{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Extension",
  "title": "Extension",
  "type": "object",
  "description": "A reusable extension that encapsulates experiment logic",
  "properties": {
    "id": {
      "type": "integer",
      "format": "int64",
      "description": "Unique identifier for the extension"
    },
    "project_id": {
      "type": "integer",
      "format": "int64",
      "description": "The project this extension belongs to"
    },
    "name": {
      "type": "string",
      "description": "Human-readable name of the extension"
    },
    "description": {
      "type": "string",
      "description": "Description of the extension"
    },
    "edit_url": {
      "type": "string",
      "format": "uri",
      "description": "URL used in the visual editor"
    },
    "implementation": {
      "type": "object",
      "description": "The implementation details for the extension",
      "properties": {
        "apply_js": {
          "type": "string",
          "description": "JavaScript code to apply the extension"
        },
        "undo_js": {
          "type": "string",
          "description": "JavaScript code to undo the extension"
        },
        "html": {
          "type": "string",
          "description": "HTML content of the extension"
        },
        "css": {
          "type": "string",
          "description": "CSS styles of the extension"
        }
      }
    }
  }
}