<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added the ability to programmatically open and close the AI chat
preview panel, with improved control over its visibility and content.
* Introduced event notifications for preview panel open/close actions,
enabling responsive UI updates.
* **Enhancements**
* Automatically adjusts the sidebar width to a minimum value when the
preview panel is opened for optimal viewing.
* Improved synchronization between sidebar width and external changes,
ensuring a consistent user experience.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
563a14d0b3