{
  "date": "2026-06-18",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-06-18T00:00:00+08:00",
  "window_end": "2026-06-19T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 23,
    "updated_existing_workspace_count": 18,
    "changed_workspace_count": 41
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1781751993700-3d53e00b4",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1781751993700-3d53e00b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T03:06:33.700381+00:00",
      "updated_at": "2026-06-18T03:06:33.700381+00:00",
      "user_email": "yan.zhou@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 4,
          "matched_terms": [
            "lock",
            "pessimistic",
            "冲突",
            "锁"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "p99"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "lock",
          "p99",
          "pd",
          "pessimistic",
          "region",
          "scheduler",
          "sql",
          "tikv",
          "tso",
          "冲突",
          "慢查询",
          "执行计划",
          "热点",
          "索引",
          "锁"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.473,
        "message_count": 35,
        "user_message_count": 18,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 30,
          "input_tokens": 52067,
          "output_tokens": 3713,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126341,
          "cache_write_tokens": 2380,
          "cost_amount": 10.665588900000005
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 9,
          "诊断启动": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744721408-0ba3392f0",
      "title": "You are working on manual_compaction.py for",
      "url": "https://investibook.com/workspace/ws-1781744721408-0ba3392f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:05:21.408466+00:00",
      "updated_at": "2026-06-18T01:10:23.195353+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io"
        ],
        "message_count_used": 19,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 8.8653,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 1,
          "output_tokens": 52,
          "reasoning_tokens": 0,
          "cache_read_tokens": 74993,
          "cache_write_tokens": 1354,
          "cost_amount": 8.865297750000003
        },
        "message_categories": {
          "产出物迭代": 9,
          "流程控制/确认": 2,
          "背景补充": 8
        }
      }
    },
    {
      "workspace_id": "ws-1781787955161-96eb24901",
      "title": "You are working on an issue in",
      "url": "https://investibook.com/workspace/ws-1781787955161-96eb24901",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T13:05:55.161373+00:00",
      "updated_at": "2026-06-18T13:32:41.890500+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "backup_or_restore": 1,
        "data_import_or_load": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "source file"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "import",
          "io",
          "leader",
          "pd",
          "peer",
          "raft",
          "region",
          "snapshot",
          "source file",
          "tikv"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.3515,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 9980,
          "reasoning_tokens": 0,
          "cache_read_tokens": 152409,
          "cache_write_tokens": 3883,
          "cost_amount": 5.3514820499999995
        },
        "message_categories": {
          "产出物迭代": 5
        }
      }
    },
    {
      "workspace_id": "ws-1781775348846-c6d41bb30",
      "title": "查询一下集群 10989049060142230334，如下慢 sql 的出现频率，和时间分布。",
      "url": "https://investibook.com/workspace/ws-1781775348846-c6d41bb30",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:35:48.846134+00:00",
      "updated_at": "2026-06-18T09:38:36.595476+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "pd",
            "tso"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "slow sql",
          "sql",
          "慢查询"
        ],
        "message_count_used": 16,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.0568,
        "message_count": 28,
        "user_message_count": 14,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 28,
          "input_tokens": 8712,
          "output_tokens": 1091,
          "reasoning_tokens": 0,
          "cache_read_tokens": 175873,
          "cache_write_tokens": 4600,
          "cost_amount": 5.085597299999999
        },
        "message_categories": {
          "Ad hoc 查询": 9,
          "诊断启动": 2,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781720974278-1bb9beade",
      "title": "TCOC-5429_MPPExchangeTunnelTimeout_wetech",
      "url": "https://investibook.com/workspace/ws-1781720974278-1bb9beade",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-17T18:29:34.278695+00:00",
      "updated_at": "2026-06-17T18:29:34.278695+00:00",
      "user_email": "stanley.huang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "cli",
      "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,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "digest",
            "optimizer",
            "plan",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "coprocess",
          "coprocessor",
          "cpu",
          "digest",
          "latency",
          "operator",
          "optimizer",
          "plan",
          "query",
          "region",
          "ru",
          "slow query",
          "snapshot",
          "sql",
          "tikv"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6941,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 7500,
          "output_tokens": 4590,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66297,
          "cache_write_tokens": 13872,
          "cost_amount": 0.72040095
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-aa39ce88-b497-48a6-8cf8-2714aed2b1ae",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-aa39ce88-b497-48a6-8cf8-2714aed2b1ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T12:24:26.455053+00:00",
      "updated_at": "2026-06-18T12:24:26.455053+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 2,
          "matched_terms": [
            "add index",
            "alter table"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5056,
        "message_count": 36,
        "user_message_count": 12,
        "assistant_message_count": 24,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 10,
          "output_tokens": 498,
          "reasoning_tokens": 0,
          "cache_read_tokens": 39576,
          "cache_write_tokens": 1664,
          "cost_amount": 0.5056197
        },
        "message_categories": {
          "Ad hoc 查询": 10,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744436938-b84636821",
      "title": "https://tidb.atlassian.net/browse/GTOC-8536",
      "url": "https://investibook.com/workspace/ws-1781744436938-b84636821",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:00:36.938328+00:00",
      "updated_at": "2026-06-18T01:00:40.669431+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": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io",
          "iops",
          "rocksdb"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4781,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 4987,
          "output_tokens": 5441,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44390,
          "cache_write_tokens": 3079,
          "cost_amount": 0.53853165
        },
        "message_categories": {
          "诊断启动": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781771879560-1f87d5c02",
      "title": "客户咨询执行计划选择索引问题，下面的 SQL",
      "url": "https://investibook.com/workspace/ws-1781771879560-1f87d5c02",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T08:37:59.560629+00:00",
      "updated_at": "2026-06-18T08:38:59.050744+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": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "operator",
            "pd",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "优化器",
          "执行计划",
          "索引"
        ],
        "message_count_used": 9,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4239,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 3928,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 28650,
          "cost_amount": 0.42394275000000003
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781773656908-5e44ce96d",
      "title": "https://tidb.atlassian.net/browse/TCOC-5433",
      "url": "https://investibook.com/workspace/ws-1781773656908-5e44ce96d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:07:36.908028+00:00",
      "updated_at": "2026-06-18T09:07:42.274561+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
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        },
        {
          "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "plan",
          "scan",
          "sql",
          "total keys",
          "慢查询",
          "索引"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3995,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 7971,
          "reasoning_tokens": 0,
          "cache_read_tokens": 49365,
          "cache_write_tokens": 3554,
          "cost_amount": 0.39945195
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:09:37.776656+00:00",
      "updated_at": "2026-06-18T05:09:37.776656+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "每天",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3934,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 1579,
          "output_tokens": 339,
          "reasoning_tokens": 0,
          "cache_read_tokens": 37134,
          "cache_write_tokens": 575,
          "cost_amount": 0.39817515
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-9d421c91-ba7a-4e03-b29c-047622db8a19",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-9d421c91-ba7a-4e03-b29c-047622db8a19",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T11:32:49.612444+00:00",
      "updated_at": "2026-06-18T11:32:49.612444+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 2,
          "matched_terms": [
            "add index",
            "alter table"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 9,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2498,
        "message_count": 27,
        "user_message_count": 9,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10,
          "output_tokens": 533,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27823,
          "cache_write_tokens": 1962,
          "cost_amount": 0.24979844999999998
        },
        "message_categories": {
          "解释追问": 2,
          "流程控制/确认": 4,
          "方法论/能力咨询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781749230286-6d00272c4",
      "title": "看一下这个慢查询, 执行计划有点长，会分开信息发",
      "url": "https://investibook.com/workspace/ws-1781749230286-6d00272c4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T02:20:30.286258+00:00",
      "updated_at": "2026-06-18T02:21:41.861874+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": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 7,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 4,
          "matched_terms": [
            "compaction",
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "disk",
          "duration",
          "io",
          "operator",
          "rocksdb",
          "ru",
          "sql",
          "timestamp",
          "慢查询",
          "执行计划"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2438,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 1180,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 21836,
          "cost_amount": 0.24378915
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781751993700-3d53e00b4",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1781751993700-3d53e00b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T03:06:33.700381+00:00",
      "updated_at": "2026-06-18T03:06:33.700381+00:00",
      "user_email": "yan.zhou@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 4,
          "matched_terms": [
            "lock",
            "pessimistic",
            "冲突",
            "锁"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "p99"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "lock",
          "p99",
          "pd",
          "pessimistic",
          "region",
          "scheduler",
          "sql",
          "tikv",
          "tso",
          "冲突",
          "慢查询",
          "执行计划",
          "热点",
          "索引",
          "锁"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1926,
        "message_count": 35,
        "user_message_count": 18,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 30,
          "input_tokens": 52067,
          "output_tokens": 3713,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126341,
          "cache_write_tokens": 2380,
          "cost_amount": 10.665588900000005
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 9,
          "诊断启动": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781747179744-f76ece5b1",
      "title": "帮我看下 https://tidb.atlassian.net/browse/TCOC-5429",
      "url": "https://investibook.com/workspace/ws-1781747179744-f76ece5b1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:46:19.744807+00:00",
      "updated_at": "2026-06-18T01:47:07.757374+00:00",
      "user_email": "tailingxiang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.1741,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1306,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16789,
          "cache_write_tokens": 21024,
          "cost_amount": 0.17405654999999998
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5e047954-367b-456c-8822-19679a5fb8f6",
      "title": "Lark NAID-12098",
      "url": "https://investibook.com/workspace/lark-ws-5e047954-367b-456c-8822-19679a5fb8f6",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T08:12:15.155540+00:00",
      "updated_at": "2026-06-18T08:12:15.155540+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": 0.1702,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1552,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19538,
          "cache_write_tokens": 15192,
          "cost_amount": 0.1702167
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-2d14770d-6995-4355-9de9-4f93decb6dc9",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-2d14770d-6995-4355-9de9-4f93decb6dc9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:52:36.584448+00:00",
      "updated_at": "2026-06-18T05:52:36.584448+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": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "provider",
            "region"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "csv",
          "import",
          "import into"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1572,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 17399,
          "cost_amount": 0.15723375
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781763173852-9b0d9a931",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781763173852-9b0d9a931",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T06:12:53.852851+00:00",
      "updated_at": "2026-06-18T06:12:53.852851+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": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "mvcc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0819,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1491,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15858,
          "cost_amount": 0.0818625
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744436938-b84636821",
      "title": "https://tidb.atlassian.net/browse/GTOC-8536",
      "url": "https://investibook.com/workspace/ws-1781744436938-b84636821",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:00:36.938328+00:00",
      "updated_at": "2026-06-18T01:00:40.669431+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io",
          "iops",
          "rocksdb"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0604,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 4987,
          "output_tokens": 5441,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44390,
          "cache_write_tokens": 3079,
          "cost_amount": 0.53853165
        },
        "message_categories": {
          "诊断启动": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744279727-d9cd3369d",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781744279727-d9cd3369d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T00:57:59.727811+00:00",
      "updated_at": "2026-06-18T00:57:59.727811+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "leader",
          "pd",
          "peer",
          "region",
          "snapshot",
          "tikv"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0583,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 52,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15334,
          "cost_amount": 0.0583125
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781775348846-c6d41bb30",
      "title": "查询一下集群 10989049060142230334，如下慢 sql 的出现频率，和时间分布。",
      "url": "https://investibook.com/workspace/ws-1781775348846-c6d41bb30",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:35:48.846134+00:00",
      "updated_at": "2026-06-18T09:38:36.595476+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "pd",
            "tso"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "slow sql",
          "sql",
          "慢查询"
        ],
        "message_count_used": 16,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0288,
        "message_count": 28,
        "user_message_count": 14,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 28,
          "input_tokens": 8712,
          "output_tokens": 1091,
          "reasoning_tokens": 0,
          "cache_read_tokens": 175873,
          "cache_write_tokens": 4600,
          "cost_amount": 5.085597299999999
        },
        "message_categories": {
          "Ad hoc 查询": 9,
          "诊断启动": 2,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781720974278-1bb9beade",
      "title": "TCOC-5429_MPPExchangeTunnelTimeout_wetech",
      "url": "https://investibook.com/workspace/ws-1781720974278-1bb9beade",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-17T18:29:34.278695+00:00",
      "updated_at": "2026-06-17T18:29:34.278695+00:00",
      "user_email": "stanley.huang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "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,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "digest",
            "optimizer",
            "plan",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "coprocess",
          "coprocessor",
          "cpu",
          "digest",
          "latency",
          "operator",
          "optimizer",
          "plan",
          "query",
          "region",
          "ru",
          "slow query",
          "snapshot",
          "sql",
          "tikv"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0263,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 7500,
          "output_tokens": 4590,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66297,
          "cache_write_tokens": 13872,
          "cost_amount": 0.72040095
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:09:37.776656+00:00",
      "updated_at": "2026-06-18T05:09:37.776656+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": "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": [
            "每天",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0048,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 1579,
          "output_tokens": 339,
          "reasoning_tokens": 0,
          "cache_read_tokens": 37134,
          "cache_write_tokens": 575,
          "cost_amount": 0.39817515
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781785066432-377f2523a",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781785066432-377f2523a",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T12:17:46.432900+00:00",
      "updated_at": "2026-06-18T12:17:46.432900+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "get timestamp too slow",
          "timestamp"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1781684915888-af6dd78ac",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781684915888-af6dd78ac",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.6173,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 49137,
          "output_tokens": 1363,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 2.7851614500000004
        },
        "message_categories": {}
      }
    },
    {
      "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": 2.3729,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 39443,
          "output_tokens": 2205,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 45274,
          "cost_amount": 2.5100822999999983
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 2,
          "背景补充": 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": "updated_existing",
      "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": 1.781,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 5015,
          "output_tokens": 541,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 38592,
          "cost_amount": 1.7961448500000001
        },
        "message_categories": {
          "诊断启动": 3,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781247076911-9543b7117",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781247076911-9543b7117",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-12T06:51:16.911667+00:00",
      "updated_at": "2026-06-12T06:51:16.911667+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.68,
      "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": 4,
          "matched_terms": [
            "region",
            "storage size",
            "指标",
            "每天"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "email",
            "review"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps",
          "ru",
          "容量"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5513,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 6838,
          "output_tokens": 528,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40807,
          "cache_write_tokens": 535,
          "cost_amount": 1.57974795
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781747326202-336362908",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781747326202-336362908",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8951,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3016,
          "output_tokens": 2506,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97365,
          "cache_write_tokens": 1002,
          "cost_amount": 0.91361415
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6828,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 5381,
          "cache_write_tokens": 0,
          "cost_amount": 0.6828042000000005
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781711902537-7eae35453",
      "title": "帮我看下 https://tidb.atlassian.net/browse/GTOC-8523",
      "url": "https://investibook.com/workspace/ws-1781711902537-7eae35453",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-17T15:58:22.537056+00:00",
      "updated_at": "2026-06-17T15:58:59.553233+00:00",
      "user_email": "tailingxiang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6807,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 555,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40436,
          "cache_write_tokens": 0,
          "cost_amount": 0.6807324000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3318,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 624,
          "output_tokens": 116,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30521,
          "cache_write_tokens": 0,
          "cost_amount": 0.33364395000000013
        },
        "message_categories": {}
      }
    },
    {
      "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": 0.3186,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 669,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68536,
          "cache_write_tokens": 0,
          "cost_amount": 0.31857705000000003
        },
        "message_categories": {
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781711255472-f0b61961f",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781711255472-f0b61961f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2061,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 27,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 4506,
          "cost_amount": 0.20608125000000002
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781684915888-af6dd78ac",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781684915888-af6dd78ac",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1678,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 49137,
          "output_tokens": 1363,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 2.7851614500000004
        },
        "message_categories": {}
      }
    },
    {
      "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": 0.1372,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 39443,
          "output_tokens": 2205,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 45274,
          "cost_amount": 2.5100822999999983
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744264776-cb9da4671",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781744264776-cb9da4671",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.058,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 36,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15321,
          "cost_amount": 0.05802375
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781743631143-c8163e39c",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781743631143-c8163e39c",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.058,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 32,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15333,
          "cost_amount": 0.05800875
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781247076911-9543b7117",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781247076911-9543b7117",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-12T06:51:16.911667+00:00",
      "updated_at": "2026-06-12T06:51:16.911667+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.68,
      "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": 4,
          "matched_terms": [
            "region",
            "storage size",
            "指标",
            "每天"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "email",
            "review"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps",
          "ru",
          "容量"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0284,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 6838,
          "output_tokens": 528,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40807,
          "cache_write_tokens": 535,
          "cost_amount": 1.57974795
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781747326202-336362908",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781747326202-336362908",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0185,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3016,
          "output_tokens": 2506,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97365,
          "cache_write_tokens": 1002,
          "cost_amount": 0.91361415
        },
        "message_categories": {}
      }
    },
    {
      "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": "updated_existing",
      "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": 0.0151,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 5015,
          "output_tokens": 541,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 38592,
          "cost_amount": 1.7961448500000001
        },
        "message_categories": {
          "诊断启动": 3,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0019,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 624,
          "output_tokens": 116,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30521,
          "cache_write_tokens": 0,
          "cost_amount": 0.33364395000000013
        },
        "message_categories": {}
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1781751993700-3d53e00b4",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1781751993700-3d53e00b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T03:06:33.700381+00:00",
      "updated_at": "2026-06-18T03:06:33.700381+00:00",
      "user_email": "yan.zhou@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 4,
          "matched_terms": [
            "lock",
            "pessimistic",
            "冲突",
            "锁"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "p99"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "lock",
          "p99",
          "pd",
          "pessimistic",
          "region",
          "scheduler",
          "sql",
          "tikv",
          "tso",
          "冲突",
          "慢查询",
          "执行计划",
          "热点",
          "索引",
          "锁"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 10.473,
        "message_count": 35,
        "user_message_count": 18,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 30,
          "input_tokens": 52067,
          "output_tokens": 3713,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126341,
          "cache_write_tokens": 2380,
          "cost_amount": 10.665588900000005
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 9,
          "诊断启动": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744721408-0ba3392f0",
      "title": "You are working on manual_compaction.py for",
      "url": "https://investibook.com/workspace/ws-1781744721408-0ba3392f0",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:05:21.408466+00:00",
      "updated_at": "2026-06-18T01:10:23.195353+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io"
        ],
        "message_count_used": 19,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 8.8653,
        "message_count": 38,
        "user_message_count": 19,
        "assistant_message_count": 19,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 1,
          "output_tokens": 52,
          "reasoning_tokens": 0,
          "cache_read_tokens": 74993,
          "cache_write_tokens": 1354,
          "cost_amount": 8.865297750000003
        },
        "message_categories": {
          "产出物迭代": 9,
          "流程控制/确认": 2,
          "背景补充": 8
        }
      }
    },
    {
      "workspace_id": "ws-1781787955161-96eb24901",
      "title": "You are working on an issue in",
      "url": "https://investibook.com/workspace/ws-1781787955161-96eb24901",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T13:05:55.161373+00:00",
      "updated_at": "2026-06-18T13:32:41.890500+00:00",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "storage_or_io_bottleneck": 1,
        "backup_or_restore": 1,
        "data_import_or_load": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "raft"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "data_import_or_load",
          "score": 2,
          "matched_terms": [
            "import",
            "source file"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "import",
          "io",
          "leader",
          "pd",
          "peer",
          "raft",
          "region",
          "snapshot",
          "source file",
          "tikv"
        ],
        "message_count_used": 5,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.3515,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 9980,
          "reasoning_tokens": 0,
          "cache_read_tokens": 152409,
          "cache_write_tokens": 3883,
          "cost_amount": 5.3514820499999995
        },
        "message_categories": {
          "产出物迭代": 5
        }
      }
    },
    {
      "workspace_id": "ws-1781775348846-c6d41bb30",
      "title": "查询一下集群 10989049060142230334，如下慢 sql 的出现频率，和时间分布。",
      "url": "https://investibook.com/workspace/ws-1781775348846-c6d41bb30",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:35:48.846134+00:00",
      "updated_at": "2026-06-18T09:38:36.595476+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "pd",
            "tso"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "slow sql",
          "sql",
          "慢查询"
        ],
        "message_count_used": 16,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.0568,
        "message_count": 28,
        "user_message_count": 14,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 28,
          "input_tokens": 8712,
          "output_tokens": 1091,
          "reasoning_tokens": 0,
          "cache_read_tokens": 175873,
          "cache_write_tokens": 4600,
          "cost_amount": 5.085597299999999
        },
        "message_categories": {
          "Ad hoc 查询": 9,
          "诊断启动": 2,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781684915888-af6dd78ac",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781684915888-af6dd78ac",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.6173,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 49137,
          "output_tokens": 1363,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 2.7851614500000004
        },
        "message_categories": {}
      }
    },
    {
      "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": 2.3729,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 39443,
          "output_tokens": 2205,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 45274,
          "cost_amount": 2.5100822999999983
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 2,
          "背景补充": 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": "updated_existing",
      "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": 1.781,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 5015,
          "output_tokens": 541,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 38592,
          "cost_amount": 1.7961448500000001
        },
        "message_categories": {
          "诊断启动": 3,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781247076911-9543b7117",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781247076911-9543b7117",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-12T06:51:16.911667+00:00",
      "updated_at": "2026-06-12T06:51:16.911667+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.68,
      "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": 4,
          "matched_terms": [
            "region",
            "storage size",
            "指标",
            "每天"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "email",
            "review"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps",
          "ru",
          "容量"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5513,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 6838,
          "output_tokens": 528,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40807,
          "cache_write_tokens": 535,
          "cost_amount": 1.57974795
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781747326202-336362908",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781747326202-336362908",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8951,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3016,
          "output_tokens": 2506,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97365,
          "cache_write_tokens": 1002,
          "cost_amount": 0.91361415
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781720974278-1bb9beade",
      "title": "TCOC-5429_MPPExchangeTunnelTimeout_wetech",
      "url": "https://investibook.com/workspace/ws-1781720974278-1bb9beade",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-17T18:29:34.278695+00:00",
      "updated_at": "2026-06-17T18:29:34.278695+00:00",
      "user_email": "stanley.huang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "cli",
      "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,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "digest",
            "optimizer",
            "plan",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "coprocess",
          "coprocessor",
          "cpu",
          "digest",
          "latency",
          "operator",
          "optimizer",
          "plan",
          "query",
          "region",
          "ru",
          "slow query",
          "snapshot",
          "sql",
          "tikv"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6941,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 7500,
          "output_tokens": 4590,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66297,
          "cache_write_tokens": 13872,
          "cost_amount": 0.72040095
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6828,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 5381,
          "cache_write_tokens": 0,
          "cost_amount": 0.6828042000000005
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781711902537-7eae35453",
      "title": "帮我看下 https://tidb.atlassian.net/browse/GTOC-8523",
      "url": "https://investibook.com/workspace/ws-1781711902537-7eae35453",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-17T15:58:22.537056+00:00",
      "updated_at": "2026-06-17T15:58:59.553233+00:00",
      "user_email": "tailingxiang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6807,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 555,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40436,
          "cache_write_tokens": 0,
          "cost_amount": 0.6807324000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-aa39ce88-b497-48a6-8cf8-2714aed2b1ae",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-aa39ce88-b497-48a6-8cf8-2714aed2b1ae",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T12:24:26.455053+00:00",
      "updated_at": "2026-06-18T12:24:26.455053+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 2,
          "matched_terms": [
            "add index",
            "alter table"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 12,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5056,
        "message_count": 36,
        "user_message_count": 12,
        "assistant_message_count": 24,
        "token_usage": {
          "interaction_records": 12,
          "input_tokens": 10,
          "output_tokens": 498,
          "reasoning_tokens": 0,
          "cache_read_tokens": 39576,
          "cache_write_tokens": 1664,
          "cost_amount": 0.5056197
        },
        "message_categories": {
          "Ad hoc 查询": 10,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744436938-b84636821",
      "title": "https://tidb.atlassian.net/browse/GTOC-8536",
      "url": "https://investibook.com/workspace/ws-1781744436938-b84636821",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:00:36.938328+00:00",
      "updated_at": "2026-06-18T01:00:40.669431+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": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io",
          "iops",
          "rocksdb"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4781,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 4987,
          "output_tokens": 5441,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44390,
          "cache_write_tokens": 3079,
          "cost_amount": 0.53853165
        },
        "message_categories": {
          "诊断启动": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781771879560-1f87d5c02",
      "title": "客户咨询执行计划选择索引问题，下面的 SQL",
      "url": "https://investibook.com/workspace/ws-1781771879560-1f87d5c02",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T08:37:59.560629+00:00",
      "updated_at": "2026-06-18T08:38:59.050744+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": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.9,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "operator",
            "pd",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "scan",
          "sql",
          "优化器",
          "执行计划",
          "索引"
        ],
        "message_count_used": 9,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4239,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 3928,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 28650,
          "cost_amount": 0.42394275000000003
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781773656908-5e44ce96d",
      "title": "https://tidb.atlassian.net/browse/TCOC-5433",
      "url": "https://investibook.com/workspace/ws-1781773656908-5e44ce96d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:07:36.908028+00:00",
      "updated_at": "2026-06-18T09:07:42.274561+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
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        },
        {
          "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": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "plan",
          "scan",
          "sql",
          "total keys",
          "慢查询",
          "索引"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3995,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 7971,
          "reasoning_tokens": 0,
          "cache_read_tokens": 49365,
          "cache_write_tokens": 3554,
          "cost_amount": 0.39945195
        },
        "message_categories": {
          "查询纠偏": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:09:37.776656+00:00",
      "updated_at": "2026-06-18T05:09:37.776656+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "每天",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3934,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 1579,
          "output_tokens": 339,
          "reasoning_tokens": 0,
          "cache_read_tokens": 37134,
          "cache_write_tokens": 575,
          "cost_amount": 0.39817515
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3318,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 624,
          "output_tokens": 116,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30521,
          "cache_write_tokens": 0,
          "cost_amount": 0.33364395000000013
        },
        "message_categories": {}
      }
    },
    {
      "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": 0.3186,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 669,
          "reasoning_tokens": 0,
          "cache_read_tokens": 68536,
          "cache_write_tokens": 0,
          "cost_amount": 0.31857705000000003
        },
        "message_categories": {
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-9d421c91-ba7a-4e03-b29c-047622db8a19",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-9d421c91-ba7a-4e03-b29c-047622db8a19",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T11:32:49.612444+00:00",
      "updated_at": "2026-06-18T11:32:49.612444+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "ddl_or_schema_change",
          "score": 2,
          "matched_terms": [
            "add index",
            "alter table"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "scan",
          "sql",
          "索引"
        ],
        "message_count_used": 9,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2498,
        "message_count": 27,
        "user_message_count": 9,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 9,
          "input_tokens": 10,
          "output_tokens": 533,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27823,
          "cache_write_tokens": 1962,
          "cost_amount": 0.24979844999999998
        },
        "message_categories": {
          "解释追问": 2,
          "流程控制/确认": 4,
          "方法论/能力咨询": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781749230286-6d00272c4",
      "title": "看一下这个慢查询, 执行计划有点长，会分开信息发",
      "url": "https://investibook.com/workspace/ws-1781749230286-6d00272c4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T02:20:30.286258+00:00",
      "updated_at": "2026-06-18T02:21:41.861874+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": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 1,
        "resource_control_or_capacity": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 7,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 4,
          "matched_terms": [
            "compaction",
            "disk",
            "io",
            "rocksdb"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "disk",
          "duration",
          "io",
          "operator",
          "rocksdb",
          "ru",
          "sql",
          "timestamp",
          "慢查询",
          "执行计划"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2438,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 1180,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 21836,
          "cost_amount": 0.24378915
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781711255472-f0b61961f",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781711255472-f0b61961f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2061,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 27,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 4506,
          "cost_amount": 0.20608125000000002
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781751993700-3d53e00b4",
      "title": "無題のワークスペース",
      "url": "https://investibook.com/workspace/ws-1781751993700-3d53e00b4",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T03:06:33.700381+00:00",
      "updated_at": "2026-06-18T03:06:33.700381+00:00",
      "user_email": "yan.zhou@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "transaction_or_lock_contention": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 4,
          "matched_terms": [
            "sql",
            "慢查询",
            "执行计划",
            "索引"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 4,
          "matched_terms": [
            "lock",
            "pessimistic",
            "冲突",
            "锁"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 3,
          "matched_terms": [
            "pd",
            "scheduler",
            "tso"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "p99"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "lock",
          "p99",
          "pd",
          "pessimistic",
          "region",
          "scheduler",
          "sql",
          "tikv",
          "tso",
          "冲突",
          "慢查询",
          "执行计划",
          "热点",
          "索引",
          "锁"
        ],
        "message_count_used": 19,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1926,
        "message_count": 35,
        "user_message_count": 18,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 30,
          "input_tokens": 52067,
          "output_tokens": 3713,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126341,
          "cache_write_tokens": 2380,
          "cost_amount": 10.665588900000005
        },
        "message_categories": {
          "查询纠偏": 1,
          "Ad hoc 查询": 9,
          "诊断启动": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781747179744-f76ece5b1",
      "title": "帮我看下 https://tidb.atlassian.net/browse/TCOC-5429",
      "url": "https://investibook.com/workspace/ws-1781747179744-f76ece5b1",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:46:19.744807+00:00",
      "updated_at": "2026-06-18T01:47:07.757374+00:00",
      "user_email": "tailingxiang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.1741,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1306,
          "reasoning_tokens": 0,
          "cache_read_tokens": 16789,
          "cache_write_tokens": 21024,
          "cost_amount": 0.17405654999999998
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5e047954-367b-456c-8822-19679a5fb8f6",
      "title": "Lark NAID-12098",
      "url": "https://investibook.com/workspace/lark-ws-5e047954-367b-456c-8822-19679a5fb8f6",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T08:12:15.155540+00:00",
      "updated_at": "2026-06-18T08:12:15.155540+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": 0.1702,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1552,
          "reasoning_tokens": 0,
          "cache_read_tokens": 19538,
          "cache_write_tokens": 15192,
          "cost_amount": 0.1702167
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781684915888-af6dd78ac",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781684915888-af6dd78ac",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1678,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 49137,
          "output_tokens": 1363,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 2.7851614500000004
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-2d14770d-6995-4355-9de9-4f93decb6dc9",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-2d14770d-6995-4355-9de9-4f93decb6dc9",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:52:36.584448+00:00",
      "updated_at": "2026-06-18T05:52:36.584448+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": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "provider",
            "region"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "csv",
          "import",
          "import into"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1572,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1123,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 17399,
          "cost_amount": 0.15723375
        },
        "message_categories": {
          "产出物迭代": 1,
          "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": 0.1372,
        "message_count": 16,
        "user_message_count": 8,
        "assistant_message_count": 8,
        "token_usage": {
          "interaction_records": 16,
          "input_tokens": 39443,
          "output_tokens": 2205,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 45274,
          "cost_amount": 2.5100822999999983
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "解释追问": 1,
          "流程控制/确认": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781763173852-9b0d9a931",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781763173852-9b0d9a931",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T06:12:53.852851+00:00",
      "updated_at": "2026-06-18T06:12:53.852851+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": "transaction_or_lock_contention",
      "scenario_category_counts": {
        "transaction_or_lock_contention": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "mvcc"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0819,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1491,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15858,
          "cost_amount": 0.0818625
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744436938-b84636821",
      "title": "https://tidb.atlassian.net/browse/GTOC-8536",
      "url": "https://investibook.com/workspace/ws-1781744436938-b84636821",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T01:00:36.938328+00:00",
      "updated_at": "2026-06-18T01:00:40.669431+00:00",
      "user_email": "debin.jia@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 3,
          "matched_terms": [
            "br"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "compaction",
          "io",
          "iops",
          "rocksdb"
        ],
        "message_count_used": 3,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0604,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 4987,
          "output_tokens": 5441,
          "reasoning_tokens": 0,
          "cache_read_tokens": 44390,
          "cache_write_tokens": 3079,
          "cost_amount": 0.53853165
        },
        "message_categories": {
          "诊断启动": 2,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744279727-d9cd3369d",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781744279727-d9cd3369d",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T00:57:59.727811+00:00",
      "updated_at": "2026-06-18T00:57:59.727811+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "leader",
          "pd",
          "peer",
          "region",
          "snapshot",
          "tikv"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0583,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 52,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15334,
          "cost_amount": 0.0583125
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781744264776-cb9da4671",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781744264776-cb9da4671",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "shentaining@pingcap.com",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.058,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 36,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15321,
          "cost_amount": 0.05802375
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781743631143-c8163e39c",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781743631143-c8163e39c",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.058,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 32,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 15333,
          "cost_amount": 0.05800875
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781775348846-c6d41bb30",
      "title": "查询一下集群 10989049060142230334，如下慢 sql 的出现频率，和时间分布。",
      "url": "https://investibook.com/workspace/ws-1781775348846-c6d41bb30",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T09:35:48.846134+00:00",
      "updated_at": "2026-06-18T09:38:36.595476+00:00",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "pd",
            "tso"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query",
          "slow sql",
          "sql",
          "慢查询"
        ],
        "message_count_used": 16,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0288,
        "message_count": 28,
        "user_message_count": 14,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 28,
          "input_tokens": 8712,
          "output_tokens": 1091,
          "reasoning_tokens": 0,
          "cache_read_tokens": 175873,
          "cache_write_tokens": 4600,
          "cost_amount": 5.085597299999999
        },
        "message_categories": {
          "Ad hoc 查询": 9,
          "诊断启动": 2,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1781247076911-9543b7117",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781247076911-9543b7117",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-12T06:51:16.911667+00:00",
      "updated_at": "2026-06-12T06:51:16.911667+00:00",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "channel": "evidence-postpass",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.68,
      "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": 4,
          "matched_terms": [
            "region",
            "storage size",
            "指标",
            "每天"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "index",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "io",
            "存储"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "ticket_summary_or_customer_response",
          "score": 2,
          "matched_terms": [
            "email",
            "review"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps",
          "ru",
          "容量"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0284,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 6838,
          "output_tokens": 528,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40807,
          "cache_write_tokens": 535,
          "cost_amount": 1.57974795
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781720974278-1bb9beade",
      "title": "TCOC-5429_MPPExchangeTunnelTimeout_wetech",
      "url": "https://investibook.com/workspace/ws-1781720974278-1bb9beade",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-17T18:29:34.278695+00:00",
      "updated_at": "2026-06-17T18:29:34.278695+00:00",
      "user_email": "stanley.huang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "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,
        "backup_or_restore": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 6,
          "matched_terms": [
            "digest",
            "optimizer",
            "plan",
            "query",
            "slow query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "coprocess",
            "coprocessor",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "latency",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "backup_or_restore",
          "score": 2,
          "matched_terms": [
            "br",
            "snapshot"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "coprocess",
          "coprocessor",
          "cpu",
          "digest",
          "latency",
          "operator",
          "optimizer",
          "plan",
          "query",
          "region",
          "ru",
          "slow query",
          "snapshot",
          "sql",
          "tikv"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0263,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 7500,
          "output_tokens": 4590,
          "reasoning_tokens": 0,
          "cache_read_tokens": 66297,
          "cache_write_tokens": 13872,
          "cost_amount": 0.72040095
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "ws-1781747326202-336362908",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1781747326202-336362908",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0185,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 3016,
          "output_tokens": 2506,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97365,
          "cache_write_tokens": 1002,
          "cost_amount": 0.91361415
        },
        "message_categories": {}
      }
    },
    {
      "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": "updated_existing",
      "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": 0.0151,
        "message_count": 10,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 10,
          "input_tokens": 5015,
          "output_tokens": 541,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 38592,
          "cost_amount": 1.7961448500000001
        },
        "message_categories": {
          "诊断启动": 3,
          "流程控制/确认": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-d48cf586-92b0-412e-8d18-93e2deb86d90",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T05:09:37.776656+00:00",
      "updated_at": "2026-06-18T05:09:37.776656+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": "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": [
            "每天",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "qps",
          "ru"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0048,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 1579,
          "output_tokens": 339,
          "reasoning_tokens": 0,
          "cache_read_tokens": 37134,
          "cache_write_tokens": 575,
          "cost_amount": 0.39817515
        },
        "message_categories": {
          "Ad hoc 查询": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-2d1f4794-9766-4c76-970c-0c82b3b231be",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "",
      "team_path": "",
      "team": "",
      "channel": "evidence-postpass",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0019,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 624,
          "output_tokens": 116,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30521,
          "cache_write_tokens": 0,
          "cost_amount": 0.33364395000000013
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1781785066432-377f2523a",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1781785066432-377f2523a",
      "workspace_lifecycle": "new",
      "created_at": "2026-06-18T12:17:46.432900+00:00",
      "updated_at": "2026-06-18T12:17:46.432900+00:00",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "get timestamp too slow",
          "timestamp"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ]
}
