{
  "date": "2026-09-04",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-09-04T00:00:00+08:00",
  "window_end": "2026-09-05T00:00:00+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": 32.821,
    "total_acp_interactions": 119,
    "active_users": 16,
    "workspace_count": 27,
    "created_workspace_count": 26,
    "new_workspace_count": 23,
    "updated_existing_workspace_count": 4,
    "changed_workspace_count": 27,
    "message_count": 273,
    "user_message_count": 119,
    "assistant_message_count": 152,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 8.0697,
      "acp_interactions": 32,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 64,
      "user_message_count": 32,
      "cost_per_ws": 4.0349,
      "cost_per_acp": 0.2522,
      "acp_per_ws": 16.0,
      "message_per_ws": 32.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "cost": 7.9589,
      "acp_interactions": 4,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 8,
      "user_message_count": 4,
      "cost_per_ws": 3.9795,
      "cost_per_acp": 1.9897,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 6.5265,
      "acp_interactions": 48,
      "workspace_count": 11,
      "active_users": 5,
      "message_count": 117,
      "user_message_count": 48,
      "cost_per_ws": 0.5933,
      "cost_per_acp": 0.136,
      "acp_per_ws": 4.3636,
      "message_per_ws": 10.6364,
      "message_per_acp": 2.4375,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "cost": 3.9146,
      "acp_interactions": 11,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 22,
      "user_message_count": 11,
      "cost_per_ws": 1.3049,
      "cost_per_acp": 0.3559,
      "acp_per_ws": 3.6667,
      "message_per_ws": 7.3333,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
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      "acp_interactions": 12,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 36,
      "user_message_count": 12,
      "cost_per_ws": 0.8876,
      "cost_per_acp": 0.2219,
      "acp_per_ws": 4.0,
      "message_per_ws": 12.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
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      "acp_interactions": 2,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 1.5384,
      "cost_per_acp": 0.7692,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "cost": 0.7421,
      "acp_interactions": 2,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 0.7421,
      "cost_per_acp": 0.3711,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
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      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 0.6677,
      "cost_per_acp": 0.6677,
      "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 / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
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      "acp_interactions": 5,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 11,
      "user_message_count": 5,
      "cost_per_ws": 0.2632,
      "cost_per_acp": 0.1053,
      "acp_per_ws": 2.5,
      "message_per_ws": 5.5,
      "message_per_acp": 2.2,
      "correction_message_ratio": null
    },
    {
      "team_path": "Finance / FP&A",
      "team": "FP&A",
      "cost": 0.2137,
      "acp_interactions": 2,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 0.2137,
      "cost_per_acp": 0.1069,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
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      "en_name": "Lucas Liang",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 7.9589,
      "acp_interactions": 4,
      "workspace_count": 2,
      "message_count": 8,
      "user_message_count": 4,
      "channel_breakdown": {
        "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": "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": 4.7723,
      "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": "weizhin.lim@pingcap.com",
      "name": "Lim Wei Zhin",
      "en_name": "Lim Wei Zhin",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 4.1575,
      "acp_interactions": 36,
      "workspace_count": 6,
      "message_count": 93,
      "user_message_count": 36,
      "channel_breakdown": {
        "lark": 21,
        "web": 15
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 6.0
    },
    {
      "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",
      "cost": 3.9146,
      "acp_interactions": 11,
      "workspace_count": 3,
      "message_count": 22,
      "user_message_count": 11,
      "channel_breakdown": {
        "web": 11
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 3.6667
    },
    {
      "user_email": "yahonda@pingcap.com",
      "name": "Yasuo Honda",
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      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "acp_interactions": 26,
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      "user_message_count": 26,
      "channel_breakdown": {
        "web": 26
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 26.0
    },
    {
      "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",
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      "acp_interactions": 12,
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      "user_message_count": 12,
      "channel_breakdown": {
        "lark": 12
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 4.0
    },
    {
      "user_email": "debin.jia@pingcap.com",
      "name": "贾德宾",
      "en_name": "Derek Jia",
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      "team": "KV Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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        "web": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
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      "name": "Jia Cong Lee",
      "en_name": "Jia Cong Lee",
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      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "workspace_count": 1,
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      "channel_breakdown": {
        "web": 3
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
      "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",
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      "user_message_count": 6,
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        "web": 6
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
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      "avg_acp_per_ws": 6.0
    },
    {
      "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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      "workspace_count": 1,
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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": "zhangyuanjia@pingcap.com",
      "name": "张原嘉",
      "en_name": "Ryan Zhang",
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      "team": "SQL Optimization & Execution",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "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": "chenqingjing@pingcap.com",
      "name": "Kenny Chan",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
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      "workspace_count": 1,
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      "user_message_count": 3,
      "channel_breakdown": {
        "web": 3
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
      "user_email": "hongwei.shi@pingcap.com",
      "name": "",
      "en_name": "Jacky Shi",
      "team_path": "Finance / FP&A",
      "team": "FP&A",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.2137,
      "acp_interactions": 2,
      "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": 2.0
    },
    {
      "user_email": "wai.ho@pingcap.com",
      "name": "Chun Wai Ho",
      "en_name": "Wai Ho",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
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      "message_count": 4,
      "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": "wen.hu@pingcap.com",
      "name": "胡雯",
      "en_name": "Wen Hu",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.0958,
      "acp_interactions": 1,
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      "message_count": 2,
      "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": "jianghongmei@pingcap.com",
      "name": "江红梅",
      "en_name": "Hongmei Jiang",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.0758,
      "acp_interactions": 2,
      "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": 2.0
    }
  ],
  "message_categories": [
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      "category": "查询纠偏",
      "user_message_count": 2,
      "share": 0.016807,
      "estimated_cost_by_turn": 0.5516,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 525.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
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      "share": 0.07563,
      "estimated_cost_by_turn": 2.4823,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 829.11,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 36,
      "share": 0.302521,
      "estimated_cost_by_turn": 9.929,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 120.72,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
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      "share": 0.084034,
      "estimated_cost_by_turn": 2.7581,
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      "avg_user_chars": 108.1,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
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      "estimated_cost_by_turn": 3.8613,
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      "avg_user_chars": 848.71,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
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      "share": 0.117647,
      "estimated_cost_by_turn": 3.8613,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 3840.57,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "方法论/能力咨询",
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      "share": 0.02521,
      "estimated_cost_by_turn": 0.8274,
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      "avg_user_chars": 47.67,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
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      "share": 0.142857,
      "estimated_cost_by_turn": 4.6887,
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      "avg_user_chars": 2172.71,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "未归类",
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      "share": 0.117647,
      "estimated_cost_by_turn": 3.8613,
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      "avg_user_chars": 27.36,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
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      "workspace_lifecycle": "new",
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      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 5.3409,
      "message_count": 6,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1788511259093-bcee09313",
      "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": "resource_control_or_capacity",
      "cost": 4.7723,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "ws-1788325889139-1bf1bdf93",
      "title": "TCID-13128",
      "workspace_lifecycle": "updated_existing",
      "user_email": "yahonda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 3.2974,
      "message_count": 52,
      "user_message_count": 26
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