{
  "metadata": {
    "product_id": "string (slug)",
    "brand": "string",
    "model_name": "string",
    "category": "cleaning | service | security | industrial",
    "manufacturer_url": "string"
  },
  "core_specs": {
    "battery_runtime_min": "integer (standardized to minutes)",
    "charge_time_min": "integer (standardized to minutes)",
    "weight_kg": "float",
    "dimensions_cm": { "l": "float", "w": "float", "h": "float" },
    "max_slope_deg": "float",
    "ip_rating": "string",
    "climb_height_cm": "float",
    "navigation_type": "string (e.g. SLAM, LiDAR, VSLAM)",
    "connectivity": ["string"]
  },
  "layers": {
    "cleaning": {
      "fresh_water_l": "float",
      "dirty_water_l": "float",
      "area_performance_sqm_h": "float",
      "mop_pressure_kg": "float"
    },
    "service": {
      "max_payload_kg": "float",
      "number_of_trays": "integer",
      "display_size_inch": "float",
      "ads_capable": "boolean"
    },
    "security": {
      "camera_types": ["string"],
      "night_vision": "boolean",
      "gas_detection": ["string"],
      "at_interface": "boolean"
    }
  },
  "extended_features": [
    { "feature": "string", "value": "string", "unit": "string" }
  ]
}