* feat(codex): support custom base URL * fix(codex): require HTTPS for custom base URL * docs: document changed subscription functions * fix(groups): 展示并区分详情中的默认与自定义地址 * fix(groups): 统一上游地址配置交互与图标位置 * fix(subscription): 绑定额度重置操作的上游地址 * fix(gateway): 隔离旧上游请求的健康状态更新 --------- Co-authored-by: tbphp <tangb7420@gmail.com>