Omnichannel retail represents a unified approach where customers can shop seamlessly across physical stores, websites, mobile apps, and other digital platforms. This model fundamentally changes traditional supply chain management because it breaks the separation between offline and online operations. Earlier, brick-and-mortar stores and e-commerce channels were managed as distinct systems with separate inventories, distribution networks, and customer service processes. However, omnichannel retail requires integration of these functions into a single, flexible, and responsive supply chain. This shift is not merely operational but strategic, as it focuses on customer experience, speed, and consistency across all channels. One of the most important changes is the move from centralized inventory systems to distributed and real-time inventory visibility. Retailers must ensure that stock information is updated instantly across all platforms so that customers can see accurate product availability whether they are shopping online or in-store. This requires advanced technologies such as warehouse