<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Refactor**
- Improved history and undo/redo management across the app by introducing a dedicated history extension. Undo/redo operations now use a more focused undo manager, resulting in clearer and more consistent behavior.
- **Documentation**
- Updated API documentation to reflect changes in history management, including revised method signatures and removal of outdated event references.
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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Undo/redo history management is now centralized in the workspace, providing more consistent and robust undo/redo behavior.
- History update events are emitted at the workspace level, enabling better tracking of changes.
- **Bug Fixes**
- Improved reliability of undo/redo actions by shifting history management from documents to the workspace.
- **Documentation**
- Updated and clarified documentation for history-related APIs, including improved examples and clearer descriptions.
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