Data Access & Storage Patterns When this skill applies Use this skill when the main question is where data should live and how a VTEX IO app should read or write it. - Designing new data flows for an IO app - Deciding whether to use app settings, configuration apps, Master Data, VBase, or VTEX core APIs - Reviewing code that reads or writes large, duplicated, or critical datasets - Introducing caching layers or derived local views around existing APIs Do not use this skill for: - detailed Master Data schema or entity modeling - app settings or configuration app schema design - auth tokens or…