{
  "date": "2026-08-13",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-13T00:00:00+08:00",
  "window_end": "2026-08-14T00:00:00+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": 70.3296,
    "total_acp_interactions": 156,
    "active_users": 21,
    "workspace_count": 36,
    "created_workspace_count": 28,
    "new_workspace_count": 29,
    "updated_existing_workspace_count": 10,
    "changed_workspace_count": 39,
    "message_count": 323,
    "user_message_count": 153,
    "assistant_message_count": 165,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "cost": 14.1867,
      "acp_interactions": 35,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 144,
      "user_message_count": 72,
      "cost_per_ws": 14.1867,
      "cost_per_acp": 0.4053,
      "acp_per_ws": 35.0,
      "message_per_ws": 144.0,
      "message_per_acp": 4.1143,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "cost": 14.0264,
      "acp_interactions": 15,
      "workspace_count": 6,
      "active_users": 2,
      "message_count": 36,
      "user_message_count": 18,
      "cost_per_ws": 2.3377,
      "cost_per_acp": 0.9351,
      "acp_per_ws": 2.5,
      "message_per_ws": 6.0,
      "message_per_acp": 2.4,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Intelligent Query Processing Service / SQL Optimization & Execution",
      "team": "SQL Optimization & Execution",
      "cost": 13.0155,
      "acp_interactions": 16,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 33,
      "user_message_count": 16,
      "cost_per_ws": 6.5078,
      "cost_per_acp": 0.8135,
      "acp_per_ws": 8.0,
      "message_per_ws": 16.5,
      "message_per_acp": 2.0625,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 10.4293,
      "acp_interactions": 49,
      "workspace_count": 8,
      "active_users": 3,
      "message_count": 153,
      "user_message_count": 76,
      "cost_per_ws": 1.3037,
      "cost_per_acp": 0.2128,
      "acp_per_ws": 6.125,
      "message_per_ws": 19.125,
      "message_per_acp": 3.1224,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
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      "acp_interactions": 22,
      "workspace_count": 7,
      "active_users": 5,
      "message_count": 39,
      "user_message_count": 17,
      "cost_per_ws": 1.1679,
      "cost_per_acp": 0.3716,
      "acp_per_ws": 3.1429,
      "message_per_ws": 5.5714,
      "message_per_acp": 1.7727,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "cost": 3.2208,
      "acp_interactions": 3,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 11,
      "user_message_count": 5,
      "cost_per_ws": 1.6104,
      "cost_per_acp": 1.0736,
      "acp_per_ws": 1.5,
      "message_per_ws": 5.5,
      "message_per_acp": 3.6667,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
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      "acp_interactions": 6,
      "workspace_count": 4,
      "active_users": 2,
      "message_count": 16,
      "user_message_count": 6,
      "cost_per_ws": 0.6856,
      "cost_per_acp": 0.4571,
      "acp_per_ws": 1.5,
      "message_per_ws": 4.0,
      "message_per_acp": 2.6667,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
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      "user_message_count": 3,
      "cost_per_ws": 0.8562,
      "cost_per_acp": 0.8562,
      "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": 4,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 9,
      "user_message_count": 4,
      "cost_per_ws": 1.4305,
      "cost_per_acp": 0.3576,
      "acp_per_ws": 4.0,
      "message_per_ws": 9.0,
      "message_per_acp": 2.25,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Essential & Premium",
      "team": "Essential & Premium",
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      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
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      "user_message_count": 1,
      "cost_per_ws": 0.4193,
      "cost_per_acp": 0.4193,
      "acp_per_ws": 1.0,
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      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
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      "acp_interactions": 2,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 0.1147,
      "cost_per_acp": 0.0574,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
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      "name": "Bear. C",
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      "team": "Database Service Engineering",
      "mapping_source": "pingcap_members_by_team.csv",
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      "acp_interactions": 35,
      "workspace_count": 1,
      "message_count": 72,
      "user_message_count": 36,
      "channel_breakdown": {
        "web": 35
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 35.0
    },
    {
      "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",
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      "acp_interactions": 39,
      "workspace_count": 3,
      "message_count": 78,
      "user_message_count": 39,
      "channel_breakdown": {
        "web": 39
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 13.0
    },
    {
      "user_email": "shentaining@pingcap.com",
      "name": "沈泰宁",
      "en_name": "Neil Shen",
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 7.7415,
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      "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
    },
    {
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      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 9.0
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    {
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      "en_name": "Derek Jia",
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      "team": "KV Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "channel_breakdown": {
        "web": 13
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
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    },
    {
      "user_email": "tongzhigao@pingcap.com",
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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": 7
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 7.0
    },
    {
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      "en_name": "Wen Hu",
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      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
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      "channel_breakdown": {
        "web": 6
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
      "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",
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      "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": "jiacong.lee@pingcap.com",
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      "en_name": "Jia Cong Lee",
      "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,
      "channel_breakdown": {
        "web": 3
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
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    },
    {
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      "en_name": "Jasper Liu",
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      "team": "Technical Account Management",
      "mapping_source": "investibook-usage-team-overrides.csv",
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        "web": 2
      },
      "frequency_bucket": "高频",
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      "avg_acp_per_ws": 1.5
    },
    {
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      "en_name": "",
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      "team": "Intelligent Support Enablement",
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      "user_message_count": 4,
      "channel_breakdown": {
        "cli": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
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    {
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      "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": 1.4305,
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      "workspace_count": 1,
      "message_count": 9,
      "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": "王康",
      "en_name": "Kang Wang",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "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
    },
    {
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      "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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      "workspace_count": 3,
      "message_count": 6,
      "user_message_count": 3,
      "channel_breakdown": {
        "web": 4
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.3333
    },
    {
      "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": 0.7363,
      "acp_interactions": 6,
      "workspace_count": 2,
      "message_count": 13,
      "user_message_count": 6,
      "channel_breakdown": {
        "web": 6
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 3.0
    },
    {
      "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": 0.6379,
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      "workspace_count": 2,
      "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": 1.5
    },
    {
      "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",
      "cost": 0.4661,
      "acp_interactions": 5,
      "workspace_count": 1,
      "message_count": 0,
      "user_message_count": 0,
      "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": 0.4297,
      "acp_interactions": 4,
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      "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": "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": 0.4193,
      "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": "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": 0.2826,
      "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": "xuhuaiyu@pingcap.com",
      "name": "徐怀宇",
      "en_name": "Huaiyu Xu",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.1147,
      "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": [
    {
      "category": "查询纠偏",
      "user_message_count": 5,
      "share": 0.03268,
      "estimated_cost_by_turn": 2.2984,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 225.8,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断纠偏",
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}