{
  "date": "2026-08-31",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-31T00:00:00+08:00",
  "window_end": "2026-09-01T00:00:00+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": 44.2221,
    "total_acp_interactions": 118,
    "active_users": 15,
    "workspace_count": 29,
    "created_workspace_count": 30,
    "new_workspace_count": 26,
    "updated_existing_workspace_count": 5,
    "changed_workspace_count": 31,
    "message_count": 271,
    "user_message_count": 124,
    "assistant_message_count": 137,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 13.5194,
      "acp_interactions": 57,
      "workspace_count": 4,
      "active_users": 2,
      "message_count": 117,
      "user_message_count": 58,
      "cost_per_ws": 3.3799,
      "cost_per_acp": 0.2372,
      "acp_per_ws": 14.25,
      "message_per_ws": 29.25,
      "message_per_acp": 2.0526,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "cost": 9.8127,
      "acp_interactions": 4,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 8,
      "user_message_count": 4,
      "cost_per_ws": 9.8127,
      "cost_per_acp": 2.4532,
      "acp_per_ws": 4.0,
      "message_per_ws": 8.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "cost": 6.114,
      "acp_interactions": 7,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 14,
      "user_message_count": 7,
      "cost_per_ws": 6.114,
      "cost_per_acp": 0.8734,
      "acp_per_ws": 7.0,
      "message_per_ws": 14.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
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      "acp_interactions": 33,
      "workspace_count": 10,
      "active_users": 3,
      "message_count": 76,
      "user_message_count": 33,
      "cost_per_ws": 0.5637,
      "cost_per_acp": 0.1708,
      "acp_per_ws": 3.3,
      "message_per_ws": 7.6,
      "message_per_acp": 2.303,
      "correction_message_ratio": null
    },
    {
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      "acp_interactions": 5,
      "workspace_count": 4,
      "active_users": 1,
      "message_count": 14,
      "user_message_count": 5,
      "cost_per_ws": 1.0029,
      "cost_per_acp": 0.8023,
      "acp_per_ws": 1.25,
      "message_per_ws": 3.5,
      "message_per_acp": 2.8,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
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      "acp_interactions": 4,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 17,
      "user_message_count": 9,
      "cost_per_ws": 0.8195,
      "cost_per_acp": 0.6147,
      "acp_per_ws": 1.3333,
      "message_per_ws": 5.6667,
      "message_per_acp": 4.25,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
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      "acp_interactions": 1,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 1,
      "cost_per_ws": 0.5301,
      "cost_per_acp": 1.0601,
      "acp_per_ws": 0.5,
      "message_per_ws": 2.0,
      "message_per_acp": 4.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
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      "active_users": 1,
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      "user_message_count": 1,
      "cost_per_ws": 0.8436,
      "cost_per_acp": 0.8436,
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      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
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      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 0.3417,
      "cost_per_acp": 0.3417,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
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      "acp_interactions": 3,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 9,
      "user_message_count": 3,
      "cost_per_ws": 0.0797,
      "cost_per_acp": 0.0797,
      "acp_per_ws": 1.0,
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      "message_per_acp": 3.0,
      "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": 2,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 6,
      "user_message_count": 2,
      "cost_per_ws": 0.1847,
      "cost_per_acp": 0.0924,
      "acp_per_ws": 2.0,
      "message_per_ws": 6.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
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      "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": 10.6297,
      "acp_interactions": 50,
      "workspace_count": 1,
      "message_count": 103,
      "user_message_count": 51,
      "channel_breakdown": {
        "web": 50
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 50.0
    },
    {
      "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": 9.8127,
      "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": "ruihao.chen@pingcap.com",
      "name": "陈睿皓",
      "en_name": "Joe Chen",
      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "team": "Scalable SQL & Data Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 6.114,
      "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": "zhangyuanjia@pingcap.com",
      "name": "张原嘉",
      "en_name": "Ryan Zhang",
      "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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      "user_message_count": 5,
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      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.25
    },
    {
      "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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      "user_message_count": 7,
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        "web": 7
      },
      "frequency_bucket": "高频",
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    },
    {
      "user_email": "zhipeng.su@pingcap.com",
      "name": "苏志鹏",
      "en_name": "Aric Su",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
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      "workspace_count": 3,
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      "user_message_count": 17,
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        "web": 17
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
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    },
    {
      "user_email": "wen.hu@pingcap.com",
      "name": "胡雯",
      "en_name": "Wen Hu",
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      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
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      "workspace_count": 2,
      "message_count": 16,
      "user_message_count": 8,
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        "web": 8
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 4.0
    },
    {
      "user_email": "sihao.yu@pingcap.com",
      "name": "俞锶浩",
      "en_name": "Shiori Yu",
      "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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      "workspace_count": 2,
      "message_count": 9,
      "user_message_count": 5,
      "channel_breakdown": {
        "cli": 2
      },
      "frequency_bucket": "高频",
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      "behavior_mode": "高频低轮次",
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    },
    {
      "user_email": "dihong.wang@pingcap.com",
      "name": "王狄宏",
      "en_name": "Dihong.Wang",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "workspace_count": 1,
      "message_count": 3,
      "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": "charles.m@pingcap.com",
      "name": "Charles Zhu",
      "en_name": "",
      "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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      "workspace_count": 1,
      "message_count": 8,
      "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": "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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      "workspace_count": 1,
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      "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": "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",
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      "acp_interactions": 8,
      "workspace_count": 4,
      "message_count": 21,
      "user_message_count": 7,
      "channel_breakdown": {
        "lark": 8
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.0
    },
    {
      "user_email": "chenqingjing@pingcap.com",
      "name": "Kenny Chan",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.3417,
      "acp_interactions": 1,
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      "message_count": 3,
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      "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": 0.2391,
      "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": "peiliang.liu@pingcap.com",
      "name": "刘培梁",
      "en_name": "Jasper Liu",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.1847,
      "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
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 4,
      "share": 0.032258,
      "estimated_cost_by_turn": 1.4265,
      "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",
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      "share": 0.169355,
      "estimated_cost_by_turn": 7.4892,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 107.95,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 49,
      "share": 0.395161,
      "estimated_cost_by_turn": 17.4749,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 2240.55,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
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      "share": 0.104839,
      "estimated_cost_by_turn": 4.6362,
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      "avg_user_chars": 165.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
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      "share": 0.048387,
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      "avg_user_chars": 21.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
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      "estimated_cost_by_turn": 4.2796,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 298.25,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "方法论/能力咨询",
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      "estimated_cost_by_turn": 0.3566,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 8.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
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      "share": 0.137097,
      "estimated_cost_by_turn": 6.0627,
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      "avg_user_chars": 188.76,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
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      "estimated_cost_by_turn": 0.3566,
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      "avg_user_chars": 108597.0,
      "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": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 10.6298,
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      "user_message_count": 51
    },
    {
      "workspace_id": "ws-1787906350821-e6d5b5475",
      "title": "Investigate the root cause of high TiDB p99.9",
      "workspace_lifecycle": "updated_existing",
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      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 9.8127,
      "message_count": 8,
      "user_message_count": 4
    },
    {
      "workspace_id": "ws-1788154454993-f953a3e16",
      "title": "https://clinic.pingcap.com/portal/#/orgs/137281308",
      "workspace_lifecycle": "new",
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      "team_path": "Engineering Group / Database Service Engineering / Scalable SQL & Data Service",
      "scenario_group": "diagnosis",
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