772892+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.3417
      },
      "cost_by_user": {
        "chenqingjing@pingcap.com": 0.3417
      },
      "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": 0.3417,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1539,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45825,
          "cache_write_tokens": 341,
          "cost_amount": 0.3417333
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1788165283014-55addc895",
      "title": "APID-29335",
      "url": "https://investibook.com/workspace/ws-1788165283014-55addc895",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T08:34:43.014653+00:00",
      "updated_at": "2026-08-31T08:43:14.424755+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "cost_by_channel": {
        "web": 0.2765
      },
      "cost_by_user": {
        "zhipeng.su@pingcap.com": 0.2765
      },
      "scenario_group": "non_diagnosis",
      "scenario_category": "ticket_summary_or_customer_response",
      "scenario_category_counts": {
        "ticket_summary_or_customer_response": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "总结"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2765,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 1792,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15737,
          "cache_write_tokens": 42535,
          "cost_amount": 0.2765424
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-0422386e-f520-4734-b572-6c019448859d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-0422386e-f520-4734-b572-6c019448859d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T02:59:57.841694+00:00",
      "updated_at": "2026-08-31T02:59:57.841694+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",
      "cost_by_channel": {
        "lark": 0.1847
      },
      "cost_by_user": {
        "peiliang.liu@pingcap.com": 0.1847
      },
      "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_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps"
        ],
        "message_count_used": 2,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1847,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 350,
          "reasoning_tokens": 0,
          "cache_read_tokens": 23058,
          "cache_write_tokens": 494,
          "cost_amount": 0.1846632
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-17bf90a1-cf8a-462e-8f84-c8eb27532026",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-17bf90a1-cf8a-462e-8f84-c8eb27532026",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:56:46.467345+00:00",
      "updated_at": "2026-08-31T05:56:46.467345+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.1478
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.1478
      },
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1478,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15079,
          "cache_write_tokens": 950,
          "cost_amount": 0.14780745
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ed994708-9d53-4c25-9c3b-8e0f0b16fa0e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ed994708-9d53-4c25-9c3b-8e0f0b16fa0e",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T03:35:53.282154+00:00",
      "updated_at": "2026-08-31T03:35:53.282154+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0927
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0927
      },
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0927,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2674,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14007,
          "cost_amount": 0.09266625
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-e425a521-6e92-49f3-a270-8f4a85277513",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e425a521-6e92-49f3-a270-8f4a85277513",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T12:30:28.035826+00:00",
      "updated_at": "2026-08-31T12:30:28.035826+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0818
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0818
      },
      "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": 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": 1,
          "output_tokens": 192,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14357,
          "cache_write_tokens": 2697,
          "cost_amount": 0.08175329999999999
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1af97dc3-f621-49aa-9cb7-dfb2ca978ea0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1af97dc3-f621-49aa-9cb7-dfb2ca978ea0",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T09:40:39.723639+00:00",
      "updated_at": "2026-08-31T09:40:39.723639+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0705
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0705
      },
      "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": [
          "panic"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0705,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1220,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13900,
          "cost_amount": 0.070455
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-868f68d1-2779-4a6e-880e-2cd5e3a1ce42",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-868f68d1-2779-4a6e-880e-2cd5e3a1ce42",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T06:59:19.713420+00:00",
      "updated_at": "2026-08-31T06:59:19.713420+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0647
      },
      "cost_by_user": {
        "shaoxiqian@pingcap.com": 0.0647
      },
      "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": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0647,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 834,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13917,
          "cost_amount": 0.06472875
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-63ab5e56-cf98-48f4-a1f5-9cd938cd1677",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-63ab5e56-cf98-48f4-a1f5-9cd938cd1677",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T05:25:10.252392+00:00",
      "updated_at": "2026-08-31T05:25:10.252392+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "cost_by_channel": {
        "lark": 0.0629
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0629
      },
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0629,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 720,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13894,
          "cost_amount": 0.0629325
        },
        "message_categories": {
          "方法论/能力咨询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-63e85c33-b2ed-4099-b857-505fd1ab6c05",
      "title": "Lark APID-29423",
      "url": "https://investibook.com/workspace/lark-ws-63e85c33-b2ed-4099-b857-505fd1ab6c05",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-31T02:20:01.519770+00:00",
      "updated_at": "2026-08-31T02:20:01.519770+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "cost_by_channel": {
        "unknown": 0.0
      },
      "cost_by_user": {
        "cherubin.j@pingcap.com": 0.0
      },
      "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,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787223099227-6d7e8d8fa",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787223099227-6d7e8d8fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-20T10:51:39.227044+00:00",
      "updated_at": "2026-08-20T10:51:39.227044+00:00",
      "user_email": "dihong.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "unknown",
      "cost_by_channel": {
        "unknown": 0.0
      },
      "cost_by_user": {
        "dihong.wang@pingcap.com": 0.0
      },
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 1,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {},
        "message_categories": {}
      }
    }
  ]
}
