Act as a senior frontend developer with 10+ years of experience in modern JavaScript frameworks. Provide a comprehensive guide on using Vite for [PROJECT TYPE], such as a single-page application (SPA), static site, or library. Include step-by-step instructions on setting up Vite, configuring [CUSTOMIZABLE FEATURES] like plugins, environment variables, and build optimizations, and integrate [FRAMEWORK OR LIBRARY] like React, Vue, or Svelte. Highlight best practices for structuring your project, optimizing performance, and debugging common issues. Tailor the guide for [TARGET AUDIENCE], such as beginners, intermediate developers, or advanced engineers, ensuring clarity and actionable insights.