{
  "date": "2026-08-27",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-27T00:00:00+08:00",
  "window_end": "2026-08-28T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 26,
    "updated_existing_workspace_count": 8,
    "changed_workspace_count": 34
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1787819687754-704324301",
      "title": "O11Y-2647555",
      "url": "https://investibook.com/workspace/ws-1787819687754-704324301",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T08:34:47.754448+00:00",
      "updated_at": "2026-08-27T08:34:56.390469+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "memory_or_oom_pressure": 1,
        "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": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 3,
          "matched_terms": [
            "heap",
            "memory",
            "oom"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "heap",
          "io",
          "memory",
          "oom",
          "peer",
          "region",
          "tikv"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 138.5354,
        "message_count": 17,
        "user_message_count": 8,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 27359698,
          "output_tokens": 69477,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 138.535415
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "流程控制/确认": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787827543860-90fe87890",
      "title": "ALT-2608-4345",
      "url": "https://investibook.com/workspace/ws-1787827543860-90fe87890",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T10:45:43.860239+00:00",
      "updated_at": "2026-08-27T10:45:52.969712+00:00",
      "user_email": "wangkang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.6056,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2004443,
          "output_tokens": 23334,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 10.605565000000006
        },
        "message_categories": {
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787804994835-f75db4f02",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637688",
      "url": "https://investibook.com/workspace/ws-1787804994835-f75db4f02",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T04:29:54.835583+00:00",
      "updated_at": "2026-08-27T04:34:39.309398+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9081,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1712,
          "reasoning_tokens": 0,
          "cache_read_tokens": 113084,
          "cache_write_tokens": 2862,
          "cost_amount": 1.9081339499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787809969794-df8a7d83d",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787809969794-df8a7d83d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T05:52:49.794374+00:00",
      "updated_at": "2026-08-27T05:52:49.794374+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6324,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 4662,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 131286,
          "cost_amount": 1.6324177500000001
        },
        "message_categories": {
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787801831012-66a7eeef9",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637700",
      "url": "https://investibook.com/workspace/ws-1787801831012-66a7eeef9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:37:11.012596+00:00",
      "updated_at": "2026-08-27T03:53:40.818749+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2235,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1682,
          "reasoning_tokens": 0,
          "cache_read_tokens": 89321,
          "cache_write_tokens": 404,
          "cost_amount": 1.2234918000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787825001441-5c8e24007",
      "title": "TCID-13096",
      "url": "https://investibook.com/workspace/ws-1787825001441-5c8e24007",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T10:03:21.441743+00:00",
      "updated_at": "2026-08-27T10:04:14.837856+00:00",
      "user_email": "lang.zhu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "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": 1.0923,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1556,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107138,
          "cache_write_tokens": 333,
          "cost_amount": 1.0922944499999998
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787780859084-ad309b0de",
      "title": "Cluster 10644861415632366164",
      "url": "https://investibook.com/workspace/ws-1787780859084-ad309b0de",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T21:47:39.084029+00:00",
      "updated_at": "2026-08-26T22:01:51.792266+00:00",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "optimizer",
          "plan",
          "query",
          "scan"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0186,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1666,
          "reasoning_tokens": 0,
          "cache_read_tokens": 133441,
          "cache_write_tokens": 471,
          "cost_amount": 1.018614
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:47:57.698857+00:00",
      "updated_at": "2026-08-27T07:47:57.698857+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "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_evidence": {
        "matched_terms": [
          "kill"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7789,
        "message_count": 14,
        "user_message_count": 6,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 11,
          "input_tokens": 5398,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 36187,
          "cost_amount": 0.8503899
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787817332054-0bd0b129f",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787817332054-0bd0b129f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:55:32.054669+00:00",
      "updated_at": "2026-08-27T07:55:32.054669+00:00",
      "user_email": "shenjing.zhao@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7663,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 1062,
          "reasoning_tokens": 0,
          "cache_read_tokens": 61079,
          "cache_write_tokens": 1839,
          "cost_amount": 0.7662515999999998
        },
        "message_categories": {
          "产出物迭代": 3,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787832654191-85a511082",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787832654191-85a511082",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T12:10:54.191213+00:00",
      "updated_at": "2026-08-27T12:10:54.191213+00:00",
      "user_email": "qiujirong@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7495,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1841,
          "reasoning_tokens": 0,
          "cache_read_tokens": 100659,
          "cache_write_tokens": 619,
          "cost_amount": 0.7494729
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787812675780-b92be66de",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787812675780-b92be66de",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:37:55.780394+00:00",
      "updated_at": "2026-08-27T06:37:55.780394+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7008,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1623,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79793,
          "cache_write_tokens": 417,
          "cost_amount": 0.7008162
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-77b452b9-d8aa-4111-9c8a-aeac990aefaf",
      "title": "Lark O11Y-2648797",
      "url": "https://investibook.com/workspace/lark-ws-77b452b9-d8aa-4111-9c8a-aeac990aefaf",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T20:32:34.829569+00:00",
      "updated_at": "2026-08-26T20:32:34.829569+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.692,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83933,
          "cache_write_tokens": 331,
          "cost_amount": 0.6919833
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-86e5d9e2-2f57-4a19-b5ba-ad9d23efcd82",
      "title": "Lark O11Y-2648727",
      "url": "https://investibook.com/workspace/lark-ws-86e5d9e2-2f57-4a19-b5ba-ad9d23efcd82",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T17:11:45.953586+00:00",
      "updated_at": "2026-08-26T17:11:45.953586+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6385,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1017,
          "reasoning_tokens": 0,
          "cache_read_tokens": 78765,
          "cache_write_tokens": 311,
          "cost_amount": 0.6384944999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1a4c837c-5a74-44ad-a874-c70ff79e2bac",
      "title": "Lark O11Y-2648799",
      "url": "https://investibook.com/workspace/lark-ws-1a4c837c-5a74-44ad-a874-c70ff79e2bac",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T20:32:06.488656+00:00",
      "updated_at": "2026-08-26T20:32:06.488656+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6272,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 618,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79220,
          "cache_write_tokens": 341,
          "cost_amount": 0.62719155
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787797774253-83b7338d1",
      "title": "pd面板里的scheduler reach limit 存在",
      "url": "https://investibook.com/workspace/ws-1787797774253-83b7338d1",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T02:29:34.253788+00:00",
      "updated_at": "2026-08-27T02:32:39.300200+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "evict",
          "leader",
          "operator",
          "pd",
          "scheduler",
          "调度"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5554,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 10,
          "output_tokens": 1086,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23129,
          "cost_amount": 0.55537875
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1787803001234-fa28c4105",
      "title": "Cluster 10012181624709714137",
      "url": "https://investibook.com/workspace/ws-1787803001234-fa28c4105",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:56:41.234909+00:00",
      "updated_at": "2026-08-27T03:56:41.234909+00:00",
      "user_email": "eddie.jiang@pingcap.com",
      "team_path": "APAC Business Group / APAC Presales",
      "team": "APAC Presales",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "失敗",
            "故障"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4584,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 142,
          "reasoning_tokens": 0,
          "cache_read_tokens": 63383,
          "cache_write_tokens": 2696,
          "cost_amount": 0.45841995
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787793838960-3c430e4b8",
      "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-1787793838960-3c430e4b8",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T01:23:58.960942+00:00",
      "updated_at": "2026-08-27T01:24:15.705905+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tcid-",
          "tcoc-"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4452,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 839,
          "reasoning_tokens": 0,
          "cache_read_tokens": 41465,
          "cache_write_tokens": 23512,
          "cost_amount": 0.44517285
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-6858f917-062a-4505-b090-53fe2cd25d82",
      "title": "Lark ST-2915",
      "url": "https://investibook.com/workspace/lark-ws-6858f917-062a-4505-b090-53fe2cd25d82",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T09:19:52.164749+00:00",
      "updated_at": "2026-08-27T09:19:52.164749+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "network_or_connectivity",
      "scenario_category_counts": {
        "network_or_connectivity": 1,
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "network_or_connectivity",
          "score": 3,
          "matched_terms": [
            "connection timeout",
            "connectivity",
            "network"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "transaction"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "connection timeout",
          "connectivity",
          "cpu",
          "lock",
          "network",
          "query",
          "ru",
          "slow query",
          "transaction"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2412,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 473,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45200,
          "cache_write_tokens": 2753,
          "cost_amount": 0.24115635
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787770421936-17e944505",
      "title": "how to calculate vcpu from BYOC? I think the",
      "url": "https://investibook.com/workspace/ws-1787770421936-17e944505",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T18:53:41.936780+00:00",
      "updated_at": "2026-08-26T18:54:31.778255+00:00",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1329,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 384,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17975,
          "cache_write_tokens": 4232,
          "cost_amount": 0.13287135
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787811174063-e6aed0326",
      "title": "tidb resource control 的功能是什么版本发布的？",
      "url": "https://investibook.com/workspace/ws-1787811174063-e6aed0326",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:12:54.063986+00:00",
      "updated_at": "2026-08-27T08:05:42.081710+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "resource control"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1254,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14305,
          "cost_amount": 0.12536625
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a903bf54-80ef-4318-adb5-230d6da4447b",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a903bf54-80ef-4318-adb5-230d6da4447b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T02:42:01.709049+00:00",
      "updated_at": "2026-08-27T02:42:01.709049+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "锁"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0899,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1173,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13867,
          "cache_write_tokens": 1056,
          "cost_amount": 0.08994135
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:47:57.698857+00:00",
      "updated_at": "2026-08-27T07:47:57.698857+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "image-send",
      "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_evidence": {
        "matched_terms": [
          "kill"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0715,
        "message_count": 14,
        "user_message_count": 6,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 11,
          "input_tokens": 5398,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 36187,
          "cost_amount": 0.8503899
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787813774488-90dd5aac3",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1787813774488-90dd5aac3",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:56:14.488584+00:00",
      "updated_at": "2026-08-27T06:56:14.488584+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "pitr",
          "バックアップ",
          "リストア"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0667,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1031,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13657,
          "cost_amount": 0.06670875
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-2b8dca77-53b4-4ef7-abc8-d63ff9c7c014",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-2b8dca77-53b4-4ef7-abc8-d63ff9c7c014",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:27:49.824761+00:00",
      "updated_at": "2026-08-27T03:27:49.824761+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "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": 0.0649,
        "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": 13953,
          "cost_amount": 0.06486375
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787760530568-704d2c82f",
      "title": "What's your model name?",
      "url": "https://investibook.com/workspace/ws-1787760530568-704d2c82f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T16:08:50.568403+00:00",
      "updated_at": "2026-08-26T16:09:05.862029+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0628,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10931,
          "output_tokens": 324,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.062755
        },
        "message_categories": {
          "解释追问": 2,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-94adbf3e-90b3-41af-8934-6ca1757b8c7a",
      "title": "Lark O11Y-2648822",
      "url": "https://investibook.com/workspace/lark-ws-94adbf3e-90b3-41af-8934-6ca1757b8c7a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T01:47:44.727214+00:00",
      "updated_at": "2026-08-27T01:47:44.727214+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "lark-ws-7fe8901c-67d0-4af3-97f8-ecd143f55fa8",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-7fe8901c-67d0-4af3-97f8-ecd143f55fa8",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T09:00:35.848565+00:00",
      "updated_at": "2026-08-26T09:00:35.848565+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.5014,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1312,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 139359,
          "cost_amount": 6.5013821999999974
        },
        "message_categories": {
          "产出物迭代": 3
        }
      }
    },
    {
      "workspace_id": "ws-1787731187135-cbf5a8471",
      "title": "帮我分析一下 https://clinic.pingcap.com/portal/#/cluster",
      "url": "https://investibook.com/workspace/ws-1787731187135-cbf5a8471",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T07:59:47.135136+00:00",
      "updated_at": "2026-08-26T08:05:57.047167+00:00",
      "user_email": "brian.w@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "gc_or_allocator_pressure": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "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": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "latency",
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "plan",
            "query",
            "sql",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 3,
          "matched_terms": [
            "gc"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "gc",
          "io",
          "latency",
          "p99",
          "plan",
          "qps",
          "query",
          "region",
          "ru",
          "sql",
          "tikv",
          "存储",
          "索引"
        ],
        "message_count_used": 21,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.0795,
        "message_count": 30,
        "user_message_count": 15,
        "assistant_message_count": 15,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 0,
          "output_tokens": 1442,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97727,
          "cache_write_tokens": 0,
          "cost_amount": 6.079454250000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 3,
          "Ad hoc 查询": 7,
          "诊断启动": 3,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787713936181-26a2e85c2",
      "title": "O11Y-2645253",
      "url": "https://investibook.com/workspace/ws-1787713936181-26a2e85c2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T03:12:16.181216+00:00",
      "updated_at": "2026-08-26T03:12:36.918513+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9889,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 191070,
          "output_tokens": 1342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.9889
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787185279628-e5ec5cc85",
      "title": "TCID-13060 Fujitsu アップグレード切り戻し相談",
      "url": "https://investibook.com/workspace/ws-1787185279628-e5ec5cc85",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-20T00:21:19.628104+00:00",
      "updated_at": "2026-08-25T02:58:48.611962+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc",
          "レプリケーション"
        ],
        "message_count_used": 11,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3984,
        "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": 3898,
          "cache_write_tokens": 6242,
          "cost_amount": 0.39843224999999993
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787711430468-7ffe8d09f",
      "title": "TCID-13088 Aiming ノード再起動",
      "url": "https://investibook.com/workspace/ws-1787711430468-7ffe8d09f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T02:30:30.468750+00:00",
      "updated_at": "2026-08-26T08:55:04.404270+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 3,
          "matched_terms": [
            "回答",
            "回答案",
            "总结"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "evict",
          "leader",
          "operator",
          "pd",
          "scheduler",
          "调度"
        ],
        "message_count_used": 21,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3654,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14002,
          "cache_write_tokens": 431,
          "cost_amount": 0.36538080000000006
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787760361124-8f1898d4b",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1787760361124-8f1898d4b",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0646,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 11084,
          "output_tokens": 366,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.06457000000000002
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-f2ce40f3-0df2-4da0-b509-f9ef7351910a",
      "title": "Lark ST-2915",
      "url": "https://investibook.com/workspace/lark-ws-f2ce40f3-0df2-4da0-b509-f9ef7351910a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T05:27:29.073482+00:00",
      "updated_at": "2026-08-26T05:27:29.073482+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "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",
          "raft"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "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": "unknown",
      "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": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 4
        }
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1787819687754-704324301",
      "title": "O11Y-2647555",
      "url": "https://investibook.com/workspace/ws-1787819687754-704324301",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T08:34:47.754448+00:00",
      "updated_at": "2026-08-27T08:34:56.390469+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "memory_or_oom_pressure": 1,
        "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": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 3,
          "matched_terms": [
            "heap",
            "memory",
            "oom"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "heap",
          "io",
          "memory",
          "oom",
          "peer",
          "region",
          "tikv"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 138.5354,
        "message_count": 17,
        "user_message_count": 8,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 27359698,
          "output_tokens": 69477,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 138.535415
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "流程控制/确认": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787827543860-90fe87890",
      "title": "ALT-2608-4345",
      "url": "https://investibook.com/workspace/ws-1787827543860-90fe87890",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T10:45:43.860239+00:00",
      "updated_at": "2026-08-27T10:45:52.969712+00:00",
      "user_email": "wangkang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.6056,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2004443,
          "output_tokens": 23334,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 10.605565000000006
        },
        "message_categories": {
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-7fe8901c-67d0-4af3-97f8-ecd143f55fa8",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-7fe8901c-67d0-4af3-97f8-ecd143f55fa8",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T09:00:35.848565+00:00",
      "updated_at": "2026-08-26T09:00:35.848565+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.5014,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1312,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 139359,
          "cost_amount": 6.5013821999999974
        },
        "message_categories": {
          "产出物迭代": 3
        }
      }
    },
    {
      "workspace_id": "ws-1787731187135-cbf5a8471",
      "title": "帮我分析一下 https://clinic.pingcap.com/portal/#/cluster",
      "url": "https://investibook.com/workspace/ws-1787731187135-cbf5a8471",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T07:59:47.135136+00:00",
      "updated_at": "2026-08-26T08:05:57.047167+00:00",
      "user_email": "brian.w@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "gc_or_allocator_pressure": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "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": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "latency",
            "p99",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "plan",
            "query",
            "sql",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 3,
          "matched_terms": [
            "gc"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "gc",
          "io",
          "latency",
          "p99",
          "plan",
          "qps",
          "query",
          "region",
          "ru",
          "sql",
          "tikv",
          "存储",
          "索引"
        ],
        "message_count_used": 21,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 6.0795,
        "message_count": 30,
        "user_message_count": 15,
        "assistant_message_count": 15,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 0,
          "output_tokens": 1442,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97727,
          "cache_write_tokens": 0,
          "cost_amount": 6.079454250000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 3,
          "Ad hoc 查询": 7,
          "诊断启动": 3,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787804994835-f75db4f02",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637688",
      "url": "https://investibook.com/workspace/ws-1787804994835-f75db4f02",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T04:29:54.835583+00:00",
      "updated_at": "2026-08-27T04:34:39.309398+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "coprocess",
            "coprocessor"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9081,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1712,
          "reasoning_tokens": 0,
          "cache_read_tokens": 113084,
          "cache_write_tokens": 2862,
          "cost_amount": 1.9081339499999999
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787809969794-df8a7d83d",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787809969794-df8a7d83d",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T05:52:49.794374+00:00",
      "updated_at": "2026-08-27T05:52:49.794374+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6324,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 4662,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 131286,
          "cost_amount": 1.6324177500000001
        },
        "message_categories": {
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787801831012-66a7eeef9",
      "title": "分析 https://tidb.atlassian.net/browse/O11Y-2637700",
      "url": "https://investibook.com/workspace/ws-1787801831012-66a7eeef9",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:37:11.012596+00:00",
      "updated_at": "2026-08-27T03:53:40.818749+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.2235,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1682,
          "reasoning_tokens": 0,
          "cache_read_tokens": 89321,
          "cache_write_tokens": 404,
          "cost_amount": 1.2234918000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787825001441-5c8e24007",
      "title": "TCID-13096",
      "url": "https://investibook.com/workspace/ws-1787825001441-5c8e24007",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T10:03:21.441743+00:00",
      "updated_at": "2026-08-27T10:04:14.837856+00:00",
      "user_email": "lang.zhu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "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": 1.0923,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1556,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107138,
          "cache_write_tokens": 333,
          "cost_amount": 1.0922944499999998
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787780859084-ad309b0de",
      "title": "Cluster 10644861415632366164",
      "url": "https://investibook.com/workspace/ws-1787780859084-ad309b0de",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T21:47:39.084029+00:00",
      "updated_at": "2026-08-26T22:01:51.792266+00:00",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "optimizer",
          "plan",
          "query",
          "scan"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0186,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1666,
          "reasoning_tokens": 0,
          "cache_read_tokens": 133441,
          "cache_write_tokens": 471,
          "cost_amount": 1.018614
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787713936181-26a2e85c2",
      "title": "O11Y-2645253",
      "url": "https://investibook.com/workspace/ws-1787713936181-26a2e85c2",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T03:12:16.181216+00:00",
      "updated_at": "2026-08-26T03:12:36.918513+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9889,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 191070,
          "output_tokens": 1342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.9889
        },
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:47:57.698857+00:00",
      "updated_at": "2026-08-27T07:47:57.698857+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "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_evidence": {
        "matched_terms": [
          "kill"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7789,
        "message_count": 14,
        "user_message_count": 6,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 11,
          "input_tokens": 5398,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 36187,
          "cost_amount": 0.8503899
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787817332054-0bd0b129f",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787817332054-0bd0b129f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:55:32.054669+00:00",
      "updated_at": "2026-08-27T07:55:32.054669+00:00",
      "user_email": "shenjing.zhao@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7663,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 1062,
          "reasoning_tokens": 0,
          "cache_read_tokens": 61079,
          "cache_write_tokens": 1839,
          "cost_amount": 0.7662515999999998
        },
        "message_categories": {
          "产出物迭代": 3,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787832654191-85a511082",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787832654191-85a511082",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T12:10:54.191213+00:00",
      "updated_at": "2026-08-27T12:10:54.191213+00:00",
      "user_email": "qiujirong@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7495,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1841,
          "reasoning_tokens": 0,
          "cache_read_tokens": 100659,
          "cache_write_tokens": 619,
          "cost_amount": 0.7494729
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787812675780-b92be66de",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1787812675780-b92be66de",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:37:55.780394+00:00",
      "updated_at": "2026-08-27T06:37:55.780394+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7008,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1623,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79793,
          "cache_write_tokens": 417,
          "cost_amount": 0.7008162
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-77b452b9-d8aa-4111-9c8a-aeac990aefaf",
      "title": "Lark O11Y-2648797",
      "url": "https://investibook.com/workspace/lark-ws-77b452b9-d8aa-4111-9c8a-aeac990aefaf",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T20:32:34.829569+00:00",
      "updated_at": "2026-08-26T20:32:34.829569+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.692,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1206,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83933,
          "cache_write_tokens": 331,
          "cost_amount": 0.6919833
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-86e5d9e2-2f57-4a19-b5ba-ad9d23efcd82",
      "title": "Lark O11Y-2648727",
      "url": "https://investibook.com/workspace/lark-ws-86e5d9e2-2f57-4a19-b5ba-ad9d23efcd82",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T17:11:45.953586+00:00",
      "updated_at": "2026-08-26T17:11:45.953586+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6385,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1017,
          "reasoning_tokens": 0,
          "cache_read_tokens": 78765,
          "cache_write_tokens": 311,
          "cost_amount": 0.6384944999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-1a4c837c-5a74-44ad-a874-c70ff79e2bac",
      "title": "Lark O11Y-2648799",
      "url": "https://investibook.com/workspace/lark-ws-1a4c837c-5a74-44ad-a874-c70ff79e2bac",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T20:32:06.488656+00:00",
      "updated_at": "2026-08-26T20:32:06.488656+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6272,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 618,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79220,
          "cache_write_tokens": 341,
          "cost_amount": 0.62719155
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787797774253-83b7338d1",
      "title": "pd面板里的scheduler reach limit 存在",
      "url": "https://investibook.com/workspace/ws-1787797774253-83b7338d1",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T02:29:34.253788+00:00",
      "updated_at": "2026-08-27T02:32:39.300200+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "evict",
          "leader",
          "operator",
          "pd",
          "scheduler",
          "调度"
        ],
        "message_count_used": 6,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5554,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 10,
          "output_tokens": 1086,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23129,
          "cost_amount": 0.55537875
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1787803001234-fa28c4105",
      "title": "Cluster 10012181624709714137",
      "url": "https://investibook.com/workspace/ws-1787803001234-fa28c4105",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:56:41.234909+00:00",
      "updated_at": "2026-08-27T03:56:41.234909+00:00",
      "user_email": "eddie.jiang@pingcap.com",
      "team_path": "APAC Business Group / APAC Presales",
      "team": "APAC Presales",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "失敗",
            "故障"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4584,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 142,
          "reasoning_tokens": 0,
          "cache_read_tokens": 63383,
          "cache_write_tokens": 2696,
          "cost_amount": 0.45841995
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787793838960-3c430e4b8",
      "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-1787793838960-3c430e4b8",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T01:23:58.960942+00:00",
      "updated_at": "2026-08-27T01:24:15.705905+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tcid-",
          "tcoc-"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4452,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 839,
          "reasoning_tokens": 0,
          "cache_read_tokens": 41465,
          "cache_write_tokens": 23512,
          "cost_amount": 0.44517285
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "ws-1787185279628-e5ec5cc85",
      "title": "TCID-13060 Fujitsu アップグレード切り戻し相談",
      "url": "https://investibook.com/workspace/ws-1787185279628-e5ec5cc85",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-20T00:21:19.628104+00:00",
      "updated_at": "2026-08-25T02:58:48.611962+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc",
          "レプリケーション"
        ],
        "message_count_used": 11,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3984,
        "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": 3898,
          "cache_write_tokens": 6242,
          "cost_amount": 0.39843224999999993
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787711430468-7ffe8d09f",
      "title": "TCID-13088 Aiming ノード再起動",
      "url": "https://investibook.com/workspace/ws-1787711430468-7ffe8d09f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T02:30:30.468750+00:00",
      "updated_at": "2026-08-26T08:55:04.404270+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 3,
          "matched_terms": [
            "回答",
            "回答案",
            "总结"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "backup",
            "br"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "evict",
          "leader",
          "operator",
          "pd",
          "scheduler",
          "调度"
        ],
        "message_count_used": 21,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3654,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14002,
          "cache_write_tokens": 431,
          "cost_amount": 0.36538080000000006
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-6858f917-062a-4505-b090-53fe2cd25d82",
      "title": "Lark ST-2915",
      "url": "https://investibook.com/workspace/lark-ws-6858f917-062a-4505-b090-53fe2cd25d82",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T09:19:52.164749+00:00",
      "updated_at": "2026-08-27T09:19:52.164749+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "network_or_connectivity",
      "scenario_category_counts": {
        "network_or_connectivity": 1,
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "network_or_connectivity",
          "score": 3,
          "matched_terms": [
            "connection timeout",
            "connectivity",
            "network"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "transaction"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "connection timeout",
          "connectivity",
          "cpu",
          "lock",
          "network",
          "query",
          "ru",
          "slow query",
          "transaction"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2412,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 473,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45200,
          "cache_write_tokens": 2753,
          "cost_amount": 0.24115635
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787770421936-17e944505",
      "title": "how to calculate vcpu from BYOC? I think the",
      "url": "https://investibook.com/workspace/ws-1787770421936-17e944505",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T18:53:41.936780+00:00",
      "updated_at": "2026-08-26T18:54:31.778255+00:00",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1329,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 384,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17975,
          "cache_write_tokens": 4232,
          "cost_amount": 0.13287135
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787811174063-e6aed0326",
      "title": "tidb resource control 的功能是什么版本发布的？",
      "url": "https://investibook.com/workspace/ws-1787811174063-e6aed0326",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:12:54.063986+00:00",
      "updated_at": "2026-08-27T08:05:42.081710+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "resource control"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1254,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 700,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14305,
          "cost_amount": 0.12536625
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a903bf54-80ef-4318-adb5-230d6da4447b",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a903bf54-80ef-4318-adb5-230d6da4447b",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T02:42:01.709049+00:00",
      "updated_at": "2026-08-27T02:42:01.709049+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "锁"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0899,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1173,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13867,
          "cache_write_tokens": 1056,
          "cost_amount": 0.08994135
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-068fea2d-6cda-4d91-8487-3a9106fe27ee",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T07:47:57.698857+00:00",
      "updated_at": "2026-08-27T07:47:57.698857+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "image-send",
      "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_evidence": {
        "matched_terms": [
          "kill"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0715,
        "message_count": 14,
        "user_message_count": 6,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 11,
          "input_tokens": 5398,
          "output_tokens": 5493,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 36187,
          "cost_amount": 0.8503899
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787813774488-90dd5aac3",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1787813774488-90dd5aac3",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T06:56:14.488584+00:00",
      "updated_at": "2026-08-27T06:56:14.488584+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "pitr",
          "バックアップ",
          "リストア"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0667,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1031,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13657,
          "cost_amount": 0.06670875
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-2b8dca77-53b4-4ef7-abc8-d63ff9c7c014",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-2b8dca77-53b4-4ef7-abc8-d63ff9c7c014",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T03:27:49.824761+00:00",
      "updated_at": "2026-08-27T03:27:49.824761+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "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": 0.0649,
        "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": 13953,
          "cost_amount": 0.06486375
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787760361124-8f1898d4b",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1787760361124-8f1898d4b",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0646,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 11084,
          "output_tokens": 366,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.06457000000000002
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1787760530568-704d2c82f",
      "title": "What's your model name?",
      "url": "https://investibook.com/workspace/ws-1787760530568-704d2c82f",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-26T16:08:50.568403+00:00",
      "updated_at": "2026-08-26T16:09:05.862029+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0628,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10931,
          "output_tokens": 324,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.062755
        },
        "message_categories": {
          "解释追问": 2,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-94adbf3e-90b3-41af-8934-6ca1757b8c7a",
      "title": "Lark O11Y-2648822",
      "url": "https://investibook.com/workspace/lark-ws-94adbf3e-90b3-41af-8934-6ca1757b8c7a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-27T01:47:44.727214+00:00",
      "updated_at": "2026-08-27T01:47:44.727214+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-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": "unknown",
      "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": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 4
        }
      }
    },
    {
      "workspace_id": "lark-ws-f2ce40f3-0df2-4da0-b509-f9ef7351910a",
      "title": "Lark ST-2915",
      "url": "https://investibook.com/workspace/lark-ws-f2ce40f3-0df2-4da0-b509-f9ef7351910a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-08-26T05:27:29.073482+00:00",
      "updated_at": "2026-08-26T05:27:29.073482+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "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",
          "raft"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "流程控制/确认": 1
        }
      }
    }
  ]
}
