{
  "date": "2026-07-13",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-07-13T00:00:00+08:00",
  "window_end": "2026-07-14T00:00:00+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": 20.2953,
    "total_acp_interactions": 30,
    "active_users": 15,
    "workspace_count": 20,
    "created_workspace_count": 14,
    "new_workspace_count": 20,
    "updated_existing_workspace_count": 9,
    "changed_workspace_count": 29,
    "message_count": 130,
    "user_message_count": 58,
    "assistant_message_count": 71,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 8.961,
      "acp_interactions": 11,
      "workspace_count": 6,
      "active_users": 4,
      "message_count": 48,
      "user_message_count": 24,
      "cost_per_ws": 1.4935,
      "cost_per_acp": 0.8146,
      "acp_per_ws": 1.8333,
      "message_per_ws": 8.0,
      "message_per_acp": 4.3636,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 2.9145,
      "acp_interactions": 12,
      "workspace_count": 6,
      "active_users": 3,
      "message_count": 86,
      "user_message_count": 36,
      "cost_per_ws": 0.4858,
      "cost_per_acp": 0.2429,
      "acp_per_ws": 2.0,
      "message_per_ws": 14.3333,
      "message_per_acp": 7.1667,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "cost": 2.077,
      "acp_interactions": 4,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 24,
      "user_message_count": 12,
      "cost_per_ws": 2.077,
      "cost_per_acp": 0.5193,
      "acp_per_ws": 4.0,
      "message_per_ws": 24.0,
      "message_per_acp": 6.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "cost": 1.9619,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 8,
      "user_message_count": 4,
      "cost_per_ws": 1.9619,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 8.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "cost": 1.5476,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 8,
      "user_message_count": 4,
      "cost_per_ws": 1.5476,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 8.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "cost": 1.4455,
      "acp_interactions": 3,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 11,
      "user_message_count": 5,
      "cost_per_ws": 0.7228,
      "cost_per_acp": 0.4818,
      "acp_per_ws": 1.5,
      "message_per_ws": 5.5,
      "message_per_acp": 3.6667,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "cost": 0.7202,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 0.7202,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 4.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "cost": 0.5931,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 2,
      "user_message_count": 1,
      "cost_per_ws": 0.5931,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 2.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "cost": 0.0746,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 0.0746,
      "cost_per_acp": 0.0746,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "user_email": "yan.zhou@pingcap.com",
      "name": "YanZhou",
      "en_name": "",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 5.6249,
      "acp_interactions": 7,
      "workspace_count": 1,
      "message_count": 14,
      "user_message_count": 7,
      "channel_breakdown": {
        "web": 7
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 7.0
    },
    {
      "user_email": "nicole.li@pingcap.com",
      "name": "Li Yao",
      "en_name": "Nicole Li",
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "acp_interactions": 4,
      "workspace_count": 1,
      "message_count": 8,
      "user_message_count": 4,
      "channel_breakdown": {
        "web": 1
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 4.0
    },
    {
      "user_email": "yangkexin.liang@pingcap.com",
      "name": "梁杨可欣",
      "en_name": "Lucas Liang",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.9619,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 4,
      "user_message_count": 2,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "user_email": "mizuki.masuda@pingcap.com",
      "name": "Masuda Mizuki",
      "en_name": "Mizuki Masuda",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 1.9102,
      "acp_interactions": 3,
      "workspace_count": 1,
      "message_count": 6,
      "user_message_count": 3,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
      "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": 1.5476,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 4,
      "user_message_count": 2,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "user_email": "wenxuan.zhang@pingcap.com",
      "name": "张文轩",
      "en_name": "Wenxuan",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "user_message_count": 2,
      "channel_breakdown": {
        "web": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
      "user_email": "looperth.wong@pingcap.com",
      "name": "Wong Loo Perth",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "acp_interactions": 5,
      "workspace_count": 1,
      "message_count": 13,
      "user_message_count": 6,
      "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": "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",
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      "acp_interactions": 1,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 3,
      "channel_breakdown": {
        "web": 1
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.5
    },
    {
      "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": 0.9098,
      "acp_interactions": 0,
      "workspace_count": 4,
      "message_count": 33,
      "user_message_count": 11,
      "channel_breakdown": {
        "lark": 2
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "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": 0.8265,
      "acp_interactions": 7,
      "workspace_count": 1,
      "message_count": 14,
      "user_message_count": 7,
      "channel_breakdown": {
        "web": 7
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 7.0
    },
    {
      "user_email": "oliver.sheng@pingcap.com",
      "name": "吕夫洋",
      "en_name": "Oliver Sheng",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.7202,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 4,
      "user_message_count": 2,
      "channel_breakdown": {
        "web": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "user_email": "lingtao.li@pingcap.com",
      "name": "李凌涛",
      "en_name": "Lingtao Li",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.5931,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 2,
      "user_message_count": 1,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "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": 0.3002,
      "acp_interactions": 0,
      "workspace_count": 2,
      "message_count": 12,
      "user_message_count": 6,
      "channel_breakdown": {
        "web": 1
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "user_email": "xuchengxuan@pingcap.com",
      "name": "徐成选",
      "en_name": "Chris Xu",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.1658,
      "acp_interactions": 1,
      "workspace_count": 1,
      "message_count": 3,
      "user_message_count": 1,
      "channel_breakdown": {
        "lark": 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": "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": 0.0746,
      "acp_interactions": 1,
      "workspace_count": 1,
      "message_count": 3,
      "user_message_count": 1,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 1.0
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 1,
      "share": 0.017241,
      "estimated_cost_by_turn": 0.3499,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 86.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 9,
      "share": 0.155172,
      "estimated_cost_by_turn": 3.1493,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 333.78,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 25,
      "share": 0.431034,
      "estimated_cost_by_turn": 8.748,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 244.4,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 3,
      "share": 0.051724,
      "estimated_cost_by_turn": 1.0498,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 916.33,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 4,
      "share": 0.068966,
      "estimated_cost_by_turn": 1.3997,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 33.25,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
      "user_message_count": 6,
      "share": 0.103448,
      "estimated_cost_by_turn": 2.0995,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 70.67,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 7,
      "share": 0.12069,
      "estimated_cost_by_turn": 2.4494,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 46.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "未归类",
      "user_message_count": 3,
      "share": 0.051724,
      "estimated_cost_by_turn": 1.0498,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 22.67,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
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      "workspace_id": "ws-1783911664528-d8e2ef9f1",
      "title": "無題のワークスペース",
      "workspace_lifecycle": "new",
      "user_email": "yan.zhou@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 5.6249,
      "message_count": 14,
      "user_message_count": 7
    },
    {
      "workspace_id": "ws-1783904081611-2cf7538fa",
      "title": "这样吧，你就先查询这个集群的拓扑，然后画出各个组件过去一天内的 CPU 使用曲线",
      "workspace_lifecycle": "new",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 2.0466,
      "message_count": 8,
      "user_message_count": 4
    },
    {
      "workspace_id": "lark-ws-2679568e-5abb-4630-9685-e6b7919db611",
      "title": "Lark TCOC-5574",
      "workspace_lifecycle": "updated_existing",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 1.956,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1781861778609-6f2945511",
      "title": "その他　調査用",
      "workspace_lifecycle": "updated_existing",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "cost": 1.8388,
      "message_count": 6,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1783909306808-160809fd6",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "qiaodan@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 1.5301,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1783665442111-81630d590",
      "title": "2603 升级 post check",
      "workspace_lifecycle": "updated_existing",
      "user_email": "wenxuan.zhang@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "cost": 1.2355,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1783931075672-522a9d661",
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