{
  "kind": "building",
  "id": "shared-sky",
  "role": "monumental",
  "name": "House of the Shared Sky",
  "footprint": "2.7×1.8 tiles",
  "function": "The commune’s assembly and remembrance hall hosts collective decisions beneath a monument to the founding expedition.",
  "shape_and_silhouette": "A broad low faceted fan-shaped hall rises toward a solid rear wall, paired with a detached split pylon and a thin wedge canopy above the front airlocks.",
  "visual_description": "Pale ceramic faces, oxblood enamel edges and iron-red harvest reliefs concentrate careful workmanship at the public threshold, against a massive buttressed rear.",
  "production_notes": "The commune’s civic tradition uses a steel-framed insulated pressure enclosure within a monumental local-concrete protective structure clad selectively in ceramic tile.",
  "departure": "A fan-shaped civic mass and separate forked memorial pylon create a ceremonial silhouette without borrowing industrial tanks or residential window ribbons.",
  "shared_traits": [
    "Wedge canopy with red enamel fascia",
    "Harvest-and-orbit ceramic relief",
    "Prestige glazing reserved for shared space"
  ],
  "constraints": [
    "No giant glass dome",
    "No unsupported floating pieces",
    "All sides designed",
    "Flat ground"
  ],
  "idle_animation": "none",
  "day_night": "Low grazing lights reveal the relief and pylon, while a recessed clerestory emits warm light after dusk."
}