{
  "id": "map.zones.current.v2",
  "version": "2.0.0",
  "ontologyRevision": "ontology.map.zone.v1",
  "deliveryMode": "snapshot+patch",
  "semanticTypes": ["map.zone"],
  "fields": [
    "area_square_meters",
    "applies_to_couriers",
    "applies_to_kicksharing",
    "dataset_authority",
    "dataset_id",
    "description",
    "display_name",
    "geometry",
    "geometry_kind",
    "max_speed_kph",
    "perimeter_meters",
    "schedule_timezone",
    "source_adapter",
    "source_created_at",
    "source_kind",
    "source_revision",
    "source_updated_at",
    "style_color",
    "weekly_speed_schedule"
  ],
  "fieldContracts": {
    "area_square_meters": { "type": "number", "required": false, "minimum": 0 },
    "applies_to_couriers": { "type": "boolean", "required": false },
    "applies_to_kicksharing": { "type": "boolean", "required": false },
    "dataset_authority": { "type": "string", "required": true, "enum": ["moscow-department-of-transport"] },
    "dataset_id": { "type": "string", "required": true, "enum": ["pmd-slow-zones"] },
    "description": { "type": "string", "required": false },
    "display_name": { "type": "string", "required": true },
    "geometry": { "type": "geometry", "required": true },
    "geometry_kind": { "type": "string", "required": true, "enum": ["circle", "corridor", "polygon"] },
    "max_speed_kph": { "type": "number", "required": false, "minimum": 0 },
    "perimeter_meters": { "type": "number", "required": false, "minimum": 0 },
    "schedule_timezone": { "type": "string", "required": false, "enum": ["Europe/Moscow"] },
    "source_adapter": { "type": "string", "required": true, "enum": ["depttrans-mmap-snapshot-v1", "depttrans-api-snapshot-v1"] },
    "source_created_at": { "type": "string", "required": false },
    "source_kind": { "type": "string", "required": true, "enum": ["versioned_snapshot"] },
    "source_revision": { "type": "string", "required": true },
    "source_updated_at": { "type": "string", "required": false },
    "style_color": { "type": "string", "required": false },
    "weekly_speed_schedule": { "type": "string_array", "required": false }
  },
  "history": { "mode": "none", "retentionDays": 1 }
}