## Context
As per PR title - brings Database Connections into feature preview
Should be working for both hosted + self-host/local
Also adjusts existing feature previews to remove "New"
- Platform webhooks
- Temporary database access
<img width="600" alt="image"
src="https://github.com/user-attachments/assets/b18ae8ca-ce0b-4649-975c-e70749a87dcd"
/>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a Database Connections preview highlighting live activity, query
blocking detection, session termination, and AI-assisted summaries.
* Added access to project-specific observability connections from the
preview.
* Added a Database Connections entry to the observability menu when
enabled.
* **Improvements**
* Updated feature previews and labels, including changes to “new” status
indicators.
* Added controls to manage Database Connections preview visibility.
* **Bug Fixes**
* Improved blocker detection so results respect the selected role
filters.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
