This simplifies the usage to avoid the tokens env to the project name:

export default defineNuxtConfig({
  modules: ['@nuxthq/studio'],
  studio: {
    project: 'team-slug/project-slug'
  }
})

If the repo is linked to multiple projects in Studio (ie: content source), since it's pretty rare, it can use it as an array:

export default defineNuxtConfig({
  modules: ['@nuxthq/studio'],
  studio: {
    projects: ['team-slug/project-slug', 'team-slug/project-content-source-slug']
  }
})

I also improved the playground to use Nuxt UI Pro with a better debugging experience and onboarding using Nuxt Tunnel feature.