React Context Full Reference : See advanced.md for context selectors with useSyncExternalStore, dependency injection, React 19 use(), testing context, and TypeScript patterns. Deep Knowledge : Use with technology: topic: for comprehensive documentation. Basic Usage --- Context with Reducer For complex state management: --- Performance Optimization Split State and Actions --- Context Composition Combine multiple contexts cleanly: --- Context vs Other State Solutions | Solution | Use Case | |----------|----------| | Context | Dependency injection, theme, auth, rarely changing data | | useState…