Nuxt Ui Guideline: Icons — Use icon prop with Iconify format. Description: Nuxt UI supports Iconify icons via icon prop. Do: icon="lucide:home" icon="heroicons:user". Don't: i-lucide-home format. Good Example: <UButton icon="lucide:home">. Bad Example: <UButton icon="i-lucide-home">. Severity: Medium. Docs: https://ui.nuxt.com/docs/getting-started/integrations/icons/nuxt.