fix(types): type prose components in app config

[IgorShevchik]

Syncs upstream nuxt/ui commit d56e39a — fix(types): type prose components in app config (#6711).

What

TVConfig treated every app-config key as a flat component config, so the prose key — itself a namespace of prose components (prose.prompt, prose.pre, …) — wasn't typed correctly. The fix recurses TVConfig<T[P]> when P extends 'prose', so nested prose component configs get proper typing.

Adaptation

Upstream applies the conditional to both halves of its intersected mapped type (the base/slots/variants block and the separate compoundVariants block). b24ui's TVConfig diverges — it's a single mapped type that already folds compoundVariants into the K extends … union — so the fix collapses to one edit on b24ui's single [P in keyof T]?::

[P in keyof T]?: P extends 'prose' ? TVConfig<T[P]> : { … }

Same semantics: appConfig.b24ui.prose.<component> is now recursively typed via TVConfig instead of as a flat component config.

Verify (CI=true)

dev:prepare · lint · typecheck · test · build — all green. Type-only change; typecheck (vue-tsc + all nuxt typecheck projects) resolves the recursion with no regressions. Suite 5477 passed / 6 skipped. No snapshot changes.

Ledger: cursor advanced to d56e39a; previous entry 0f2b9da reconciled to PR #268.

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