Nuxt 4 - Plugin with Auto-imports

// plugins/api.ts
export default defineNuxtPlugin(() => {
  const config = useRuntimeConfig()

  const api = $fetch.create({
    baseURL: config.public.apiBase,
    onRequest({ request, options }) {
      // Add auth header
      const token = useCookie('auth-token')
      if (token.value) {
        options.headers = {
          ...options.headers,
          Authorization: `Bearer ${token.value}`,
        }
      }
    },
    onResponseError({ response }) {
      // Handle errors globally
      if (response.status === 401) {
        navigateTo('/login')
      }
    },
  })

  return {
    provide: {
      api,
    },
  }
})

// Usage in components:
// const { $api } = useNuxtApp()
// const data = await $api('/users')