React Advanced: Core Patterns & Conventions (Cross-Platform) This skill defines the rules, conventions, and architectural decisions for building modern React applications with the TanStack ecosystem and XState. It is intentionally opinionated to prevent common pitfalls and enforce patterns that scale. These patterns work identically on web and React Native . For platform-specific patterns: - Web: see (TanStack Router, Start, Virtual) - React Native: see (Expo Router, FlashList, MMKV) For detailed API documentation of any library mentioned here, use other appropriate tools (documentation looku…