{
  "schema": "semantic-engineering-object-v1",
  "object_id": "c06-kettle-region",
  "geometry_scope": "Functional section, no scale or assigned operating level",
  "entities": [
    {
      "id": "boiling",
      "type": "liquid_region",
      "role": "Heat input and vapor generation upstream of weir"
    },
    {
      "id": "weir",
      "type": "internal_boundary",
      "role": "Spillover separates boiling and collection regions"
    },
    {
      "id": "collecting",
      "type": "liquid_region",
      "role": "Downstream inventory for selected withdrawal control"
    },
    {
      "id": "selected_tap",
      "type": "sensing_connection",
      "region": "collecting"
    },
    {
      "id": "wrong_candidate",
      "type": "sensing_connection",
      "region": "boiling",
      "status": "Does not observe the selected collecting inventory"
    },
    {
      "id": "withdrawal",
      "type": "flow_connection",
      "region": "collecting"
    }
  ],
  "relations": [
    {
      "from": "boiling",
      "to": "collecting",
      "via": "weir",
      "type": "spillover"
    },
    {
      "from": "selected_tap",
      "to": "collecting",
      "type": "pressure_communication"
    },
    {
      "from": "wrong_candidate",
      "to": "boiling",
      "type": "pressure_communication"
    }
  ],
  "limits": [
    "Actual elevations/ranges/density/pressure paths require selected design",
    "No universal weir or half-height criterion"
  ]
}