{
  "date": "2026-07-28",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-07-28T00:00:00+08:00",
  "window_end": "2026-07-29T00:00:00+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": 57.1418,
    "total_acp_interactions": 155,
    "active_users": 22,
    "workspace_count": 41,
    "created_workspace_count": 33,
    "new_workspace_count": 37,
    "updated_existing_workspace_count": 14,
    "changed_workspace_count": 51,
    "message_count": 352,
    "user_message_count": 151,
    "assistant_message_count": 198,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 12.9149,
      "acp_interactions": 32,
      "workspace_count": 10,
      "active_users": 5,
      "message_count": 66,
      "user_message_count": 30,
      "cost_per_ws": 1.2915,
      "cost_per_acp": 0.4036,
      "acp_per_ws": 3.2,
      "message_per_ws": 6.6,
      "message_per_acp": 2.0625,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 11.0057,
      "acp_interactions": 40,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 136,
      "user_message_count": 68,
      "cost_per_ws": 3.6686,
      "cost_per_acp": 0.2751,
      "acp_per_ws": 13.3333,
      "message_per_ws": 45.3333,
      "message_per_acp": 3.4,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "cost": 7.5608,
      "acp_interactions": 4,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 14,
      "user_message_count": 7,
      "cost_per_ws": 3.7804,
      "cost_per_acp": 1.8902,
      "acp_per_ws": 2.0,
      "message_per_ws": 7.0,
      "message_per_acp": 3.5,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "cost": 6.4775,
      "acp_interactions": 37,
      "workspace_count": 5,
      "active_users": 1,
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      "user_message_count": 37,
      "cost_per_ws": 1.2955,
      "cost_per_acp": 0.1751,
      "acp_per_ws": 7.4,
      "message_per_ws": 22.2,
      "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": 7,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 21,
      "user_message_count": 12,
      "cost_per_ws": 2.433,
      "cost_per_acp": 0.6951,
      "acp_per_ws": 3.5,
      "message_per_ws": 10.5,
      "message_per_acp": 3.0,
      "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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      "workspace_count": 3,
      "active_users": 1,
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      "cost_per_ws": 1.4829,
      "cost_per_acp": 0.5561,
      "acp_per_ws": 2.6667,
      "message_per_ws": 5.3333,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
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      "workspace_count": 4,
      "active_users": 1,
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      "cost_per_ws": 0.6962,
      "cost_per_acp": 0.6962,
      "acp_per_ws": 1.0,
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      "message_per_acp": 3.5,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
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      "user_message_count": 5,
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      "cost_per_acp": 0.4554,
      "acp_per_ws": 1.25,
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      "message_per_acp": 2.8,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
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      "active_users": 2,
      "message_count": 10,
      "user_message_count": 5,
      "cost_per_ws": 0.9309,
      "cost_per_acp": 0.3723,
      "acp_per_ws": 2.5,
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      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
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      "acp_interactions": 6,
      "workspace_count": 2,
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      "user_message_count": 10,
      "cost_per_ws": 0.5479,
      "cost_per_acp": 0.1826,
      "acp_per_ws": 3.0,
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      "message_per_acp": 3.3333,
      "correction_message_ratio": null
    },
    {
      "team_path": "Central Enabling Group / Solution Architects",
      "team": "Solution Architects",
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      "workspace_count": 1,
      "active_users": 1,
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      "user_message_count": 1,
      "cost_per_ws": 0.7104,
      "cost_per_acp": 0.7104,
      "acp_per_ws": 1.0,
      "message_per_ws": 2.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
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      "message_count": 12,
      "user_message_count": 4,
      "cost_per_ws": 0.1761,
      "cost_per_acp": 0.1761,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
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      "acp_interactions": 2,
      "workspace_count": 1,
      "active_users": 1,
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      "user_message_count": 2,
      "cost_per_ws": 0.4343,
      "cost_per_acp": 0.2172,
      "acp_per_ws": 2.0,
      "message_per_ws": 6.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "user_email": "takahiko.miyasaka@pingcap.com",
      "name": "Miyasaka Takahiko",
      "en_name": "Takahiko Miyasaka",
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      "team": "Technical Service",
      "mapping_source": "pingcap_members_by_team.csv",
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      "acp_interactions": 34,
      "workspace_count": 2,
      "message_count": 68,
      "user_message_count": 34,
      "channel_breakdown": {
        "web": 34
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 17.0
    },
    {
      "user_email": "zhi.xie@pingcap.com",
      "name": "谢智",
      "en_name": "Zhi Xie",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "frequency_bucket": "高频",
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      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
      "user_email": "weizhin.lim@pingcap.com",
      "name": "Lim Wei Zhin",
      "en_name": "Lim Wei Zhin",
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      "team": "Intelligent Support",
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      "channel_breakdown": {
        "lark": 2,
        "web": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.25
    },
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      "team": "Efficiency & Quality",
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      "workspace_count": 5,
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      "user_message_count": 37,
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      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
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    },
    {
      "user_email": "tailingxiang@pingcap.com",
      "name": "邰凌翔",
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      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "mapping_source": "investibook-usage-team-overrides.csv",
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        "web": 8
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.6667
    },
    {
      "user_email": "zhipeng.su@pingcap.com",
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      "en_name": "Aric Su",
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      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
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      "acp_interactions": 21,
      "workspace_count": 2,
      "message_count": 43,
      "user_message_count": 21,
      "channel_breakdown": {
        "web": 21
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 10.5
    },
    {
      "user_email": "chenqingjing@pingcap.com",
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      "team": "Advanced Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 4.0
    },
    {
      "user_email": "nizheming@pingcap.com",
      "name": "倪哲鸣",
      "en_name": "Zheming Ni",
      "team_path": "Engineering Group / Engineering Mission Pods",
      "team": "Engineering Mission Pods",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "workspace_count": 4,
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      "channel_breakdown": {
        "cli": 4
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
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    },
    {
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      "team": "Intelligent Support Enablement",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "acp_interactions": 5,
      "workspace_count": 3,
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      "user_message_count": 4,
      "channel_breakdown": {
        "lark": 2,
        "web": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
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    },
    {
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      "name": "李凌涛",
      "en_name": "Lingtao Li",
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      "team": "Observability & Diagnostics Service",
      "mapping_source": "pingcap_members_by_team.csv",
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      "channel_breakdown": {
        "cli": 1
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
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      "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": 1.4922,
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      "user_message_count": 8,
      "channel_breakdown": {
        "cli": 3
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
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      "name": "Cherubin John",
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      "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": 3,
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      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.5
    },
    {
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      "en_name": "Xianjing Wang",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "mapping_source": "pingcap_members_by_team.csv",
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      "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
    },
    {
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      "name": "胡玉乐",
      "en_name": "Jasper Hu",
      "team_path": "Central Enabling Group / Solution Architects",
      "team": "Solution Architects",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.7104,
      "acp_interactions": 1,
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      "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": "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": 0.7044,
      "acp_interactions": 3,
      "workspace_count": 3,
      "message_count": 9,
      "user_message_count": 3,
      "channel_breakdown": {
        "lark": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "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": 0.6311,
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      "user_message_count": 0,
      "channel_breakdown": {
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      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "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",
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      "acp_interactions": 2,
      "workspace_count": 1,
      "message_count": 6,
      "user_message_count": 2,
      "channel_breakdown": {
        "lark": 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": "letian.wang@pingcap.com",
      "name": "王乐天",
      "en_name": "Letian Wang",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.3562,
      "acp_interactions": 4,
      "workspace_count": 1,
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      "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": "yichen.han@pingcap.com",
      "name": "韩轶辰",
      "en_name": "Yichen Han",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality / Quality Assurance Service",
      "team": "Quality Assurance Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.3164,
      "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": "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": 0.2605,
      "acp_interactions": 6,
      "workspace_count": 1,
      "message_count": 0,
      "user_message_count": 0,
      "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
    },
    {
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