Standalone orders admin screen for importing Walmart Seller Center “orders awaiting
shipment” CSV exports into the custom pd_walmart_orders staging table and
creating matching OpenCart 3 orders for the Walmart store (store_id = 7). On each
page load the script also backfills empty Walmart tracking numbers from shipped OpenCart orders.
pd_walmart_orders, create oc_order headers, match SKUs through
pd_walmart_products, and decrement inventory with pd_product_log audit rows.oc_order.tracking into pd_walmart_orders.Tracking_Number.oc_product_description with
language_id = 1 per OpenCart 3 requirements.