UForm cross-validation fails

Environment

| | Operating system macOS 25.2.0 │
│ │ CPU Apple M3 Pro (11 cores) │
│ │ Node.js version v22.20.0 │
│ │ nuxt/cli version 3.31.3 │
│ │ Package manager pnpm 10.26.1 │
│ │ Nuxt version 4.2.2 │
│ │ Nitro version 2.12.9 │
│ │ Builder vite 7.3.0 │
│ │ Config colorMode, compatibilityDate, css, devtools, eslint, i18n, modules, │
│ │ routeRules, runtimeConfig │
│ │ Modules @nuxt/eslint 1.12.1, @nuxt/ui 4.3.0, @nuxt/devtools 3.1.1, @nuxt/image │
│ │ 2.0.0, │
│ │ @nuxt/icon 2.2.0, @nuxt/fonts 0.12.1, @nuxt/a11y 1.0.0-alpha.1, @nuxt/hints │
│ │ 1.0.0-alpha.5, @pinia/nuxt 0.11.3, pinia-plugin-persistedstate 4.7.1, │
│ │ @nuxtjs/i18n 10.2.1, @vueuse/nuxt 14.1.0, @nuxtjs/robots 5.6.7, │
│ │ @nuxtjs/color-mode 4.0.0, @nuxtjs/sitemap 7.5.2, @vite-pwa/nuxt 1.1.0

Is this bug related to Nuxt or Vue?

Nuxt

Package

v4.x

Version

v4.3.0

Reproduction

https://codesandbox.io/p/devbox/uformfield-bug-437w5s

Description

I would expect that if UForm gets error from superRefine about other field in form that it would display the error on the secondary field, but it's not showing.

Additional context

No response

Logs

Start with the linked CodeSandbox reproduction and inspect the UForm validation path involving superRefine and cross-field errors. Confirm how the error for the secondary field is produced and handled; the issue is complete when that field displays the expected error from the reproduction.