This technical report addresses the architectural and tooling requirements necessary to achieve low-latency inference for personalized product recommendations within high-traffic e-commerce checkout flows. The temporal constraints imposed by the point-of-sale environment are exceptionally severe; empirical evidence suggests that system delays as minor as 100 milliseconds (ms) can correlate directly with a 1% loss in sales. Consequently, meeting a stringent Service Level Objective (SLO) for the w