3x-ui 式共享节点改造：nodes 状态机 + nodeClients 各自凭据

- 移除 VMess 协议
- VLESS/SS2022 按用户流量统计（AnyTLS 日志解析，SS 节点级）
- sing-box v2ray_api stats 支持
- 内存优化：面板 128M，agent 64M，sing-box 64M

public/index.html

@@ -37,7 +37,6 @@
         <button data-page="servers"><span class="nav-icon">◫</span><span class="nav-label">服务器</span></button>
         <button data-page="customers"><span class="nav-icon">◎</span><span class="nav-label">客户与订阅</span></button>
         <button data-page="chains"><span class="nav-icon">⇄</span><span class="nav-label">转发与节点</span></button>
-        <button data-page="deployments"><span class="nav-icon">◇</span><span class="nav-label">部署与链接</span></button>
         <button data-page="commands"><span class="nav-icon">⌘</span><span class="nav-label">安装与命令</span></button>
         <p class="nav-caption nav-group">安全与系统</p>
         <button data-page="operations"><span class="nav-icon">⚙</span><span class="nav-label">设置与运维</span></button>