- Created LevelDto.cs with LevelDto, CreateLevelDto, UpdateLevelDto
- Created UserProgressDto.cs with UserProgressDto, UpdateUserProgressDto, LevelCompletionDto
- Created LevelService.cs with CRUD operations for CEFR levels
- Created LessonService.cs with CRUD operations and filtering by level
- Created ProgressService.cs with user progress tracking, completion percentage, and lesson unlocking logic
- Registered all new services in Program.cs
- Fixed UserProgressDto ToEntity/UpdateFromDto to use domain entity methods
Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
