Show OpenVPN OIDC prerequisites and exposed management port

frontend/src/locales/en-US.json

@@ -228,6 +228,8 @@
   "oidcGuide": {
     "title": "Feishu / OIDC browser authentication",
     "externalService": "Requires openvpn-auth-oauth2",
+    "componentReady": "Authentication component installed v{version}",
+    "authEntryPending": "Management TLS is ready at {domain}; OpenVPN authentication still requires a separate HTTPS hostname and an OIDC issuer.",
     "app": "Create app",
     "appShort": "Feishu developer console",
     "identity": "Enter identity settings",
@@ -762,6 +764,7 @@
     "nginxHint": "Save the Nginx mode and domain, restart the service, then enable the site and request a certificate. Public ports 80/443 must be open.",
     "externalRenewal": "Managed by Certbot", "previewNginx": "Preview Nginx configuration", "previewOnly": "Configuration preview; HTTP handles issuance and HTTPS starts after the certificate exists.", "httpSite": "HTTP-01 site", "httpsSite": "HTTPS management site",
     "siteStage": "Site stage", "stage_none": "Inactive", "stage_http": "HTTP-01 ready; certificate pending", "stage_https": "HTTPS configuration enabled", "activateSite": "Enable site and issue certificate", "activateHint": "Checks existing sites and ports first. Certbot registration uses no email address, so renewal failures cannot be reported by email.", "siteReady": "HTTPS site and certificate are ready", "siteFailed": "Gateway or certificate setup failed; see output",
+    "directPortWarning": "The management service still listens publicly on port 18080, bypassing Nginx path rules. Migrate clients using the old HTTP address, then bind the service to 127.0.0.1:18080.",
     "setupTitle": "Optional HTTPS public gateway", "setupStepCheck": "Detect system", "setupStepInstall": "Install dependencies", "setupStepConfigure": "Configure gateway and certificate", "detectedSystem": "Server OS", "setupUnsupported": "Automatic setup requires root on Ubuntu or TencentOS Server 4", "setupScope": "Use only if you choose the Nginx gateway. Installs Nginx / Certbot and prepares the validation directory. It does not install VPN protocol dependencies, enable ports, or issue certificates.", "setupButton": "Prepare Nginx / Certbot", "setupComplete": "Dependencies are ready; configure the site and certificate next", "setupFailed": "Initialization failed; inspect the output", "setupInterrupted": "Log connection interrupted; refresh status. Installation may still be running on the server",
     "commonSetupTitle": "First-time shared network setup", "commonSetupHint": "Check permissions, default route and IPv4 forwarding. Enable shared forwarding only when needed; install protocol-specific dependencies separately in Create Tunnel.", "hostRoot": "Privileges", "hostRoute": "Default route", "hostForward": "IPv4 forwarding", "enableForwarding": "Enable IPv4 forwarding", "forwardingEnabled": "IPv4 forwarding enabled"
   },

frontend/src/locales/zh-CN.json

@@ -228,6 +228,8 @@
   "oidcGuide": {
     "title": "飞书 / OIDC 浏览器认证配置",
     "externalService": "需要 openvpn-auth-oauth2",
+    "componentReady": "认证组件已安装 v{version}",
+    "authEntryPending": "管理域名 {domain} 的证书已就绪；OpenVPN 认证入口仍需独立 HTTPS 域名与 OIDC 发行者。",
     "app": "创建应用",
     "appShort": "飞书开放平台",
     "identity": "填写身份信息",
@@ -762,6 +764,7 @@
     "nginxHint": "选择 Nginx 模式并保存域名后重启服务，再点击启用站点申请证书。端口 80/443 需允许公网访问。",
     "externalRenewal": "由 Certbot 管理", "previewNginx": "预览 Nginx 配置", "previewOnly": "以下为配置预览；HTTP 站点用于签发，HTTPS 站点在证书存在后启用。", "httpSite": "HTTP-01 站点", "httpsSite": "HTTPS 管理站点",
     "siteStage": "站点阶段", "stage_none": "未启用", "stage_http": "HTTP-01 已准备，证书待签发", "stage_https": "HTTPS 配置已启用", "activateSite": "启用站点并申请证书", "activateHint": "启用前会检查现有站点及端口；冲突时停止并提示。证书采用 Certbot 无邮箱注册，续签失败时不会收到邮件通知。", "siteReady": "HTTPS 站点与证书已就绪", "siteFailed": "站点或证书配置失败，请查看输出",
+    "directPortWarning": "管理服务仍直接监听公网 18080，访问该端口会绕过 Nginx 的路径限制。请先迁移使用旧 HTTP 地址的客户端，再将管理服务改为仅监听 127.0.0.1:18080。",
     "setupTitle": "可选 · HTTPS 公网入口", "setupStepCheck": "检测系统", "setupStepInstall": "安装依赖", "setupStepConfigure": "配置入口与证书", "detectedSystem": "服务器系统", "setupUnsupported": "自动初始化仅支持以 root 运行的 Ubuntu 或 TencentOS Server 4", "setupScope": "仅在选择 Nginx 入口时点击：按需安装 Nginx / Certbot 并准备验证目录；不会安装 VPN 协议依赖、启用端口或签发证书。", "setupButton": "准备 Nginx / Certbot", "setupComplete": "依赖已准备，继续配置站点与证书", "setupFailed": "初始化失败，请查看输出", "setupInterrupted": "日志连接中断，请刷新状态；服务器上的安装可能仍在继续",
     "commonSetupTitle": "首次引导 · 通用网络环境", "commonSetupHint": "检查服务权限、默认出口和 IPv4 转发。仅按需开启通用转发；各专线协议的依赖在“创建专线”中分别安装。", "hostRoot": "运行权限", "hostRoute": "默认出口", "hostForward": "IPv4 转发", "enableForwarding": "开启 IPv4 转发", "forwardingEnabled": "IPv4 转发已开启"
   },