{
  "date": "2026-08-10",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-10T00:00:00+08:00",
  "window_end": "2026-08-11T00:00:00+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": 44.2785,
    "total_acp_interactions": 86,
    "active_users": 15,
    "workspace_count": 23,
    "created_workspace_count": 20,
    "new_workspace_count": 22,
    "updated_existing_workspace_count": 4,
    "changed_workspace_count": 26,
    "message_count": 194,
    "user_message_count": 83,
    "assistant_message_count": 109,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
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      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "team": "KV Service",
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      "acp_interactions": 8,
      "workspace_count": 4,
      "active_users": 2,
      "message_count": 16,
      "user_message_count": 8,
      "cost_per_ws": 3.1593,
      "cost_per_acp": 1.5797,
      "acp_per_ws": 2.0,
      "message_per_ws": 4.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "cost": 12.5336,
      "acp_interactions": 4,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 22,
      "user_message_count": 10,
      "cost_per_ws": 12.5336,
      "cost_per_acp": 3.1334,
      "acp_per_ws": 4.0,
      "message_per_ws": 22.0,
      "message_per_acp": 5.5,
      "correction_message_ratio": null
    },
    {
      "team_path": "Japan Business Group / Technical Service",
      "team": "Technical Service",
      "cost": 8.0106,
      "acp_interactions": 35,
      "workspace_count": 3,
      "active_users": 2,
      "message_count": 128,
      "user_message_count": 63,
      "cost_per_ws": 2.6702,
      "cost_per_acp": 0.2289,
      "acp_per_ws": 11.6667,
      "message_per_ws": 42.6667,
      "message_per_acp": 3.6571,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / TiDB Scalability Service",
      "team": "TiDB Scalability Service",
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      "workspace_count": 1,
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      "user_message_count": 3,
      "cost_per_ws": 4.0193,
      "cost_per_acp": 1.3398,
      "acp_per_ws": 3.0,
      "message_per_ws": 6.0,
      "message_per_acp": 2.0,
      "correction_message_ratio": null
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      "team_path": "APAC Business Group / Customer Success & Alliances / Technical Account Management",
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      "workspace_count": 1,
      "active_users": 1,
      "message_count": 15,
      "user_message_count": 5,
      "cost_per_ws": 2.7526,
      "cost_per_acp": 0.5505,
      "acp_per_ws": 5.0,
      "message_per_ws": 15.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
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      "workspace_count": 7,
      "active_users": 4,
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      "cost_per_ws": 0.2878,
      "cost_per_acp": 0.1185,
      "acp_per_ws": 2.4286,
      "message_per_ws": 5.8571,
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      "correction_message_ratio": null
    },
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      "team": "Efficiency & Quality",
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      "active_users": 1,
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      "user_message_count": 10,
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      "cost_per_acp": 0.1232,
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      "correction_message_ratio": null
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      "user_message_count": 0,
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      "cost_per_acp": 0.5537,
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      "message_per_ws": 0.0,
      "message_per_acp": 0.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Database Service Engineering / Observability & Diagnostics Service",
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      "workspace_count": 1,
      "active_users": 1,
      "message_count": 2,
      "user_message_count": 1,
      "cost_per_ws": 0.4017,
      "cost_per_acp": 0.4017,
      "acp_per_ws": 1.0,
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      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
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      "team_path": "Engineering Group / Service Orchestration Engineering / Data Integration",
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      "user_message_count": 1,
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      "cost_per_acp": 0.0,
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      "message_per_acp": 2.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
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      "acp_interactions": 0,
      "workspace_count": 0,
      "active_users": 1,
      "message_count": 0,
      "user_message_count": 0,
      "cost_per_ws": null,
      "cost_per_acp": null,
      "acp_per_ws": null,
      "message_per_ws": null,
      "message_per_acp": null,
      "correction_message_ratio": null
    }
  ],
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      "team": "Intelligent Support Enablement",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "workspace_count": 1,
      "message_count": 11,
      "user_message_count": 5,
      "channel_breakdown": {
        "lark": 1,
        "web": 3
      },
      "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",
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      "team": "KV Service",
      "mapping_source": "investibook-usage-team-overrides.csv",
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      "acp_interactions": 1,
      "workspace_count": 1,
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      "user_message_count": 1,
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        "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": "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",
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      "acp_interactions": 31,
      "workspace_count": 2,
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      "user_message_count": 31,
      "channel_breakdown": {
        "web": 31
      },
      "frequency_bucket": "高频",
      "depth_bucket": "高轮次",
      "behavior_mode": "高频高轮次",
      "avg_acp_per_ws": 15.5
    },
    {
      "user_email": "yuhao.zhang@pingcap.com",
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      "team": "TiDB Scalability Service",
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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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      "user_message_count": 5,
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      },
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    {
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      "team": "KV Service",
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      },
      "frequency_bucket": "高频",
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      "behavior_mode": "高频低轮次",
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    },
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      },
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      "depth_bucket": "高轮次",
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    },
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      "name": "邵希茜",
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      "team": "Efficiency & Quality",
      "mapping_source": "investibook-usage-team-overrides.csv",
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    {
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      "mapping_source": "investibook-usage-team-overrides.csv",
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    {
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      "depth_bucket": "低轮次",
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    },
    {
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      "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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      "user_message_count": 1,
      "channel_breakdown": {
        "web": 1
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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": "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",
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      "channel_breakdown": {
        "web": 5
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      "frequency_bucket": "高频",
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      "behavior_mode": "高频低轮次",
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    },
    {
      "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",
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      "acp_interactions": 2,
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      "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": "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": {
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      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
    },
    {
      "user_email": "xuyifan02@pingcap.com",
      "name": "徐一帆",
      "en_name": "Yifan Xu",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.0,
      "acp_interactions": 0,
      "workspace_count": 0,
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      "user_message_count": 0,
      "channel_breakdown": {
        "lark": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "低轮次",
      "behavior_mode": "低频低轮次",
      "avg_acp_per_ws": 0.0
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      "category": "诊断纠偏",
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      "share": 0.012048,
      "estimated_cost_by_turn": 0.5335,
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      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
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      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
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      "classification_method": "rule_based_keywords_v2"
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      "classification_method": "rule_based_keywords_v2"
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      "classification_method": "rule_based_keywords_v2"
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    {
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      "category": "背景补充",
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      "workspace_lifecycle": "new",
      "user_email": "wangkang@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "resource_control_or_capacity",
      "cost": 11.8635,
      "message_count": 11,
      "user_message_count": 5
    },
    {
      "workspace_id": "ws-1785749352458-23f89cc79",
      "title": "Read and understand this critical TiKV bug report",
      "workspace_lifecycle": "updated_existing",
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      "team_path": "Engineering Group / Storage Service Engineering / KV Service",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 9.9362,
      "message_count": 2,
      "user_message_count": 1
    },
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