# Vercy AI instruction — YAML 1.2 (JSON-compatible)
{
  "vercy": "1.0-draft",
  "metaModel": {
    "id": "world.x1-occurrence-event",
    "name": "Occurrence / Event",
    "version": "0.2.0-legacy",
    "family": "World Models",
    "category": "Reference example",
    "industry": [
      "Cross-industry"
    ],
    "domain": [
      "events-phenomena"
    ],
    "tags": [
      "occurrence",
      "event"
    ],
    "status": "legacy example"
  },
  "canonicalUrl": "https://ver.cy/models/world-x1-occurrence-event/",
  "structure": {
    "bundles": [
      {
        "name": "happening",
        "description": "The occurrence itself in time and space",
        "layersText": "occurrenceCore`: kind, summary, certainty and recording basis · `temporality`: instants, intervals and fuzzy periods · `spatiality`: where it happened, at any granularity",
        "findings": []
      },
      {
        "name": "involvement",
        "description": "Who or what took part",
        "layersText": "participants`: parties and objects involved · `roles`: the capacity in which each participant acted",
        "findings": []
      },
      {
        "name": "explanation",
        "description": "How happenings connect and compose",
        "layersText": "causality`: asserted cause and contribution links · `aggregation`: episodes grouping related occurrences",
        "findings": []
      }
    ]
  },
  "serviceLayers": {
    "artifactFormats": [],
    "policies": [],
    "crud": {},
    "roles": []
  },
  "legacySource": "/models/docs/events-phenomena/X1-occurrence-event.md",
  "migrationNotes": [
    "Findings, questions, artifacts, CRUD rules and access roles are not explicit in this legacy version."
  ]
}