{
  "name": "TaskComment",
  "type": "object",
  "properties": {
    "task_id": {
      "type": "string",
      "description": "ID of the task this comment belongs to"
    },
    "author_id": {
      "type": "string",
      "description": "ID of the comment author"
    },
    "author_name": {
      "type": "string",
      "description": "Name of the comment author"
    },
    "author_avatar": {
      "type": "string",
      "description": "Avatar URL of the author"
    },
    "comment": {
      "type": "string",
      "description": "Comment text"
    },
    "is_system": {
      "type": "boolean",
      "default": false,
      "description": "Is this a system message (e.g., status change)"
    }
  },
  "required": [
    "task_id",
    "author_name",
    "comment"
  ]
}