MIT License

Copyright (c) 2026 detector contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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第三方数据许可（必须保留，违反即失去数据使用权）
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本产品包含由 DB-IP (https://db-ip.com) 创建的 IP 地理位置数据，
依据 Creative Commons Attribution 4.0 International License (CC BY 4.0) 分发：
https://creativecommons.org/licenses/by/4.0/

This product includes IP geolocation data created by DB-IP, available from
https://db-ip.com/, licensed under CC BY 4.0.

内置数据库：
  * DBIP-City-Lite     -> 国家 / 城市 / 经纬度 / 一级行政区
  * DBIP-ASN-Lite      -> ASN 编号 / 运营商组织
  * DBIP-Country-Lite  -> 国家 / 大洲

再分发要求：保留本 NOTICE、在任何展示或输出数据的产品中标注 DB-IP。
本 SDK 在每一条标准化 JSON 输出的 meta.attribution 字段中自动完成标注。
