#### PR Dependency Tree
* **PR #13039** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
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## Summary by CodeRabbit
* **Refactor**
* Streamlined and unified the rendering and update flow for the document
compose tool, improving clarity and responsiveness of the UI.
* Enhanced error handling and updated preview panel interactions for a
smoother user experience.
* **Style**
* Improved sidebar header layout: increased header height, added sticky
positioning, adjusted padding, and updated background color for better
visibility and usability.
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