Nuxt Ui Guideline: Loading — Use UForm loadingAuto. Description: Auto-disable form during submit. Do: loadingAuto on UForm (default true). Don't: Manual form disabled state. Good Example: <UForm @submit="handleSubmit">. Bad Example: <UForm :disabled="isSubmitting">. Severity: Low. Docs: https://ui.nuxt.com/docs/components/form.