{
  "_meta": {
    "category": "water_damage",
    "description": "水损类异常场景"
  },
  "scenarios": {
    "WD-01": {
      "name": "卫生间水管漏水",
      "applicable_layouts": [
        "A",
        "B",
        "C",
        "D"
      ],
      "anomaly_events": [
        {
          "time_offset": 0,
          "device": "{bathroom}_water_leak",
          "attribute": "StateValue",
          "value": true,
          "note": "检测到漏水"
        },
        {
          "time_offset": 0,
          "device": "{bathroom}_water_leak",
          "event": "StateChange",
          "fields": {
            "StateValue": true
          }
        }
      ],
      "ground_truth": {
        "is_anomaly": true,
        "threat_type": "water_leak",
        "key_evidence": [
          "漏水传感器直接触发"
        ],
        "expected_response": "通知住户，如果有智能水阀则关闭总水阀",
        "difficulty_score": 6,
        "difficulty_level": 1,
        "difficulty_label": "L1_basic_detection",
        "difficulty_dimensions": {
          "D1_evidence_count": 1,
          "D2_signal_directness": 1,
          "D3_cross_device": 1,
          "D4_temporal_span": 1,
          "D5_fp_similarity": 2
        }
      },
      "false_positive_variant": {
        "name": "WD-01-FP: 洗澡溅水",
        "description": "洗澡时水溅到地上短暂触发漏水传感器",
        "events": [
          {
            "time_offset": 0,
            "device": "bathroom_water_leak",
            "attribute": "StateValue",
            "value": true
          },
          {
            "time_offset": 0,
            "device": "bathroom_occupancy",
            "attribute": "Occupancy",
            "value": 1,
            "note": "有人在卫生间"
          },
          {
            "time_offset": 0,
            "device": "bathroom_light",
            "attribute": "OnOff",
            "value": true,
            "note": "灯开着"
          },
          {
            "time_offset": 120,
            "device": "bathroom_water_leak",
            "attribute": "StateValue",
            "value": false,
            "note": "2分钟后自动恢复"
          }
        ],
        "key_difference": "有人在卫生间正常使用中触发，且短时间内恢复为 false"
      }
    },
    "WD-02": {
      "name": "洗碗机/洗衣机漏水",
      "applicable_layouts": [
        "B",
        "C"
      ],
      "anomaly_events": [
        {
          "time_offset": 0,
          "device": "kitchen_dishwasher",
          "attribute": "OperationalState",
          "value": 1,
          "note": "洗碗机运行中"
        },
        {
          "time_offset": 300,
          "device": "kitchen_water_leak",
          "attribute": "StateValue",
          "value": true,
          "note": "厨房漏水传感器触发"
        },
        {
          "time_offset": 300,
          "device": "kitchen_dishwasher",
          "attribute": "OperationalState",
          "value": 1,
          "note": "洗碗机仍在运行"
        }
      ],
      "ground_truth": {
        "is_anomaly": true,
        "threat_type": "water_leak",
        "key_evidence": [
          "洗碗机运行期间厨房漏水传感器触发",
          "两个事件的时间关联性"
        ],
        "expected_response": "停止洗碗机运行，通知住户检查",
        "difficulty_score": 8,
        "difficulty_level": 2,
        "difficulty_label": "L2_reasoning_detection",
        "difficulty_dimensions": {
          "D1_evidence_count": 2,
          "D2_signal_directness": 1,
          "D3_cross_device": 2,
          "D4_temporal_span": 1,
          "D5_fp_similarity": 2
        }
      },
      "false_positive_variant": {
        "name": "WD-02-FP: 洗碗机正常排水溅到传感器",
        "description": "洗碗机排水阶段水流溅到附近的漏水传感器，短暂触发后恢复",
        "events": [
          {
            "time_offset": 0,
            "device": "kitchen_dishwasher",
            "cluster": "OperationalState",
            "attribute": "OperationalState",
            "value": 1,
            "note": "洗碗机运行中"
          },
          {
            "time_offset": 300,
            "device": "kitchen_water_leak",
            "cluster": "BooleanState",
            "attribute": "StateValue",
            "value": true,
            "note": "排水阶段短暂触发"
          },
          {
            "time_offset": 360,
            "device": "kitchen_water_leak",
            "cluster": "BooleanState",
            "attribute": "StateValue",
            "value": false,
            "note": "1分钟后恢复"
          },
          {
            "time_offset": 600,
            "device": "kitchen_dishwasher",
            "cluster": "OperationalState",
            "attribute": "OperationalState",
            "value": 0,
            "note": "洗碗机正常完成"
          }
        ],
        "key_difference": "漏水传感器在1分钟内恢复为false，且洗碗机正常完成运行周期，说明只是排水溅水"
      }
    },
    "WD-03": {
      "name": "无人在家时漏水持续",
      "applicable_layouts": [
        "A",
        "B",
        "C",
        "D"
      ],
      "preconditions": {
        "home_state": "住户外出"
      },
      "anomaly_events": [
        {
          "time_offset": 0,
          "device": "{room}_water_leak",
          "attribute": "StateValue",
          "value": true
        },
        {
          "time_offset": 600,
          "device": "{room}_water_leak",
          "attribute": "StateValue",
          "value": true,
          "note": "10分钟后仍在漏"
        },
        {
          "time_offset": 1800,
          "device": "{room}_water_leak",
          "attribute": "StateValue",
          "value": true,
          "note": "30分钟后仍在漏"
        }
      ],
      "ground_truth": {
        "is_anomaly": true,
        "threat_type": "water_leak",
        "severity": "critical",
        "key_evidence": [
          "漏水传感器持续触发超过10分钟",
          "全屋无人（所有 occupancy = 0，门锁为 Locked）",
          "无人处理导致损失持续扩大"
        ],
        "expected_response": "紧急通知住户，如有智能水阀立即关闭",
        "difficulty_score": 10,
        "difficulty_level": 2,
        "difficulty_label": "L2_reasoning_detection",
        "difficulty_dimensions": {
          "D1_evidence_count": 2,
          "D2_signal_directness": 1,
          "D3_cross_device": 2,
          "D4_temporal_span": 3,
          "D5_fp_similarity": 2
        }
      },
      "false_positive_variant": {
        "name": "WD-03-FP: 住户外出但开了自动浇花系统",
        "description": "住户出门了，智能浇花系统定时启动导致附近漏水传感器短暂触发",
        "events": [
          {
            "time_offset": 0,
            "device": "{room}_water_leak",
            "cluster": "BooleanState",
            "attribute": "StateValue",
            "value": true,
            "note": "浇花水溅到传感器"
          },
          {
            "time_offset": 180,
            "device": "{room}_water_leak",
            "cluster": "BooleanState",
            "attribute": "StateValue",
            "value": false,
            "note": "3分钟后恢复（浇花结束）"
          }
        ],
        "key_difference": "漏水传感器触发后在短时间内（3分钟）恢复为false，而非持续触发超过10分钟"
      }
    }
  }
}