feat: improve admin trial settings controls

locales/en.json

@@ -1113,6 +1113,7 @@
   "admin_settings_secret_configured": "Secret is set",
   "admin_settings_secret_empty": "Not set",
   "admin_settings_badge_override": "Override",
+  "admin_settings_badge_dirty": "Changed",
   "admin_status_limited": "Limited",
   "admin_status_expired": "Expired",
   "admin_status_disabled": "Disabled",
@@ -1314,6 +1315,14 @@
   "admin_tariffs_trial_squads": "Trial Internal Squads",
   "admin_tariffs_trial_squads_hint": "These squads are applied when trial is activated. Empty value falls back to USER_SQUAD_UUIDS.",
   "admin_tariffs_trial_add_squad": "Add squad from panel",
+  "admin_tariffs_trial_group_switch": "Access",
+  "admin_tariffs_trial_group_switch_hint": "Turns trial activation on or off for users.",
+  "admin_tariffs_trial_group_general": "General settings",
+  "admin_tariffs_trial_group_general_hint": "Trial duration and traffic volume granted to the user.",
+  "admin_tariffs_trial_group_reset": "Traffic reset",
+  "admin_tariffs_trial_group_reset_hint": "Strategy Remnawave uses to refresh the trial traffic limit.",
+  "admin_tariffs_trial_group_squads": "Squads",
+  "admin_tariffs_trial_group_squads_hint": "Squads assigned to the user when trial access is activated.",
   "admin_tariffs_legacy_title": "Legacy tariff compatibility",
   "admin_tariffs_legacy_subtitle": "Old remnawave-tg-shop periods and traffic packages used only when the JSON tariff catalog is not configured.",
   "admin_tariffs_legacy_period": "Period",

locales/ru.json

@@ -1113,6 +1113,7 @@
   "admin_settings_secret_configured": "Секрет задан",
   "admin_settings_secret_empty": "Не задан",
   "admin_settings_badge_override": "Оверрайд",
+  "admin_settings_badge_dirty": "Изменено",
   "admin_status_limited": "Ограничен",
   "admin_status_expired": "Истёк",
   "admin_status_disabled": "Выключен",
@@ -1314,6 +1315,14 @@
   "admin_tariffs_trial_squads": "Internal Squads для триала",
   "admin_tariffs_trial_squads_hint": "Эти сквады применяются при активации триала. Если поле пустое, используются USER_SQUAD_UUIDS.",
   "admin_tariffs_trial_add_squad": "Добавить сквад из панели",
+  "admin_tariffs_trial_group_switch": "Доступ",
+  "admin_tariffs_trial_group_switch_hint": "Включает или выключает выдачу пробного периода пользователям.",
+  "admin_tariffs_trial_group_general": "Общие настройки",
+  "admin_tariffs_trial_group_general_hint": "Длительность пробного доступа и объём трафика, который получает пользователь.",
+  "admin_tariffs_trial_group_reset": "Сброс трафика",
+  "admin_tariffs_trial_group_reset_hint": "Стратегия, по которой Remnawave обновляет лимит трафика для пробного периода.",
+  "admin_tariffs_trial_group_squads": "Сквады",
+  "admin_tariffs_trial_group_squads_hint": "Сквады, которые будут назначены пользователю при активации триала.",
   "admin_tariffs_legacy_title": "Совместимость с legacy-тарифами",
   "admin_tariffs_legacy_subtitle": "Старые периоды и пакеты трафика remnawave-tg-shop, которые используются только без JSON-каталога.",
   "admin_tariffs_legacy_period": "Период",