# Vercy AI instruction — YAML 1.2 (JSON-compatible)
{
  "vercy": "1.0-draft",
  "metaModel": {
    "id": "world.u2-premises-and-spatial-unit",
    "name": "Premises & Spatial Unit",
    "version": "0.2.0-legacy",
    "family": "World Models",
    "category": "Reference example",
    "industry": [
      "Cross-industry"
    ],
    "domain": [
      "built-environment"
    ],
    "tags": [
      "premises",
      "spatial",
      "unit"
    ],
    "status": "legacy example"
  },
  "canonicalUrl": "https://ver.cy/models/world-u2-premises-and-spatial-unit/",
  "structure": {
    "bundles": [
      {
        "name": "delineation",
        "description": "How units are bounded in space",
        "layersText": "boundaries`: surveyed or declared unit boundaries in 2D or 3D · `commonParts`: shared spaces and facilities serving several units",
        "findings": []
      },
      {
        "name": "use",
        "description": "What units are for and who is in them",
        "layersText": "useClass`: classification of permitted and actual use · `occupancy`: who occupies which unit over which period",
        "findings": []
      },
      {
        "name": "aggregation",
        "description": "How units combine into larger wholes",
        "layersText": "grouping`: whole-floor lets, portfolio lots and other unit groups · `scheme`: condominium and co-ownership scheme membership",
        "findings": []
      }
    ]
  },
  "serviceLayers": {
    "artifactFormats": [],
    "policies": [],
    "crud": {},
    "roles": []
  },
  "legacySource": "/models/docs/built-environment/U2-premises-and-spatial-unit.md",
  "migrationNotes": [
    "Findings, questions, artifacts, CRUD rules and access roles are not explicit in this legacy version."
  ]
}