## Problem
`ui-patterns` exports its components under a subpath (see its
`package.json`). This is easy to forget when adding a new component.
## Solution
Add a CI job that validate the exports are corrects
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Tests**
* Added a new “Validate exports” step to the UI patterns pipeline to
ensure generated exports remain in sync.
* When discrepancies are detected, the workflow outputs the diff and
fails immediately to prevent stale artifacts.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: Ivan Vasilov <vasilov.ivan@gmail.com>
