# Vercy AI instruction — YAML 1.2 (JSON-compatible)
{
  "vercy": "1.0-draft",
  "metaModel": {
    "id": "world.u4-settlement-and-urban-form",
    "name": "Settlement & Urban Form",
    "version": "0.2.0-legacy",
    "family": "World Models",
    "category": "Reference example",
    "industry": [
      "Cross-industry"
    ],
    "domain": [
      "built-environment"
    ],
    "tags": [
      "settlement",
      "urban",
      "form"
    ],
    "status": "legacy example"
  },
  "canonicalUrl": "https://ver.cy/models/world-u4-settlement-and-urban-form/",
  "structure": {
    "bundles": [
      {
        "name": "anatomy",
        "description": "The spatial decomposition of a settlement",
        "layersText": "settlementExtent`: the observed built-up footprint · `districts`: administrative and analytic subdivisions · `blocks`: the smallest street-bounded urban units",
        "findings": []
      },
      {
        "name": "morphology",
        "description": "The measurable character of built form",
        "layersText": "density`: population, coverage and floor area ratios · `builtFormMetrics`: grain, height mix, street pattern indicators",
        "findings": []
      },
      {
        "name": "dynamics",
        "description": "How settlements change and are classified",
        "layersText": "growth`: successive extents and expansion records · `classification`: assignment to settlement classification schemes",
        "findings": []
      }
    ]
  },
  "serviceLayers": {
    "artifactFormats": [],
    "policies": [],
    "crud": {},
    "roles": []
  },
  "legacySource": "/models/docs/built-environment/U4-settlement-and-urban-form.md",
  "migrationNotes": [
    "Findings, questions, artifacts, CRUD rules and access roles are not explicit in this legacy version."
  ]
}