{
  "entity": "ComponentNode",
  "version": "1.0",
  "description": "Component tree structure for pages",
  "fields": {
    "id": {
      "type": "uuid",
      "primary": true,
      "generated": true
    },
    "pageId": {
      "type": "uuid",
      "required": true,
      "foreign_key": {
        "entity": "PageConfig",
        "field": "id",
        "on_delete": "cascade"
      }
    },
    "parentId": {
      "type": "uuid",
      "optional": true,
      "nullable": true,
      "foreign_key": {
        "entity": "ComponentNode",
        "field": "id",
        "on_delete": "cascade"
      },
      "description": "Parent component (null for root)"
    },
    "type": {
      "type": "string",
      "required": true,
      "max_length": 100,
      "description": "Component type identifier"
    },
    "childIds": {
      "type": "string",
      "required": true,
      "description": "Child component IDs"
    },
    "order": {
      "type": "integer",
      "required": true,
      "default": 0,
      "description": "Display order among siblings"
    }
  },
  "indexes": [
    {
      "fields": [
        "pageId"
      ]
    },
    {
      "fields": [
        "parentId"
      ]
    },
    {
      "fields": [
        "pageId",
        "order"
      ]
    }
  ],
  "relations": {
    "page": {
      "type": "belongs-to",
      "entity": "PageConfig",
      "foreign_key": "pageId",
      "on_delete": "cascade",
      "description": "Component belongs to a page configuration"
    },
    "parent": {
      "type": "belongs-to",
      "entity": "ComponentNode",
      "foreign_key": "parentId",
      "nullable": true,
      "on_delete": "cascade",
      "description": "Parent component in the tree (null for root components)"
    },
    "children": {
      "type": "has-many",
      "entity": "ComponentNode",
      "foreign_key": "parentId",
      "cascade_delete": true,
      "description": "Child components in the tree structure"
    }
  },
  "acl": {
    "create": {
      "role": [
        "god",
        "supergod"
      ]
    },
    "read": {
      "role": [
        "admin",
        "god",
        "supergod"
      ]
    },
    "update": {
      "role": [
        "god",
        "supergod"
      ]
    },
    "delete": {
      "role": [
        "god",
        "supergod"
      ]
    }
  }
}