ReadonlybuildingReadonlyhasWhether the building holds at least one air-to-air unit — the flag gating per-building overheat protection without a positional scan of the flat list.
ReadonlyhasWhether the building holds at least one air-to-water unit — with hasAta, what a consumer needs to qualify a mixed building's bulk-write scope.
ReadonlyidReadonlylevelReadonlymodelReadonlyname
Building node of the flattened Home zone list — the Home counterpart of the Classic registry's flat zone vocabulary, using the picker model tags the consumer app established (
homeBuildings/homeDevices).