fix AI-299, AI-296
#### PR Dependency Tree
* **PR #13020** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
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## Summary by CodeRabbit
* **Style**
* Improved layout alignment in the artifact preview panel for better
visual consistency.
* Enforced a minimum width for linked document banners to ensure
consistent appearance.
* **Bug Fixes**
* Updated artifact and document compose tools so that clicking an
artifact result always opens the preview panel, instead of toggling or
closing it unexpectedly.
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