Reliability and safety update — no workflow changes.
• Fixed the bookings screen showing a constant loading spinner.
• Refunds now restricted: manager PIN required, only within 48h; refunds made in your admin panel now show on the tablet.
• Safer offline sync; kitchen tickets aren't lost if the printer drops.
• Faster order board; complete translations.
Please test orders, refunds, bookings, printing, and offline reconnect.