{
  "date": "2026-07-14",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-07-14T00:00:00+08:00",
  "window_end": "2026-07-15T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 54,
    "updated_existing_workspace_count": 16,
    "changed_workspace_count": 70
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1784000853451-e178ba94e",
      "title": "https://tidb.atlassian.net/browse/TCID-12914",
      "url": "https://investibook.com/workspace/ws-1784000853451-e178ba94e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:47:33.451894+00:00",
      "updated_at": "2026-07-14T08:45:37.414253+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cdc_or_replication_lag",
          "score": 3,
          "matched_terms": [
            "cdc",
            "changefeed",
            "ticdc"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.9196,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 32,
          "input_tokens": 103599,
          "output_tokens": 4251,
          "reasoning_tokens": 0,
          "cache_read_tokens": 124066,
          "cache_write_tokens": 29896,
          "cost_amount": 4.2844164
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 5,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "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": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.2387,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015867271-93c237531",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015867271-93c237531",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:57:47.271350+00:00",
      "updated_at": "2026-07-14T07:57:47.271350+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.0631,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6304,
          "output_tokens": 654,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 142407,
          "cost_amount": 3.085374599999999
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784003783588-d4c099708",
      "title": "Cluster 10400917620589115003",
      "url": "https://investibook.com/workspace/ws-1784003783588-d4c099708",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:36:23.588590+00:00",
      "updated_at": "2026-07-16T05:28:30.528510+00:00",
      "user_email": "yu.zheng@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "latency",
            "p99",
            "p999"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io",
          "iops",
          "raft"
        ],
        "message_count_used": 14,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.3508,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 9340,
          "output_tokens": 2087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96300,
          "cache_write_tokens": 1922,
          "cost_amount": 2.3910216
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 5,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784018129085-d38e8458c",
      "title": "检查一下这个集群 https://clinic.pingcap.com/portal/#/orgs/",
      "url": "https://investibook.com/workspace/ws-1784018129085-d38e8458c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:35:29.085535+00:00",
      "updated_at": "2026-07-14T08:36:37.268590+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "p99",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.1475,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10508,
          "output_tokens": 2884,
          "reasoning_tokens": 0,
          "cache_read_tokens": 92369,
          "cache_write_tokens": 170,
          "cost_amount": 2.20514625
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4546,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015928764-8c0e71ca8",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015928764-8c0e71ca8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:58:48.764126+00:00",
      "updated_at": "2026-07-14T07:58:48.764126+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.3698,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 24466,
          "output_tokens": 1028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 99254,
          "cache_write_tokens": 188,
          "cost_amount": 1.4567927999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:15:59.902290+00:00",
      "updated_at": "2026-07-14T15:15:59.902290+00:00",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "region",
          "sql",
          "tikv",
          "异常",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.913,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 10138,
          "output_tokens": 2130,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94551,
          "cache_write_tokens": 473,
          "cost_amount": 0.9554688000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025285049-0934d96a8",
      "title": "调查一下 O11Y-2615829 和 O11Y-2615830 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025285049-0934d96a8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:34:45.049532+00:00",
      "updated_at": "2026-07-14T10:36:26.936826+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7855,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4956,
          "output_tokens": 2311,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95174,
          "cache_write_tokens": 184,
          "cost_amount": 0.8039376000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025166636-f578091bd",
      "title": "调查一下 O11Y-2615826 和 O11Y-2615827 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025166636-f578091bd",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:32:46.636879+00:00",
      "updated_at": "2026-07-14T10:36:44.982819+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7028,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2566,
          "output_tokens": 1444,
          "reasoning_tokens": 0,
          "cache_read_tokens": 93365,
          "cache_write_tokens": 186,
          "cost_amount": 0.71583795
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783996124542-c30c8268a",
      "title": "tidb cloud 集群 1379661944646413605，需要把 tikv",
      "url": "https://investibook.com/workspace/ws-1783996124542-c30c8268a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:28:44.542261+00:00",
      "updated_at": "2026-07-14T02:35:24.087887+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6374,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1150,
          "output_tokens": 2043,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54419,
          "cache_write_tokens": 674,
          "cost_amount": 0.6444364500000002
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T00:54:10.330284+00:00",
      "updated_at": "2026-07-14T00:54:10.330284+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6143,
        "message_count": 15,
        "user_message_count": 5,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4972,
          "output_tokens": 2150,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57934,
          "cache_write_tokens": 3298,
          "cost_amount": 0.6345401999999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T13:45:57.498313+00:00",
      "updated_at": "2026-07-14T13:45:57.498313+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "执行计划"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5842,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2451,
          "output_tokens": 4179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 171212,
          "cache_write_tokens": 6976,
          "cost_amount": 0.5943984000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015802663-84eb0c9ff",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015802663-84eb0c9ff",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:56:42.663298+00:00",
      "updated_at": "2026-07-14T07:56:42.663298+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5139,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 9392,
          "output_tokens": 738,
          "reasoning_tokens": 0,
          "cache_read_tokens": 51626,
          "cache_write_tokens": 1515,
          "cost_amount": 0.5509228500000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020673350-9058cbd9c",
      "title": "https://tidb.atlassian.net/browse/TCID-12917",
      "url": "https://investibook.com/workspace/ws-1784020673350-9058cbd9c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:17:53.350754+00:00",
      "updated_at": "2026-07-14T09:19:17.359805+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4996,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1209,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64153,
          "cache_write_tokens": 262,
          "cost_amount": 0.49961114999999995
        },
        "message_categories": {
          "产出物迭代": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043822908-67b246a67",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043822908-67b246a67",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:43:42.908982+00:00",
      "updated_at": "2026-07-14T15:43:42.908982+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 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": [
          "物理集群",
          "逻辑集群"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4721,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2126,
          "output_tokens": 1407,
          "reasoning_tokens": 0,
          "cache_read_tokens": 48041,
          "cache_write_tokens": 312,
          "cost_amount": 0.48061934999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "title": "Lark O11Y-2615377",
      "url": "https://investibook.com/workspace/lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:57:20.338093+00:00",
      "updated_at": "2026-07-14T02:57:20.338093+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4228,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2532,
          "output_tokens": 881,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45008,
          "cache_write_tokens": 1069,
          "cost_amount": 0.43561934999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-4511543a-2e22-4f40-b057-f1a3d84b9107",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-4511543a-2e22-4f40-b057-f1a3d84b9107",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:55:16.433023+00:00",
      "updated_at": "2026-07-14T03:55:16.433023+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3854,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1175,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 32264,
          "cost_amount": 0.38544615000000004
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "ws-1784000853451-e178ba94e",
      "title": "https://tidb.atlassian.net/browse/TCID-12914",
      "url": "https://investibook.com/workspace/ws-1784000853451-e178ba94e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:47:33.451894+00:00",
      "updated_at": "2026-07-14T08:45:37.414253+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "cdc_or_replication_lag",
          "score": 3,
          "matched_terms": [
            "cdc",
            "changefeed",
            "ticdc"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3648,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 32,
          "input_tokens": 103599,
          "output_tokens": 4251,
          "reasoning_tokens": 0,
          "cache_read_tokens": 124066,
          "cache_write_tokens": 29896,
          "cost_amount": 4.2844164
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 5,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1783971416229-6ed39cf4c",
      "title": "O11Y-2615129 Fujitsu EKS Upgrade",
      "url": "https://investibook.com/workspace/ws-1783971416229-6ed39cf4c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T19:36:56.229971+00:00",
      "updated_at": "2026-07-17T01:50:29.238973+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "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": [
          "provider",
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3326,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 711,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30760,
          "cache_write_tokens": 791,
          "cost_amount": 0.33258719999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020009243-92af25bf7",
      "title": "TCID-12916",
      "url": "https://investibook.com/workspace/ws-1784020009243-92af25bf7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:06:49.243725+00:00",
      "updated_at": "2026-07-14T09:06:58.336369+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3051,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 684,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23609,
          "cost_amount": 0.30513555
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-27b1c575-08ca-409b-92e3-c714b5364b5e",
      "title": "Lark O11Y-2615132",
      "url": "https://investibook.com/workspace/lark-ws-27b1c575-08ca-409b-92e3-c714b5364b5e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T18:05:23.838681+00:00",
      "updated_at": "2026-07-13T18:05:23.838681+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2864,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 2085,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 31077,
          "cost_amount": 0.28637175
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-54cd664b-7da9-48db-825c-b8476916cd77",
      "title": "Lark O11Y-2615177",
      "url": "https://investibook.com/workspace/lark-ws-54cd664b-7da9-48db-825c-b8476916cd77",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T19:17:18.203759+00:00",
      "updated_at": "2026-07-13T19:17:18.203759+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2064,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 2847,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26506,
          "cache_write_tokens": 3021,
          "cost_amount": 0.20643585
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784021571089-a885ba1ea",
      "title": "客户表示不小心删掉了这个集群 10599252269965530862",
      "url": "https://investibook.com/workspace/ws-1784021571089-a885ba1ea",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:32:51.089733+00:00",
      "updated_at": "2026-07-14T09:34:51.338050+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": "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": [
          "backup",
          "restore"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1885,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1007,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 19961,
          "cost_amount": 0.18849465
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-f63933c69e2c3dd7cd9c430994c7f1a4",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-f63933c69e2c3dd7cd9c430994c7f1a4",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T14:51:21.856172+00:00",
      "updated_at": "2026-07-14T14:51:21.856172+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1808,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1136,
          "reasoning_tokens": 0,
          "cache_read_tokens": 28457,
          "cache_write_tokens": 4296,
          "cost_amount": 0.18080715
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-20f76aa9-8baf-4a21-a474-136f3d403e50",
      "title": "Lark TCID-12917",
      "url": "https://investibook.com/workspace/lark-ws-20f76aa9-8baf-4a21-a474-136f3d403e50",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:47:14.182883+00:00",
      "updated_at": "2026-07-14T09:47:14.182883+00:00",
      "user_email": "looperth.wong@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "optimizer",
          "query",
          "slow query",
          "sql",
          "执行计划"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1339,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 20005,
          "cache_write_tokens": 417,
          "cost_amount": 0.1339032
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-3f4b837f-543c-4040-9658-15dabb04a38d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-3f4b837f-543c-4040-9658-15dabb04a38d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T01:50:07.495397+00:00",
      "updated_at": "2026-07-14T01:50:07.495397+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1203,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2048,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23885,
          "cost_amount": 0.12031875
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-f79e1c2f-5924-4b71-ae31-dbed1939283a",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-f79e1c2f-5924-4b71-ae31-dbed1939283a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T12:16:08.532802+00:00",
      "updated_at": "2026-07-14T12:16:08.532802+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.116,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 867,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18987,
          "cache_write_tokens": 6459,
          "cost_amount": 0.1160016
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-67ff4ad3-4965-4787-96ec-13f99e0f2239",
      "title": "Lark O11Y-2615129",
      "url": "https://investibook.com/workspace/lark-ws-67ff4ad3-4965-4787-96ec-13f99e0f2239",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T18:02:33.701045+00:00",
      "updated_at": "2026-07-13T18:02:33.701045+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1146,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 829,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18546,
          "cache_write_tokens": 2867,
          "cost_amount": 0.11455635
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-bd8e58c0-a4b8-4bc7-b9d6-b3b55f765a7d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-bd8e58c0-a4b8-4bc7-b9d6-b3b55f765a7d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T14:43:50.359290+00:00",
      "updated_at": "2026-07-14T14:43:50.359290+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "scan"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "index",
          "io",
          "operator",
          "rocksdb",
          "scan",
          "timestamp"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1058,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2399,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 18607,
          "cost_amount": 0.10579125
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015928764-8c0e71ca8",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015928764-8c0e71ca8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:58:48.764126+00:00",
      "updated_at": "2026-07-14T07:58:48.764126+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.087,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 24466,
          "output_tokens": 1028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 99254,
          "cache_write_tokens": 188,
          "cost_amount": 1.4567927999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "ws-1784017435488-01e9b9548",
      "title": "下面这个 grafana 监控链接对应集群的 clinic",
      "url": "https://investibook.com/workspace/ws-1784017435488-01e9b9548",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:23:55.488217+00:00",
      "updated_at": "2026-07-14T08:24:30.974593+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "plan"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0729,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 460,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 17588,
          "cost_amount": 0.072885
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784018129085-d38e8458c",
      "title": "检查一下这个集群 https://clinic.pingcap.com/portal/#/orgs/",
      "url": "https://investibook.com/workspace/ws-1784018129085-d38e8458c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:35:29.085535+00:00",
      "updated_at": "2026-07-14T08:36:37.268590+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "p99",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0577,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10508,
          "output_tokens": 2884,
          "reasoning_tokens": 0,
          "cache_read_tokens": 92369,
          "cache_write_tokens": 170,
          "cost_amount": 2.20514625
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:15:59.902290+00:00",
      "updated_at": "2026-07-14T15:15:59.902290+00:00",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "region",
          "sql",
          "tikv",
          "异常",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0425,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 10138,
          "output_tokens": 2130,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94551,
          "cache_write_tokens": 473,
          "cost_amount": 0.9554688000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784003783588-d4c099708",
      "title": "Cluster 10400917620589115003",
      "url": "https://investibook.com/workspace/ws-1784003783588-d4c099708",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:36:23.588590+00:00",
      "updated_at": "2026-07-16T05:28:30.528510+00:00",
      "user_email": "yu.zheng@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "latency",
            "p99",
            "p999"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io",
          "iops",
          "raft"
        ],
        "message_count_used": 14,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0403,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 9340,
          "output_tokens": 2087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96300,
          "cache_write_tokens": 1922,
          "cost_amount": 2.3910216
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 5,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015802663-84eb0c9ff",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015802663-84eb0c9ff",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:56:42.663298+00:00",
      "updated_at": "2026-07-14T07:56:42.663298+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.037,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 9392,
          "output_tokens": 738,
          "reasoning_tokens": 0,
          "cache_read_tokens": 51626,
          "cache_write_tokens": 1515,
          "cost_amount": 0.5509228500000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0253,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015867271-93c237531",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015867271-93c237531",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:57:47.271350+00:00",
      "updated_at": "2026-07-14T07:57:47.271350+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0223,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6304,
          "output_tokens": 654,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 142407,
          "cost_amount": 3.085374599999999
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T00:54:10.330284+00:00",
      "updated_at": "2026-07-14T00:54:10.330284+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0202,
        "message_count": 15,
        "user_message_count": 5,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4972,
          "output_tokens": 2150,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57934,
          "cache_write_tokens": 3298,
          "cost_amount": 0.6345401999999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025285049-0934d96a8",
      "title": "调查一下 O11Y-2615829 和 O11Y-2615830 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025285049-0934d96a8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:34:45.049532+00:00",
      "updated_at": "2026-07-14T10:36:26.936826+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0184,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4956,
          "output_tokens": 2311,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95174,
          "cache_write_tokens": 184,
          "cost_amount": 0.8039376000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "channel": "image-send",
      "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": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0178,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025166636-f578091bd",
      "title": "调查一下 O11Y-2615826 和 O11Y-2615827 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025166636-f578091bd",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:32:46.636879+00:00",
      "updated_at": "2026-07-14T10:36:44.982819+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0131,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2566,
          "output_tokens": 1444,
          "reasoning_tokens": 0,
          "cache_read_tokens": 93365,
          "cache_write_tokens": 186,
          "cost_amount": 0.71583795
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "title": "Lark O11Y-2615377",
      "url": "https://investibook.com/workspace/lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:57:20.338093+00:00",
      "updated_at": "2026-07-14T02:57:20.338093+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0128,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2532,
          "output_tokens": 881,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45008,
          "cache_write_tokens": 1069,
          "cost_amount": 0.43561934999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0109,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T13:45:57.498313+00:00",
      "updated_at": "2026-07-14T13:45:57.498313+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "执行计划"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0102,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2451,
          "output_tokens": 4179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 171212,
          "cache_write_tokens": 6976,
          "cost_amount": 0.5943984000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043822908-67b246a67",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043822908-67b246a67",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:43:42.908982+00:00",
      "updated_at": "2026-07-14T15:43:42.908982+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 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": [
          "物理集群",
          "逻辑集群"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0085,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2126,
          "output_tokens": 1407,
          "reasoning_tokens": 0,
          "cache_read_tokens": 48041,
          "cache_write_tokens": 312,
          "cost_amount": 0.48061934999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783996124542-c30c8268a",
      "title": "tidb cloud 集群 1379661944646413605，需要把 tikv",
      "url": "https://investibook.com/workspace/ws-1783996124542-c30c8268a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:28:44.542261+00:00",
      "updated_at": "2026-07-14T02:35:24.087887+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0071,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1150,
          "output_tokens": 2043,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54419,
          "cache_write_tokens": 674,
          "cost_amount": 0.6444364500000002
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0067,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-54ef61be-f71d-4882-9f0a-04a8758c955d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-54ef61be-f71d-4882-9f0a-04a8758c955d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T06:46:48.907412+00:00",
      "updated_at": "2026-07-14T06:46:48.907412+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "p99"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015407841-2c1a7ef2a",
      "title": "O11Y-2615630 / O11Y-2615631",
      "url": "https://investibook.com/workspace/ws-1784015407841-2c1a7ef2a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:50:07.841063+00:00",
      "updated_at": "2026-07-14T07:51:03.852502+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "unknown",
      "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,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020720461-a5399dec5",
      "title": "TCID-12917",
      "url": "https://investibook.com/workspace/ws-1784020720461-a5399dec5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:18:40.461637+00:00",
      "updated_at": "2026-07-14T09:18:49.080050+00:00",
      "user_email": "chunlu.zhang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "optimizer",
          "plan"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784022069058-f1142ebd0",
      "title": "TCOC-5589",
      "url": "https://investibook.com/workspace/ws-1784022069058-f1142ebd0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:41:09.058113+00:00",
      "updated_at": "2026-07-14T09:41:18.357991+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "ticdc"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-pro-new-1784012547025-862a57",
      "title": "prod repro for fresh pro session",
      "url": "https://investibook.com/workspace/ws-pro-new-1784012547025-862a57",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:02:27.025921+00:00",
      "updated_at": "2026-07-14T07:02:27.025921+00:00",
      "user_email": "",
      "team_path": "",
      "team": "",
      "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {},
        "message_categories": {
          "产出物迭代": 1,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-pro-repro-1784011117308-e3f74e",
      "title": "prod repro for pro-switch empty completion",
      "url": "https://investibook.com/workspace/ws-pro-repro-1784011117308-e3f74e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T06:38:37.308545+00:00",
      "updated_at": "2026-07-14T06:38:37.308545+00:00",
      "user_email": "",
      "team_path": "",
      "team": "",
      "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_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "故障"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "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,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1783903153993-a177bfce9",
      "title": "TCID-12879 Mercari store.limit",
      "url": "https://investibook.com/workspace/ws-1783903153993-a177bfce9",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:39:13.993536+00:00",
      "updated_at": "2026-07-27T01:04:41.602905+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,
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "resource_control_or_capacity": 1,
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 5,
          "matched_terms": [
            "evict",
            "leader",
            "operator",
            "pd",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "witness"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "cpu",
          "evict",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scale",
          "snapshot",
          "tikv",
          "witness",
          "スケジューリング"
        ],
        "message_count_used": 68,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.8122,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 873,
          "output_tokens": 315,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64656,
          "cache_write_tokens": 0,
          "cost_amount": 3.8195165999999996
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 5,
          "Ad hoc 查询": 8,
          "解释追问": 1,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784014051030-87b005be3",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784014051030-87b005be3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.4098,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 47,
          "input_tokens": 12200,
          "output_tokens": 342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 121244,
          "cache_write_tokens": 1756,
          "cost_amount": 3.4467440999999996
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.7411,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6245,
        "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": 6874,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245373000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783665442111-81630d590",
      "title": "2603 升级 post check",
      "url": "https://investibook.com/workspace/ws-1783665442111-81630d590",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-10T06:37:22.111371+00:00",
      "updated_at": "2026-07-14T09:57:47.101247+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "oom"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5543,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6306,
          "output_tokens": 169,
          "reasoning_tokens": 0,
          "cache_read_tokens": 129862,
          "cache_write_tokens": 0,
          "cost_amount": 0.5757208500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783823284781-0ae0cca34",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1783823284781-0ae0cca34",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-12T02:28:04.781256+00:00",
      "updated_at": "2026-07-12T02:28:04.781256+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4287,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 47,
          "reasoning_tokens": 0,
          "cache_read_tokens": 11184,
          "cache_write_tokens": 0,
          "cost_amount": 0.42873764999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783959900381-c065ed33e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783959900381-c065ed33e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4229,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1039,
          "output_tokens": 978,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44802,
          "cache_write_tokens": 1167,
          "cost_amount": 0.42602249999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1784015118559-1763dd8cc",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784015118559-1763dd8cc",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data 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": 0.261,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2101,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29341,
          "cache_write_tokens": 22226,
          "cost_amount": 0.26103615
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-5b0aca0e-274c-4e37-b864-99da7abc1e0a",
      "title": "Lark APID-29179",
      "url": "https://investibook.com/workspace/lark-ws-5b0aca0e-274c-4e37-b864-99da7abc1e0a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T05:12:01.924339+00:00",
      "updated_at": "2026-07-13T05:12:01.924339+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "draft",
            "客户回复"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "raft"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1418,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1031,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25915,
          "cache_write_tokens": 776,
          "cost_amount": 0.14176485
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783962556262-bb6f1c2b8",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783962556262-bb6f1c2b8",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1153,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1367,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17358,
          "cache_write_tokens": 1332,
          "cost_amount": 0.1152849
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0745,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784014051030-87b005be3",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784014051030-87b005be3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "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": 0.0369,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 47,
          "input_tokens": 12200,
          "output_tokens": 342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 121244,
          "cache_write_tokens": 1756,
          "cost_amount": 3.4467440999999996
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0285,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1783665442111-81630d590",
      "title": "2603 升级 post check",
      "url": "https://investibook.com/workspace/ws-1783665442111-81630d590",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-10T06:37:22.111371+00:00",
      "updated_at": "2026-07-14T09:57:47.101247+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "oom"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0215,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6306,
          "output_tokens": 169,
          "reasoning_tokens": 0,
          "cache_read_tokens": 129862,
          "cache_write_tokens": 0,
          "cost_amount": 0.5757208500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783903153993-a177bfce9",
      "title": "TCID-12879 Mercari store.limit",
      "url": "https://investibook.com/workspace/ws-1783903153993-a177bfce9",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:39:13.993536+00:00",
      "updated_at": "2026-07-27T01:04:41.602905+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "resource_control_or_capacity": 1,
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 5,
          "matched_terms": [
            "evict",
            "leader",
            "operator",
            "pd",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "witness"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "cpu",
          "evict",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scale",
          "snapshot",
          "tikv",
          "witness",
          "スケジューリング"
        ],
        "message_count_used": 68,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0073,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 873,
          "output_tokens": 315,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64656,
          "cache_write_tokens": 0,
          "cost_amount": 3.8195165999999996
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 5,
          "Ad hoc 查询": 8,
          "解释追问": 1,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1783959900381-c065ed33e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783959900381-c065ed33e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "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": 0.0031,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1039,
          "output_tokens": 978,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44802,
          "cache_write_tokens": 1167,
          "cost_amount": 0.42602249999999997
        },
        "message_categories": {}
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1784000853451-e178ba94e",
      "title": "https://tidb.atlassian.net/browse/TCID-12914",
      "url": "https://investibook.com/workspace/ws-1784000853451-e178ba94e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:47:33.451894+00:00",
      "updated_at": "2026-07-14T08:45:37.414253+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cdc_or_replication_lag",
          "score": 3,
          "matched_terms": [
            "cdc",
            "changefeed",
            "ticdc"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.9196,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 32,
          "input_tokens": 103599,
          "output_tokens": 4251,
          "reasoning_tokens": 0,
          "cache_read_tokens": 124066,
          "cache_write_tokens": 29896,
          "cost_amount": 4.2844164
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 5,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1783903153993-a177bfce9",
      "title": "TCID-12879 Mercari store.limit",
      "url": "https://investibook.com/workspace/ws-1783903153993-a177bfce9",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:39:13.993536+00:00",
      "updated_at": "2026-07-27T01:04:41.602905+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,
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "resource_control_or_capacity": 1,
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 5,
          "matched_terms": [
            "evict",
            "leader",
            "operator",
            "pd",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "witness"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "cpu",
          "evict",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scale",
          "snapshot",
          "tikv",
          "witness",
          "スケジューリング"
        ],
        "message_count_used": 68,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.8122,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 873,
          "output_tokens": 315,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64656,
          "cache_write_tokens": 0,
          "cost_amount": 3.8195165999999996
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 5,
          "Ad hoc 查询": 8,
          "解释追问": 1,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784014051030-87b005be3",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784014051030-87b005be3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.4098,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 47,
          "input_tokens": 12200,
          "output_tokens": 342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 121244,
          "cache_write_tokens": 1756,
          "cost_amount": 3.4467440999999996
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "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": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.2387,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015867271-93c237531",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015867271-93c237531",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:57:47.271350+00:00",
      "updated_at": "2026-07-14T07:57:47.271350+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.0631,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6304,
          "output_tokens": 654,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 142407,
          "cost_amount": 3.085374599999999
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.7411,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784003783588-d4c099708",
      "title": "Cluster 10400917620589115003",
      "url": "https://investibook.com/workspace/ws-1784003783588-d4c099708",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:36:23.588590+00:00",
      "updated_at": "2026-07-16T05:28:30.528510+00:00",
      "user_email": "yu.zheng@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "latency",
            "p99",
            "p999"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io",
          "iops",
          "raft"
        ],
        "message_count_used": 14,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.3508,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 9340,
          "output_tokens": 2087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96300,
          "cache_write_tokens": 1922,
          "cost_amount": 2.3910216
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 5,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784018129085-d38e8458c",
      "title": "检查一下这个集群 https://clinic.pingcap.com/portal/#/orgs/",
      "url": "https://investibook.com/workspace/ws-1784018129085-d38e8458c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:35:29.085535+00:00",
      "updated_at": "2026-07-14T08:36:37.268590+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "p99",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.1475,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10508,
          "output_tokens": 2884,
          "reasoning_tokens": 0,
          "cache_read_tokens": 92369,
          "cache_write_tokens": 170,
          "cost_amount": 2.20514625
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4546,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015928764-8c0e71ca8",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015928764-8c0e71ca8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:58:48.764126+00:00",
      "updated_at": "2026-07-14T07:58:48.764126+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.3698,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 24466,
          "output_tokens": 1028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 99254,
          "cache_write_tokens": 188,
          "cost_amount": 1.4567927999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:15:59.902290+00:00",
      "updated_at": "2026-07-14T15:15:59.902290+00:00",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "region",
          "sql",
          "tikv",
          "异常",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.913,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 10138,
          "output_tokens": 2130,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94551,
          "cache_write_tokens": 473,
          "cost_amount": 0.9554688000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025285049-0934d96a8",
      "title": "调查一下 O11Y-2615829 和 O11Y-2615830 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025285049-0934d96a8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:34:45.049532+00:00",
      "updated_at": "2026-07-14T10:36:26.936826+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7855,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4956,
          "output_tokens": 2311,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95174,
          "cache_write_tokens": 184,
          "cost_amount": 0.8039376000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025166636-f578091bd",
      "title": "调查一下 O11Y-2615826 和 O11Y-2615827 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025166636-f578091bd",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:32:46.636879+00:00",
      "updated_at": "2026-07-14T10:36:44.982819+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7028,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2566,
          "output_tokens": 1444,
          "reasoning_tokens": 0,
          "cache_read_tokens": 93365,
          "cache_write_tokens": 186,
          "cost_amount": 0.71583795
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783996124542-c30c8268a",
      "title": "tidb cloud 集群 1379661944646413605，需要把 tikv",
      "url": "https://investibook.com/workspace/ws-1783996124542-c30c8268a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:28:44.542261+00:00",
      "updated_at": "2026-07-14T02:35:24.087887+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": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6374,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1150,
          "output_tokens": 2043,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54419,
          "cache_write_tokens": 674,
          "cost_amount": 0.6444364500000002
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6245,
        "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": 6874,
          "cache_write_tokens": 0,
          "cost_amount": 0.6245373000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T00:54:10.330284+00:00",
      "updated_at": "2026-07-14T00:54:10.330284+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6143,
        "message_count": 15,
        "user_message_count": 5,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4972,
          "output_tokens": 2150,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57934,
          "cache_write_tokens": 3298,
          "cost_amount": 0.6345401999999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T13:45:57.498313+00:00",
      "updated_at": "2026-07-14T13:45:57.498313+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "执行计划"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5842,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2451,
          "output_tokens": 4179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 171212,
          "cache_write_tokens": 6976,
          "cost_amount": 0.5943984000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783665442111-81630d590",
      "title": "2603 升级 post check",
      "url": "https://investibook.com/workspace/ws-1783665442111-81630d590",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-10T06:37:22.111371+00:00",
      "updated_at": "2026-07-14T09:57:47.101247+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "oom"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5543,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6306,
          "output_tokens": 169,
          "reasoning_tokens": 0,
          "cache_read_tokens": 129862,
          "cache_write_tokens": 0,
          "cost_amount": 0.5757208500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015802663-84eb0c9ff",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015802663-84eb0c9ff",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:56:42.663298+00:00",
      "updated_at": "2026-07-14T07:56:42.663298+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5139,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 9392,
          "output_tokens": 738,
          "reasoning_tokens": 0,
          "cache_read_tokens": 51626,
          "cache_write_tokens": 1515,
          "cost_amount": 0.5509228500000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020673350-9058cbd9c",
      "title": "https://tidb.atlassian.net/browse/TCID-12917",
      "url": "https://investibook.com/workspace/ws-1784020673350-9058cbd9c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:17:53.350754+00:00",
      "updated_at": "2026-07-14T09:19:17.359805+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4996,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1209,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64153,
          "cache_write_tokens": 262,
          "cost_amount": 0.49961114999999995
        },
        "message_categories": {
          "产出物迭代": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043822908-67b246a67",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043822908-67b246a67",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:43:42.908982+00:00",
      "updated_at": "2026-07-14T15:43:42.908982+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 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": [
          "物理集群",
          "逻辑集群"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4721,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2126,
          "output_tokens": 1407,
          "reasoning_tokens": 0,
          "cache_read_tokens": 48041,
          "cache_write_tokens": 312,
          "cost_amount": 0.48061934999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783823284781-0ae0cca34",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1783823284781-0ae0cca34",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-12T02:28:04.781256+00:00",
      "updated_at": "2026-07-12T02:28:04.781256+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4287,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 47,
          "reasoning_tokens": 0,
          "cache_read_tokens": 11184,
          "cache_write_tokens": 0,
          "cost_amount": 0.42873764999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783959900381-c065ed33e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783959900381-c065ed33e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4229,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1039,
          "output_tokens": 978,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44802,
          "cache_write_tokens": 1167,
          "cost_amount": 0.42602249999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "title": "Lark O11Y-2615377",
      "url": "https://investibook.com/workspace/lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:57:20.338093+00:00",
      "updated_at": "2026-07-14T02:57:20.338093+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4228,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2532,
          "output_tokens": 881,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45008,
          "cache_write_tokens": 1069,
          "cost_amount": 0.43561934999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-4511543a-2e22-4f40-b057-f1a3d84b9107",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-4511543a-2e22-4f40-b057-f1a3d84b9107",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:55:16.433023+00:00",
      "updated_at": "2026-07-14T03:55:16.433023+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3854,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1175,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 32264,
          "cost_amount": 0.38544615000000004
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "ws-1784000853451-e178ba94e",
      "title": "https://tidb.atlassian.net/browse/TCID-12914",
      "url": "https://investibook.com/workspace/ws-1784000853451-e178ba94e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T03:47:33.451894+00:00",
      "updated_at": "2026-07-14T08:45:37.414253+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "cdc_or_replication_lag",
          "score": 3,
          "matched_terms": [
            "cdc",
            "changefeed",
            "ticdc"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 20,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3648,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 32,
          "input_tokens": 103599,
          "output_tokens": 4251,
          "reasoning_tokens": 0,
          "cache_read_tokens": 124066,
          "cache_write_tokens": 29896,
          "cost_amount": 4.2844164
        },
        "message_categories": {
          "产出物迭代": 4,
          "Ad hoc 查询": 5,
          "解释追问": 2,
          "流程控制/确认": 1,
          "背景补充": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1783971416229-6ed39cf4c",
      "title": "O11Y-2615129 Fujitsu EKS Upgrade",
      "url": "https://investibook.com/workspace/ws-1783971416229-6ed39cf4c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T19:36:56.229971+00:00",
      "updated_at": "2026-07-17T01:50:29.238973+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "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": [
          "provider",
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3326,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 711,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30760,
          "cache_write_tokens": 791,
          "cost_amount": 0.33258719999999997
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020009243-92af25bf7",
      "title": "TCID-12916",
      "url": "https://investibook.com/workspace/ws-1784020009243-92af25bf7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:06:49.243725+00:00",
      "updated_at": "2026-07-14T09:06:58.336369+00:00",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3051,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 684,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23609,
          "cost_amount": 0.30513555
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-27b1c575-08ca-409b-92e3-c714b5364b5e",
      "title": "Lark O11Y-2615132",
      "url": "https://investibook.com/workspace/lark-ws-27b1c575-08ca-409b-92e3-c714b5364b5e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T18:05:23.838681+00:00",
      "updated_at": "2026-07-13T18:05:23.838681+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2864,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 2085,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 31077,
          "cost_amount": 0.28637175
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015118559-1763dd8cc",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784015118559-1763dd8cc",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data 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": 0.261,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2101,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29341,
          "cache_write_tokens": 22226,
          "cost_amount": 0.26103615
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-54cd664b-7da9-48db-825c-b8476916cd77",
      "title": "Lark O11Y-2615177",
      "url": "https://investibook.com/workspace/lark-ws-54cd664b-7da9-48db-825c-b8476916cd77",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T19:17:18.203759+00:00",
      "updated_at": "2026-07-13T19:17:18.203759+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2064,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 2847,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26506,
          "cache_write_tokens": 3021,
          "cost_amount": 0.20643585
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784021571089-a885ba1ea",
      "title": "客户表示不小心删掉了这个集群 10599252269965530862",
      "url": "https://investibook.com/workspace/ws-1784021571089-a885ba1ea",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:32:51.089733+00:00",
      "updated_at": "2026-07-14T09:34:51.338050+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": "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": [
          "backup",
          "restore"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1885,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1007,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 19961,
          "cost_amount": 0.18849465
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-f63933c69e2c3dd7cd9c430994c7f1a4",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-f63933c69e2c3dd7cd9c430994c7f1a4",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T14:51:21.856172+00:00",
      "updated_at": "2026-07-14T14:51:21.856172+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1808,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1136,
          "reasoning_tokens": 0,
          "cache_read_tokens": 28457,
          "cache_write_tokens": 4296,
          "cost_amount": 0.18080715
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5b0aca0e-274c-4e37-b864-99da7abc1e0a",
      "title": "Lark APID-29179",
      "url": "https://investibook.com/workspace/lark-ws-5b0aca0e-274c-4e37-b864-99da7abc1e0a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T05:12:01.924339+00:00",
      "updated_at": "2026-07-13T05:12:01.924339+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "draft",
            "客户回复"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "raft"
        ],
        "message_count_used": 13,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1418,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1031,
          "reasoning_tokens": 0,
          "cache_read_tokens": 25915,
          "cache_write_tokens": 776,
          "cost_amount": 0.14176485
        },
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-20f76aa9-8baf-4a21-a474-136f3d403e50",
      "title": "Lark TCID-12917",
      "url": "https://investibook.com/workspace/lark-ws-20f76aa9-8baf-4a21-a474-136f3d403e50",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:47:14.182883+00:00",
      "updated_at": "2026-07-14T09:47:14.182883+00:00",
      "user_email": "looperth.wong@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "optimizer",
          "query",
          "slow query",
          "sql",
          "执行计划"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1339,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 2179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 20005,
          "cache_write_tokens": 417,
          "cost_amount": 0.1339032
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-3f4b837f-543c-4040-9658-15dabb04a38d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-3f4b837f-543c-4040-9658-15dabb04a38d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T01:50:07.495397+00:00",
      "updated_at": "2026-07-14T01:50:07.495397+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1203,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2048,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 23885,
          "cost_amount": 0.12031875
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-f79e1c2f-5924-4b71-ae31-dbed1939283a",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-f79e1c2f-5924-4b71-ae31-dbed1939283a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T12:16:08.532802+00:00",
      "updated_at": "2026-07-14T12:16:08.532802+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.116,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 867,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18987,
          "cache_write_tokens": 6459,
          "cost_amount": 0.1160016
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783962556262-bb6f1c2b8",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783962556262-bb6f1c2b8",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1153,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1367,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17358,
          "cache_write_tokens": 1332,
          "cost_amount": 0.1152849
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-67ff4ad3-4965-4787-96ec-13f99e0f2239",
      "title": "Lark O11Y-2615129",
      "url": "https://investibook.com/workspace/lark-ws-67ff4ad3-4965-4787-96ec-13f99e0f2239",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-13T18:02:33.701045+00:00",
      "updated_at": "2026-07-13T18:02:33.701045+00:00",
      "user_email": "zhitao.chen@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1146,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 829,
          "reasoning_tokens": 0,
          "cache_read_tokens": 18546,
          "cache_write_tokens": 2867,
          "cost_amount": 0.11455635
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-bd8e58c0-a4b8-4bc7-b9d6-b3b55f765a7d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-bd8e58c0-a4b8-4bc7-b9d6-b3b55f765a7d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T14:43:50.359290+00:00",
      "updated_at": "2026-07-14T14:43:50.359290+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1,
        "sql_plan_or_query": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "scan"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "index",
          "io",
          "operator",
          "rocksdb",
          "scan",
          "timestamp"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1058,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 2399,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 18607,
          "cost_amount": 0.10579125
        },
        "message_categories": {
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015928764-8c0e71ca8",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015928764-8c0e71ca8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:58:48.764126+00:00",
      "updated_at": "2026-07-14T07:58:48.764126+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.087,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 24466,
          "output_tokens": 1028,
          "reasoning_tokens": 0,
          "cache_read_tokens": 99254,
          "cache_write_tokens": 188,
          "cost_amount": 1.4567927999999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0745,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784017435488-01e9b9548",
      "title": "下面这个 grafana 监控链接对应集群的 clinic",
      "url": "https://investibook.com/workspace/ws-1784017435488-01e9b9548",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:23:55.488217+00:00",
      "updated_at": "2026-07-14T08:24:30.974593+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "plan"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0729,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 460,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 17588,
          "cost_amount": 0.072885
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784018129085-d38e8458c",
      "title": "检查一下这个集群 https://clinic.pingcap.com/portal/#/orgs/",
      "url": "https://investibook.com/workspace/ws-1784018129085-d38e8458c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T08:35:29.085535+00:00",
      "updated_at": "2026-07-14T08:36:37.268590+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "gc_or_allocator_pressure",
      "scenario_category_counts": {
        "gc_or_allocator_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "p99",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "gc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0577,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10508,
          "output_tokens": 2884,
          "reasoning_tokens": 0,
          "cache_read_tokens": 92369,
          "cache_write_tokens": 170,
          "cost_amount": 2.20514625
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c0797be8-8a21-4b85-af9f-e19fe6942d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:15:59.902290+00:00",
      "updated_at": "2026-07-14T15:15:59.902290+00:00",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "region",
          "sql",
          "tikv",
          "异常",
          "重启"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0425,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 10138,
          "output_tokens": 2130,
          "reasoning_tokens": 0,
          "cache_read_tokens": 94551,
          "cache_write_tokens": 473,
          "cost_amount": 0.9554688000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 3,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784003783588-d4c099708",
      "title": "Cluster 10400917620589115003",
      "url": "https://investibook.com/workspace/ws-1784003783588-d4c099708",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:36:23.588590+00:00",
      "updated_at": "2026-07-16T05:28:30.528510+00:00",
      "user_email": "yu.zheng@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "latency",
            "p99",
            "p999"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io",
          "iops",
          "raft"
        ],
        "message_count_used": 14,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0403,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 13,
          "input_tokens": 9340,
          "output_tokens": 2087,
          "reasoning_tokens": 0,
          "cache_read_tokens": 96300,
          "cache_write_tokens": 1922,
          "cost_amount": 2.3910216
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 5,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015802663-84eb0c9ff",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015802663-84eb0c9ff",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:56:42.663298+00:00",
      "updated_at": "2026-07-14T07:56:42.663298+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.037,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 9392,
          "output_tokens": 738,
          "reasoning_tokens": 0,
          "cache_read_tokens": 51626,
          "cache_write_tokens": 1515,
          "cost_amount": 0.5509228500000001
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784014051030-87b005be3",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784014051030-87b005be3",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "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": 0.0369,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 47,
          "input_tokens": 12200,
          "output_tokens": 342,
          "reasoning_tokens": 0,
          "cache_read_tokens": 121244,
          "cache_write_tokens": 1756,
          "cost_amount": 3.4467440999999996
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "url": "https://investibook.com/workspace/ws-1783904081611-2cf7538fa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:54:41.611112+00:00",
      "updated_at": "2026-07-13T01:04:30.449421+00:00",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1,
        "cluster_topology_or_scaling": 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": [
            "coprocess",
            "coprocessor",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduling",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor",
          "cpu",
          "pd",
          "scale",
          "scaling",
          "scheduling",
          "tikv",
          "tso"
        ],
        "message_count_used": 26,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0285,
        "message_count": 44,
        "user_message_count": 22,
        "assistant_message_count": 22,
        "token_usage": {
          "interaction_records": 46,
          "input_tokens": 24589,
          "output_tokens": 2575,
          "reasoning_tokens": 0,
          "cache_read_tokens": 3456,
          "cache_write_tokens": 0,
          "cost_amount": 2.8441203
        },
        "message_categories": {
          "查询纠偏": 2,
          "产出物迭代": 1,
          "Ad hoc 查询": 8,
          "解释追问": 5,
          "流程控制/确认": 2,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0253,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015867271-93c237531",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784015867271-93c237531",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:57:47.271350+00:00",
      "updated_at": "2026-07-14T07:57:47.271350+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 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": [
          "import",
          "importinto"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0223,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 6304,
          "output_tokens": 654,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 142407,
          "cost_amount": 3.085374599999999
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783665442111-81630d590",
      "title": "2603 升级 post check",
      "url": "https://investibook.com/workspace/ws-1783665442111-81630d590",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-10T06:37:22.111371+00:00",
      "updated_at": "2026-07-14T09:57:47.101247+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "oom"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0215,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6306,
          "output_tokens": 169,
          "reasoning_tokens": 0,
          "cache_read_tokens": 129862,
          "cache_write_tokens": 0,
          "cost_amount": 0.5757208500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-de2aabf2-05e3-4642-8832-a0dfd009fe74",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T00:54:10.330284+00:00",
      "updated_at": "2026-07-14T00:54:10.330284+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0202,
        "message_count": 15,
        "user_message_count": 5,
        "assistant_message_count": 10,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 4972,
          "output_tokens": 2150,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57934,
          "cache_write_tokens": 3298,
          "cost_amount": 0.6345401999999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025285049-0934d96a8",
      "title": "调查一下 O11Y-2615829 和 O11Y-2615830 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025285049-0934d96a8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:34:45.049532+00:00",
      "updated_at": "2026-07-14T10:36:26.936826+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0184,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 4956,
          "output_tokens": 2311,
          "reasoning_tokens": 0,
          "cache_read_tokens": 95174,
          "cache_write_tokens": 184,
          "cost_amount": 0.8039376000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "channel": "image-send",
      "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": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0178,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784025166636-f578091bd",
      "title": "调查一下 O11Y-2615826 和 O11Y-2615827 报警的原因",
      "url": "https://investibook.com/workspace/ws-1784025166636-f578091bd",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T10:32:46.636879+00:00",
      "updated_at": "2026-07-14T10:36:44.982819+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0131,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2566,
          "output_tokens": 1444,
          "reasoning_tokens": 0,
          "cache_read_tokens": 93365,
          "cache_write_tokens": 186,
          "cost_amount": 0.71583795
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "title": "Lark O11Y-2615377",
      "url": "https://investibook.com/workspace/lark-ws-95b94a4c-7eeb-47e4-8280-8b903610b432",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:57:20.338093+00:00",
      "updated_at": "2026-07-14T02:57:20.338093+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0128,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 2532,
          "output_tokens": 881,
          "reasoning_tokens": 0,
          "cache_read_tokens": 45008,
          "cache_write_tokens": 1069,
          "cost_amount": 0.43561934999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043239656-8fa691b73",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043239656-8fa691b73",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:33:59.656162+00:00",
      "updated_at": "2026-07-14T15:33:59.656162+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 3,
          "matched_terms": [
            "region",
            "tenant",
            "指标"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0109,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 7790,
          "output_tokens": 2724,
          "reasoning_tokens": 0,
          "cache_read_tokens": 106201,
          "cache_write_tokens": 13088,
          "cost_amount": 1.4907629999999998
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-651a9996-64e6-4f05-8888-a9303c8fc342",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T13:45:57.498313+00:00",
      "updated_at": "2026-07-14T13:45:57.498313+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "disk",
            "io",
            "rocksdb"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "执行计划"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0102,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2451,
          "output_tokens": 4179,
          "reasoning_tokens": 0,
          "cache_read_tokens": 171212,
          "cache_write_tokens": 6976,
          "cost_amount": 0.5943984000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784043822908-67b246a67",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784043822908-67b246a67",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T15:43:42.908982+00:00",
      "updated_at": "2026-07-14T15:43:42.908982+00:00",
      "user_email": "oliver.sheng@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 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": [
          "物理集群",
          "逻辑集群"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0085,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 2126,
          "output_tokens": 1407,
          "reasoning_tokens": 0,
          "cache_read_tokens": 48041,
          "cache_write_tokens": 312,
          "cost_amount": 0.48061934999999995
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783903153993-a177bfce9",
      "title": "TCID-12879 Mercari store.limit",
      "url": "https://investibook.com/workspace/ws-1783903153993-a177bfce9",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-13T00:39:13.993536+00:00",
      "updated_at": "2026-07-27T01:04:41.602905+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "resource_control_or_capacity": 1,
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 5,
          "matched_terms": [
            "evict",
            "leader",
            "operator",
            "pd",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hotspot",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 2,
          "matched_terms": [
            "scale",
            "witness"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "cpu",
          "evict",
          "hotspot",
          "leader",
          "operator",
          "pd",
          "peer",
          "region",
          "ru",
          "scale",
          "snapshot",
          "tikv",
          "witness",
          "スケジューリング"
        ],
        "message_count_used": 68,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0073,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 20,
          "input_tokens": 873,
          "output_tokens": 315,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64656,
          "cache_write_tokens": 0,
          "cost_amount": 3.8195165999999996
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 5,
          "Ad hoc 查询": 8,
          "解释追问": 1,
          "背景补充": 4
        }
      }
    },
    {
      "workspace_id": "ws-1783996124542-c30c8268a",
      "title": "tidb cloud 集群 1379661944646413605，需要把 tikv",
      "url": "https://investibook.com/workspace/ws-1783996124542-c30c8268a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T02:28:44.542261+00:00",
      "updated_at": "2026-07-14T02:35:24.087887+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0071,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1150,
          "output_tokens": 2043,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54419,
          "cache_write_tokens": 674,
          "cost_amount": 0.6444364500000002
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784001890254-90d4a8a0d",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1784001890254-90d4a8a0d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T04:04:50.254301+00:00",
      "updated_at": "2026-07-14T04:04:50.254301+00:00",
      "user_email": "kentaro.kitagawa@pingcap.com",
      "team_path": "Japan Business Group / PreSales",
      "team": "PreSales",
      "channel": "evidence-postpass",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "provider",
          "region"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0067,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 3683,
          "output_tokens": 2637,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 79941,
          "cost_amount": 3.2631752499999997
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "流程控制/确认": 1,
          "背景补充": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1783959900381-c065ed33e",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1783959900381-c065ed33e",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "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": 0.0031,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1039,
          "output_tokens": 978,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44802,
          "cache_write_tokens": 1167,
          "cost_amount": 0.42602249999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-pro-repro-1784011117308-e3f74e",
      "title": "prod repro for pro-switch empty completion",
      "url": "https://investibook.com/workspace/ws-pro-repro-1784011117308-e3f74e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T06:38:37.308545+00:00",
      "updated_at": "2026-07-14T06:38:37.308545+00:00",
      "user_email": "",
      "team_path": "",
      "team": "",
      "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_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "异常",
            "故障"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "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,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-pro-new-1784012547025-862a57",
      "title": "prod repro for fresh pro session",
      "url": "https://investibook.com/workspace/ws-pro-new-1784012547025-862a57",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:02:27.025921+00:00",
      "updated_at": "2026-07-14T07:02:27.025921+00:00",
      "user_email": "",
      "team_path": "",
      "team": "",
      "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {},
        "message_categories": {
          "产出物迭代": 1,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-54ef61be-f71d-4882-9f0a-04a8758c955d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-54ef61be-f71d-4882-9f0a-04a8758c955d",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T06:46:48.907412+00:00",
      "updated_at": "2026-07-14T06:46:48.907412+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "p99"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784015407841-2c1a7ef2a",
      "title": "O11Y-2615630 / O11Y-2615631",
      "url": "https://investibook.com/workspace/ws-1784015407841-2c1a7ef2a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T07:50:07.841063+00:00",
      "updated_at": "2026-07-14T07:51:03.852502+00:00",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "unknown",
      "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,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784020720461-a5399dec5",
      "title": "TCID-12917",
      "url": "https://investibook.com/workspace/ws-1784020720461-a5399dec5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:18:40.461637+00:00",
      "updated_at": "2026-07-14T09:18:49.080050+00:00",
      "user_email": "chunlu.zhang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "optimizer",
          "plan"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784022069058-f1142ebd0",
      "title": "TCOC-5589",
      "url": "https://investibook.com/workspace/ws-1784022069058-f1142ebd0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-14T09:41:09.058113+00:00",
      "updated_at": "2026-07-14T09:41:18.357991+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "ticdc"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ]
}