{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/SendMessageRequest",
  "title": "SendMessageRequest",
  "type": "object",
  "required": [
    "message"
  ],
  "properties": {
    "message": {
      "$ref": "#/components/schemas/Message"
    },
    "validate_only": {
      "type": "boolean",
      "description": "Flag for testing without actually sending the message"
    }
  }
}