Self-serve e-commerce returns & exchange portal wizard: Stepper header (Find Order → Select Items → Choose Resolution → Confirm & Print Label), order lookup with email and order number, item selection list with return reasons and quantities, resolution selector (size exchange, store credit with +10% bonus, or original payment refund), and confirmation screen with printable prepaid shipping label, QR code drop-off instructions, and return summary.
npx shadcn@latest add https://uipkge.dev/r/react/returns-portal.jsonreturns-portal