Wire Hysteria 2 UI with per-server SSL defaults and renew.

Expose domain/email on servers, warn that TCP 80/443 must be free on install, and allow Let's Encrypt re-issue from Hysteria settings.

Co-authored-by: Cursor <cursoragent@cursor.com>

translations/zh.json

@@ -340,6 +340,23 @@
   "clear_server": "清除服务器",
   "remove_server": "从面板移除服务器",
   "telemt_desc": "基于 MTProxy 的 Telegram 代理，支持高级混淆。",
+  "hysteria_desc": "Hysteria 2（QUIC/UDP，官方 tobyxdd/hysteria / apernet/hysteria），支持 Let's Encrypt TLS。安装时由管理员指定域名。",
+  "hysteria_domain": "域名",
+  "hysteria_email": "Let's Encrypt 邮箱",
+  "hysteria_port_hint": "Hysteria UDP 端口（默认 8998）。若 443 已被占用请换端口。",
+  "hysteria_install_hint": "安装前请将域名 A 记录指向本服务器。将自动启用 BBR 与 salamander 混淆。",
+  "hysteria_dns_hint": "安装前请创建此 DNS 记录：",
+  "hysteria_settings_title": "Hysteria 设置",
+  "hysteria_change_port": "更改端口",
+  "hysteria_port_change_hint": "UDP 监听端口。若提示 address already in use，请改用空闲端口（如 8443 或 8998）。",
+  "hysteria_settings_saved": "Hysteria 端口已更新",
+  "hysteria_ports_warning": "注意：稳定运行需要空闲的 TCP 端口 80 和 443（Let's Encrypt 使用 80，HTTPS/QUIC 使用 443）。",
+  "hysteria_renew_ssl": "续签 SSL",
+  "hysteria_ssl_change_hint": "更改域名会重新签发 Let's Encrypt 证书（需空闲端口 80）。",
+  "hysteria_ssl_required": "签发 SSL 需要域名和邮箱",
+  "server_ssl_domain": "SSL 域名（默认）",
+  "server_ssl_email": "SSL 邮箱（默认）",
+  "server_ssl_hint": "安装 Hysteria / NGINX 时自动填入（Let's Encrypt）。",
   "container_logs": "容器日志",
   "logs_btn": "📋 日志",
   "logs_live": "实时",