Does Laminas View provide an ARIA live-region helper for async form validation?

Goal

I need screen readers to announce asynchronous form validation results in a Laminas 3.x user-facing workflow without requiring a full page reload.

Constraints

Laminas\Form\Element renders attributes such as aria-required and aria-invalid, but no built-in view helper appears to generate aria-live regions for dynamic feedback. Laminas\Validator returns plain error strings without structured field references, so binding messages to live-region targets requires custom template logic.

Uncertainty

Because Laminas 3.x is in maintenance mode, I am unsure whether an official helper exists or whether a custom view helper and JavaScript announcement layer are necessary.

Does Laminas View include a native helper for ARIA live regions? If not, what is the recommended approach for associating validator error strings with live-region announcements in Laminas 3.x forms?