<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Improved the workspace cleanup process for trashed document embeddings
to use a more efficient, incremental batching approach, resulting in
better performance and reliability for large numbers of workspaces. No
visible changes to user interface or functionality.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->