{
  "date": "2026-08-14",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-14T00:00:00+08:00",
  "window_end": "2026-08-15T00:00:00+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": 30.5569,
    "total_acp_interactions": 117,
    "active_users": 15,
    "workspace_count": 24,
    "created_workspace_count": 17,
    "new_workspace_count": 19,
    "updated_existing_workspace_count": 8,
    "changed_workspace_count": 27,
    "message_count": 252,
    "user_message_count": 120,
    "assistant_message_count": 129,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 17.941,
      "acp_interactions": 76,
      "workspace_count": 7,
      "active_users": 4,
      "message_count": 195,
      "user_message_count": 97,
      "cost_per_ws": 2.563,
      "cost_per_acp": 0.2361,
      "acp_per_ws": 10.8571,
      "message_per_ws": 27.8571,
      "message_per_acp": 2.5658,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "cost": 3.6263,
      "acp_interactions": 9,
      "workspace_count": 5,
      "active_users": 1,
      "message_count": 27,
      "user_message_count": 9,
      "cost_per_ws": 0.7253,
      "cost_per_acp": 0.4029,
      "acp_per_ws": 1.8,
      "message_per_ws": 5.4,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 2.8152,
      "acp_interactions": 19,
      "workspace_count": 7,
      "active_users": 5,
      "message_count": 58,
      "user_message_count": 28,
      "cost_per_ws": 0.4022,
      "cost_per_acp": 0.1482,
      "acp_per_ws": 2.7143,
      "message_per_ws": 8.2857,
      "message_per_acp": 3.0526,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / Enterprise & Partner Product",
      "team": "Enterprise & Partner Product",
      "cost": 2.6537,
      "acp_interactions": 6,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 12,
      "user_message_count": 6,
      "cost_per_ws": 2.6537,
      "cost_per_acp": 0.4423,
      "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": 2.3034,
      "acp_interactions": 5,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 14,
      "user_message_count": 7,
      "cost_per_ws": 1.1517,
      "cost_per_acp": 0.4607,
      "acp_per_ws": 2.5,
      "message_per_ws": 7.0,
      "message_per_acp": 2.8,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "cost": 0.676,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 2,
      "user_message_count": 1,
      "cost_per_ws": 0.676,
      "cost_per_acp": 0.676,
      "acp_per_ws": 1.0,
      "message_per_ws": 2.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "cost": 0.5413,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 2,
      "user_message_count": 1,
      "cost_per_ws": 0.5413,
      "cost_per_acp": 0.5413,
      "acp_per_ws": 1.0,
      "message_per_ws": 2.0,
      "message_per_acp": 2.0,
      "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": 13.6319,
      "acp_interactions": 53,
      "workspace_count": 2,
      "message_count": 108,
      "user_message_count": 54,
      "channel_breakdown": {
        "web": 53
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 26.5
    },
    {
      "user_email": "jiangjianyuan@pingcap.com",
      "name": "蒋建元",
      "en_name": "",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 3.6263,
      "acp_interactions": 9,
      "workspace_count": 5,
      "message_count": 27,
      "user_message_count": 9,
      "channel_breakdown": {
        "lark": 9
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.8
    },
    {
      "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",
      "cost": 2.6537,
      "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": "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": 2.6001,
      "acp_interactions": 11,
      "workspace_count": 3,
      "message_count": 23,
      "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": "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": 1.2998,
      "acp_interactions": 3,
      "workspace_count": 1,
      "message_count": 7,
      "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": "jiacong.lee@pingcap.com",
      "name": "Jia Cong Lee",
      "en_name": "Jia Cong Lee",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.2316,
      "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": "yahonda@pingcap.com",
      "name": "Yasuo Honda",
      "en_name": "",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.0251,
      "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": "stanley.huang@pingcap.com",
      "name": "Weiming Huang",
      "en_name": "Stanley Huang",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 1.0036,
      "acp_interactions": 2,
      "workspace_count": 1,
      "message_count": 7,
      "user_message_count": 4,
      "channel_breakdown": {
        "cli": 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": "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": 0.8402,
      "acp_interactions": 7,
      "workspace_count": 3,
      "message_count": 14,
      "user_message_count": 7,
      "channel_breakdown": {
        "web": 7
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.3333
    },
    {
      "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": 0.6839,
      "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": "zhangxuecheng@pingcap.com",
      "name": "张学程",
      "en_name": "Cody Zhang",
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.676,
      "acp_interactions": 1,
      "workspace_count": 1,
      "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": "debin.jia@pingcap.com",
      "name": "贾德宾",
      "en_name": "Derek Jia",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.5413,
      "acp_interactions": 1,
      "workspace_count": 1,
      "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": "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": 0.3696,
      "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": "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": 0.2227,
      "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": "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",
      "cost": 0.1511,
      "acp_interactions": 2,
      "workspace_count": 1,
      "message_count": 5,
      "user_message_count": 2,
      "channel_breakdown": {
        "lark": 1,
        "web": 1
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 2.0
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 2,
      "share": 0.016667,
      "estimated_cost_by_turn": 0.5093,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 116.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 22,
      "share": 0.183333,
      "estimated_cost_by_turn": 5.6021,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 987.86,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 45,
      "share": 0.375,
      "estimated_cost_by_turn": 11.4589,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 1306.31,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 12,
      "share": 0.1,
      "estimated_cost_by_turn": 3.0557,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 342.33,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 10,
      "share": 0.083333,
      "estimated_cost_by_turn": 2.5464,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 33.4,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
      "user_message_count": 10,
      "share": 0.083333,
      "estimated_cost_by_turn": 2.5464,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 77.4,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "方法论/能力咨询",
      "user_message_count": 1,
      "share": 0.008333,
      "estimated_cost_by_turn": 0.2546,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 50.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 5,
      "share": 0.041667,
      "estimated_cost_by_turn": 1.2732,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 70.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "未归类",
      "user_message_count": 13,
      "share": 0.108333,
      "estimated_cost_by_turn": 3.3103,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 33.08,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
    {
      "workspace_id": "ws-1786528246140-ccd48b0d0",
      "title": "Mercari TCID-13028",
      "workspace_lifecycle": "updated_existing",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 10.9446,
      "message_count": 68,
      "user_message_count": 34
    },
    {
      "workspace_id": "ws-1786687326688-259b0c472",
      "title": "查询 org 1372813089209061633 下所有 Dedicated",
      "workspace_lifecycle": "new",
      "user_email": "nicole.li@pingcap.com",
      "team_path": "Product / Enterprise & Partner Product",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 2.6537,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "ws-1786675190560-bdeb83252",
      "title": "JPID-10224 PayPay application timeout",
      "workspace_lifecycle": "new",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 2.4252,
      "message_count": 40,
      "user_message_count": 20
    },
    {
      "workspace_id": "lark-ws-183bc471-bb9a-4e0e-95fd-cc53870f7caa",
      "title": "Lark O11Y-2637707",
      "workspace_lifecycle": "new",
      "user_email": "jiangjianyuan@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 1.9919,
      "message_count": 15,
      "user_message_count": 5
    },
    {
      "workspace_id": "ws-1786593999968-e5f7b3eee",
      "title": "gumi TiKVスケールダウン arrow-production-default-dedicated",
      "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": 1.7293,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "ws-1786690941683-18382645d",
      "title": "TCID-13036",
      "workspace_lifecycle": "new",
      "user_email": "chenqingjing@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 1.2998,
      "message_count": 7,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1786698739350-e58b0041f",
      "title": "Cluster 10422407421498015543",
      "workspace_lifecycle": "new",
      "user_email": "jiacong.lee@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 1.218,
      "message_count": 8,
      "user_message_count": 4
    },
    {
      "workspace_id": "ws-1786323267878-a7d68d524",
      "title": "無題のワークスペース",
      "workspace_lifecycle": "updated_existing",
      "user_email": "yahonda@pingcap.com",
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