- Updated the backend to improve the fetching and insertion of training unit sections, including a new function for handling section items.
- Added documentation notes regarding the unique constraint on `training_unit_sections` and the implications for parallel training streams.
- Updated frontend components and utility functions to reflect changes in the training planning API and to prepare for future enhancements related to parallel streams.
- Bumped APP_VERSION to 0.8.132 and updated the changelog to reflect recent changes.
- Removed unused imports and refactored the ExerciseFormPage, ExercisesListPage, and TrainingPlanningPage for improved code clarity and maintainability.
- Enhanced the overall structure of the components by eliminating redundant code and optimizing imports.
