{
  "date": "2026-08-21",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-21T00:00:00+08:00",
  "window_end": "2026-08-22T00:00:00+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": 22.9448,
    "total_acp_interactions": 69,
    "active_users": 14,
    "workspace_count": 21,
    "created_workspace_count": 20,
    "new_workspace_count": 23,
    "updated_existing_workspace_count": 5,
    "changed_workspace_count": 28,
    "message_count": 158,
    "user_message_count": 74,
    "assistant_message_count": 79,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "cost": 7.4479,
      "acp_interactions": 5,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 15,
      "user_message_count": 7,
      "cost_per_ws": 3.724,
      "cost_per_acp": 1.4896,
      "acp_per_ws": 2.5,
      "message_per_ws": 7.5,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 5.4855,
      "acp_interactions": 18,
      "workspace_count": 6,
      "active_users": 4,
      "message_count": 62,
      "user_message_count": 30,
      "cost_per_ws": 0.9143,
      "cost_per_acp": 0.3048,
      "acp_per_ws": 3.0,
      "message_per_ws": 10.3333,
      "message_per_acp": 3.4444,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 4.7448,
      "acp_interactions": 28,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 107,
      "user_message_count": 53,
      "cost_per_ws": 1.5816,
      "cost_per_acp": 0.1695,
      "acp_per_ws": 9.3333,
      "message_per_ws": 35.6667,
      "message_per_acp": 3.8214,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "team": "Advanced Intelligent Support",
      "cost": 2.9236,
      "acp_interactions": 10,
      "workspace_count": 5,
      "active_users": 3,
      "message_count": 34,
      "user_message_count": 17,
      "cost_per_ws": 0.5847,
      "cost_per_acp": 0.2924,
      "acp_per_ws": 2.0,
      "message_per_ws": 6.8,
      "message_per_acp": 3.4,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "team": "Technical Account Management",
      "cost": 1.4544,
      "acp_interactions": 2,
      "workspace_count": 2,
      "active_users": 1,
      "message_count": 6,
      "user_message_count": 2,
      "cost_per_ws": 0.7272,
      "cost_per_acp": 0.7272,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
      "team": "Data Integration",
      "cost": 0.661,
      "acp_interactions": 4,
      "workspace_count": 4,
      "active_users": 1,
      "message_count": 12,
      "user_message_count": 4,
      "cost_per_ws": 0.1653,
      "cost_per_acp": 0.1653,
      "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 / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "cost": 0.2276,
      "acp_interactions": 2,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 0.1138,
      "cost_per_acp": 0.1138,
      "acp_per_ws": 1.0,
      "message_per_ws": 2.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "user_email": "xieyujie@pingcap.com",
      "name": "谢玉洁",
      "en_name": "Yujie Xie",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 7.4479,
      "acp_interactions": 5,
      "workspace_count": 2,
      "message_count": 15,
      "user_message_count": 7,
      "channel_breakdown": {
        "cli": 2,
        "web": 3
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 2.5
    },
    {
      "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": 4.5167,
      "acp_interactions": 26,
      "workspace_count": 2,
      "message_count": 52,
      "user_message_count": 26,
      "channel_breakdown": {
        "web": 26
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 13.0
    },
    {
      "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": 3.3197,
      "acp_interactions": 12,
      "workspace_count": 2,
      "message_count": 24,
      "user_message_count": 12,
      "channel_breakdown": {
        "web": 12
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 6.0
    },
    {
      "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": 1.4544,
      "acp_interactions": 2,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 2,
      "channel_breakdown": {
        "lark": 2
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "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": 1.2668,
      "acp_interactions": 3,
      "workspace_count": 1,
      "message_count": 10,
      "user_message_count": 6,
      "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": "jianghongmei@pingcap.com",
      "name": "江红梅",
      "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": 0.9399,
      "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": "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",
      "cost": 0.7608,
      "acp_interactions": 2,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 2,
      "channel_breakdown": {
        "lark": 2
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "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": 0.7169,
      "acp_interactions": 3,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 2,
      "channel_breakdown": {
        "web": 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": "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": 0.7064,
      "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": "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": 0.6986,
      "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": "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": 0.661,
      "acp_interactions": 4,
      "workspace_count": 2,
      "message_count": 6,
      "user_message_count": 2,
      "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": "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": 0.2281,
      "acp_interactions": 2,
      "workspace_count": 1,
      "message_count": 5,
      "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": "lingtao.li@pingcap.com",
      "name": "李凌涛",
      "en_name": "Lingtao Li",
      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
      "team": "Observability & Diagnostics Service",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 0.1571,
      "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": "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": 0.0705,
      "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
    }
  ],
  "message_categories": [
    {
      "category": "查询纠偏",
      "user_message_count": 2,
      "share": 0.027027,
      "estimated_cost_by_turn": 0.6201,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 266.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 14,
      "share": 0.189189,
      "estimated_cost_by_turn": 4.3409,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 142.93,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 26,
      "share": 0.351351,
      "estimated_cost_by_turn": 8.0617,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 201.92,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 10,
      "share": 0.135135,
      "estimated_cost_by_turn": 3.1006,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 42.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 3,
      "share": 0.040541,
      "estimated_cost_by_turn": 0.9302,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 68.33,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
      "user_message_count": 11,
      "share": 0.148649,
      "estimated_cost_by_turn": 3.4107,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 102.09,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 7,
      "share": 0.094595,
      "estimated_cost_by_turn": 2.1705,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 164.29,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "未归类",
      "user_message_count": 1,
      "share": 0.013514,
      "estimated_cost_by_turn": 0.3101,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 64.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
    {
      "workspace_id": "ws-1787299234821-a57beb689",
      "title": "O11Y-2643704 latency RCA",
      "workspace_lifecycle": "new",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 5.705,
      "message_count": 10,
      "user_message_count": 5
    },
    {
      "workspace_id": "ws-1786675190560-bdeb83252",
      "title": "JPID-10224 PayPay application timeout",
      "workspace_lifecycle": "updated_existing",
      "user_email": "takahiko.miyasaka@pingcap.com",
      "team_path": "Japan Business Group / Technical Service",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 3.9763,
      "message_count": 50,
      "user_message_count": 25
    },
    {
      "workspace_id": "ws-1787302260647-fee018214",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "xieyujie@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "cost": 1.7428,
      "message_count": 5,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1787286760265-167b90c0a",
      "title": "TCOC-5841",
      "workspace_lifecycle": "new",
      "user_email": "lang.zhu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 1.2668,
      "message_count": 10,
      "user_message_count": 6
    },
    {
      "workspace_id": "ws-1787286900196-2e89c07db",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 1.2617,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "ws-1787293375222-040a858da",
      "title": "tidb cloud 集群 10698648422638660035 在 2026-08-17",
      "workspace_lifecycle": "new",
      "user_email": "jianghongmei@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Advanced Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 0.9327,
      "message_count": 8,
      "user_message_count": 4
    },
    {
      "workspace_id": "ws-1787277940839-e0bc56b86",
      "title": "未命名工作空间",
      "workspace_lifecycle": "new",
      "user_email": "wen.hu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 0.9236,
      "message_count": 12,
      "user_message_count": 6
    },
    {
      "workspace_id": "lark-ws-21d9a554-149f-4ecf-b461-ae62c8118364",
      "title": "Lark O11Y-2643440",
      "workspace_lifecycle": "new",
      "user_email": "cong.cao@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
      "scenario_group": "diagnosis",
      "scenario_category": "backup_or_restore",
      "cost": 0.7729,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "ws-1785403681255-dc563ad41",
      "title": "Cluster 10122300695965820476",
      "workspace_lifecycle": "updated_existing",
      "user_email": "jiacong.lee@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "diagnosis",
      "scenario_category": "session_or_process_management",
      "cost": 0.7064,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1787241717932-567ceb4e2",
      "title": "cluster_id = 10209865030331834412",
      "workspace_lifecycle": "new",
      "user_email": "wai.ho@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
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