{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://lc-json.org/1.1-rc.1/content-sequence-item.schema.json",
  "title": "ContentSequenceItem Schema",
  "description": "Grouped content items with responsive layout options (auto/split/vertical). Future: tabs for multiple activities with one content item.",
  "type": "object",
  "allOf": [
    {
      "$ref": "item-base.schema.json"
    },
    {
      "properties": {
        "type": {
          "const": "contentsequence"
        },
        "contentItemId": {
          "type": "string",
          "format": "uuid",
          "description": "GlobalId of the associated ContentItem containing the grouped content"
        },
        "layout": {
          "type": "string",
          "description": "Layout mode for displaying content and related exercises",
          "enum": [
            "Auto",
            "Split",
            "Vertical"
          ],
          "default": "Auto"
        },
        "relatedItemIds": {
          "type": "array",
          "description": "Array of globalIds for related exercise/quiz items displayed alongside the content",
          "items": {
            "type": "string",
            "format": "uuid"
          },
          "default": []
        }
      },
      "required": [
        "contentItemId"
      ]
    }
  ]
}