{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "dashboard-position-descriptor.schema.json",
  "title": "DashboardPositionDescriptor",
  "description": "Grid position for a visualization (4-column grid)",
  "type": "object",
  "properties": {
    "row": {
      "type": "integer",
      "minimum": 0,
      "description": "Row index (0-based)"
    },
    "col": {
      "type": "integer",
      "minimum": 0,
      "maximum": 3,
      "description": "Column index (0-based, max 3)"
    },
    "colSpan": {
      "type": "integer",
      "minimum": 1,
      "maximum": 4,
      "default": 1,
      "description": "Number of columns this visualization spans"
    }
  },
  "required": ["row", "col", "colSpan"],
  "additionalProperties": false
}