OCA/pos — reverse-engineered prompt

Build me an Odoo 18 Point of Sale add on pack for retail shops that adds practical cashier and manager features without changing the whole POS workflow.

I want cashiers to scan more kinds of barcodes, including products with multiple barcodes, lot or serial numbers, and barcodes that include a price with a conversion rate. In the POS screen, show clearer order details like order number, total quantity, product internal code, and a cleaner order summary. Add a simple remove line button.

For managers, add margin info on POS orders, a session summary PDF, custom POS logos, hidden cash control details when closing a session, and tools to limit which users can see certain points of sale or supplier information. Also support paying invoices from the POS session, turning a POS order into a sales order, keeping related deliveries, and using CashDro or a generic payment terminal.

Please follow normal Odoo Community Association style for modules and look up current Odoo 18 docs if needed.