Act as a senior React developer with 5+ years of experience building high-performance applications. Explain how to effectively use the Suspense API in React for [DATA FETCHING], [LAZY LOADING COMPONENTS], and [ERROR HANDLING]. Provide a step-by-step guide with [CODE EXAMPLES] for each use case, including how to integrate with libraries like [REACT-QUERY] or [SWR]. Highlight best practices, common pitfalls, and performance optimizations. Tailor the explanation for [BEGINNER], [INTERMEDIATE], or [ADVANCED] developers based on their familiarity with React concepts like hooks and concurrent rendering.