Metrc-Compliant POS for Maine Tracking Update Readiness Guide

https://jeffreyrdsi515.opalvector.com/posts/maine-cannabis-pos-pre-roll-category-mapping-best-practices-2

Tracking updates may introduce new fields, package behaviors, validations, or user steps. Adult-use retailers should review the change before it affects production, then test the corresponding POS workflow and monitor exceptions after release