- Adds @nuxt/cli v4 with an interactive dev UI, faster startup, and new nuxt curl/task commands.
- Introduces nuxt/server import surface for server‑only code, enabling server‑agnostic builds and smoother migration to Nuxt 5.
- Adds a root appSecret (runtimeConfig.appSecret) with built‑in session helpers and rebuilds typed $fetch for improved TypeScript performance.