Checkout
A minimal multi-step flow for address, shipping, tax, and payment using current backend stubs.
Step: addressCart subtotal: Unavailable
2) Shipping
No concrete shipping rates returned yet; this is acceptable while backend integrations are still maturing.
3) Tax
Tax response will appear here. If values are placeholders, continue anyway and show estimates in UX.
5) Confirmation
Complete payment confirmation to finalize this flow.