#### PR Dependency Tree
* **PR #14897** 👈
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
* **Bug Fixes**
* Improved reliability of shape and connector detection by forcing full
DOM renders during waits.
* Fixed race conditions in code-block theme loading and cleanup when
components unmount.
* Refined viewport element discovery to correctly handle
rotated/canvas-layer elements and avoid stale DOM removal.
* **Tests**
* Increased polling timeouts and retries to reduce flakiness.
* Disabled per-file parallelism and ensured test setup performs full
cleanup before starting; extended test timeout.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-369
#### PR Dependency Tree
* **PR #13224** 👈
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 loading skeleton component for artifact previews,
providing a smoother visual experience during loading states.
* Artifact loading skeleton is now globally available as a custom
element.
* **Refactor**
* Streamlined icon and loading state handling in AI tools, centralizing
logic and removing redundant loading indicators.
* Simplified card metadata by removing loading and icon properties from
card meta methods.
* **Chores**
* Improved resource management for code block highlighting, ensuring
efficient disposal and avoiding unnecessary operations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fix AI-313, BS-3611
#### PR Dependency Tree
* **PR #13096** 👈
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
* **Refactor**
* Improved performance and resource management in code block
highlighting by using a shared highlighter instance across all code
blocks.
* Enhanced the text rendering component with additional reactive
capabilities.
* **Style**
* Updated the comment sidebar header with a new background color for
improved visual consistency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
DarkSky