{
  "date": "2026-08-29",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-29T00:00:00+08:00",
  "window_end": "2026-08-30T00:00:00+08:00",
  "granularity": "daily_workspace_changes",
  "summary": {
    "new_workspace_count": 10,
    "updated_existing_workspace_count": 0,
    "changed_workspace_count": 10
  },
  "new_workspaces": [
    {
      "workspace_id": "ws-1787966250676-e654038b6",
      "title": "TCID-13100",
      "url": "https://investibook.com/workspace/ws-1787966250676-e654038b6",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T01:17:30.676230+00:00",
      "updated_at": "2026-08-29T01:17:47.873184+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "gc_or_allocator_pressure": 1,
        "resource_control_or_capacity": 1,
        "network_or_connectivity": 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": "gc_or_allocator_pressure",
          "score": 2,
          "matched_terms": [
            "gc",
            "runtime"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "network_or_connectivity",
          "score": 2,
          "matched_terms": [
            "connection timeout",
            "连接"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "panic",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "connection timeout",
          "duration",
          "gc",
          "panic",
          "query",
          "ru",
          "runtime",
          "sql",
          "连接",
          "重启"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.1167,
        "message_count": 15,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 4.116651449999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787978610667-90f7d1bed",
      "title": "TCOC-5890",
      "url": "https://investibook.com/workspace/ws-1787978610667-90f7d1bed",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T04:43:30.667149+00:00",
      "updated_at": "2026-08-29T04:44:06.013692+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.7491,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 1221,
          "reasoning_tokens": 0,
          "cache_read_tokens": 167503,
          "cache_write_tokens": 453,
          "cost_amount": 2.7490686
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787979587806-75b140d44",
      "title": "TCOC-5875",
      "url": "https://investibook.com/workspace/ws-1787979587806-75b140d44",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T04:59:47.806235+00:00",
      "updated_at": "2026-08-29T05:00:04.065461+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "peer",
          "region"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8326,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 817,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75210,
          "cache_write_tokens": 2774,
          "cost_amount": 1.8325671
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787989984936-839f46096",
      "title": "ST-2925",
      "url": "https://investibook.com/workspace/ws-1787989984936-839f46096",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:53:04.936028+00:00",
      "updated_at": "2026-08-29T07:55:38.526053+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "prewrite"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "scheduler"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "leader",
          "lock",
          "prewrite",
          "quota",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "热点"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6831,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 4200,
          "reasoning_tokens": 0,
          "cache_read_tokens": 103826,
          "cache_write_tokens": 3852,
          "cost_amount": 1.6831303499999999
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-0fdd084b-d861-4c12-a427-0d89c5c0227a",
      "title": "Lark O11Y-2650320",
      "url": "https://investibook.com/workspace/lark-ws-0fdd084b-d861-4c12-a427-0d89c5c0227a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-28T21:32:38.007528+00:00",
      "updated_at": "2026-08-28T21:32:38.007528+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "modifyclustersize",
          "topology"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0135,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1567,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98412,
          "cache_write_tokens": 342,
          "cost_amount": 1.0135044000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787987608451-0a4cef505",
      "title": "O11Y-2650535 investigation",
      "url": "https://investibook.com/workspace/ws-1787987608451-0a4cef505",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:13:28.451742+00:00",
      "updated_at": "2026-08-29T07:13:28.451742+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9498,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1410,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77649,
          "cache_write_tokens": 339,
          "cost_amount": 0.9497829
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787994790414-077f17041",
      "title": "cdc 机器由于打patch down 掉了",
      "url": "https://investibook.com/workspace/ws-1787994790414-077f17041",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T09:13:10.414401+00:00",
      "updated_at": "2026-08-29T09:14:00.405508+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5156,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 165,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27387,
          "cache_write_tokens": 110,
          "cost_amount": 0.515649
        },
        "message_categories": {
          "诊断纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-622a7067-f7a7-4c2d-b03e-c48dfd2b8054",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-622a7067-f7a7-4c2d-b03e-c48dfd2b8054",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:01:10.562265+00:00",
      "updated_at": "2026-08-29T07:01:10.562265+00:00",
      "user_email": "kaixing.yang@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4018,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1742,
          "reasoning_tokens": 0,
          "cache_read_tokens": 35845,
          "cache_write_tokens": 935,
          "cost_amount": 0.4017825
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5f825db2-6673-46c2-8ea8-d81cafa60c30",
      "title": "Lark O11Y-2650328",
      "url": "https://investibook.com/workspace/lark-ws-5f825db2-6673-46c2-8ea8-d81cafa60c30",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-28T22:11:06.280166+00:00",
      "updated_at": "2026-08-28T22:11:06.280166+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3195,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1320,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47597,
          "cache_write_tokens": 363,
          "cost_amount": 0.31954289999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787972670920-a9a57ee64",
      "title": "我们有一个集群cdc和tidb 已经在打了patch，版本如下，我们想统一打上这个8.5.4的，怕版",
      "url": "https://investibook.com/workspace/ws-1787972670920-a9a57ee64",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T03:04:30.920691+00:00",
      "updated_at": "2026-08-29T03:05:36.951216+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "store:",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0819,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1892,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14251,
          "cost_amount": 0.08185125
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    }
  ],
  "updated_existing_workspaces": [],
  "all_changed_workspaces": [
    {
      "workspace_id": "ws-1787966250676-e654038b6",
      "title": "TCID-13100",
      "url": "https://investibook.com/workspace/ws-1787966250676-e654038b6",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T01:17:30.676230+00:00",
      "updated_at": "2026-08-29T01:17:47.873184+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "scenario_category_counts": {
        "sql_plan_or_query": 1,
        "gc_or_allocator_pressure": 1,
        "resource_control_or_capacity": 1,
        "network_or_connectivity": 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": "gc_or_allocator_pressure",
          "score": 2,
          "matched_terms": [
            "gc",
            "runtime"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 2,
          "matched_terms": [
            "duration",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "network_or_connectivity",
          "score": 2,
          "matched_terms": [
            "connection timeout",
            "连接"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "component_failure_or_bug",
          "score": 2,
          "matched_terms": [
            "panic",
            "重启"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "connection timeout",
          "duration",
          "gc",
          "panic",
          "query",
          "ru",
          "runtime",
          "sql",
          "连接",
          "重启"
        ],
        "message_count_used": 8,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 4.1167,
        "message_count": 15,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 0,
          "output_tokens": 0,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "cost_amount": 4.116651449999999
        },
        "message_categories": {
          "产出物迭代": 2,
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787978610667-90f7d1bed",
      "title": "TCOC-5890",
      "url": "https://investibook.com/workspace/ws-1787978610667-90f7d1bed",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T04:43:30.667149+00:00",
      "updated_at": "2026-08-29T04:44:06.013692+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "scenario_category_counts": {
        "fleet_inventory_or_capacity_analysis": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "region",
          "tenant"
        ],
        "message_count_used": 4,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 2.7491,
        "message_count": 7,
        "user_message_count": 3,
        "assistant_message_count": 3,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 1,
          "output_tokens": 1221,
          "reasoning_tokens": 0,
          "cache_read_tokens": 167503,
          "cache_write_tokens": 453,
          "cost_amount": 2.7490686
        },
        "message_categories": {
          "产出物迭代": 1,
          "Ad hoc 查询": 1,
          "诊断启动": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787979587806-75b140d44",
      "title": "TCOC-5875",
      "url": "https://investibook.com/workspace/ws-1787979587806-75b140d44",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T04:59:47.806235+00:00",
      "updated_at": "2026-08-29T05:00:04.065461+00:00",
      "user_email": "ruihao.chen@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "non_diagnosis",
          "scenario_category": "fleet_inventory_or_capacity_analysis",
          "score": 2,
          "matched_terms": [
            "region",
            "tenant"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "peer",
          "region"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.8326,
        "message_count": 11,
        "user_message_count": 5,
        "assistant_message_count": 5,
        "token_usage": {
          "interaction_records": 5,
          "input_tokens": 1,
          "output_tokens": 817,
          "reasoning_tokens": 0,
          "cache_read_tokens": 75210,
          "cache_write_tokens": 2774,
          "cost_amount": 1.8325671
        },
        "message_categories": {
          "Ad hoc 查询": 3,
          "诊断启动": 1,
          "解释追问": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787989984936-839f46096",
      "title": "ST-2925",
      "url": "https://investibook.com/workspace/ws-1787989984936-839f46096",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:53:04.936028+00:00",
      "updated_at": "2026-08-29T07:55:38.526053+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1,
        "resource_control_or_capacity": 1,
        "transaction_or_lock_contention": 1,
        "pd_tso_or_scheduling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "tikv",
            "热点"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "resource_control_or_capacity",
          "score": 3,
          "matched_terms": [
            "cpu",
            "quota",
            "ru"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "transaction_or_lock_contention",
          "score": 2,
          "matched_terms": [
            "lock",
            "prewrite"
          ]
        },
        {
          "scenario_group": "diagnosis",
          "scenario_category": "pd_tso_or_scheduling",
          "score": 2,
          "matched_terms": [
            "leader",
            "scheduler"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cpu",
          "leader",
          "lock",
          "prewrite",
          "quota",
          "region",
          "ru",
          "scheduler",
          "tikv",
          "热点"
        ],
        "message_count_used": 6,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.6831,
        "message_count": 9,
        "user_message_count": 4,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 4,
          "input_tokens": 10,
          "output_tokens": 4200,
          "reasoning_tokens": 0,
          "cache_read_tokens": 103826,
          "cache_write_tokens": 3852,
          "cost_amount": 1.6831303499999999
        },
        "message_categories": {
          "Ad hoc 查询": 2,
          "诊断启动": 1,
          "流程控制/确认": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-0fdd084b-d861-4c12-a427-0d89c5c0227a",
      "title": "Lark O11Y-2650320",
      "url": "https://investibook.com/workspace/lark-ws-0fdd084b-d861-4c12-a427-0d89c5c0227a",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-28T21:32:38.007528+00:00",
      "updated_at": "2026-08-28T21:32:38.007528+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "scenario_category_counts": {
        "cluster_topology_or_scaling": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "modifyclustersize",
          "topology"
        ],
        "message_count_used": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 1.0135,
        "message_count": 6,
        "user_message_count": 2,
        "assistant_message_count": 4,
        "token_usage": {
          "interaction_records": 2,
          "input_tokens": 1,
          "output_tokens": 1567,
          "reasoning_tokens": 0,
          "cache_read_tokens": 98412,
          "cache_write_tokens": 342,
          "cost_amount": 1.0135044000000002
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787987608451-0a4cef505",
      "title": "O11Y-2650535 investigation",
      "url": "https://investibook.com/workspace/ws-1787987608451-0a4cef505",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:13:28.451742+00:00",
      "updated_at": "2026-08-29T07:13:28.451742+00:00",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "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": 2,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.9498,
        "message_count": 4,
        "user_message_count": 2,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1410,
          "reasoning_tokens": 0,
          "cache_read_tokens": 77649,
          "cache_write_tokens": 339,
          "cost_amount": 0.9497829
        },
        "message_categories": {
          "Ad hoc 查询": 2
        }
      }
    },
    {
      "workspace_id": "ws-1787994790414-077f17041",
      "title": "cdc 机器由于打patch down 掉了",
      "url": "https://investibook.com/workspace/ws-1787994790414-077f17041",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T09:13:10.414401+00:00",
      "updated_at": "2026-08-29T09:14:00.405508+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "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"
        ],
        "message_count_used": 7,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.5156,
        "message_count": 14,
        "user_message_count": 7,
        "assistant_message_count": 7,
        "token_usage": {
          "interaction_records": 7,
          "input_tokens": 1,
          "output_tokens": 165,
          "reasoning_tokens": 0,
          "cache_read_tokens": 27387,
          "cache_write_tokens": 110,
          "cost_amount": 0.515649
        },
        "message_categories": {
          "诊断纠偏": 1,
          "Ad hoc 查询": 3,
          "解释追问": 1,
          "背景补充": 2
        }
      }
    },
    {
      "workspace_id": "lark-ws-622a7067-f7a7-4c2d-b03e-c48dfd2b8054",
      "title": "Lark chat",
      "url": "https://investibook.com/workspace/lark-ws-622a7067-f7a7-4c2d-b03e-c48dfd2b8054",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T07:01:10.562265+00:00",
      "updated_at": "2026-08-29T07:01:10.562265+00:00",
      "user_email": "kaixing.yang@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "channel": "lark",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "scenario_category_counts": {
        "tikv_hotspot_or_coprocessor": 1
      },
      "scenario_confidence": 0.62,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "tikv"
        ],
        "message_count_used": 3,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.4018,
        "message_count": 9,
        "user_message_count": 3,
        "assistant_message_count": 6,
        "token_usage": {
          "interaction_records": 3,
          "input_tokens": 10,
          "output_tokens": 1742,
          "reasoning_tokens": 0,
          "cache_read_tokens": 35845,
          "cache_write_tokens": 935,
          "cost_amount": 0.4017825
        },
        "message_categories": {
          "Ad hoc 查询": 1,
          "诊断启动": 1,
          "背景补充": 1
        }
      }
    },
    {
      "workspace_id": "lark-ws-5f825db2-6673-46c2-8ea8-d81cafa60c30",
      "title": "Lark O11Y-2650328",
      "url": "https://investibook.com/workspace/lark-ws-5f825db2-6673-46c2-8ea8-d81cafa60c30",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-28T22:11:06.280166+00:00",
      "updated_at": "2026-08-28T22:11:06.280166+00:00",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "channel": "lark",
      "scenario_group": "non_diagnosis",
      "scenario_category": "support_case_triage_or_customer_response",
      "scenario_category_counts": {
        "support_case_triage_or_customer_response": 1
      },
      "scenario_confidence": 0.55,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [],
      "scenario_evidence": {
        "matched_terms": [
          "o11y-"
        ],
        "message_count_used": 1,
        "review_required": true
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.3195,
        "message_count": 3,
        "user_message_count": 1,
        "assistant_message_count": 2,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 1,
          "output_tokens": 1320,
          "reasoning_tokens": 0,
          "cache_read_tokens": 47597,
          "cache_write_tokens": 363,
          "cost_amount": 0.31954289999999996
        },
        "message_categories": {
          "Ad hoc 查询": 1
        }
      }
    },
    {
      "workspace_id": "ws-1787972670920-a9a57ee64",
      "title": "我们有一个集群cdc和tidb 已经在打了patch，版本如下，我们想统一打上这个8.5.4的，怕版",
      "url": "https://investibook.com/workspace/ws-1787972670920-a9a57ee64",
      "workspace_lifecycle": "new",
      "created_at": "2026-08-29T03:04:30.920691+00:00",
      "updated_at": "2026-08-29T03:05:36.951216+00:00",
      "user_email": "yikai.puah@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "channel": "web",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "scenario_category_counts": {
        "cdc_or_replication_lag": 1
      },
      "scenario_confidence": 0.78,
      "scenario_classification_method": "score_based_title_and_user_messages_v2",
      "scenario_secondary_categories": [
        {
          "scenario_group": "diagnosis",
          "scenario_category": "tikv_hotspot_or_coprocessor",
          "score": 3,
          "matched_terms": [
            "region",
            "store:",
            "tikv"
          ]
        }
      ],
      "scenario_evidence": {
        "matched_terms": [
          "cdc",
          "ticdc"
        ],
        "message_count_used": 1,
        "review_required": false
      },
      "is_inspection": null,
      "quality_notes": "",
      "daily_delta": {
        "cost": 0.0819,
        "message_count": 2,
        "user_message_count": 1,
        "assistant_message_count": 1,
        "token_usage": {
          "interaction_records": 1,
          "input_tokens": 10,
          "output_tokens": 1892,
          "reasoning_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 14251,
          "cost_amount": 0.08185125
        },
        "message_categories": {
          "产出物迭代": 1
        }
      }
    }
  ]
}