fix AI-298
#### PR Dependency Tree
* **PR #13024** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Document and code artifact generation tools now use a single prompt
field for user input, enabling more flexible content creation powered by
AI.
* **Bug Fixes**
* Improved error handling for missing prompt templates or providers
during document and code artifact generation.
* **Refactor**
* Simplified input schemas for document and code artifact tools,
consolidating multiple input fields into a single prompt.
* Output schemas updated to remove metadata and other unused fields for
a cleaner result.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#### PR Dependency Tree
* **PR #13013** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced a document composition tool for AI chat, allowing users to
generate, preview, and save structured markdown documents directly from
chat interactions.
* Added an artifact preview panel for enhanced document previews within
the chat interface.
* Enabled dynamic content rendering in the chat panel's right section
for richer user experiences.
* **Improvements**
* Sidebar maximum width increased for greater workspace flexibility.
* Enhanced chat message and split view styling for improved layout and
usability.
* **Bug Fixes**
* None.
* **Other**
* Registered new custom elements for AI tools and artifact preview
functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Peng Xiao