{
  "bsonType": "object",
  "required": ["user_id", "comment_id", "create_time"],
  "permission": {
    "read": true,
    "create": "auth.uid != null",
    "update": "doc.user_id == auth.uid",
    "delete": "doc.user_id == auth.uid"
  },
  "properties": {
    "_id": {
      "description": "文档ID，系统自动生成",
      "bsonType": "string"
    },
    "user_id": {
      "bsonType": "string",
      "title": "用户ID",
      "description": "关联用户表中的ID",
      "foreignKey": "uni-id-users._id",
      "forceDefaultValue": {
        "$env": "uid"
      }
    },
    "comment_id": {
      "bsonType": "string",
      "title": "评论ID",
      "description": "评论唯一标识符"
    },
    "create_time": {
      "bsonType": "timestamp",
      "title": "创建时间",
      "description": "评论创建时间",
      "defaultValue": {
        "$env": "now"
      }
    }
  },
  "version": "1.0.0"
}