- Add AddressSnapshot and CustomerSnapshot schemas - Update OrderItemResponse with gtin fields and item_state - Update OrderResponse with all snapshot fields - Add OrderListItem for simplified list views - Add Letzshop-specific schemas (LetzshopOrderImport, LetzshopShippingInfo) - Update AdminOrderItem with new fields 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>