<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Summary by CodeRabbit
* **New Features**
* Enhanced extraction of selected content in the editor to include
document snapshots, markdown summaries, and attachments for both
edgeless and page modes.
* Attachments related to selected content are now available in chat and
input contexts, providing additional metadata.
* Added utility to identify and retrieve selected attachments in editor
content.
* **Bug Fixes**
* Improved consistency in attachment retrieval when extracting selected
content.
* **Chores**
* Updated dependencies and workspace references to include new block
suite components.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
> CLOSE AF-2770
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced two new widgets: Edgeless Dragging Area and Note Slicer, now available for use.
- Added extension support for these widgets, enabling enhanced interaction and integration within the application.
- **Chores**
- Updated package configurations and workspace settings to include the new widgets and their dependencies.
- Added project references and configuration files to support modular development and build processes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new pointer graphics module with tools and quick tool integration for edgeless surfaces.
- Added a quick tool button for pointer interactions in edgeless mode.
- Exposed new extension points for pointer graphics and effects.
- **Improvements**
- Integrated pointer graphics as a dependency into related packages.
- Enhanced toolbar context to support additional surface alignment modes.
- Added conditional clipboard configuration registrations for edgeless contexts across multiple block types.
- **Removals**
- Removed legacy tool and effect definitions and related quick tool exports from edgeless components.
- Streamlined extension arrays and removed unused exports for a cleaner codebase.
- Deleted obsolete utility functions and component registrations.
- **Chores**
- Updated workspace and TypeScript project references to include the new pointer graphics module.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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