{
  "date": "2026-07-28",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-07-28T00:00:00+08:00",
  "window_end": "2026-07-29T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 37,
    "updated_existing_workspace_count": 14,
    "changed_workspace_count": 51
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1785204461937-7e043d94a",
      "title": "TokenPocket 0728 10821642679432589811",
      "url": "https://investibook.com/workspace/ws-1785204461937-7e043d94a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:07:41.937610+00:00",
      "updated_at": "2026-07-28T02:47:22.760243+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps",
          "ru"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.8255,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1708,
          "output_tokens": 1746,
          "reasoning_tokens": 0,
          "cache_read_tokens": 145084,
          "cache_write_tokens": 590,
          "cost_amount": 5.843895600000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785207307665-c42204145",
      "title": "TCID-12967 CAPCOM version up 8.5.7",
      "url": "https://investibook.com/workspace/ws-1785207307665-c42204145",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:55:07.665405+00:00",
      "updated_at": "2026-07-28T02:56:30.839005+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 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": [
            "digest",
            "plan",
            "sql",
            "topsql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "io",
          "plan",
          "ru",
          "sql",
          "topsql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.7407,
        "message_count": 36,
        "user_message_count": 18,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 24,
          "input_tokens": 9522,
          "output_tokens": 3828,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 152388,
          "cost_amount": 5.825145000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 6,
          "Ad hoc 查询": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ac2c15fb-5a1b-42e5-abdf-8a5e3dee2d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ac2c15fb-5a1b-42e5-abdf-8a5e3dee2d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T07:56:08.239947+00:00",
      "updated_at": "2026-07-28T07:56:08.239947+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": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "transaction"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql",
          "优化器",
          "执行计划",
          "索引"
        ],
        "message_count_used": 26,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.7474,
        "message_count": 78,
        "user_message_count": 26,
        "assistant_message_count": 52,
        "token_usage": {
          "interaction_records": 26,
          "input_tokens": 10,
          "output_tokens": 1934,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 147033,
          "cost_amount": 4.7473971
        },
        "message_categories": {
          "Ad hoc 查询": 18,
          "解释追问": 5,
          "流程控制/确认": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785241927845-4ef72134c",
      "title": "APID-29264",
      "url": "https://investibook.com/workspace/ws-1785241927845-4ef72134c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:32:07.845846+00:00",
      "updated_at": "2026-07-28T12:32:11.831767+00:00",
      "user_email": "zhipeng.su@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,
        "pd_tso_or_scheduling": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd",
          "query",
          "restart",
          "sql",
          "重启"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.1164,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 15,
          "input_tokens": 10,
          "output_tokens": 1279,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54453,
          "cache_write_tokens": 2094,
          "cost_amount": 3.116446049999999
        },
        "message_categories": {
          "产出物迭代": 3,
          "Ad hoc 查询": 4,
          "诊断启动": 1,
          "解释追问": 6,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785219381710-1c09c487b",
      "title": "https://tidb.atlassian.net/browse/O11Y-2625107",
      "url": "https://investibook.com/workspace/ws-1785219381710-1c09c487b",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:16:21.710213+00:00",
      "updated_at": "2026-07-28T06:17:00.292967+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": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "恢复"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.5111,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 891,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 103956,
          "cost_amount": 2.5111062000000013
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-5b96ae12c7510a3999c02f12b704c698",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5b96ae12c7510a3999c02f12b704c698",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:09:19.296484+00:00",
      "updated_at": "2026-07-28T04:09:19.296484+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4968,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 511,
          "output_tokens": 2417,
          "reasoning_tokens": 0,
          "cache_read_tokens": 137613,
          "cache_write_tokens": 378,
          "cost_amount": 1.50742215
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785179041874-12c4ad9b3",
      "title": "O11Y-2624716_TiDBP999LatencySurgeNextGen_DigiPlus",
      "url": "https://investibook.com/workspace/ws-1785179041874-12c4ad9b3",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-27T19:04:01.874402+00:00",
      "updated_at": "2026-07-27T19:04:01.874402+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "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": [
            "hotspot",
            "region"
          ]
        },
        {
          "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": [
            "scheduling",
            "timestamp"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "capacity",
          "latency",
          "p99",
          "p999"
        ],
        "message_count_used": 8,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4922,
        "message_count": 13,
        "user_message_count": 8,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 3127,
          "reasoning_tokens": 0,
          "cache_read_tokens": 132212,
          "cache_write_tokens": 510,
          "cost_amount": 1.4922444000000004
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 6
        }
      }
    },
    {
      "workspace_id": "ws-1785219296765-65111f4ab",
      "title": "这个单子帮我看看 https://tidb.atlassian.net/browse/O11Y-26",
      "url": "https://investibook.com/workspace/ws-1785219296765-65111f4ab",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:14:56.765677+00:00",
      "updated_at": "2026-07-28T06:20:04.294348+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": 1.4469,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 993,
          "reasoning_tokens": 0,
          "cache_read_tokens": 174650,
          "cache_write_tokens": 554,
          "cost_amount": 1.4468691000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-5476175a2c7918b3b682c75cd09122c7",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5476175a2c7918b3b682c75cd09122c7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:39:00.082788+00:00",
      "updated_at": "2026-07-28T09:39:00.082788+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8281,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5238,
          "output_tokens": 4386,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86768,
          "cache_write_tokens": 421,
          "cost_amount": 0.88203915
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785232622789-6167c7fa1",
      "title": "ST-2850",
      "url": "https://investibook.com/workspace/ws-1785232622789-6167c7fa1",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:57:02.789613+00:00",
      "updated_at": "2026-07-28T09:57:12.531105+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7918,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 10,
          "output_tokens": 941,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 67707,
          "cost_amount": 0.79183965
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785209018982-ccde8c9aa",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1785209018982-ccde8c9aa",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T03:23:38.983016+00:00",
      "updated_at": "2026-07-28T03:23:38.983016+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7852,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1247,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97771,
          "cache_write_tokens": 221,
          "cost_amount": 0.7851834000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-476e6aa0-b00c-406b-b5fe-0198debfd3e2",
      "title": "Lark O11Y-2625199",
      "url": "https://investibook.com/workspace/lark-ws-476e6aa0-b00c-406b-b5fe-0198debfd3e2",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T08:23:18.822770+00:00",
      "updated_at": "2026-07-28T08:23:18.822770+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7738,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 961,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79568,
          "cache_write_tokens": 350,
          "cost_amount": 0.7738473
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-254a2632-f1c0-4148-8273-296669b67699",
      "title": "Lark APID-29263",
      "url": "https://investibook.com/workspace/lark-ws-254a2632-f1c0-4148-8273-296669b67699",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T05:53:48.325207+00:00",
      "updated_at": "2026-07-28T05:53:48.325207+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": 0.7313,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 623,
          "reasoning_tokens": 0,
          "cache_read_tokens": 72117,
          "cache_write_tokens": 1021,
          "cost_amount": 0.7312851000000001
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785232112169-b8f3d44b5",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1785232112169-b8f3d44b5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:48:32.169034+00:00",
      "updated_at": "2026-07-28T09:48:32.169034+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7179,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 632,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90718,
          "cache_write_tokens": 1410,
          "cost_amount": 0.7179156
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a2fa2130-0389-495f-92a9-b6057d77f3a2",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a2fa2130-0389-495f-92a9-b6057d77f3a2",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T11:00:31.808994+00:00",
      "updated_at": "2026-07-28T11:00:31.808994+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": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6679,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1429,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82744,
          "cache_write_tokens": 387,
          "cost_amount": 0.66793515
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5c585080-c4c4-4bd3-a738-9ae2ab1ba1f8",
      "title": "Lark TCID-12973",
      "url": "https://investibook.com/workspace/lark-ws-5c585080-c4c4-4bd3-a738-9ae2ab1ba1f8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:12:22.757353+00:00",
      "updated_at": "2026-07-28T04:12:22.757353+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6375,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1185,
          "reasoning_tokens": 0,
          "cache_read_tokens": 78278,
          "cache_write_tokens": 1664,
          "cost_amount": 0.6375221999999999
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-1357725d-835e-4ce9-86ab-724b30ae539e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1357725d-835e-4ce9-86ab-724b30ae539e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:37:24.528577+00:00",
      "updated_at": "2026-07-28T06:37:24.528577+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5862,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 675,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36541,
          "cache_write_tokens": 1109,
          "cost_amount": 0.5862215999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ee253301-52c3-43b1-aaaf-9c7ee5b8573e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ee253301-52c3-43b1-aaaf-9c7ee5b8573e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T13:15:24.753982+00:00",
      "updated_at": "2026-07-28T13:15:24.753982+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5559,
        "message_count": 21,
        "user_message_count": 7,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 10,
          "output_tokens": 1274,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50982,
          "cache_write_tokens": 720,
          "cost_amount": 0.5559063
        },
        "message_categories": {
          "Ad hoc 查询": 5,
          "解释追问": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785220106656-30abf2cf7",
      "title": "这个单子帮我看看https://tidb.atlassian.net/browse/O11Y-262",
      "url": "https://investibook.com/workspace/ws-1785220106656-30abf2cf7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:28:26.656262+00:00",
      "updated_at": "2026-07-28T06:34:15.160230+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": 0.4906,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 158,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 46107,
          "cost_amount": 0.4906089
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-82324fd5-8f87-4d84-b026-cd7e142bdff7",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-82324fd5-8f87-4d84-b026-cd7e142bdff7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:25:46.224542+00:00",
      "updated_at": "2026-07-28T12:25:46.224542+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4343,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 352,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27246,
          "cache_write_tokens": 296,
          "cost_amount": 0.4343304
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-354bdeac-dda6-4f17-aa6c-f5475e2d27e0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-354bdeac-dda6-4f17-aa6c-f5475e2d27e0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:12:53.733005+00:00",
      "updated_at": "2026-07-28T02:12:53.733005+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "sql"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4166,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 768,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 30314,
          "cost_amount": 0.4165557
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785170252311-edef6f0c5",
      "title": "Cluster 10881574064176353998",
      "url": "https://investibook.com/workspace/ws-1785170252311-edef6f0c5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-27T16:37:32.311488+00:00",
      "updated_at": "2026-07-27T16:38:25.029687+00:00",
      "user_email": "yichen.han@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "import"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3164,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 391,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40030,
          "cache_write_tokens": 300,
          "cost_amount": 0.3164466000000001
        },
        "message_categories": {
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-2ffb2397e39a68d259ee6e9c68d35909",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-2ffb2397e39a68d259ee6e9c68d35909",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:49:18.149016+00:00",
      "updated_at": "2026-07-28T12:49:18.149016+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2384,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1787,
          "output_tokens": 4818,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26087,
          "cache_write_tokens": 8563,
          "cost_amount": 0.2652165
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785231832296-2d260f8e8",
      "title": "客户cloud集群开审计日志失败了 https://tidb.atlassian.net/brows",
      "url": "https://investibook.com/workspace/ws-1785231832296-2d260f8e8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:43:52.296261+00:00",
      "updated_at": "2026-07-28T09:45:45.076874+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.2024,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1061,
          "output_tokens": 2411,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15650,
          "cache_write_tokens": 23540,
          "cost_amount": 0.2111718
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-3aa6f92296a2ddf6999fb4f19c5ab702",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-3aa6f92296a2ddf6999fb4f19c5ab702",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:45:55.791399+00:00",
      "updated_at": "2026-07-28T12:45:55.791399+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1302,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 855,
          "reasoning_tokens": 0,
          "cache_read_tokens": 20540,
          "cache_write_tokens": 609,
          "cost_amount": 0.13021935
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c3baa781-3096-47b3-a640-8e7167253e42",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c3baa781-3096-47b3-a640-8e7167253e42",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T03:14:24.377555+00:00",
      "updated_at": "2026-07-28T03:14:24.377555+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0897,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 294,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13923,
          "cache_write_tokens": 3641,
          "cost_amount": 0.0897498
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785207307665-c42204145",
      "title": "TCID-12967 CAPCOM version up 8.5.7",
      "url": "https://investibook.com/workspace/ws-1785207307665-c42204145",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:55:07.665405+00:00",
      "updated_at": "2026-07-28T02:56:30.839005+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 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": [
            "digest",
            "plan",
            "sql",
            "topsql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "io",
          "plan",
          "ru",
          "sql",
          "topsql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0844,
        "message_count": 36,
        "user_message_count": 18,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 24,
          "input_tokens": 9522,
          "output_tokens": 3828,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 152388,
          "cost_amount": 5.825145000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 6,
          "Ad hoc 查询": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d255f6f5-f5ec-4cde-abd8-bfa2e63829d3",
      "title": "Lark TCID-12975",
      "url": "https://investibook.com/workspace/lark-ws-d255f6f5-f5ec-4cde-abd8-bfa2e63829d3",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:37:05.250569+00:00",
      "updated_at": "2026-07-28T09:37:05.250569+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0785,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 591,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13599,
          "cache_write_tokens": 1386,
          "cost_amount": 0.07852485000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-26cef96c-96b5-4e85-ba10-d8a20a4081d0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-26cef96c-96b5-4e85-ba10-d8a20a4081d0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:44:28.664686+00:00",
      "updated_at": "2026-07-28T02:44:28.664686+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0622,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 836,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13233,
          "cost_amount": 0.06219375
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-e28018eb-035c-4ae9-a9a6-eb20fd15a888",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e28018eb-035c-4ae9-a9a6-eb20fd15a888",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:40:10.472521+00:00",
      "updated_at": "2026-07-28T04:40:10.472521+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0585,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 598,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13193,
          "cost_amount": 0.05847375
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-3b795098-6d57-4197-8c47-424f4e9bbd26",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-3b795098-6d57-4197-8c47-424f4e9bbd26",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T01:57:22.368838+00:00",
      "updated_at": "2026-07-28T01:57:22.368838+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "索引"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0559,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 260,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13871,
          "cost_amount": 0.05594625
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-5476175a2c7918b3b682c75cd09122c7",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5476175a2c7918b3b682c75cd09122c7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:39:00.082788+00:00",
      "updated_at": "2026-07-28T09:39:00.082788+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0539,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5238,
          "output_tokens": 4386,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86768,
          "cache_write_tokens": 421,
          "cost_amount": 0.88203915
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-2ffb2397e39a68d259ee6e9c68d35909",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-2ffb2397e39a68d259ee6e9c68d35909",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:49:18.149016+00:00",
      "updated_at": "2026-07-28T12:49:18.149016+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0268,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1787,
          "output_tokens": 4818,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26087,
          "cache_write_tokens": 8563,
          "cost_amount": 0.2652165
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785204461937-7e043d94a",
      "title": "TokenPocket 0728 10821642679432589811",
      "url": "https://investibook.com/workspace/ws-1785204461937-7e043d94a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:07:41.937610+00:00",
      "updated_at": "2026-07-28T02:47:22.760243+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "image-send",
      "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": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps",
          "ru"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0184,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1708,
          "output_tokens": 1746,
          "reasoning_tokens": 0,
          "cache_read_tokens": 145084,
          "cache_write_tokens": 590,
          "cost_amount": 5.843895600000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-5b96ae12c7510a3999c02f12b704c698",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5b96ae12c7510a3999c02f12b704c698",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:09:19.296484+00:00",
      "updated_at": "2026-07-28T04:09:19.296484+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0106,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 511,
          "output_tokens": 2417,
          "reasoning_tokens": 0,
          "cache_read_tokens": 137613,
          "cache_write_tokens": 378,
          "cost_amount": 1.50742215
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785231832296-2d260f8e8",
      "title": "客户cloud集群开审计日志失败了 https://tidb.atlassian.net/brows",
      "url": "https://investibook.com/workspace/ws-1785231832296-2d260f8e8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:43:52.296261+00:00",
      "updated_at": "2026-07-28T09:45:45.076874+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.0088,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1061,
          "output_tokens": 2411,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15650,
          "cache_write_tokens": 23540,
          "cost_amount": 0.2111718
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-fc3272a2-ed9e-4aec-8dce-6d7cd3e867dc",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-fc3272a2-ed9e-4aec-8dce-6d7cd3e867dc",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T10:30:01.601149+00:00",
      "updated_at": "2026-07-28T10:30:01.601149+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [
    {
      "workspace_id": "ws-1784684936166-e871c670a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784684936166-e871c670a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "weizhin.lim@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": 6.473,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 739,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98497,
          "cache_write_tokens": 1310,
          "cost_amount": 6.473030700000001
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1784851288773-b08320fe0",
      "title": "TCID-12956 Mercari scaling CPU balance",
      "url": "https://investibook.com/workspace/ws-1784851288773-b08320fe0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T00:01:28.773869+00:00",
      "updated_at": "2026-07-24T01:03:18.826655+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "cluster_topology_or_scaling": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 7,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler",
            "scheduling",
            "timestamp",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "p99",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hot region",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 4,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "i/o",
            "io",
            "raft"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hot region",
          "i/o",
          "io",
          "leader",
          "operator",
          "p99",
          "pd",
          "peer",
          "raft",
          "region",
          "ru",
          "scale",
          "scaling",
          "scheduler",
          "scheduling"
        ],
        "message_count_used": 109,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.8649,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 3977,
          "output_tokens": 3776,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 3799,
          "cost_amount": 4.920011700000006
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 8,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1785135120902-ca1ddb869",
      "title": "TCOC-5677",
      "url": "https://investibook.com/workspace/ws-1785135120902-ca1ddb869",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-27T06:52:00.902948+00:00",
      "updated_at": "2026-07-27T06:52:08.926942+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.3737,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 0,
          "output_tokens": 322,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.3737064
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784601056289-15f892050",
      "title": "TokenPocket 10821642679432589811 巡检",
      "url": "https://investibook.com/workspace/ws-1784601056289-15f892050",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-21T02:30:56.289388+00:00",
      "updated_at": "2026-07-28T02:07:54.869512+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "duration",
            "p99",
            "p999",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.7169,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90206,
          "cache_write_tokens": 0,
          "cost_amount": 1.7168929499999992
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5055,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126830,
          "cache_write_tokens": 0,
          "cost_amount": 1.505496749999999
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784793510348-fb2ec4135",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784793510348-fb2ec4135",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-23T07:58:30.348892+00:00",
      "updated_at": "2026-07-23T07:58:30.348892+00:00",
      "user_email": "xianjing.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance 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": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7429,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 3599,
          "output_tokens": 2879,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30346,
          "cache_write_tokens": 150,
          "cost_amount": 0.7793983500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784882729203-01a169a76",
      "title": "Cluster 10450079408690218979",
      "url": "https://investibook.com/workspace/ws-1784882729203-01a169a76",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T08:45:29.203828+00:00",
      "updated_at": "2026-07-24T08:45:29.203828+00:00",
      "user_email": "huyule@pingcap.com",
      "team_path": "Central Enabling Group / Solution Architects",
      "team": "Solution Architects",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "provider",
            "region"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "sql"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7104,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 1309,
          "reasoning_tokens": 0,
          "cache_read_tokens": 21008,
          "cache_write_tokens": 21470,
          "cost_amount": 0.7103529
        },
        "message_categories": {
          "查询纠偏": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d1ddd7c7-0d9e-4ff3-8810-312d8d8e5e0f",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-d1ddd7c7-0d9e-4ff3-8810-312d8d8e5e0f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "looperth.wong@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6311,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1152,
          "reasoning_tokens": 0,
          "cache_read_tokens": 70504,
          "cache_write_tokens": 538,
          "cost_amount": 0.63108
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1782915075529-391dc6510",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782915075529-391dc6510",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-01T14:11:15.529929+00:00",
      "updated_at": "2026-07-01T14:11:15.529929+00:00",
      "user_email": "letian.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3562,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 763,
          "cache_write_tokens": 36,
          "cost_amount": 0.3562452
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 2,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785226031556-0592facc7",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1785226031556-0592facc7",
      "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": 0.2605,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 10,
          "output_tokens": 82,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38582,
          "cache_write_tokens": 123,
          "cost_amount": 0.26046435
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1784600228647-52338e598",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784600228647-52338e598",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-21T02:17:08.647440+00:00",
      "updated_at": "2026-07-31T07:43:50.740733+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1855,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 613,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.18547124999999998
        },
        "message_categories": {
          "产出物迭代": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784851288773-b08320fe0",
      "title": "TCID-12956 Mercari scaling CPU balance",
      "url": "https://investibook.com/workspace/ws-1784851288773-b08320fe0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T00:01:28.773869+00:00",
      "updated_at": "2026-07-24T01:03:18.826655+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "cluster_topology_or_scaling": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 7,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler",
            "scheduling",
            "timestamp",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "p99",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hot region",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 4,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "i/o",
            "io",
            "raft"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hot region",
          "i/o",
          "io",
          "leader",
          "operator",
          "p99",
          "pd",
          "peer",
          "raft",
          "region",
          "ru",
          "scale",
          "scaling",
          "scheduler",
          "scheduling"
        ],
        "message_count_used": 109,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0551,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 3977,
          "output_tokens": 3776,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 3799,
          "cost_amount": 4.920011700000006
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 8,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-1784793510348-fb2ec4135",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784793510348-fb2ec4135",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-23T07:58:30.348892+00:00",
      "updated_at": "2026-07-23T07:58:30.348892+00:00",
      "user_email": "xianjing.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "channel": "image-send",
      "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": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0365,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 3599,
          "output_tokens": 2879,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30346,
          "cache_write_tokens": 150,
          "cost_amount": 0.7793983500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-56d04e08-8476-4bf7-864a-520c2b811bb7",
      "title": "Lark O11Y-2623789",
      "url": "https://investibook.com/workspace/lark-ws-56d04e08-8476-4bf7-864a-520c2b811bb7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-26T08:37:50.486063+00:00",
      "updated_at": "2026-07-26T08:37:50.486063+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1784684936166-e871c670a",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1784684936166-e871c670a",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "weizhin.lim@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": 6.473,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 739,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98497,
          "cache_write_tokens": 1310,
          "cost_amount": 6.473030700000001
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-1785204461937-7e043d94a",
      "title": "TokenPocket 0728 10821642679432589811",
      "url": "https://investibook.com/workspace/ws-1785204461937-7e043d94a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:07:41.937610+00:00",
      "updated_at": "2026-07-28T02:47:22.760243+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps",
          "ru"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.8255,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1708,
          "output_tokens": 1746,
          "reasoning_tokens": 0,
          "cache_read_tokens": 145084,
          "cache_write_tokens": 590,
          "cost_amount": 5.843895600000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785207307665-c42204145",
      "title": "TCID-12967 CAPCOM version up 8.5.7",
      "url": "https://investibook.com/workspace/ws-1785207307665-c42204145",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:55:07.665405+00:00",
      "updated_at": "2026-07-28T02:56:30.839005+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 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": [
            "digest",
            "plan",
            "sql",
            "topsql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "io",
          "plan",
          "ru",
          "sql",
          "topsql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 5.7407,
        "message_count": 36,
        "user_message_count": 18,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 24,
          "input_tokens": 9522,
          "output_tokens": 3828,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 152388,
          "cost_amount": 5.825145000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 6,
          "Ad hoc 查询": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784851288773-b08320fe0",
      "title": "TCID-12956 Mercari scaling CPU balance",
      "url": "https://investibook.com/workspace/ws-1784851288773-b08320fe0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T00:01:28.773869+00:00",
      "updated_at": "2026-07-24T01:03:18.826655+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "cluster_topology_or_scaling": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 7,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler",
            "scheduling",
            "timestamp",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "p99",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hot region",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 4,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "i/o",
            "io",
            "raft"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hot region",
          "i/o",
          "io",
          "leader",
          "operator",
          "p99",
          "pd",
          "peer",
          "raft",
          "region",
          "ru",
          "scale",
          "scaling",
          "scheduler",
          "scheduling"
        ],
        "message_count_used": 109,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.8649,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 3977,
          "output_tokens": 3776,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 3799,
          "cost_amount": 4.920011700000006
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 8,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "lark-ws-ac2c15fb-5a1b-42e5-abdf-8a5e3dee2d52",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ac2c15fb-5a1b-42e5-abdf-8a5e3dee2d52",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T07:56:08.239947+00:00",
      "updated_at": "2026-07-28T07:56:08.239947+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": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "transaction"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 2,
          "matched_terms": [
            "disk",
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "sql",
          "优化器",
          "执行计划",
          "索引"
        ],
        "message_count_used": 26,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.7474,
        "message_count": 78,
        "user_message_count": 26,
        "assistant_message_count": 52,
        "token_usage": {
          "interaction_records": 26,
          "input_tokens": 10,
          "output_tokens": 1934,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 147033,
          "cost_amount": 4.7473971
        },
        "message_categories": {
          "Ad hoc 查询": 18,
          "解释追问": 5,
          "流程控制/确认": 1,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785135120902-ca1ddb869",
      "title": "TCOC-5677",
      "url": "https://investibook.com/workspace/ws-1785135120902-ca1ddb869",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-27T06:52:00.902948+00:00",
      "updated_at": "2026-07-27T06:52:08.926942+00:00",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "timestamp"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "backup",
          "br"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.3737,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 0,
          "output_tokens": 322,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 3.3737064
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785241927845-4ef72134c",
      "title": "APID-29264",
      "url": "https://investibook.com/workspace/ws-1785241927845-4ef72134c",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:32:07.845846+00:00",
      "updated_at": "2026-07-28T12:32:11.831767+00:00",
      "user_email": "zhipeng.su@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,
        "pd_tso_or_scheduling": 1,
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "sql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "restart",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "operator",
          "pd",
          "query",
          "restart",
          "sql",
          "重启"
        ],
        "message_count_used": 16,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 3.1164,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 15,
          "input_tokens": 10,
          "output_tokens": 1279,
          "reasoning_tokens": 0,
          "cache_read_tokens": 54453,
          "cache_write_tokens": 2094,
          "cost_amount": 3.116446049999999
        },
        "message_categories": {
          "产出物迭代": 3,
          "Ad hoc 查询": 4,
          "诊断启动": 1,
          "解释追问": 6,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1785219381710-1c09c487b",
      "title": "https://tidb.atlassian.net/browse/O11Y-2625107",
      "url": "https://investibook.com/workspace/ws-1785219381710-1c09c487b",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:16:21.710213+00:00",
      "updated_at": "2026-07-28T06:17:00.292967+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": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br",
          "恢复"
        ],
        "message_count_used": 4,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.5111,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 891,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 103956,
          "cost_amount": 2.5111062000000013
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "未归类": 2
        }
      }
    },
    {
      "workspace_id": "ws-1784601056289-15f892050",
      "title": "TokenPocket 10821642679432589811 巡检",
      "url": "https://investibook.com/workspace/ws-1784601056289-15f892050",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-21T02:30:56.289388+00:00",
      "updated_at": "2026-07-28T02:07:54.869512+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.68,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "duration",
            "p99",
            "p999",
            "qps",
            "ru"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "inspection_or_report_generation",
          "score": 3,
          "matched_terms": [
            "巡检"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "query",
          "slow query",
          "sql",
          "慢查询",
          "索引"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.7169,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90206,
          "cache_write_tokens": 0,
          "cost_amount": 1.7168929499999992
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1781598701127-da28e5bfa",
      "title": "tikv自动巡检",
      "url": "https://investibook.com/workspace/ws-1781598701127-da28e5bfa",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-06-16T08:31:41.127057+00:00",
      "updated_at": "2026-06-16T08:31:54.328108+00:00",
      "user_email": "lingtao.li@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "cli",
      "scenario_group": "non_diagnosis",
      "scenario_category": "inspection_or_report_generation",
      "scenario_category_counts": {
        "inspection_or_report_generation": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "每日"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "daily inspection",
          "inspection",
          "report",
          "巡检",
          "报告"
        ],
        "message_count_used": 53,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.5055,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 126830,
          "cache_write_tokens": 0,
          "cost_amount": 1.505496749999999
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-5b96ae12c7510a3999c02f12b704c698",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5b96ae12c7510a3999c02f12b704c698",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:09:19.296484+00:00",
      "updated_at": "2026-07-28T04:09:19.296484+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4968,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 511,
          "output_tokens": 2417,
          "reasoning_tokens": 0,
          "cache_read_tokens": 137613,
          "cache_write_tokens": 378,
          "cost_amount": 1.50742215
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785179041874-12c4ad9b3",
      "title": "O11Y-2624716_TiDBP999LatencySurgeNextGen_DigiPlus",
      "url": "https://investibook.com/workspace/ws-1785179041874-12c4ad9b3",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-27T19:04:01.874402+00:00",
      "updated_at": "2026-07-27T19:04:01.874402+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.9,
      "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": [
            "hotspot",
            "region"
          ]
        },
        {
          "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": [
            "scheduling",
            "timestamp"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "capacity",
          "latency",
          "p99",
          "p999"
        ],
        "message_count_used": 8,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.4922,
        "message_count": 13,
        "user_message_count": 8,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 3127,
          "reasoning_tokens": 0,
          "cache_read_tokens": 132212,
          "cache_write_tokens": 510,
          "cost_amount": 1.4922444000000004
        },
        "message_categories": {
          "诊断启动": 2,
          "流程控制/确认": 6
        }
      }
    },
    {
      "workspace_id": "ws-1785219296765-65111f4ab",
      "title": "这个单子帮我看看 https://tidb.atlassian.net/browse/O11Y-26",
      "url": "https://investibook.com/workspace/ws-1785219296765-65111f4ab",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:14:56.765677+00:00",
      "updated_at": "2026-07-28T06:20:04.294348+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": 1.4469,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 993,
          "reasoning_tokens": 0,
          "cache_read_tokens": 174650,
          "cache_write_tokens": 554,
          "cost_amount": 1.4468691000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-5476175a2c7918b3b682c75cd09122c7",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5476175a2c7918b3b682c75cd09122c7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:39:00.082788+00:00",
      "updated_at": "2026-07-28T09:39:00.082788+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.8281,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5238,
          "output_tokens": 4386,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86768,
          "cache_write_tokens": 421,
          "cost_amount": 0.88203915
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785232622789-6167c7fa1",
      "title": "ST-2850",
      "url": "https://investibook.com/workspace/ws-1785232622789-6167c7fa1",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:57:02.789613+00:00",
      "updated_at": "2026-07-28T09:57:12.531105+00:00",
      "user_email": "zhipeng.su@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7918,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 10,
          "output_tokens": 941,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 67707,
          "cost_amount": 0.79183965
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 2,
          "解释追问": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785209018982-ccde8c9aa",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1785209018982-ccde8c9aa",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T03:23:38.983016+00:00",
      "updated_at": "2026-07-28T03:23:38.983016+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7852,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1247,
          "reasoning_tokens": 0,
          "cache_read_tokens": 97771,
          "cache_write_tokens": 221,
          "cost_amount": 0.7851834000000001
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-476e6aa0-b00c-406b-b5fe-0198debfd3e2",
      "title": "Lark O11Y-2625199",
      "url": "https://investibook.com/workspace/lark-ws-476e6aa0-b00c-406b-b5fe-0198debfd3e2",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T08:23:18.822770+00:00",
      "updated_at": "2026-07-28T08:23:18.822770+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7738,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 961,
          "reasoning_tokens": 0,
          "cache_read_tokens": 79568,
          "cache_write_tokens": 350,
          "cost_amount": 0.7738473
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784793510348-fb2ec4135",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784793510348-fb2ec4135",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-23T07:58:30.348892+00:00",
      "updated_at": "2026-07-23T07:58:30.348892+00:00",
      "user_email": "xianjing.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance 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": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7429,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 3599,
          "output_tokens": 2879,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30346,
          "cache_write_tokens": 150,
          "cost_amount": 0.7793983500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-254a2632-f1c0-4148-8273-296669b67699",
      "title": "Lark APID-29263",
      "url": "https://investibook.com/workspace/lark-ws-254a2632-f1c0-4148-8273-296669b67699",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T05:53:48.325207+00:00",
      "updated_at": "2026-07-28T05:53:48.325207+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": 0.7313,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 623,
          "reasoning_tokens": 0,
          "cache_read_tokens": 72117,
          "cache_write_tokens": 1021,
          "cost_amount": 0.7312851000000001
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785232112169-b8f3d44b5",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1785232112169-b8f3d44b5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:48:32.169034+00:00",
      "updated_at": "2026-07-28T09:48:32.169034+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7179,
        "message_count": 5,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 632,
          "reasoning_tokens": 0,
          "cache_read_tokens": 90718,
          "cache_write_tokens": 1410,
          "cost_amount": 0.7179156
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784882729203-01a169a76",
      "title": "Cluster 10450079408690218979",
      "url": "https://investibook.com/workspace/ws-1784882729203-01a169a76",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T08:45:29.203828+00:00",
      "updated_at": "2026-07-24T08:45:29.203828+00:00",
      "user_email": "huyule@pingcap.com",
      "team_path": "Central Enabling Group / Solution Architects",
      "team": "Solution Architects",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 2,
          "matched_terms": [
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "provider",
            "region"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "digest",
          "query",
          "sql"
        ],
        "message_count_used": 10,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.7104,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 0,
          "output_tokens": 1309,
          "reasoning_tokens": 0,
          "cache_read_tokens": 21008,
          "cache_write_tokens": 21470,
          "cost_amount": 0.7103529
        },
        "message_categories": {
          "查询纠偏": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-a2fa2130-0389-495f-92a9-b6057d77f3a2",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-a2fa2130-0389-495f-92a9-b6057d77f3a2",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T11:00:31.808994+00:00",
      "updated_at": "2026-07-28T11:00:31.808994+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": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "延迟"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6679,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1429,
          "reasoning_tokens": 0,
          "cache_read_tokens": 82744,
          "cache_write_tokens": 387,
          "cost_amount": 0.66793515
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5c585080-c4c4-4bd3-a738-9ae2ab1ba1f8",
      "title": "Lark TCID-12973",
      "url": "https://investibook.com/workspace/lark-ws-5c585080-c4c4-4bd3-a738-9ae2ab1ba1f8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:12:22.757353+00:00",
      "updated_at": "2026-07-28T04:12:22.757353+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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6375,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 1185,
          "reasoning_tokens": 0,
          "cache_read_tokens": 78278,
          "cache_write_tokens": 1664,
          "cost_amount": 0.6375221999999999
        },
        "message_categories": {
          "诊断启动": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-d1ddd7c7-0d9e-4ff3-8810-312d8d8e5e0f",
      "title": "",
      "url": "https://investibook.com/workspace/lark-ws-d1ddd7c7-0d9e-4ff3-8810-312d8d8e5e0f",
      "workspace_lifecycle": "updated_existing",
      "created_at": "",
      "updated_at": "",
      "user_email": "looperth.wong@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 0,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.6311,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1152,
          "reasoning_tokens": 0,
          "cache_read_tokens": 70504,
          "cache_write_tokens": 538,
          "cost_amount": 0.63108
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "lark-ws-1357725d-835e-4ce9-86ab-724b30ae539e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-1357725d-835e-4ce9-86ab-724b30ae539e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:37:24.528577+00:00",
      "updated_at": "2026-07-28T06:37:24.528577+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5862,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 675,
          "reasoning_tokens": 0,
          "cache_read_tokens": 36541,
          "cache_write_tokens": 1109,
          "cost_amount": 0.5862215999999999
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-ee253301-52c3-43b1-aaaf-9c7ee5b8573e",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-ee253301-52c3-43b1-aaaf-9c7ee5b8573e",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T13:15:24.753982+00:00",
      "updated_at": "2026-07-28T13:15:24.753982+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "operator",
            "pd"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "disk",
          "io"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5559,
        "message_count": 21,
        "user_message_count": 7,
        "assistant_message_count": 14,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 10,
          "output_tokens": 1274,
          "reasoning_tokens": 0,
          "cache_read_tokens": 50982,
          "cache_write_tokens": 720,
          "cost_amount": 0.5559063
        },
        "message_categories": {
          "Ad hoc 查询": 5,
          "解释追问": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785220106656-30abf2cf7",
      "title": "这个单子帮我看看https://tidb.atlassian.net/browse/O11Y-262",
      "url": "https://investibook.com/workspace/ws-1785220106656-30abf2cf7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T06:28:26.656262+00:00",
      "updated_at": "2026-07-28T06:34:15.160230+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": 0.4906,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 158,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 46107,
          "cost_amount": 0.4906089
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-82324fd5-8f87-4d84-b026-cd7e142bdff7",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-82324fd5-8f87-4d84-b026-cd7e142bdff7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:25:46.224542+00:00",
      "updated_at": "2026-07-28T12:25:46.224542+00:00",
      "user_email": "xuchengxuan@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4343,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 352,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27246,
          "cache_write_tokens": 296,
          "cost_amount": 0.4343304
        },
        "message_categories": {
          "产出物迭代": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-354bdeac-dda6-4f17-aa6c-f5475e2d27e0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-354bdeac-dda6-4f17-aa6c-f5475e2d27e0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:12:53.733005+00:00",
      "updated_at": "2026-07-28T02:12:53.733005+00:00",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "sql"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4166,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 10,
          "output_tokens": 768,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 30314,
          "cost_amount": 0.4165557
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1782915075529-391dc6510",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1782915075529-391dc6510",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-01T14:11:15.529929+00:00",
      "updated_at": "2026-07-01T14:11:15.529929+00:00",
      "user_email": "letian.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "query",
          "slow query"
        ],
        "message_count_used": 14,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3562,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 763,
          "cache_write_tokens": 36,
          "cost_amount": 0.3562452
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "流程控制/确认": 2,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785170252311-edef6f0c5",
      "title": "Cluster 10881574064176353998",
      "url": "https://investibook.com/workspace/ws-1785170252311-edef6f0c5",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-27T16:37:32.311488+00:00",
      "updated_at": "2026-07-27T16:38:25.029687+00:00",
      "user_email": "yichen.han@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "data_import_or_load",
      "scenario_category_counts": {
        "data_import_or_load": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "import"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3164,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 391,
          "reasoning_tokens": 0,
          "cache_read_tokens": 40030,
          "cache_write_tokens": 300,
          "cost_amount": 0.3164466000000001
        },
        "message_categories": {
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785226031556-0592facc7",
      "title": "",
      "url": "https://investibook.com/workspace/ws-1785226031556-0592facc7",
      "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": 0.2605,
        "message_count": 0,
        "user_message_count": 0,
        "assistant_message_count": 0,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 10,
          "output_tokens": 82,
          "reasoning_tokens": 0,
          "cache_read_tokens": 38582,
          "cache_write_tokens": 123,
          "cost_amount": 0.26046435
        },
        "message_categories": {}
      }
    },
    {
      "workspace_id": "ws-2ffb2397e39a68d259ee6e9c68d35909",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-2ffb2397e39a68d259ee6e9c68d35909",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:49:18.149016+00:00",
      "updated_at": "2026-07-28T12:49:18.149016+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.2384,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1787,
          "output_tokens": 4818,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26087,
          "cache_write_tokens": 8563,
          "cost_amount": 0.2652165
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785231832296-2d260f8e8",
      "title": "客户cloud集群开审计日志失败了 https://tidb.atlassian.net/brows",
      "url": "https://investibook.com/workspace/ws-1785231832296-2d260f8e8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:43:52.296261+00:00",
      "updated_at": "2026-07-28T09:45:45.076874+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.2024,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1061,
          "output_tokens": 2411,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15650,
          "cache_write_tokens": 23540,
          "cost_amount": 0.2111718
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784600228647-52338e598",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784600228647-52338e598",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-21T02:17:08.647440+00:00",
      "updated_at": "2026-07-31T07:43:50.740733+00:00",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1855,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 0,
          "output_tokens": 613,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 0.18547124999999998
        },
        "message_categories": {
          "产出物迭代": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-3aa6f92296a2ddf6999fb4f19c5ab702",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-3aa6f92296a2ddf6999fb4f19c5ab702",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:45:55.791399+00:00",
      "updated_at": "2026-07-28T12:45:55.791399+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "cli",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.1302,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 855,
          "reasoning_tokens": 0,
          "cache_read_tokens": 20540,
          "cache_write_tokens": 609,
          "cost_amount": 0.13021935
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-c3baa781-3096-47b3-a640-8e7167253e42",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-c3baa781-3096-47b3-a640-8e7167253e42",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T03:14:24.377555+00:00",
      "updated_at": "2026-07-28T03:14:24.377555+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": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "qps"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0897,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 294,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13923,
          "cache_write_tokens": 3641,
          "cost_amount": 0.0897498
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785207307665-c42204145",
      "title": "TCID-12967 CAPCOM version up 8.5.7",
      "url": "https://investibook.com/workspace/ws-1785207307665-c42204145",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:55:07.665405+00:00",
      "updated_at": "2026-07-28T02:56:30.839005+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "storage_or_io_bottleneck": 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": [
            "digest",
            "plan",
            "sql",
            "topsql"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "io"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "cpu",
            "ru"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "digest",
          "io",
          "plan",
          "ru",
          "sql",
          "topsql"
        ],
        "message_count_used": 25,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0844,
        "message_count": 36,
        "user_message_count": 18,
        "assistant_message_count": 18,
        "token_usage": {
          "interaction_records": 24,
          "input_tokens": 9522,
          "output_tokens": 3828,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 152388,
          "cost_amount": 5.825145000000001
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 6,
          "Ad hoc 查询": 3,
          "解释追问": 2,
          "流程控制/确认": 2,
          "背景补充": 3,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-d255f6f5-f5ec-4cde-abd8-bfa2e63829d3",
      "title": "Lark TCID-12975",
      "url": "https://investibook.com/workspace/lark-ws-d255f6f5-f5ec-4cde-abd8-bfa2e63829d3",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:37:05.250569+00:00",
      "updated_at": "2026-07-28T09:37:05.250569+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0785,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 591,
          "reasoning_tokens": 0,
          "cache_read_tokens": 13599,
          "cache_write_tokens": 1386,
          "cost_amount": 0.07852485000000001
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-26cef96c-96b5-4e85-ba10-d8a20a4081d0",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-26cef96c-96b5-4e85-ba10-d8a20a4081d0",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:44:28.664686+00:00",
      "updated_at": "2026-07-28T02:44:28.664686+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "unknown",
      "scenario_category": null,
      "scenario_category_counts": {},
      "scenario_confidence": 0.2,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0622,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 836,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13233,
          "cost_amount": 0.06219375
        },
        "message_categories": {
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-e28018eb-035c-4ae9-a9a6-eb20fd15a888",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-e28018eb-035c-4ae9-a9a6-eb20fd15a888",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:40:10.472521+00:00",
      "updated_at": "2026-07-28T04:40:10.472521+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "component_failure_or_bug",
      "scenario_category_counts": {
        "component_failure_or_bug": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "restart",
          "重启"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0585,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 598,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13193,
          "cost_amount": 0.05847375
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-3b795098-6d57-4197-8c47-424f4e9bbd26",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-3b795098-6d57-4197-8c47-424f4e9bbd26",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T01:57:22.368838+00:00",
      "updated_at": "2026-07-28T01:57:22.368838+00:00",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "index",
          "索引"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0559,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 260,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 13871,
          "cost_amount": 0.05594625
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784851288773-b08320fe0",
      "title": "TCID-12956 Mercari scaling CPU balance",
      "url": "https://investibook.com/workspace/ws-1784851288773-b08320fe0",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-24T00:01:28.773869+00:00",
      "updated_at": "2026-07-24T01:03:18.826655+00:00",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "scenario_category_counts": {
        "pd_tso_or_scheduling": 1,
        "resource_control_or_capacity": 1,
        "tikv_hotspot_or_coprocessor": 1,
        "cluster_topology_or_scaling": 1,
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 7,
          "matched_terms": [
            "leader",
            "operator",
            "pd",
            "scheduler",
            "scheduling",
            "timestamp",
            "スケジューリング"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 5,
          "matched_terms": [
            "cpu",
            "p99",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 4,
          "matched_terms": [
            "hot region",
            "peer",
            "region",
            "tikv"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "cluster_topology_or_scaling",
          "score": 4,
          "matched_terms": [
            "scale",
            "scaling"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "storage_or_io_bottleneck",
          "score": 3,
          "matched_terms": [
            "i/o",
            "io",
            "raft"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "hot region",
          "i/o",
          "io",
          "leader",
          "operator",
          "p99",
          "pd",
          "peer",
          "raft",
          "region",
          "ru",
          "scale",
          "scaling",
          "scheduler",
          "scheduling"
        ],
        "message_count_used": 109,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0551,
        "message_count": 32,
        "user_message_count": 16,
        "assistant_message_count": 16,
        "token_usage": {
          "interaction_records": 19,
          "input_tokens": 3977,
          "output_tokens": 3776,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 3799,
          "cost_amount": 4.920011700000006
        },
        "message_categories": {
          "查询纠偏": 1,
          "产出物迭代": 4,
          "Ad hoc 查询": 8,
          "解释追问": 3
        }
      }
    },
    {
      "workspace_id": "ws-5476175a2c7918b3b682c75cd09122c7",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5476175a2c7918b3b682c75cd09122c7",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:39:00.082788+00:00",
      "updated_at": "2026-07-28T09:39:00.082788+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0539,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 5238,
          "output_tokens": 4386,
          "reasoning_tokens": 0,
          "cache_read_tokens": 86768,
          "cache_write_tokens": 421,
          "cost_amount": 0.88203915
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1784793510348-fb2ec4135",
      "title": "未命名工作空间",
      "url": "https://investibook.com/workspace/ws-1784793510348-fb2ec4135",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-23T07:58:30.348892+00:00",
      "updated_at": "2026-07-23T07:58:30.348892+00:00",
      "user_email": "xianjing.wang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "channel": "image-send",
      "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": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0365,
        "message_count": 8,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 6,
          "input_tokens": 3599,
          "output_tokens": 2879,
          "reasoning_tokens": 0,
          "cache_read_tokens": 30346,
          "cache_write_tokens": 150,
          "cost_amount": 0.7793983500000004
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "解释追问": 1,
          "流程控制/确认": 1,
          "未归类": 1
        }
      }
    },
    {
      "workspace_id": "ws-2ffb2397e39a68d259ee6e9c68d35909",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-2ffb2397e39a68d259ee6e9c68d35909",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T12:49:18.149016+00:00",
      "updated_at": "2026-07-28T12:49:18.149016+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0268,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1787,
          "output_tokens": 4818,
          "reasoning_tokens": 0,
          "cache_read_tokens": 26087,
          "cache_write_tokens": 8563,
          "cost_amount": 0.2652165
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785204461937-7e043d94a",
      "title": "TokenPocket 0728 10821642679432589811",
      "url": "https://investibook.com/workspace/ws-1785204461937-7e043d94a",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T02:07:41.937610+00:00",
      "updated_at": "2026-07-28T02:47:22.760243+00:00",
      "user_email": "zhi.xie@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "image-send",
      "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": "sql_plan_or_query",
          "score": 2,
          "matched_terms": [
            "query",
            "slow query"
          ]
        },
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "p999",
          "qps",
          "ru"
        ],
        "message_count_used": 5,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0184,
        "message_count": 6,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 1708,
          "output_tokens": 1746,
          "reasoning_tokens": 0,
          "cache_read_tokens": 145084,
          "cache_write_tokens": 590,
          "cost_amount": 5.843895600000002
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-5b96ae12c7510a3999c02f12b704c698",
      "title": "Performance diagnosis",
      "url": "https://investibook.com/workspace/ws-5b96ae12c7510a3999c02f12b704c698",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T04:09:19.296484+00:00",
      "updated_at": "2026-07-28T04:09:19.296484+00:00",
      "user_email": "nizheming@pingcap.com",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "scenario_category_counts": {
        "storage_or_io_bottleneck": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "io"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0106,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 511,
          "output_tokens": 2417,
          "reasoning_tokens": 0,
          "cache_read_tokens": 137613,
          "cache_write_tokens": 378,
          "cost_amount": 1.50742215
        },
        "message_categories": {
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1785231832296-2d260f8e8",
      "title": "客户cloud集群开审计日志失败了 https://tidb.atlassian.net/brows",
      "url": "https://investibook.com/workspace/ws-1785231832296-2d260f8e8",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T09:43:52.296261+00:00",
      "updated_at": "2026-07-28T09:45:45.076874+00:00",
      "user_email": "weizhin.lim@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "image-send",
      "scenario_group": "diagnosis",
      "scenario_category": "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": 0.0088,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1061,
          "output_tokens": 2411,
          "reasoning_tokens": 0,
          "cache_read_tokens": 15650,
          "cache_write_tokens": 23540,
          "cost_amount": 0.2111718
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-56d04e08-8476-4bf7-864a-520c2b811bb7",
      "title": "Lark O11Y-2623789",
      "url": "https://investibook.com/workspace/lark-ws-56d04e08-8476-4bf7-864a-520c2b811bb7",
      "workspace_lifecycle": "updated_existing",
      "created_at": "2026-07-26T08:37:50.486063+00:00",
      "updated_at": "2026-07-26T08:37:50.486063+00:00",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "scenario_category_counts": {
        "backup_or_restore": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "br"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-fc3272a2-ed9e-4aec-8dce-6d7cd3e867dc",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-fc3272a2-ed9e-4aec-8dce-6d7cd3e867dc",
      "workspace_lifecycle": "new",
      "created_at": "2026-07-28T10:30:01.601149+00:00",
      "updated_at": "2026-07-28T10:30:01.601149+00:00",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "channel": "unknown",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "scenario_category_counts": {
        "resource_control_or_capacity": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "指标",
            "统计"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "duration",
          "p99",
          "qps",
          "ru"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {},
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    }
  ]
}
