{
  "lexicon": 1,
  "id": "ai.syui.at.link",
  "defs": {
    "main": {
      "type": "record",
      "description": "Record containing links to external service profiles.",
      "key": "literal:self",
      "record": {
        "type": "object",
        "required": ["links", "createdAt"],
        "properties": {
          "links": {
            "type": "array",
            "items": { "type": "ref", "ref": "#linkItem" },
            "description": "Array of external service links."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "Client-declared timestamp when this record was created."
          },
          "updatedAt": {
            "type": "string",
            "format": "datetime",
            "description": "Client-declared timestamp when this record was last updated."
          }
        }
      }
    },
    "linkItem": {
      "type": "object",
      "required": ["service", "username"],
      "properties": {
        "service": {
          "type": "string",
          "knownValues": ["github", "youtube", "x"],
          "description": "Service identifier."
        },
        "username": {
          "type": "string",
          "maxLength": 300,
          "description": "Username or ID on the service."
        }
      }
    }
  }
}