v0.0.9

• 修复「每过一段时间节点全部离线、需要重新导入 Surge 才恢复」：节点连接参数现在每 10 分钟自动刷新（菜单栏与多端口映射模式），不再依赖每日一次的配置刷新
• 更快自愈：网络切换、睡眠唤醒后立即刷新；连续拨号失败自动强制刷新；服务器更换 ECH 配置时自动使用其提供的新配置重连
• 登录失效（令牌过期/被下线）不再静默失败：菜单与图标提示「登录已失效」，可一键重新登录；手动「更新节点」失败时保留现有列表并说明原因
• 菜单栏图标随状态变化：正常 / 面板不可达或节点离线 / 登录失效 / 未登录
• 新增「诊断…」：一键检查面板连通、节点连通、端口监听与 Surge 状态，结果可拷贝
• 新增应用内更新：检测到新版本时菜单出现「更新到 vX.Y…」，自动下载、校验签名并原子替换后重启
• 新增「允许局域网访问」：同一网络的设备可使用本机代理与配置（单端口配置也会按请求来源填充地址）
• 「自动选择」加入切换阈值：新节点需快 50 ms 以上才切换，避免来回横跳

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• Fixes "every node goes offline after a while until the profile is re-imported": node connection parameters now refresh automatically every 10 minutes in tray and multi-port mapping modes, instead of relying on the daily managed-config fetch
• Faster self-healing: immediate refresh on network change and wake; repeated dial failures force a refresh; when the server rotates its ECH config, the client retries with the server-offered config automatically
• Expired/revoked logins no longer fail silently: the menu and icon show "login expired" with one-click re-login; a failed manual refresh keeps the current node list and explains why
• The menu bar icon now reflects state: ok / panel unreachable or nodes offline / login expired / logged out
• New "Diagnostics…": one-click check of panel reachability, node connectivity, port listeners and Surge status, with a copyable report
• New in-app updater: when a new release is available the menu shows "Update to vX.Y…" — downloads, verifies the signature and swaps atomically, then restarts the tray
• New "Allow LAN Access": devices on the same network can use this Mac's proxy and config (the single-port profile now fills in the requesting host)
• Auto-select now uses a switching threshold: it only changes node when the best one is ≥50 ms faster, eliminating flip-flopping