{
  "date": "2026-08-24",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-24T00:00:00+08:00",
  "window_end": "2026-08-25T00:00:00+08:00",
  "granularity": "daily",
  "data_status": "complete",
  "source": {
    "kind": "grafana_prometheus_and_prod_sqlite",
    "grafana_datasource": "DevOps-prometheus",
    "grafana_datasource_id": 80,
    "prometheus_labels": {
      "cluster": "prod-devops",
      "namespace": "investibook",
      "job": "backend",
      "prometheus": "monitoring/o11y-vmagent"
    },
    "prod_backend_sqlite": "/data/db/investibook.db",
    "notes": [
      "Cost comes from prod SQLite interaction_token_usage with runtime-aware accounting: OpenCode ses_* rows use cumulative session deltas; PI UUID and image-parse rows use per-row increments.",
      "workspace_count in summary is cost-derived distinct positive-cost workspaces.",
      "Prometheus is used for ACP interaction counts only; investigatory PI sessions made investibook_acp_session_cost unsuitable as the cost source for mixed-runtime weekly reporting.",
      "message categories are rule-based user-message classifications.",
      "scenario labels are added to split daily workspace_changes rows."
    ]
  },
  "summary": {
    "total_cost": 22.761,
    "total_acp_interactions": 83,
    "active_users": 13,
    "workspace_count": 32,
    "created_workspace_count": 26,
    "new_workspace_count": 26,
    "updated_existing_workspace_count": 7,
    "changed_workspace_count": 33,
    "message_count": 190,
    "user_message_count": 84,
    "assistant_message_count": 101,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "cost": 8.1786,
      "acp_interactions": 27,
      "workspace_count": 13,
      "active_users": 3,
      "message_count": 62,
      "user_message_count": 27,
      "cost_per_ws": 0.6291,
      "cost_per_acp": 0.3029,
      "acp_per_ws": 2.0769,
      "message_per_ws": 4.7692,
      "message_per_acp": 2.2963,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 7.0318,
      "acp_interactions": 30,
      "workspace_count": 8,
      "active_users": 3,
      "message_count": 96,
      "user_message_count": 48,
      "cost_per_ws": 0.879,
      "cost_per_acp": 0.2344,
      "acp_per_ws": 3.75,
      "message_per_ws": 12.0,
      "message_per_acp": 3.2,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "cost": 2.2691,
      "acp_interactions": 6,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 12,
      "user_message_count": 6,
      "cost_per_ws": 2.2691,
      "cost_per_acp": 0.3782,
      "acp_per_ws": 6.0,
      "message_per_ws": 12.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "cost": 1.7282,
      "acp_interactions": 6,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 14,
      "user_message_count": 6,
      "cost_per_ws": 0.5761,
      "cost_per_acp": 0.288,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.6667,
      "message_per_acp": 2.3333,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "cost": 1.3294,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 1.3294,
      "cost_per_acp": 1.3294,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 1.1831,
      "acp_interactions": 8,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 22,
      "user_message_count": 8,
      "cost_per_ws": 0.3944,
      "cost_per_acp": 0.1479,
      "acp_per_ws": 2.6667,
      "message_per_ws": 7.3333,
      "message_per_acp": 2.75,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "cost": 1.041,
      "acp_interactions": 5,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 15,
      "user_message_count": 5,
      "cost_per_ws": 0.347,
      "cost_per_acp": 0.2082,
      "acp_per_ws": 1.6667,
      "message_per_ws": 5.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "user_email": "takahiko.miyasaka@pingcap.com",
      "name": "Miyasaka Takahiko",
      "en_name": "Takahiko Miyasaka",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 5.8811,
      "acp_interactions": 22,
      "workspace_count": 5,
      "message_count": 46,
      "user_message_count": 23,
      "channel_breakdown": {
        "web": 22
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 4.4
    },
    {
      "user_email": "peiliang.liu@pingcap.com",
      "name": "刘培梁",
      "en_name": "Jasper Liu",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 3.7195,
      "acp_interactions": 8,
      "workspace_count": 4,
      "message_count": 20,
      "user_message_count": 8,
      "channel_breakdown": {
        "lark": 4,
        "web": 4
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
      "user_email": "brian.w@pingcap.com",
      "name": "张建伟",
      "en_name": "Brian.Zhang",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 2.697,
      "acp_interactions": 15,
      "workspace_count": 7,
      "message_count": 30,
      "user_message_count": 15,
      "channel_breakdown": {
        "web": 15
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.1429
    },
    {
      "user_email": "qiaodan@pingcap.com",
      "name": "乔丹",
      "en_name": "Dan Qiao",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 2.2691,
      "acp_interactions": 6,
      "workspace_count": 1,
      "message_count": 12,
      "user_message_count": 6,
      "channel_breakdown": {
        "web": 6
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 6.0
    },
    {
      "user_email": "cong.cao@pingcap.com",
      "name": "曹聪",
      "en_name": "Cong Cao",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 1.7621,
      "acp_interactions": 4,
      "workspace_count": 2,
      "message_count": 12,
      "user_message_count": 4,
      "channel_breakdown": {
        "lark": 4
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
      "user_email": "xieyujie@pingcap.com",
      "name": "谢玉洁",
      "en_name": "Yujie Xie",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.3294,
      "acp_interactions": 1,
      "workspace_count": 1,
      "message_count": 3,
      "user_message_count": 1,
      "channel_breakdown": {
        "web": 1
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "user_email": "qizheng@pingcap.com",
      "name": "戚铮",
      "en_name": "Zheng Qi",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.1373,
      "acp_interactions": 2,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 2,
      "channel_breakdown": {
        "web": 2
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "user_email": "shaoxiqian@pingcap.com",
      "name": "邵希茜",
      "en_name": "Anita Shao",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.041,
      "acp_interactions": 5,
      "workspace_count": 3,
      "message_count": 15,
      "user_message_count": 5,
      "channel_breakdown": {
        "lark": 5
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.6667
    },
    {
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "name": "Shigeyuki Fujishima",
      "en_name": "Shigeyuki Fujishima",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.9059,
      "acp_interactions": 5,
      "workspace_count": 1,
      "message_count": 10,
      "user_message_count": 5,
      "channel_breakdown": {
        "web": 5
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 5.0
    },
    {
      "user_email": "yikai.puah@pingcap.com",
      "name": "Puah Yi Kai",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.7782,
      "acp_interactions": 3,
      "workspace_count": 2,
      "message_count": 7,
      "user_message_count": 3,
      "channel_breakdown": {
        "web": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.5
    },
    {
      "user_email": "chenqingjing@pingcap.com",
      "name": "Kenny Chan",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.5909,
      "acp_interactions": 4,
      "workspace_count": 1,
      "message_count": 8,
      "user_message_count": 4,
      "channel_breakdown": {
        "web": 4
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 4.0
    },
    {
      "user_email": "cherubin.j@pingcap.com",
      "name": "Cherubin John",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.4049,
      "acp_interactions": 5,
      "workspace_count": 1,
      "message_count": 15,
      "user_message_count": 5,
      "channel_breakdown": {
        "lark": 5
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 5.0
    },
    {
      "user_email": "qiaoxinke@pingcap.com",
      "name": "乔心轲",
      "en_name": "Xinke Qiao",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.2448,
      "acp_interactions": 3,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 3,
      "channel_breakdown": {
        "web": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.5
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 3,
      "share": 0.035714,
      "estimated_cost_by_turn": 0.8129,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 46.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 13,
      "share": 0.154762,
      "estimated_cost_by_turn": 3.5225,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 134.38,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 40,
      "share": 0.47619,
      "estimated_cost_by_turn": 10.8386,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 2169.68,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 11,
      "share": 0.130952,
      "estimated_cost_by_turn": 2.9806,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 59.82,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 9,
      "share": 0.107143,
      "estimated_cost_by_turn": 2.4387,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 2283.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
      "user_message_count": 3,
      "share": 0.035714,
      "estimated_cost_by_turn": 0.8129,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 26.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 5,
      "share": 0.059524,
      "estimated_cost_by_turn": 1.3548,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 81.4,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
    {
      "workspace_id": "ws-1786675190560-bdeb83252",
      "title": "JPID-10224 PayPay application timeout",
      "workspace_lifecycle": "updated_existing",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 4.4784,
      "message_count": 34,
      "user_message_count": 17
    },
    {
      "workspace_id": "ws-1784708852477-cbe95df91",
      "title": "未命名工作空间",
      "workspace_lifecycle": "updated_existing",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 2.2691,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "lark-ws-fd01664b-40e9-450f-9448-5875b2bd5f93",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 1.5017,
      "message_count": 9,
      "user_message_count": 4
    },
    {
      "workspace_id": "ws-1787542174070-8b023f37d",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 1.3294,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-165090ad-30af-4ca2-8339-1da6f9a6245e",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 1.2366,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-15d53fdc-cd87-40bd-9b18-3221b2a420bb",
      "title": "Lark O11Y-2644185",
      "workspace_lifecycle": "new",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "cost": 0.9358,
      "message_count": 6,
      "user_message_count": 2
    },
    {
      "workspace_id": "lark-ws-36a476de-b3f7-4a36-896d-57a4a74ffab2",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 0.9252,
      "message_count": 5,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1787562525310-23ddb8bf9",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "qizheng@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 0.9244,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "ws-1787030747138-570494efe",
      "title": "gumi TiKVスケールダウン arrow-production-default-dedicated v2",
      "workspace_lifecycle": "updated_existing",
      "user_email": "shigeyuki.fujishima@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 0.9059,
      "message_count": 10,
      "user_message_count": 5
    },
    {
      "workspace_id": "lark-ws-0c6b17df-bc6c-4adf-8e21-a71da3c64a5f",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 0.8594,
      "message_count": 6,
      "user_message_count": 2
    },
    {
      "workspace_id": "lark-ws-7bde6078-5a88-4372-b8b6-f8d368b0cc03",
      "title": "Lark O11Y-2646081",
      "workspace_lifecycle": "new",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "cost": 0.8262,
      "message_count": 6,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1787570693838-4b402255f",
      "title": "分析一下这个集群 https://clinic.pingcap.com/portal/#/orgs/",
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