huang 7c64e433e8 feat: 改造支付回调 Handler，支持富友回调和多订单类型按前缀分发 ...

- payment.go: WechatPayCallback 改造为按订单号前缀分发（ORD→套餐订单、CRCH→资产充值、ARCH→代理充值）；新增 FuiouPayCallback（GBK→UTF-8+XML解析+验签+分发）；修复 RechargeOrderPrefix 废弃引用
- order.go: 注册 POST /api/callback/fuiou-pay 路由（无需认证）

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

2026-03-16 23:30:17 +08:00

..

payment.go

feat: 改造支付回调 Handler，支持富友回调和多订单类型按前缀分发

2026-03-16 23:30:17 +08:00