<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Images and icons in bookmark cards are now loaded through an image proxy for improved reliability and consistency.
- Embed blocks for GitHub, Loom, and YouTube now display banner and creator images via an image proxy service for enhanced image loading.
- **Refactor**
- Simplified backend URL handling and proxy logic for images, resulting in more efficient processing and reduced complexity.
- Consolidated image proxy middleware and services into a shared adapter module for streamlined imports and improved maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Fixed compat error for new built-in template with test updated.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added an option to enable or disable bitmap rendering in the renderer settings.
- Introduced a cooldown period after zooming before block optimization resumes, improving rendering performance and stability.
- **Bug Fixes**
- Improved handling of cases where block components may be missing, preventing potential runtime errors.
- **Tests**
- Expanded and refined tests to verify zooming behavior, bitmap caching, and internal state transitions for enhanced reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
