{
  "date": "2026-06-09",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-06-09T00:00:00+08:00",
  "window_end": "2026-06-10T00:00:00+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": 35.429,
    "total_acp_interactions": 44,
    "active_users": 13,
    "workspace_count": 19,
    "created_workspace_count": 12,
    "new_workspace_count": 18,
    "updated_existing_workspace_count": 10,
    "changed_workspace_count": 28,
    "message_count": 175,
    "user_message_count": 80,
    "assistant_message_count": 93,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "cost": 14.6865,
      "acp_interactions": 22,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 90,
      "user_message_count": 45,
      "cost_per_ws": 4.8955,
      "cost_per_acp": 0.6676,
      "acp_per_ws": 7.3333,
      "message_per_ws": 30.0,
      "message_per_acp": 4.0909,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "cost": 8.3844,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 44,
      "user_message_count": 22,
      "cost_per_ws": 8.3844,
      "cost_per_acp": 8.3844,
      "acp_per_ws": 1.0,
      "message_per_ws": 44.0,
      "message_per_acp": 44.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 6.6397,
      "acp_interactions": 10,
      "workspace_count": 6,
      "active_users": 4,
      "message_count": 57,
      "user_message_count": 28,
      "cost_per_ws": 1.1066,
      "cost_per_acp": 0.664,
      "acp_per_ws": 1.6667,
      "message_per_ws": 9.5,
      "message_per_acp": 5.7,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "cost": 2.0583,
      "acp_interactions": 3,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 12,
      "user_message_count": 6,
      "cost_per_ws": 2.0583,
      "cost_per_acp": 0.6861,
      "acp_per_ws": 3.0,
      "message_per_ws": 12.0,
      "message_per_acp": 4.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "cost": 1.0887,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 6,
      "user_message_count": 2,
      "cost_per_ws": 1.0887,
      "cost_per_acp": 1.0887,
      "acp_per_ws": 1.0,
      "message_per_ws": 6.0,
      "message_per_acp": 6.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
      "cost": 0.9811,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 0,
      "user_message_count": 0,
      "cost_per_ws": 0.9811,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 0.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 0.9421,
      "acp_interactions": 6,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 29,
      "user_message_count": 11,
      "cost_per_ws": 0.314,
      "cost_per_acp": 0.157,
      "acp_per_ws": 2.0,
      "message_per_ws": 9.6667,
      "message_per_acp": 4.8333,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "cost": 0.5116,
      "acp_interactions": 1,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 15,
      "user_message_count": 5,
      "cost_per_ws": 0.2558,
      "cost_per_acp": 0.5116,
      "acp_per_ws": 0.5,
      "message_per_ws": 7.5,
      "message_per_acp": 15.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
      "cost": 0.1367,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 0.1367,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 3.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "user_email": "yangkexin.liang@pingcap.com",
      "name": "梁杨可欣",
      "en_name": "Lucas Liang",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "team": "Enterprise Customer Engineering",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 14.6865,
      "acp_interactions": 22,
      "workspace_count": 3,
      "message_count": 46,
      "user_message_count": 23,
      "channel_breakdown": {
        "web": 22
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 7.3333
    },
    {
      "user_email": "bear.c@pingcap.com",
      "name": "Bear. C",
      "en_name": "Benjamin Xiong",
      "team_path": "Engineering Group / Database Service Engineering",
      "team": "Database Service Engineering",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 8.3844,
      "acp_interactions": 1,
      "workspace_count": 1,
      "message_count": 44,
      "user_message_count": 22,
      "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": "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": 3.3994,
      "acp_interactions": 2,
      "workspace_count": 3,
      "message_count": 12,
      "user_message_count": 6,
      "channel_breakdown": {
        "web": 2
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.6667
    },
    {
      "user_email": "lang.zhu@pingcap.com",
      "name": "祝浪",
      "en_name": "Peter Zhu",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 2.0583,
      "acp_interactions": 3,
      "workspace_count": 1,
      "message_count": 6,
      "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": "mizuki.masuda@pingcap.com",
      "name": "Masuda Mizuki",
      "en_name": "Mizuki Masuda",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 1.1418,
      "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": "zefeng.nie@pingcap.com",
      "name": "聂泽峯",
      "en_name": "Anthony Nie",
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.0953,
      "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": "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": 1.0887,
      "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": "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": 1.0032,
      "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": "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": 0.9811,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 0,
      "user_message_count": 0,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "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": 0.5508,
      "acp_interactions": 6,
      "workspace_count": 2,
      "message_count": 22,
      "user_message_count": 8,
      "channel_breakdown": {
        "lark": 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": "zhitao.chen@pingcap.com",
      "name": "陈志涛",
      "en_name": "Theo Chen",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.5116,
      "acp_interactions": 1,
      "workspace_count": 2,
      "message_count": 15,
      "user_message_count": 5,
      "channel_breakdown": {
        "lark": 1
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.5
    },
    {
      "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": 0.3913,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 7,
      "user_message_count": 3,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "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",
      "cost": 0.1367,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 3,
      "user_message_count": 1,
      "channel_breakdown": {},
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 4,
      "share": 0.05,
      "estimated_cost_by_turn": 1.7715,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 20.75,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 18,
      "share": 0.225,
      "estimated_cost_by_turn": 7.9715,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 158.61,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 24,
      "share": 0.3,
      "estimated_cost_by_turn": 10.6287,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 92.67,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 5,
      "share": 0.0625,
      "estimated_cost_by_turn": 2.2143,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 33.4,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 7,
      "share": 0.0875,
      "estimated_cost_by_turn": 3.1,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 32.14,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
      "user_message_count": 8,
      "share": 0.1,
      "estimated_cost_by_turn": 3.5429,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 191.12,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "方法论/能力咨询",
      "user_message_count": 8,
      "share": 0.1,
      "estimated_cost_by_turn": 3.5429,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 351.88,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 6,
      "share": 0.075,
      "estimated_cost_by_turn": 2.6572,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 37.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
    {
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      "title": "Wetech-Daily Inspection",
      "workspace_lifecycle": "new",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 8.7855,
      "message_count": 38,
      "user_message_count": 19
    },
    {
      "workspace_id": "ws-1780744090206-7f3465d21",
      "title": "生产上所有 active 的 essential 集群，对应的 topology 和 qps",
      "workspace_lifecycle": "updated_existing",
      "user_email": "bear.c@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "cluster_topology_or_scaling",
      "cost": 8.3844,
      "message_count": 44,
      "user_message_count": 22
    },
    {
      "workspace_id": "ws-1780995952860-00c8de6c0",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "session_or_process_management",
      "cost": 4.185,
      "message_count": 2,
      "user_message_count": 1
    },
    {
      "workspace_id": "ws-1780970675517-28234d82d",
      "title": "https://tidb.atlassian.net/browse/TCID-12778",
      "workspace_lifecycle": "new",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "cost": 2.3716,
      "message_count": 8,
      "user_message_count": 4
    },
    {
      "workspace_id": "ws-1780929121624-8e23f9163",
      "title": "TCOC-5372",
      "workspace_lifecycle": "updated_existing",
      "user_email": "lang.zhu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 1.9883,
      "message_count": 6,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1780294338249-09431d92b",
      "title": "未命名工作空间",
      "workspace_lifecycle": "updated_existing",
      "user_email": "yangkexin.liang@pingcap.com",
      "team_path": "Engineering Group / Enterprise Customer Engineering",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 1.6179,
      "message_count": 6,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1781004438966-8d0f8d39f",
      "title": "TCID-12781",
      "workspace_lifecycle": "new",
      "user_email": "mizuki.masuda@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 1.1418,
      "message_count": 7,
      "user_message_count": 3
    },
    {
      "workspace_id": "lark-ws-df074164-f169-4b93-ba70-1781fbd8cfab",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "peiliang.liu@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 1.0808,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "ws-1780650442165-634e23584",
      "title": "未命名工作空间",
      "workspace_lifecycle": "updated_existing",
      "user_email": "zefeng.nie@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 1.0763,
      "message_count": 2,
      "user_message_count": 1
    },
    {
      "workspace_id": "ws-1780553393621-5be71d96d",
      "title": "",
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