<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Introduced a full-featured document comment system with sidebar for
viewing, filtering, replying, resolving, and managing comments and
replies.
* Added a rich text comment editor supporting editable and read-only
modes.
* Enabled comment-based navigation and highlighting within documents.
* Integrated comment functionality into the workspace sidebar (excluding
local workspaces).
* Added internationalization support and new UI strings for comment
features.
* Added new feature flag `enable_comment` for toggling comment
functionality.
* Enhanced editor focus to support comment-related selections.
* Added snapshot and store helpers for comment content management.
* Implemented backend GraphQL support for comment and reply operations.
* Added services for comment entity management and comment panel
behavior.
* Extended comment configuration to support optional framework
providers.
* Added preview generation from user selections when creating comments.
* Enabled automatic sidebar opening on new pending comments.
* Added comment-related query parameter support for navigation.
* Included inline comment module exports for integration.
* Improved comment provider implementation with full lifecycle
management and UI integration.
* Added comment highlight state tracking and refined selection handling
in inline comments.
* **Style**
* Added comprehensive styles for the comment editor and sidebar
components.
* **Chores**
* Updated language completeness percentages for multiple locales.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: L-Sun <zover.v@gmail.com>
Close [BS-3305](https://linear.app/affine-design/issue/BS-3305/白板按s应该使用上次的shape形状)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added a method to cycle through shape types when using the shape tool.
- **Bug Fixes**
- Improved shape tool behavior to ensure the selected shape type does not change unexpectedly after adding a new shape.
- **Tests**
- Added an end-to-end test to verify that the shape tool retains the selected shape type after adding a new shape.
- Enhanced shortcut tests to verify cycling shapes forward and backward using 's' and 'Shift+s' keys.
- **Refactor**
- Streamlined the logic for cycling through shape types and connector modes for improved maintainability.
- Removed external utility for cycling shapes, integrating the functionality directly into the shape tool.
- Updated keyboard shortcut handling to use the new cycling method within the shape tool.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: [BS-3272](https://linear.app/affine-design/issue/BS-3272/footnote-适配-exa-api-返回结果)
## What's Changed
Add link preview data support (favicon, title, description) for URL references in footnotes:
- Store and display URL preview data in footnotes
- Add encoding/decoding support for favicon URLs
- Optimize link preview by using existing preview data when available
Closes: [BS-2909](https://linear.app/affine-design/issue/BS-2909/新增highlighter)
### What's Changed!
Currently the highlighter tool is very similar to brush, but for the future, it's a standalone module.
* Added `Highlighter` element model
* Added `Highlighter` tool
* Added `Highlighter` entry to the global toolbar
Peng Xiao