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## Summary by CodeRabbit
* **New Features**
* Introduced a split-view layout in the AI chat, allowing chat content
and a preview panel to be displayed side-by-side.
* Added responsive padding and layout adjustments for improved chat
panel appearance.
* **Refactor**
* Simplified the chat panel by removing the previous preview panel
feature and related state from the main chat component.
* Updated internal logic to support the new split-view structure.
* **Style**
* Adjusted chat panel and workspace chat page styles for better layout
consistency and responsiveness.
* **Chores**
* Improved code organization and import statements for maintainability.
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