GPT-Load v2.0.0-beta.17

2.x is a rewrite and is not compatible with 1.x data, start 2.x from an empty database and a new encryption.key.

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2.x 是全新重写版本，与 1.x 数据不兼容，请以全新数据库和新的 encryption.key 部署 2.x。

What's Changed

• perf: 优化测试性能与 CI/发布流水线耗时 by @tbphp in #465
• perf(release): 镜像复用预编译产物 + GOPROXY 网络容错 by @tbphp in #467
• refactor: 统一错误决策与执行链路 by @tbphp in #466
• fix(gateway): 完善统一错误规则 by @tbphp in #468

Full Changelog: v2.0.0-beta.16...v2.0.0-beta.17