Issue invite configs as subscription URLs with redeem-based lifetime.

Admin picks inbound once, sets duration in days from Get config, and configures the 3x-ui /sub base URL.

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

translations/zh.json

@@ -213,6 +213,20 @@
   "invite_user_required": "请选择用户",
   "invite_password_label": "密码（可选）",
   "invite_expires_label": "过期时间（可选）",
+  "invite_duration_label": "配置有效期（天）",
+  "invite_duration_hint": "从用户点击获取配置时开始计时。0 = 不过期。",
+  "invite_duration_short": "有效期",
+  "invite_duration_starts_hint": "获取后配置将有效 {} 天",
+  "invite_config_expires_at": "配置有效至：{}",
+  "invite_inbound_hint": "一次性选择所需的 VLESS 入站",
+  "invite_inbound_loading": "加载入站中…",
+  "invite_inbound_empty": "未找到 VLESS 入站",
+  "invite_inbound_need_xui": "请先在设置中配置 3x-ui",
+  "invite_inbound_required": "请选择 VLESS 入站",
+  "invite_sub_url_missing_title": "未设置订阅 URL",
+  "invite_sub_url_missing_hint": "在 设置 → 3x-ui 中填写订阅基础 URL，以便发放 /sub/… 配置。",
+  "invite_sub_tab": "订阅",
+  "days_short": "天",
   "invite_clear_expires": "清除过期时间",
   "invite_note_label": "备注（仅管理员）",
   "invite_note_placeholder": "内部备注",
@@ -275,6 +289,8 @@
   "sync_hint": "将根据 Remnawave 数据自动创建、禁用和删除用户",
   "xui_url_label": "3x-ui 地址",
   "xui_url_hint": "包含协议、端口和 webBasePath（如有）",
+  "xui_sub_url_label": "订阅基础 URL",
+  "xui_sub_url_hint": "公共 /sub 基础地址，末尾不要斜杠（如 https://host:2096/sub）。",
   "xui_api_token_label": "API Token（推荐）",
   "xui_api_token_placeholder": "Settings → Security → API Token",
   "xui_api_token_hint": "若已设置，将跳过用户名/密码登录",