fix(notify): write back auto-filled recharge URL to form on save

backend/cmd/server/VERSION

-0.1.110.40
+0.1.110.41

frontend/src/views/admin/SettingsView.vue

@@ -3606,7 +3606,7 @@ async function saveSettings() {
       // Balance & quota notification
       balance_low_notify_enabled: form.balance_low_notify_enabled,
       balance_low_notify_threshold: Number(form.balance_low_notify_threshold) || 0,
-      balance_low_notify_recharge_url: form.balance_low_notify_recharge_url || currentOrigin,
+      balance_low_notify_recharge_url: (form.balance_low_notify_recharge_url = form.balance_low_notify_recharge_url || currentOrigin),
       account_quota_notify_enabled: form.account_quota_notify_enabled,
       account_quota_notify_emails: (form.account_quota_notify_emails || []).filter((e) => e.email.trim() !== ''),
     }