feat: surface remnawave panel webhook settings

locales/en.json

@@ -1017,6 +1017,7 @@
   "admin_content": "Content",
   "admin_logs_empty": "No entries",
   "admin_settings_section_general": "General",
+  "admin_settings_section_remnawave": "Remnawave Panel",
   "admin_settings_section_appearance": "Appearance",
   "admin_settings_section_pricing": "Legacy tariff compatibility",
   "admin_settings_section_payments": "Payment systems",
@@ -1039,6 +1040,7 @@
   "admin_settings_subsection_heleket": "Heleket",
   "admin_settings_provider_webhook_url": "Webhook URL",
   "admin_settings_provider_webhook_url_hint": "Use this URL in the provider webhook settings.",
+  "admin_settings_panel_webhook_url_hint": "Use this URL as WEBHOOK_URL in Remnawave Panel.",
   "admin_settings_provider_webhook_base_missing": "Set WEBHOOK_BASE_URL in .env to show the full URL for {path}.",
   "admin_settings_provider_admin_only_label": "Only for admins",
   "admin_settings_provider_admin_only_description": "Shows this provider only to admins. Webhooks and payment status handling remain active for test payments.",
@@ -1437,7 +1439,7 @@
   "admin_settings_field_panel_api_key_label": "Remnawave API key",
   "admin_settings_field_panel_api_key_description": "Secret API key for the panel.",
   "admin_settings_field_panel_webhook_secret_label": "Remnawave webhook secret",
-  "admin_settings_field_panel_webhook_secret_description": "Used to verify incoming panel webhooks.",
+  "admin_settings_field_panel_webhook_secret_description": "Set the secret in Remnawave Panel and paste the same value here to verify incoming panel webhooks.",
   "admin_settings_field_user_squad_uuids_label": "Default Internal Squads",
   "admin_settings_field_user_squad_uuids_description": "Comma-separated UUIDs for the legacy mode without a JSON tariff catalog.",
   "admin_settings_field_user_external_squad_uuid_label": "Default External Squad",