- Added a tabbed interface in VocabLessonView for 'Learn' and 'Exercises' sections, improving user navigation.
- Implemented logic to display important vocabulary and cultural notes in the learning section.
- Updated exercise result display to include correct answers and alternatives for better user feedback.
- Enhanced VocabService to extract correct answers and alternatives from exercise data, supporting the new UI features.
- Added new translations for vocabulary-related terms in both English and German, ensuring consistency across the application.
- Added logic to clear previous exercise answers and results when loading a new lesson, ensuring accurate tracking of user responses.
- Simplified the handling of exercise answers and results by directly assigning values instead of using Vue's `$set` method, improving code readability.
- Added logic to initialize grammar exercises directly from lesson data or load them separately if not included.
- Introduced a new method to initialize answer arrays for gap fill exercises, improving user interaction and response tracking.
- Updated comments for clarity on the exercise loading process and initialization logic.
- Added support for multiple exercise types including multiple choice, gap fill, and transformation.
- Updated UI to display exercise instructions and results with improved styling.
- Implemented logic to handle answer checking based on exercise type, enhancing user interaction.
- Added new translations for exercise-related terms in both English and German.
- Introduced a new method in VocabService to fetch lesson details, including access control based on user ownership and lesson visibility.
- Updated VocabController to wrap the new method for user access.
- Added a new route in VocabRouter to handle requests for specific lessons.
- Enhanced VocabCourseListView to support navigation to individual lesson views, improving user experience in accessing lesson content.
