feat: 移除mock支付、卡不可复用、新增设备端取消订单接口

1. 移除所有mock支付逻辑，订单强制走微信支付
2. 卡状态流转改为单向：UNUSED->RESERVED->USED（终态不可复用）
3. 解绑接口改为仅清除device_id，卡状态保持USED
4. 新增设备端取消订单接口 POST /api/jst/daycard/cancel/{orderNo}
5. 修复微信回调验签header大小写问题
6. 临时注释分账标记（商户号未开通分账权限）
7. 删除多余的App UI辅助接口（ApiJstUiController）
8. 清理application.yml中无用UI配置

src/main/resources/application.yml

@@ -70,14 +70,6 @@ renren:
     card-valid-hours: ${DAYCARD_VALID_HOURS:24}
     # 超时取消任务每次处理数量
     cancel-batch-size: ${DAYCARD_CANCEL_BATCH:200}
-    # App UI 资源配置（顶栏按钮图标、登录背景图）
-    ui:
-      logo-url: ${UI_LOGO_URL:https://daycard.oss-cn-hangzhou.aliyuncs.com/logo.png}
-      login-bg-url: ${UI_LOGIN_BG_URL:https://daycard.oss-cn-hangzhou.aliyuncs.com/login_bg.png}
-      search-normal-url: ${UI_SEARCH_NORMAL:https://daycard.oss-cn-hangzhou.aliyuncs.com/search_normal.png}
-      search-focus-url: ${UI_SEARCH_FOCUS:https://daycard.oss-cn-hangzhou.aliyuncs.com/search_focus.png}
-      help-normal-url: ${UI_HELP_NORMAL:https://daycard.oss-cn-hangzhou.aliyuncs.com/help_normal.png}
-      help-focus-url: ${UI_HELP_FOCUS:https://daycard.oss-cn-hangzhou.aliyuncs.com/help_focus.png}
   # 微信支付配置
   wechat:
     pay: