{
  "date": "2026-06-11",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-06-11T00:00:00+08:00",
  "window_end": "2026-06-12T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 43,
    "updated_existing_workspace_count": 9,
    "changed_workspace_count": 52
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1781155777224-e9a0438c1",
      "title": "O11Y-2586803",
      "url": "https://investibook.com/workspace/ws-1781155777224-e9a0438c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T05:29:37.224555+00:00",
      "updated_at": "2026-06-11T06:09:57.102303+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "importinto"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.3133,
        "message_count": 23,
        "user_message_count": 11,
        "assistant_message_count": 11,
        "token_usage": {
          "interaction_records": 21,
          "input_tokens": 21909,
          "output_tokens": 2217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47607,
          "cache_write_tokens": 3191,
          "cost_amount": 7.365578100000001
        },
        "message_categories": {
          "诊断纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 3,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781162730473-897c750b0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781162730473-897c750b0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:25:30.473505+00:00",
      "updated_at": "2026-06-11T07:25:30.473505+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.3818,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 13333,
          "output_tokens": 2615,
          "reasoning_tokens": 0,
          "cache_read_tokens": 127332,
          "cache_write_tokens": 1651,
          "cost_amount": 4.43321385
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781133367258-cbe0f7f72",
      "title": "TCID-12789",
      "url": "https://investibook.com/workspace/ws-1781133367258-cbe0f7f72",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:16:07.258395+00:00",
      "updated_at": "2026-06-10T23:16:15.647915+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.3356,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 21484,
          "output_tokens": 2170,
          "reasoning_tokens": 0,
          "cache_read_tokens": 138348,
          "cache_write_tokens": 1392,
          "cost_amount": 3.4129451999999993
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781151414476-526a461fc",
      "title": "UE Cassandra DDL Job Timeout",
      "url": "https://investibook.com/workspace/ws-1781151414476-526a461fc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:16:54.476602+00:00",
      "updated_at": "2026-06-11T08:26:10.199431+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 6,
          "matched_terms": [
            "ddl",
            "ddl job"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.8661,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 33058,
          "output_tokens": 3252,
          "reasoning_tokens": 0,
          "cache_read_tokens": 109524,
          "cache_write_tokens": 2641,
          "cost_amount": 2.98688505
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 4,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781160581566-d865a5906",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781160581566-d865a5906",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T06:49:41.566608+00:00",
      "updated_at": "2026-06-11T06:49:41.566608+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV 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": [
          "sql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9539,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 4594,
          "output_tokens": 2261,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88358,
          "cache_write_tokens": 614,
          "cost_amount": 1.9706541000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781109163690-f67122ebc",
      "title": "O11Y-2586451",
      "url": "https://investibook.com/workspace/ws-1781109163690-f67122ebc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:32:43.690924+00:00",
      "updated_at": "2026-06-10T16:32:52.437439+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc",
          "同步"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8088,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 21493,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 91447,
          "cache_write_tokens": 1163,
          "cost_amount": 1.8816075000000003
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781107748149-c8c2351b4",
      "title": "O11Y-2586433",
      "url": "https://investibook.com/workspace/ws-1781107748149-c8c2351b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:09:08.149358+00:00",
      "updated_at": "2026-06-10T16:10:35.586060+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6151,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 15745,
          "output_tokens": 2595,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107672,
          "cache_write_tokens": 4268,
          "cost_amount": 1.6725767999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781153449568-9bbdf43a1",
      "title": "Our TiDB cluster running in PRD env got warning",
      "url": "https://investibook.com/workspace/ws-1781153449568-9bbdf43a1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:50:49.568880+00:00",
      "updated_at": "2026-06-11T04:52:33.535084+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "peer",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 17,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5146,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 8034,
          "output_tokens": 138,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64506,
          "cache_write_tokens": 176,
          "cost_amount": 1.5388010999999997
        },
        "message_categories": {
          "产出物迭代": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:16:22.494642+00:00",
      "updated_at": "2026-06-11T09:16:22.494642+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.512,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5313,
          "output_tokens": 1962,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82295,
          "cache_write_tokens": 307,
          "cost_amount": 1.5348141
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "title": "Lark O11Y-2586434",
      "url": "https://investibook.com/workspace/lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:10:04.528361+00:00",
      "updated_at": "2026-06-10T16:10:04.528361+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0925,
        "message_count": 24,
        "user_message_count": 8,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 52540,
          "output_tokens": 2188,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83842,
          "cache_write_tokens": 3562,
          "cost_amount": 1.2771906
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 5,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781162248159-03fc06a3d",
      "title": "https://tidb.atlassian.net/browse/TCID-12790",
      "url": "https://investibook.com/workspace/ws-1781162248159-03fc06a3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:17:28.159301+00:00",
      "updated_at": "2026-06-11T07:18:04.427108+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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0695,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 23593,
          "output_tokens": 2466,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87279,
          "cache_write_tokens": 774,
          "cost_amount": 1.1547718500000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781114521298-b2e8b618b",
      "title": "O11Y-2586481",
      "url": "https://investibook.com/workspace/ws-1781114521298-b2e8b618b",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T18:02:01.298643+00:00",
      "updated_at": "2026-06-10T18:02:05.903793+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7606,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3868,
          "output_tokens": 1536,
          "reasoning_tokens": 0,
          "cache_read_tokens": 58095,
          "cache_write_tokens": 2233,
          "cost_amount": 0.7797780000000001
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "title": "Lark O11Y-2587101",
      "url": "https://investibook.com/workspace/lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T12:43:28.307214+00:00",
      "updated_at": "2026-06-11T12:43:28.307214+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6445,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14616,
          "output_tokens": 1509,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57026,
          "cache_write_tokens": 2514,
          "cost_amount": 0.6989976
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T01:09:50.546659+00:00",
      "updated_at": "2026-06-11T01:09:50.546659+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4154,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7415,
          "output_tokens": 5379,
          "reasoning_tokens": 0,
          "cache_read_tokens": 80890,
          "cache_write_tokens": 24754,
          "cost_amount": 0.44003955
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "title": "Lark O11Y-2586563",
      "url": "https://investibook.com/workspace/lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:47:44.667719+00:00",
      "updated_at": "2026-06-10T19:47:44.667719+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3342,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6835,
          "output_tokens": 1861,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50539,
          "cache_write_tokens": 10654,
          "cost_amount": 0.35738295
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-284f3194-3004-49ec-a443-aee4cd0db9af",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-284f3194-3004-49ec-a443-aee4cd0db9af",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T03:23:49.124197+00:00",
      "updated_at": "2026-06-11T03:23:49.124197+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.323,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 455,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29541,
          "cache_write_tokens": 527,
          "cost_amount": 0.32303790000000004
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T13:17:23.578800+00:00",
      "updated_at": "2026-06-11T13:17:23.578800+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.3133,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7044,
          "output_tokens": 1790,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38048,
          "cache_write_tokens": 8745,
          "cost_amount": 0.33703515
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "title": "Lark O11Y-2586901",
      "url": "https://investibook.com/workspace/lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T08:12:59.933218+00:00",
      "updated_at": "2026-06-11T08:12:59.933218+00:00",
      "user_email": "zhangming@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2273,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 909,
          "output_tokens": 133,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24104,
          "cache_write_tokens": 781,
          "cost_amount": 0.23001705000000003
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "title": "Lark O11Y-2586434",
      "url": "https://investibook.com/workspace/lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:10:04.528361+00:00",
      "updated_at": "2026-06-10T16:10:04.528361+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1847,
        "message_count": 24,
        "user_message_count": 8,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 52540,
          "output_tokens": 2188,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83842,
          "cache_write_tokens": 3562,
          "cost_amount": 1.2771906
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 5,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5900ae6a-c9c3-4274-8c3f-ddcf1c30bf07",
      "title": "Lark TCOC-5393",
      "url": "https://investibook.com/workspace/lark-ws-5900ae6a-c9c3-4274-8c3f-ddcf1c30bf07",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:29:01.995116+00:00",
      "updated_at": "2026-06-11T09:29:01.995116+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": 0.1796,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1078,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19850,
          "cache_write_tokens": 19310,
          "cost_amount": 0.17955
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-fce0264a-0fd1-4321-9cf1-66dde160d489",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-fce0264a-0fd1-4321-9cf1-66dde160d489",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T02:01:02.713109+00:00",
      "updated_at": "2026-06-11T02:01:02.713109+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "prewrite"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "sql"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1768,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1464,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17122,
          "cache_write_tokens": 954,
          "cost_amount": 0.17681535
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-a0c569ca-2087-4ebb-a39a-705a03800fca",
      "title": "Lark APID-29061",
      "url": "https://investibook.com/workspace/lark-ws-a0c569ca-2087-4ebb-a39a-705a03800fca",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:37:18.603610+00:00",
      "updated_at": "2026-06-11T09:37:18.603610+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1629,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 905,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17119,
          "cache_write_tokens": 18870,
          "cost_amount": 0.16291995
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a22eb699-bdc5-47f8-b6b4-ec429f01b952",
      "title": "Lark APID-29055",
      "url": "https://investibook.com/workspace/lark-ws-a22eb699-bdc5-47f8-b6b4-ec429f01b952",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T03:08:29.313735+00:00",
      "updated_at": "2026-06-11T03:08:29.313735+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1584,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1177,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17129,
          "cache_write_tokens": 16560,
          "cost_amount": 0.15839505
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781118762938-866ba8e06",
      "title": "TCID-12777",
      "url": "https://investibook.com/workspace/ws-1781118762938-866ba8e06",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:12:42.938521+00:00",
      "updated_at": "2026-06-10T19:13:00.206808+00:00",
      "user_email": "d.niu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "pessimistic"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "iops"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "pessimistic",
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.132,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1220,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16573,
          "cache_write_tokens": 8035,
          "cost_amount": 0.1320249
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781151414476-526a461fc",
      "title": "UE Cassandra DDL Job Timeout",
      "url": "https://investibook.com/workspace/ws-1781151414476-526a461fc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:16:54.476602+00:00",
      "updated_at": "2026-06-11T08:26:10.199431+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 6,
          "matched_terms": [
            "ddl",
            "ddl job"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1208,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 33058,
          "output_tokens": 3252,
          "reasoning_tokens": 0,
          "cache_read_tokens": 109524,
          "cache_write_tokens": 2641,
          "cost_amount": 2.98688505
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 4,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-bf099ed7-e3fd-45fe-a6af-809daf0405a0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-bf099ed7-e3fd-45fe-a6af-809daf0405a0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:49:01.688785+00:00",
      "updated_at": "2026-06-11T07:49:01.688785+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 2,
          "matched_terms": [
            "gc",
            "runtime"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "sql",
          "topsql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0952,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1265,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 20319,
          "cost_amount": 0.09520125
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781162248159-03fc06a3d",
      "title": "https://tidb.atlassian.net/browse/TCID-12790",
      "url": "https://investibook.com/workspace/ws-1781162248159-03fc06a3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:17:28.159301+00:00",
      "updated_at": "2026-06-11T07:18:04.427108+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_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0853,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 23593,
          "output_tokens": 2466,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87279,
          "cache_write_tokens": 774,
          "cost_amount": 1.1547718500000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-07d2e7a4-8031-4f90-9a52-a0d63f43bd59",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-07d2e7a4-8031-4f90-9a52-a0d63f43bd59",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:52:34.238192+00:00",
      "updated_at": "2026-06-11T09:52:34.238192+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.085,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1704,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15853,
          "cost_amount": 0.08503875
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781133367258-cbe0f7f72",
      "title": "TCID-12789",
      "url": "https://investibook.com/workspace/ws-1781133367258-cbe0f7f72",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:16:07.258395+00:00",
      "updated_at": "2026-06-10T23:16:15.647915+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0773,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 21484,
          "output_tokens": 2170,
          "reasoning_tokens": 0,
          "cache_read_tokens": 138348,
          "cache_write_tokens": 1392,
          "cost_amount": 3.4129451999999993
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781109163690-f67122ebc",
      "title": "O11Y-2586451",
      "url": "https://investibook.com/workspace/ws-1781109163690-f67122ebc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:32:43.690924+00:00",
      "updated_at": "2026-06-10T16:32:52.437439+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc",
          "同步"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0728,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 21493,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 91447,
          "cache_write_tokens": 1163,
          "cost_amount": 1.8816075000000003
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781134148752-f131d7c90",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781134148752-f131d7c90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:29:08.752532+00:00",
      "updated_at": "2026-06-10T23:29:08.752532+00:00",
      "user_email": "qi.qi@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cluster list",
          "provider",
          "region",
          "tenant"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0641,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 431,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15349,
          "cost_amount": 0.06405375
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781107748149-c8c2351b4",
      "title": "O11Y-2586433",
      "url": "https://investibook.com/workspace/ws-1781107748149-c8c2351b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:09:08.149358+00:00",
      "updated_at": "2026-06-10T16:10:35.586060+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0575,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 15745,
          "output_tokens": 2595,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107672,
          "cache_write_tokens": 4268,
          "cost_amount": 1.6725767999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "title": "Lark O11Y-2587101",
      "url": "https://investibook.com/workspace/lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T12:43:28.307214+00:00",
      "updated_at": "2026-06-11T12:43:28.307214+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0545,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14616,
          "output_tokens": 1509,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57026,
          "cache_write_tokens": 2514,
          "cost_amount": 0.6989976
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781155777224-e9a0438c1",
      "title": "O11Y-2586803",
      "url": "https://investibook.com/workspace/ws-1781155777224-e9a0438c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T05:29:37.224555+00:00",
      "updated_at": "2026-06-11T06:09:57.102303+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "importinto"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0523,
        "message_count": 23,
        "user_message_count": 11,
        "assistant_message_count": 11,
        "token_usage": {
          "interaction_records": 21,
          "input_tokens": 21909,
          "output_tokens": 2217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47607,
          "cache_write_tokens": 3191,
          "cost_amount": 7.365578100000001
        },
        "message_categories": {
          "诊断纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 3,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781162730473-897c750b0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781162730473-897c750b0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:25:30.473505+00:00",
      "updated_at": "2026-06-11T07:25:30.473505+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0514,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 13333,
          "output_tokens": 2615,
          "reasoning_tokens": 0,
          "cache_read_tokens": 127332,
          "cache_write_tokens": 1651,
          "cost_amount": 4.43321385
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T01:09:50.546659+00:00",
      "updated_at": "2026-06-11T01:09:50.546659+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "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": [
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0247,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7415,
          "output_tokens": 5379,
          "reasoning_tokens": 0,
          "cache_read_tokens": 80890,
          "cache_write_tokens": 24754,
          "cost_amount": 0.44003955
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781153449568-9bbdf43a1",
      "title": "Our TiDB cluster running in PRD env got warning",
      "url": "https://investibook.com/workspace/ws-1781153449568-9bbdf43a1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:50:49.568880+00:00",
      "updated_at": "2026-06-11T04:52:33.535084+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "peer",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 17,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0242,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 8034,
          "output_tokens": 138,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64506,
          "cache_write_tokens": 176,
          "cost_amount": 1.5388010999999997
        },
        "message_categories": {
          "产出物迭代": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T13:17:23.578800+00:00",
      "updated_at": "2026-06-11T13:17:23.578800+00:00",
      "user_email": "peiliang.liu@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": "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": 0.0237,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7044,
          "output_tokens": 1790,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38048,
          "cache_write_tokens": 8745,
          "cost_amount": 0.33703515
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "title": "Lark O11Y-2586563",
      "url": "https://investibook.com/workspace/lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:47:44.667719+00:00",
      "updated_at": "2026-06-10T19:47:44.667719+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "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": 0.0231,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6835,
          "output_tokens": 1861,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50539,
          "cache_write_tokens": 10654,
          "cost_amount": 0.35738295
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:16:22.494642+00:00",
      "updated_at": "2026-06-11T09:16:22.494642+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "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": [
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0228,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5313,
          "output_tokens": 1962,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82295,
          "cache_write_tokens": 307,
          "cost_amount": 1.5348141
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781114521298-b2e8b618b",
      "title": "O11Y-2586481",
      "url": "https://investibook.com/workspace/ws-1781114521298-b2e8b618b",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T18:02:01.298643+00:00",
      "updated_at": "2026-06-10T18:02:05.903793+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0191,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3868,
          "output_tokens": 1536,
          "reasoning_tokens": 0,
          "cache_read_tokens": 58095,
          "cache_write_tokens": 2233,
          "cost_amount": 0.7797780000000001
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781160581566-d865a5906",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781160581566-d865a5906",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T06:49:41.566608+00:00",
      "updated_at": "2026-06-11T06:49:41.566608+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "sql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0168,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 4594,
          "output_tokens": 2261,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88358,
          "cache_write_tokens": 614,
          "cost_amount": 1.9706541000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "title": "Lark O11Y-2586901",
      "url": "https://investibook.com/workspace/lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T08:12:59.933218+00:00",
      "updated_at": "2026-06-11T08:12:59.933218+00:00",
      "user_email": "zhangming@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": "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": 0.0028,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 909,
          "output_tokens": 133,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24104,
          "cache_write_tokens": 781,
          "cost_amount": 0.23001705000000003
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-10T08:35:01.812220+00:00",
      "updated_at": "2026-06-10T08:35:01.812220+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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "磁盘"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.3117,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 28040,
          "output_tokens": 722,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87604,
          "cache_write_tokens": 5773,
          "cost_amount": 4.406649149999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780914018065-cbe680711",
      "title": "TCID-12776",
      "url": "https://investibook.com/workspace/ws-1780914018065-cbe680711",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T10:20:18.065702+00:00",
      "updated_at": "2026-06-08T10:36:47.377636+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "component_failure_or_bug": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 5,
          "matched_terms": [
            "lock",
            "mvcc",
            "pessimistic",
            "prewrite",
            "txn"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 5,
          "matched_terms": [
            "auto-id",
            "autoid",
            "不具合",
            "失敗",
            "起動しなかった"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "auto-id",
          "autoid",
          "cpu",
          "digest",
          "latency",
          "lock",
          "mvcc",
          "pessimistic",
          "prewrite",
          "query",
          "ru",
          "sql",
          "txn",
          "不具合",
          "失敗",
          "起動しなかった"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.0563,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 22219,
          "output_tokens": 1035,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.1384743
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780893322629-05079a8e5",
      "title": "体验op环境，v8.5.4，一个tidb server节点oom。 从top",
      "url": "https://investibook.com/workspace/ws-1780893322629-05079a8e5",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T04:35:22.629457+00:00",
      "updated_at": "2026-06-08T04:35:48.993499+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": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "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": "memory_or_oom_pressure",
          "score": 6,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "内存"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 4,
          "matched_terms": [
            "disk",
            "i/o",
            "io",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "quota",
            "resource control",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "query",
            "sql",
            "优化器"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 3,
          "matched_terms": [
            "gc",
            "go runtime",
            "runtime"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "disk",
          "gc",
          "go runtime",
          "heap",
          "i/o",
          "io",
          "memory",
          "oom",
          "query",
          "quota",
          "resource control",
          "ru",
          "runtime",
          "sql",
          "优化器"
        ],
        "message_count_used": 40,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1873,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 0,
          "output_tokens": 308,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 5830,
          "cost_amount": 1.1872680000000009
        },
        "message_categories": {
          "查询纠偏": 2,
          "诊断启动": 2,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1780454535651-3396f6048",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1780454535651-3396f6048",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-03T02:42:15.651936+00:00",
      "updated_at": "2026-06-03T02:42:15.651936+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "slow sql",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "ru",
          "slow sql",
          "sql",
          "tikv",
          "容量"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4163,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1979,
          "output_tokens": 1,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 108179,
          "cost_amount": 0.42226499999999995
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1778561397864-af8e050e7",
      "title": "TCID-12638 Mercari Timeout issue",
      "url": "https://investibook.com/workspace/ws-1778561397864-af8e050e7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-05-12T04:49:57.864178+00:00",
      "updated_at": "2026-06-24T23:03:56.500762+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4123,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 1542,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14502,
          "cache_write_tokens": 0,
          "cost_amount": 0.4123236000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781147463072-bdd6bcd8a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781147463072-bdd6bcd8a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced 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": 0.2397,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 299,
          "reasoning_tokens": 0,
          "cache_read_tokens": 21907,
          "cache_write_tokens": 4012,
          "cost_amount": 0.23967974999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-10T08:35:01.812220+00:00",
      "updated_at": "2026-06-10T08:35:01.812220+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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "磁盘"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.095,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 28040,
          "output_tokens": 722,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87604,
          "cache_write_tokens": 5773,
          "cost_amount": 4.406649149999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780914018065-cbe680711",
      "title": "TCID-12776",
      "url": "https://investibook.com/workspace/ws-1780914018065-cbe680711",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T10:20:18.065702+00:00",
      "updated_at": "2026-06-08T10:36:47.377636+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "component_failure_or_bug": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 5,
          "matched_terms": [
            "lock",
            "mvcc",
            "pessimistic",
            "prewrite",
            "txn"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 5,
          "matched_terms": [
            "auto-id",
            "autoid",
            "不具合",
            "失敗",
            "起動しなかった"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "auto-id",
          "autoid",
          "cpu",
          "digest",
          "latency",
          "lock",
          "mvcc",
          "pessimistic",
          "prewrite",
          "query",
          "ru",
          "sql",
          "txn",
          "不具合",
          "失敗",
          "起動しなかった"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0822,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 22219,
          "output_tokens": 1035,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.1384743
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780454535651-3396f6048",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1780454535651-3396f6048",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-03T02:42:15.651936+00:00",
      "updated_at": "2026-06-03T02:42:15.651936+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "slow sql",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "ru",
          "slow sql",
          "sql",
          "tikv",
          "容量"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0059,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1979,
          "output_tokens": 1,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 108179,
          "cost_amount": 0.42226499999999995
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1781155777224-e9a0438c1",
      "title": "O11Y-2586803",
      "url": "https://investibook.com/workspace/ws-1781155777224-e9a0438c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T05:29:37.224555+00:00",
      "updated_at": "2026-06-11T06:09:57.102303+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "importinto"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 7.3133,
        "message_count": 23,
        "user_message_count": 11,
        "assistant_message_count": 11,
        "token_usage": {
          "interaction_records": 21,
          "input_tokens": 21909,
          "output_tokens": 2217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47607,
          "cache_write_tokens": 3191,
          "cost_amount": 7.365578100000001
        },
        "message_categories": {
          "诊断纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 3,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781162730473-897c750b0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781162730473-897c750b0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:25:30.473505+00:00",
      "updated_at": "2026-06-11T07:25:30.473505+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.3818,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 13333,
          "output_tokens": 2615,
          "reasoning_tokens": 0,
          "cache_read_tokens": 127332,
          "cache_write_tokens": 1651,
          "cost_amount": 4.43321385
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-10T08:35:01.812220+00:00",
      "updated_at": "2026-06-10T08:35:01.812220+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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "磁盘"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.3117,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 28040,
          "output_tokens": 722,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87604,
          "cache_write_tokens": 5773,
          "cost_amount": 4.406649149999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781133367258-cbe0f7f72",
      "title": "TCID-12789",
      "url": "https://investibook.com/workspace/ws-1781133367258-cbe0f7f72",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:16:07.258395+00:00",
      "updated_at": "2026-06-10T23:16:15.647915+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.3356,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 21484,
          "output_tokens": 2170,
          "reasoning_tokens": 0,
          "cache_read_tokens": 138348,
          "cache_write_tokens": 1392,
          "cost_amount": 3.4129451999999993
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780914018065-cbe680711",
      "title": "TCID-12776",
      "url": "https://investibook.com/workspace/ws-1780914018065-cbe680711",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T10:20:18.065702+00:00",
      "updated_at": "2026-06-08T10:36:47.377636+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "component_failure_or_bug": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 5,
          "matched_terms": [
            "lock",
            "mvcc",
            "pessimistic",
            "prewrite",
            "txn"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 5,
          "matched_terms": [
            "auto-id",
            "autoid",
            "不具合",
            "失敗",
            "起動しなかった"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "auto-id",
          "autoid",
          "cpu",
          "digest",
          "latency",
          "lock",
          "mvcc",
          "pessimistic",
          "prewrite",
          "query",
          "ru",
          "sql",
          "txn",
          "不具合",
          "失敗",
          "起動しなかった"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.0563,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 22219,
          "output_tokens": 1035,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.1384743
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781151414476-526a461fc",
      "title": "UE Cassandra DDL Job Timeout",
      "url": "https://investibook.com/workspace/ws-1781151414476-526a461fc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:16:54.476602+00:00",
      "updated_at": "2026-06-11T08:26:10.199431+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 6,
          "matched_terms": [
            "ddl",
            "ddl job"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.8661,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 33058,
          "output_tokens": 3252,
          "reasoning_tokens": 0,
          "cache_read_tokens": 109524,
          "cache_write_tokens": 2641,
          "cost_amount": 2.98688505
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 4,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781160581566-d865a5906",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781160581566-d865a5906",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T06:49:41.566608+00:00",
      "updated_at": "2026-06-11T06:49:41.566608+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV 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": [
          "sql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.9539,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 4594,
          "output_tokens": 2261,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88358,
          "cache_write_tokens": 614,
          "cost_amount": 1.9706541000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781109163690-f67122ebc",
      "title": "O11Y-2586451",
      "url": "https://investibook.com/workspace/ws-1781109163690-f67122ebc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:32:43.690924+00:00",
      "updated_at": "2026-06-10T16:32:52.437439+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc",
          "同步"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8088,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 21493,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 91447,
          "cache_write_tokens": 1163,
          "cost_amount": 1.8816075000000003
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781107748149-c8c2351b4",
      "title": "O11Y-2586433",
      "url": "https://investibook.com/workspace/ws-1781107748149-c8c2351b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:09:08.149358+00:00",
      "updated_at": "2026-06-10T16:10:35.586060+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6151,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 15745,
          "output_tokens": 2595,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107672,
          "cache_write_tokens": 4268,
          "cost_amount": 1.6725767999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781153449568-9bbdf43a1",
      "title": "Our TiDB cluster running in PRD env got warning",
      "url": "https://investibook.com/workspace/ws-1781153449568-9bbdf43a1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:50:49.568880+00:00",
      "updated_at": "2026-06-11T04:52:33.535084+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "peer",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 17,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5146,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 8034,
          "output_tokens": 138,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64506,
          "cache_write_tokens": 176,
          "cost_amount": 1.5388010999999997
        },
        "message_categories": {
          "产出物迭代": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:16:22.494642+00:00",
      "updated_at": "2026-06-11T09:16:22.494642+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.512,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5313,
          "output_tokens": 1962,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82295,
          "cache_write_tokens": 307,
          "cost_amount": 1.5348141
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780893322629-05079a8e5",
      "title": "体验op环境，v8.5.4，一个tidb server节点oom。 从top",
      "url": "https://investibook.com/workspace/ws-1780893322629-05079a8e5",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T04:35:22.629457+00:00",
      "updated_at": "2026-06-08T04:35:48.993499+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": "memory_or_oom_pressure",
      "scenario_category_counts": {
        "memory_or_oom_pressure": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "sql_plan_or_query": 1,
        "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": "memory_or_oom_pressure",
          "score": 6,
          "matched_terms": [
            "heap",
            "memory",
            "oom",
            "内存"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 4,
          "matched_terms": [
            "disk",
            "i/o",
            "io",
            "磁盘"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 4,
          "matched_terms": [
            "cpu",
            "quota",
            "resource control",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "query",
            "sql",
            "优化器"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 3,
          "matched_terms": [
            "gc",
            "go runtime",
            "runtime"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "disk",
          "gc",
          "go runtime",
          "heap",
          "i/o",
          "io",
          "memory",
          "oom",
          "query",
          "quota",
          "resource control",
          "ru",
          "runtime",
          "sql",
          "优化器"
        ],
        "message_count_used": 40,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.1873,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 0,
          "output_tokens": 308,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 5830,
          "cost_amount": 1.1872680000000009
        },
        "message_categories": {
          "查询纠偏": 2,
          "诊断启动": 2,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "title": "Lark O11Y-2586434",
      "url": "https://investibook.com/workspace/lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:10:04.528361+00:00",
      "updated_at": "2026-06-10T16:10:04.528361+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0925,
        "message_count": 24,
        "user_message_count": 8,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 52540,
          "output_tokens": 2188,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83842,
          "cache_write_tokens": 3562,
          "cost_amount": 1.2771906
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 5,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781162248159-03fc06a3d",
      "title": "https://tidb.atlassian.net/browse/TCID-12790",
      "url": "https://investibook.com/workspace/ws-1781162248159-03fc06a3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:17:28.159301+00:00",
      "updated_at": "2026-06-11T07:18:04.427108+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": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0695,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 23593,
          "output_tokens": 2466,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87279,
          "cache_write_tokens": 774,
          "cost_amount": 1.1547718500000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781114521298-b2e8b618b",
      "title": "O11Y-2586481",
      "url": "https://investibook.com/workspace/ws-1781114521298-b2e8b618b",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T18:02:01.298643+00:00",
      "updated_at": "2026-06-10T18:02:05.903793+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7606,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3868,
          "output_tokens": 1536,
          "reasoning_tokens": 0,
          "cache_read_tokens": 58095,
          "cache_write_tokens": 2233,
          "cost_amount": 0.7797780000000001
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "title": "Lark O11Y-2587101",
      "url": "https://investibook.com/workspace/lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T12:43:28.307214+00:00",
      "updated_at": "2026-06-11T12:43:28.307214+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6445,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14616,
          "output_tokens": 1509,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57026,
          "cache_write_tokens": 2514,
          "cost_amount": 0.6989976
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1780454535651-3396f6048",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1780454535651-3396f6048",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-03T02:42:15.651936+00:00",
      "updated_at": "2026-06-03T02:42:15.651936+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "slow sql",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "ru",
          "slow sql",
          "sql",
          "tikv",
          "容量"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4163,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1979,
          "output_tokens": 1,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 108179,
          "cost_amount": 0.42226499999999995
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T01:09:50.546659+00:00",
      "updated_at": "2026-06-11T01:09:50.546659+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4154,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7415,
          "output_tokens": 5379,
          "reasoning_tokens": 0,
          "cache_read_tokens": 80890,
          "cache_write_tokens": 24754,
          "cost_amount": 0.44003955
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1778561397864-af8e050e7",
      "title": "TCID-12638 Mercari Timeout issue",
      "url": "https://investibook.com/workspace/ws-1778561397864-af8e050e7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-05-12T04:49:57.864178+00:00",
      "updated_at": "2026-06-24T23:03:56.500762+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4123,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 1542,
          "reasoning_tokens": 0,
          "cache_read_tokens": 14502,
          "cache_write_tokens": 0,
          "cost_amount": 0.4123236000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "title": "Lark O11Y-2586563",
      "url": "https://investibook.com/workspace/lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:47:44.667719+00:00",
      "updated_at": "2026-06-10T19:47:44.667719+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3342,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6835,
          "output_tokens": 1861,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50539,
          "cache_write_tokens": 10654,
          "cost_amount": 0.35738295
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-284f3194-3004-49ec-a443-aee4cd0db9af",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-284f3194-3004-49ec-a443-aee4cd0db9af",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T03:23:49.124197+00:00",
      "updated_at": "2026-06-11T03:23:49.124197+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.323,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1,
          "output_tokens": 455,
          "reasoning_tokens": 0,
          "cache_read_tokens": 29541,
          "cache_write_tokens": 527,
          "cost_amount": 0.32303790000000004
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T13:17:23.578800+00:00",
      "updated_at": "2026-06-11T13:17:23.578800+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.3133,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7044,
          "output_tokens": 1790,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38048,
          "cache_write_tokens": 8745,
          "cost_amount": 0.33703515
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781147463072-bdd6bcd8a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781147463072-bdd6bcd8a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced 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": 0.2397,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 299,
          "reasoning_tokens": 0,
          "cache_read_tokens": 21907,
          "cache_write_tokens": 4012,
          "cost_amount": 0.23967974999999997
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "title": "Lark O11Y-2586901",
      "url": "https://investibook.com/workspace/lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T08:12:59.933218+00:00",
      "updated_at": "2026-06-11T08:12:59.933218+00:00",
      "user_email": "zhangming@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2273,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 909,
          "output_tokens": 133,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24104,
          "cache_write_tokens": 781,
          "cost_amount": 0.23001705000000003
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "title": "Lark O11Y-2586434",
      "url": "https://investibook.com/workspace/lark-ws-fdb10822-000d-4219-b028-e76b3bf18dc1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:10:04.528361+00:00",
      "updated_at": "2026-06-10T16:10:04.528361+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1847,
        "message_count": 24,
        "user_message_count": 8,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 52540,
          "output_tokens": 2188,
          "reasoning_tokens": 0,
          "cache_read_tokens": 83842,
          "cache_write_tokens": 3562,
          "cost_amount": 1.2771906
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 5,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5900ae6a-c9c3-4274-8c3f-ddcf1c30bf07",
      "title": "Lark TCOC-5393",
      "url": "https://investibook.com/workspace/lark-ws-5900ae6a-c9c3-4274-8c3f-ddcf1c30bf07",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:29:01.995116+00:00",
      "updated_at": "2026-06-11T09:29:01.995116+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": 0.1796,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1078,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19850,
          "cache_write_tokens": 19310,
          "cost_amount": 0.17955
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-fce0264a-0fd1-4321-9cf1-66dde160d489",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-fce0264a-0fd1-4321-9cf1-66dde160d489",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T02:01:02.713109+00:00",
      "updated_at": "2026-06-11T02:01:02.713109+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "prewrite"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "sql"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1768,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1464,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17122,
          "cache_write_tokens": 954,
          "cost_amount": 0.17681535
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-a0c569ca-2087-4ebb-a39a-705a03800fca",
      "title": "Lark APID-29061",
      "url": "https://investibook.com/workspace/lark-ws-a0c569ca-2087-4ebb-a39a-705a03800fca",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:37:18.603610+00:00",
      "updated_at": "2026-06-11T09:37:18.603610+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1629,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 905,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17119,
          "cache_write_tokens": 18870,
          "cost_amount": 0.16291995
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a22eb699-bdc5-47f8-b6b4-ec429f01b952",
      "title": "Lark APID-29055",
      "url": "https://investibook.com/workspace/lark-ws-a22eb699-bdc5-47f8-b6b4-ec429f01b952",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T03:08:29.313735+00:00",
      "updated_at": "2026-06-11T03:08:29.313735+00:00",
      "user_email": "cherubin.j@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1584,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1177,
          "reasoning_tokens": 0,
          "cache_read_tokens": 17129,
          "cache_write_tokens": 16560,
          "cost_amount": 0.15839505
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781118762938-866ba8e06",
      "title": "TCID-12777",
      "url": "https://investibook.com/workspace/ws-1781118762938-866ba8e06",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:12:42.938521+00:00",
      "updated_at": "2026-06-10T19:13:00.206808+00:00",
      "user_email": "d.niu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "pessimistic"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "iops"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "lock",
          "pessimistic",
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.132,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1220,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16573,
          "cache_write_tokens": 8035,
          "cost_amount": 0.1320249
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781151414476-526a461fc",
      "title": "UE Cassandra DDL Job Timeout",
      "url": "https://investibook.com/workspace/ws-1781151414476-526a461fc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:16:54.476602+00:00",
      "updated_at": "2026-06-11T08:26:10.199431+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 6,
          "matched_terms": [
            "ddl",
            "ddl job"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1208,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 33058,
          "output_tokens": 3252,
          "reasoning_tokens": 0,
          "cache_read_tokens": 109524,
          "cache_write_tokens": 2641,
          "cost_amount": 2.98688505
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 4,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-bf099ed7-e3fd-45fe-a6af-809daf0405a0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-bf099ed7-e3fd-45fe-a6af-809daf0405a0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:49:01.688785+00:00",
      "updated_at": "2026-06-11T07:49:01.688785+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "gc_or_allocator_pressure",
          "score": 2,
          "matched_terms": [
            "gc",
            "runtime"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "sql",
          "topsql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0952,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1265,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 20319,
          "cost_amount": 0.09520125
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-cf8420fd-02b8-4c41-af7d-f8210077ec54",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-10T08:35:01.812220+00:00",
      "updated_at": "2026-06-10T08:35:01.812220+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_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "sql",
            "执行计划"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "io",
          "iops",
          "磁盘"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.095,
        "message_count": 12,
        "user_message_count": 4,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 8,
          "input_tokens": 28040,
          "output_tokens": 722,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87604,
          "cache_write_tokens": 5773,
          "cost_amount": 4.406649149999999
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781162248159-03fc06a3d",
      "title": "https://tidb.atlassian.net/browse/TCID-12790",
      "url": "https://investibook.com/workspace/ws-1781162248159-03fc06a3d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:17:28.159301+00:00",
      "updated_at": "2026-06-11T07:18:04.427108+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_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0853,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 23593,
          "output_tokens": 2466,
          "reasoning_tokens": 0,
          "cache_read_tokens": 87279,
          "cache_write_tokens": 774,
          "cost_amount": 1.1547718500000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-07d2e7a4-8031-4f90-9a52-a0d63f43bd59",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-07d2e7a4-8031-4f90-9a52-a0d63f43bd59",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:52:34.238192+00:00",
      "updated_at": "2026-06-11T09:52:34.238192+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.085,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1704,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15853,
          "cost_amount": 0.08503875
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780914018065-cbe680711",
      "title": "TCID-12776",
      "url": "https://investibook.com/workspace/ws-1780914018065-cbe680711",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-08T10:20:18.065702+00:00",
      "updated_at": "2026-06-08T10:36:47.377636+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1,
        "component_failure_or_bug": 1,
        "sql_plan_or_query": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 5,
          "matched_terms": [
            "lock",
            "mvcc",
            "pessimistic",
            "prewrite",
            "txn"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 5,
          "matched_terms": [
            "auto-id",
            "autoid",
            "不具合",
            "失敗",
            "起動しなかった"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 3,
          "matched_terms": [
            "digest",
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "auto-id",
          "autoid",
          "cpu",
          "digest",
          "latency",
          "lock",
          "mvcc",
          "pessimistic",
          "prewrite",
          "query",
          "ru",
          "sql",
          "txn",
          "不具合",
          "失敗",
          "起動しなかった"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0822,
        "message_count": 12,
        "user_message_count": 6,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 22219,
          "output_tokens": 1035,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.1384743
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781133367258-cbe0f7f72",
      "title": "TCID-12789",
      "url": "https://investibook.com/workspace/ws-1781133367258-cbe0f7f72",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:16:07.258395+00:00",
      "updated_at": "2026-06-10T23:16:15.647915+00:00",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0773,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 21484,
          "output_tokens": 2170,
          "reasoning_tokens": 0,
          "cache_read_tokens": 138348,
          "cache_write_tokens": 1392,
          "cost_amount": 3.4129451999999993
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781109163690-f67122ebc",
      "title": "O11Y-2586451",
      "url": "https://investibook.com/workspace/ws-1781109163690-f67122ebc",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:32:43.690924+00:00",
      "updated_at": "2026-06-10T16:32:52.437439+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc",
          "同步"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0728,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 21493,
          "output_tokens": 1423,
          "reasoning_tokens": 0,
          "cache_read_tokens": 91447,
          "cache_write_tokens": 1163,
          "cost_amount": 1.8816075000000003
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781134148752-f131d7c90",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781134148752-f131d7c90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T23:29:08.752532+00:00",
      "updated_at": "2026-06-10T23:29:08.752532+00:00",
      "user_email": "qi.qi@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cluster list",
          "provider",
          "region",
          "tenant"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0641,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 431,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15349,
          "cost_amount": 0.06405375
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781107748149-c8c2351b4",
      "title": "O11Y-2586433",
      "url": "https://investibook.com/workspace/ws-1781107748149-c8c2351b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T16:09:08.149358+00:00",
      "updated_at": "2026-06-10T16:10:35.586060+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "latency",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0575,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 15745,
          "output_tokens": 2595,
          "reasoning_tokens": 0,
          "cache_read_tokens": 107672,
          "cache_write_tokens": 4268,
          "cost_amount": 1.6725767999999994
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "title": "Lark O11Y-2587101",
      "url": "https://investibook.com/workspace/lark-ws-938cdbb0-6200-45aa-a83b-054c276cfbeb",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T12:43:28.307214+00:00",
      "updated_at": "2026-06-11T12:43:28.307214+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "memory_or_oom_pressure",
          "score": 2,
          "matched_terms": [
            "oom",
            "内存"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "coprocess",
          "coprocessor"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0545,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 14616,
          "output_tokens": 1509,
          "reasoning_tokens": 0,
          "cache_read_tokens": 57026,
          "cache_write_tokens": 2514,
          "cost_amount": 0.6989976
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781155777224-e9a0438c1",
      "title": "O11Y-2586803",
      "url": "https://investibook.com/workspace/ws-1781155777224-e9a0438c1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T05:29:37.224555+00:00",
      "updated_at": "2026-06-11T06:09:57.102303+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "compaction",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "importinto"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0523,
        "message_count": 23,
        "user_message_count": 11,
        "assistant_message_count": 11,
        "token_usage": {
          "interaction_records": 21,
          "input_tokens": 21909,
          "output_tokens": 2217,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47607,
          "cache_write_tokens": 3191,
          "cost_amount": 7.365578100000001
        },
        "message_categories": {
          "诊断纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 3,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781162730473-897c750b0",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781162730473-897c750b0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T07:25:30.473505+00:00",
      "updated_at": "2026-06-11T07:25:30.473505+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0514,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 13333,
          "output_tokens": 2615,
          "reasoning_tokens": 0,
          "cache_read_tokens": 127332,
          "cache_write_tokens": 1651,
          "cost_amount": 4.43321385
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-5aec03b6-1b79-4559-9c94-61ad9a2c7523",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T01:09:50.546659+00:00",
      "updated_at": "2026-06-11T01:09:50.546659+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "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": [
          "region",
          "tikv"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0247,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7415,
          "output_tokens": 5379,
          "reasoning_tokens": 0,
          "cache_read_tokens": 80890,
          "cache_write_tokens": 24754,
          "cost_amount": 0.44003955
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781153449568-9bbdf43a1",
      "title": "Our TiDB cluster running in PRD env got warning",
      "url": "https://investibook.com/workspace/ws-1781153449568-9bbdf43a1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T04:50:49.568880+00:00",
      "updated_at": "2026-06-11T04:52:33.535084+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "peer",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "ru"
        ],
        "message_count_used": 17,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0242,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 8034,
          "output_tokens": 138,
          "reasoning_tokens": 0,
          "cache_read_tokens": 64506,
          "cache_write_tokens": 176,
          "cost_amount": 1.5388010999999997
        },
        "message_categories": {
          "产出物迭代": 3,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-15bf3988-52d1-4a12-9f92-52123c89cb5d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T13:17:23.578800+00:00",
      "updated_at": "2026-06-11T13:17:23.578800+00:00",
      "user_email": "peiliang.liu@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": "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": 0.0237,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 7044,
          "output_tokens": 1790,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38048,
          "cache_write_tokens": 8745,
          "cost_amount": 0.33703515
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "title": "Lark O11Y-2586563",
      "url": "https://investibook.com/workspace/lark-ws-6b5d282e-41f1-44cf-be41-b9b0a5735e87",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T19:47:44.667719+00:00",
      "updated_at": "2026-06-10T19:47:44.667719+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "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": 0.0231,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 6835,
          "output_tokens": 1861,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50539,
          "cache_write_tokens": 10654,
          "cost_amount": 0.35738295
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d7b6c56a-8a1f-4241-8cd7-62f5e51e7020",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T09:16:22.494642+00:00",
      "updated_at": "2026-06-11T09:16:22.494642+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "evidence-postpass",
      "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": [
          "ru"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0228,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5313,
          "output_tokens": 1962,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82295,
          "cache_write_tokens": 307,
          "cost_amount": 1.5348141
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781114521298-b2e8b618b",
      "title": "O11Y-2586481",
      "url": "https://investibook.com/workspace/ws-1781114521298-b2e8b618b",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-10T18:02:01.298643+00:00",
      "updated_at": "2026-06-10T18:02:05.903793+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "changefeed",
          "lag",
          "ticdc"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0191,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3868,
          "output_tokens": 1536,
          "reasoning_tokens": 0,
          "cache_read_tokens": 58095,
          "cache_write_tokens": 2233,
          "cost_amount": 0.7797780000000001
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781160581566-d865a5906",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781160581566-d865a5906",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T06:49:41.566608+00:00",
      "updated_at": "2026-06-11T06:49:41.566608+00:00",
      "user_email": "yuping@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "sql"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0168,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 4594,
          "output_tokens": 2261,
          "reasoning_tokens": 0,
          "cache_read_tokens": 88358,
          "cache_write_tokens": 614,
          "cost_amount": 1.9706541000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1780454535651-3396f6048",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1780454535651-3396f6048",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-03T02:42:15.651936+00:00",
      "updated_at": "2026-06-03T02:42:15.651936+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "slow sql",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "ru",
            "容量"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "ru",
          "slow sql",
          "sql",
          "tikv",
          "容量"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0059,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1979,
          "output_tokens": 1,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 108179,
          "cost_amount": 0.42226499999999995
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "title": "Lark O11Y-2586901",
      "url": "https://investibook.com/workspace/lark-ws-24d133e3-90bb-49e3-a86f-93cc6f0420d2",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-11T08:12:59.933218+00:00",
      "updated_at": "2026-06-11T08:12:59.933218+00:00",
      "user_email": "zhangming@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": "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": 0.0028,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 909,
          "output_tokens": 133,
          "reasoning_tokens": 0,
          "cache_read_tokens": 24104,
          "cache_write_tokens": 781,
          "cost_amount": 0.23001705000000003
        },
        "message_categories": {
          "解释追问": 2
        }
      }
    }
  ]
}