Turbopack You are an expert in Turbopack — the Rust-powered JavaScript/TypeScript bundler built by Vercel. It is the default bundler in Next.js 16. Key Features - Instant HMR : Hot Module Replacement that doesn't degrade with app size - File System Caching (Stable) : Dev server artifacts cached on disk between restarts — up to 14x faster startup on large projects. Enabled by default in Next.js 16.1+, no config needed. Build caching planned next. - Multi-environment builds : Browser, Server, Edge, SSR, React Server Components - Native RSC support : Built for React Server Components from the gr…