Agentic commerce is fundamentally shifting the Australian retail landscape. As AI agents move from simple chatbots to sophisticated decision-making tools for both consumers and category managers, the traditional path to purchase is being bypassed. For emerging Australian consumer brands, winning in this environment requires more than just high-quality products; it demands absolute data integrity and a proactive approach to algorithmic visibility. This article explores the "Data Trust Gap"—a critical failure point where brands lose retail listings not due to poor sales, but because their digital footprint fails to meet the predictive requirements of retailer algorithms. By implementing the Algorithmic Integrity Framework, founders can ensure their brands remain visible and "selectable" in a world where AI filters the noise. We examine the impact of retail media, smart loyalty data from Coles and Woolworths, and the increasing regulatory scrutiny from the ACCC on supermarket pricing algorithms. Learn how to optimise your commercial strategy for the age of automated replenishment and AI-assisted discovery.