{
  "date": "2026-08-01",
  "timezone": "Asia/Shanghai",
  "window_start": "2026-08-01T00:00:00+08:00",
  "window_end": "2026-08-02T00:00:00+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": 18.1577,
    "total_acp_interactions": 31,
    "active_users": 7,
    "workspace_count": 14,
    "created_workspace_count": 12,
    "new_workspace_count": 12,
    "updated_existing_workspace_count": 3,
    "changed_workspace_count": 15,
    "message_count": 71,
    "user_message_count": 30,
    "assistant_message_count": 39,
    "unknown_user_count": 0,
    "unknown_cost": 0.0
  },
  "teams": [
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "team": "Intelligent Support Enablement",
      "cost": 5.5669,
      "acp_interactions": 2,
      "workspace_count": 3,
      "active_users": 1,
      "message_count": 12,
      "user_message_count": 7,
      "cost_per_ws": 1.8556,
      "cost_per_acp": 2.7835,
      "acp_per_ws": 0.6667,
      "message_per_ws": 4.0,
      "message_per_acp": 6.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "cost": 5.3106,
      "acp_interactions": 13,
      "workspace_count": 2,
      "active_users": 2,
      "message_count": 5,
      "user_message_count": 2,
      "cost_per_ws": 2.6553,
      "cost_per_acp": 0.4085,
      "acp_per_ws": 6.5,
      "message_per_ws": 2.5,
      "message_per_acp": 0.3846,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "cost": 2.5234,
      "acp_interactions": 9,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 20,
      "user_message_count": 9,
      "cost_per_ws": 2.5234,
      "cost_per_acp": 0.2804,
      "acp_per_ws": 9.0,
      "message_per_ws": 20.0,
      "message_per_acp": 2.2222,
      "correction_message_ratio": null
    },
    {
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "team": "Efficiency & Quality",
      "cost": 2.1869,
      "acp_interactions": 6,
      "workspace_count": 6,
      "active_users": 1,
      "message_count": 27,
      "user_message_count": 9,
      "cost_per_ws": 0.3645,
      "cost_per_acp": 0.3645,
      "acp_per_ws": 1.0,
      "message_per_ws": 4.5,
      "message_per_acp": 4.5,
      "correction_message_ratio": null
    },
    {
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "cost": 1.85,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 4,
      "user_message_count": 2,
      "cost_per_ws": 1.85,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 4.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    },
    {
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "cost": 0.6738,
      "acp_interactions": 1,
      "workspace_count": 1,
      "active_users": 1,
      "message_count": 3,
      "user_message_count": 1,
      "cost_per_ws": 0.6738,
      "cost_per_acp": 0.6738,
      "acp_per_ws": 1.0,
      "message_per_ws": 3.0,
      "message_per_acp": 3.0,
      "correction_message_ratio": null
    },
    {
      "team_path": "(unknown)",
      "team": "(unknown)",
      "cost": 0.0,
      "acp_interactions": 0,
      "workspace_count": 1,
      "active_users": 0,
      "message_count": 0,
      "user_message_count": 0,
      "cost_per_ws": 0.0,
      "cost_per_acp": null,
      "acp_per_ws": 0.0,
      "message_per_ws": 0.0,
      "message_per_acp": null,
      "correction_message_ratio": null
    }
  ],
  "users": [
    {
      "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",
      "cost": 5.5669,
      "acp_interactions": 2,
      "workspace_count": 3,
      "message_count": 12,
      "user_message_count": 7,
      "channel_breakdown": {
        "cli": 1
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 0.6667
    },
    {
      "user_email": "looperth.wong@pingcap.com",
      "name": "Wong Loo Perth",
      "en_name": "",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 4.1589,
      "acp_interactions": 13,
      "workspace_count": 1,
      "message_count": 0,
      "user_message_count": 0,
      "channel_breakdown": {
        "lark": 2
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 13.0
    },
    {
      "user_email": "zhangpeijin@pingcap.com",
      "name": "张培进",
      "en_name": "",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "team": "Global Control",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 2.5234,
      "acp_interactions": 9,
      "workspace_count": 1,
      "message_count": 20,
      "user_message_count": 9,
      "channel_breakdown": {
        "lark": 1,
        "web": 8
      },
      "frequency_bucket": "低频",
      "depth_bucket": "高轮次",
      "behavior_mode": "低频高轮次",
      "avg_acp_per_ws": 9.0
    },
    {
      "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": 2.1869,
      "acp_interactions": 6,
      "workspace_count": 6,
      "message_count": 27,
      "user_message_count": 9,
      "channel_breakdown": {
        "lark": 6
      },
      "frequency_bucket": "高频",
      "depth_bucket": "低轮次",
      "behavior_mode": "高频低轮次",
      "avg_acp_per_ws": 1.0
    },
    {
      "user_email": "qi.qi@pingcap.com",
      "name": "祁琦",
      "en_name": "Qiqi",
      "team_path": "Product / TiDB X Core Product",
      "team": "TiDB X Core Product",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 1.85,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 4,
      "user_message_count": 2,
      "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": "d.niu@pingcap.com",
      "name": "Yan Qing Niu",
      "en_name": "Daniel Niu",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "team": "Intelligent Support",
      "mapping_source": "pingcap_members_by_team.csv",
      "cost": 1.1517,
      "acp_interactions": 0,
      "workspace_count": 1,
      "message_count": 5,
      "user_message_count": 2,
      "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": "darui.guo@pingcap.com",
      "name": "郭大瑞",
      "en_name": "Damon Guo",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "team": "Professional Services",
      "mapping_source": "investibook-usage-team-overrides.csv",
      "cost": 0.6738,
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      "channel_breakdown": {},
      "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": 1,
      "share": 0.033333,
      "estimated_cost_by_turn": 0.6053,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 92.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "产出物迭代",
      "user_message_count": 4,
      "share": 0.133333,
      "estimated_cost_by_turn": 2.421,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 245.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "Ad hoc 查询",
      "user_message_count": 12,
      "share": 0.4,
      "estimated_cost_by_turn": 7.2631,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 1980.33,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "诊断启动",
      "user_message_count": 4,
      "share": 0.133333,
      "estimated_cost_by_turn": 2.421,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 1619.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "解释追问",
      "user_message_count": 2,
      "share": 0.066667,
      "estimated_cost_by_turn": 1.2105,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 92.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "流程控制/确认",
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      "share": 0.133333,
      "estimated_cost_by_turn": 2.421,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 90.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "背景补充",
      "user_message_count": 1,
      "share": 0.033333,
      "estimated_cost_by_turn": 0.6053,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 13729.0,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    },
    {
      "category": "未归类",
      "user_message_count": 2,
      "share": 0.066667,
      "estimated_cost_by_turn": 1.2105,
      "estimated_cost_by_output_weight": null,
      "avg_user_chars": 47.5,
      "avg_next_assistant_chars": null,
      "classification_method": "rule_based_keywords_v2"
    }
  ],
  "unmatched_users": [],
  "top_changed_workspaces": [
    {
      "workspace_id": "lark-ws-06c3ee12-fee5-4fe4-907b-18b91876de5c",
      "title": "",
      "workspace_lifecycle": "updated_existing",
      "user_email": "looperth.wong@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "unknown",
      "scenario_category": null,
      "cost": 4.1589,
      "message_count": 0,
      "user_message_count": 0
    },
    {
      "workspace_id": "ws-1785525018390-40758ee91",
      "title": "O11Y-2628168 investigation",
      "workspace_lifecycle": "new",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "cdc_or_replication_lag",
      "cost": 3.4015,
      "message_count": 4,
      "user_message_count": 3
    },
    {
      "workspace_id": "lark-ws-bfa09d1d-1344-45f1-a2ea-039fb48c4219",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "zhangpeijin@pingcap.com",
      "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 2.5234,
      "message_count": 20,
      "user_message_count": 9
    },
    {
      "workspace_id": "ws-1781134148752-f131d7c90",
      "title": "未命名工作空间",
      "workspace_lifecycle": "updated_existing",
      "user_email": "qi.qi@pingcap.com",
      "team_path": "Product / TiDB X Core Product",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 1.85,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1785516275205-505e82daf",
      "title": "O11Y-2628105 investigation",
      "workspace_lifecycle": "new",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 1.3038,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "ws-1785589805446-f5d2ca1d1",
      "title": "TCID-12991",
      "workspace_lifecycle": "new",
      "user_email": "d.niu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
      "scenario_group": "non_diagnosis",
      "scenario_category": "fleet_inventory_or_capacity_analysis",
      "cost": 1.1517,
      "message_count": 5,
      "user_message_count": 2
    },
    {
      "workspace_id": "lark-ws-6cbbf831-85b6-4403-b1c8-d3f6f1ae776f",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "tikv_hotspot_or_coprocessor",
      "cost": 0.9768,
      "message_count": 9,
      "user_message_count": 3
    },
    {
      "workspace_id": "ws-1785515436864-01342807f",
      "title": "O11Y-2628096 O11Y-2628099 investigation",
      "workspace_lifecycle": "new",
      "user_email": "sihao.yu@pingcap.com",
      "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 0.8616,
      "message_count": 4,
      "user_message_count": 2
    },
    {
      "workspace_id": "lark-ws-cea53655-d811-4909-9d0c-57132234931a",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "darui.guo@pingcap.com",
      "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
      "scenario_group": "diagnosis",
      "scenario_category": "memory_or_oom_pressure",
      "cost": 0.6738,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-a0a10b70-c96a-4e33-906e-33bb7a69eedc",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "pd_tso_or_scheduling",
      "cost": 0.6098,
      "message_count": 6,
      "user_message_count": 2
    },
    {
      "workspace_id": "lark-ws-a3e1330e-20b3-47d6-9eec-56ede721791b",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "unknown",
      "scenario_category": null,
      "cost": 0.2698,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-c0a91e75-9138-4903-a395-5a562889dc56",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "transaction_or_lock_contention",
      "cost": 0.1712,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-f9a0faf4-5db5-487d-8ee5-b290cf744cdb",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "storage_or_io_bottleneck",
      "cost": 0.096,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-745d68b5-2266-43d6-b145-5122824ebc40",
      "title": "Lark chat",
      "workspace_lifecycle": "new",
      "user_email": "shaoxiqian@pingcap.com",
      "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
      "scenario_group": "diagnosis",
      "scenario_category": "sql_plan_or_query",
      "cost": 0.0634,
      "message_count": 3,
      "user_message_count": 1
    },
    {
      "workspace_id": "lark-ws-06c3ee12-fee5-4fe4-907b-18b91876de5c",
      "title": "",
      "workspace_lifecycle": "updated_existing",
      "user_email": "",
      "team_path": "",
      "scenario_group": "unknown",
      "scenario_category": null,
      "cost": 0.0461,
      "message_count": 0,
      "user_message_count": 0
    }
  ],
  "charts": {
    "daily_cost_acp": [
      {
        "date": "2026-08-01",
        "cost": 18.1577,
        "acp_interactions": 31,
        "workspace_count": 14,
        "active_users": 7
      }
    ],
    "team_cost_bar": [
      {
        "team": "Intelligent Support Enablement",
        "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
        "cost": 5.5669,
        "acp_interactions": 2,
        "workspace_count": 3,
        "active_users": 1
      },
      {
        "team": "Intelligent Support",
        "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
        "cost": 5.3106,
        "acp_interactions": 13,
        "workspace_count": 2,
        "active_users": 2
      },
      {
        "team": "Global Control",
        "team_path": "Engineering Group / Service Orchestration Engineering / Global Control",
        "cost": 2.5234,
        "acp_interactions": 9,
        "workspace_count": 1,
        "active_users": 1
      },
      {
        "team": "Efficiency & Quality",
        "team_path": "Engineering Group / Database Service Engineering / Efficiency & Quality",
        "cost": 2.1869,
        "acp_interactions": 6,
        "workspace_count": 6,
        "active_users": 1
      },
      {
        "team": "TiDB X Core Product",
        "team_path": "Product / TiDB X Core Product",
        "cost": 1.85,
        "acp_interactions": 0,
        "workspace_count": 1,
        "active_users": 1
      },
      {
        "team": "Professional Services",
        "team_path": "APAC Business Group / Customer Success & Alliances / Professional Services",
        "cost": 0.6738,
        "acp_interactions": 1,
        "workspace_count": 1,
        "active_users": 1
      },
      {
        "team": "(unknown)",
        "team_path": "(unknown)",
        "cost": 0.0,
        "acp_interactions": 0,
        "workspace_count": 1,
        "active_users": 0
      }
    ],
    "team_ratio_scatter": [
      {
        "team": "Intelligent Support Enablement",
        "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support Enablement",
        "x": 0.6667,
        "y": 2.7835,
        "size": 3,
        "cost": 5.5669
      },
      {
        "team": "Intelligent Support",
        "team_path": "Engineering Group / Global Support Intelligence / Intelligent Support",
        "x": 6.5,
        "y": 0.4085,
        "size": 2,
        "cost": 5.3106
      },
      {
        "team": "Global Control",
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