{
  "kind": "building",
  "id": "03-economic",
  "role": "economic",
  "name": "The House of Borrowed Depth",
  "function": "A burial-rights exchange sells access to scarce strata and advances interment credit against descendants’ future building rights.",
  "shape_and_silhouette": "A broad, almost windowless limestone upper hall spans between two narrow end pylons over a sunken-shadowed but level public arcade, with separate stairways rising along its outer flanks.",
  "visual_description": "Immaculate pale ashlar encloses the elevated trading hall while iron teller grilles, compressed waiting bays and ceramic-vaulted galleries pack the darker base beneath its severe overhanging mass.",
  "production_notes": "This prestigious later commercial commission uses expensive iron transfer beams to keep the ground-level public burial route open and is presented as a complete freestanding building.",
  "departure": "Its wealth is expressed as a smooth, nearly blank elevated volume supported above crowded petitioners, with unequal entrance routes making the terms of access visible.",
  "shared_traits": [
    "Iron beams bridge protected ground",
    "Prestige expressed through thin-jointed dressed stone",
    "Tile-vaulted galleries and iron screens"
  ],
  "constraints": [
    "Upper hall cladding rests on visible iron transfer structure rather than unsupported stone",
    "Central ground passage stays open front to back",
    "No corporate logos or generic gothic ornament"
  ],
  "idle_animation": "A single small iron service shutter slides open and closed slowly at one ground-floor counter.",
  "day_night": "A continuous narrow amber clerestory lights the upper hall while isolated colder lamps expose the ground-level waiting bays.",
  "version": 1,
  "image": "buildings/03-economic/renders/sheet-v001.webp",
  "approved": false,
  "city_snapshot": "city-v001.md",
  "motif_snapshot": "motifs/brief-v001.md"
}