This change adds support for the Belgian Blackbox v2 fiscal compliance device in Odoo Point of Sale. It helps Belgian businesses using POS meet updated legal requirements while also adjusting related payment, session, and order handling to work correctly with the new integration.

Adds support for the new Belgian Blackbox v2 requirements in Odoo Point of Sale. This helps Belgian businesses using certified POS systems stay compliant with updated fiscal signing and reporting rules for sales, refunds, pre-bills, order changes, and cash movements.