+---------------------+     +---------------------+
|    Presentation     |     |   Infrastructure    |
|---------------------|     |---------------------|
| - Controllers       |     | - Repositories      |
| - ViewModels        |     | - Database Access   |
| - API Endpoints     |     | - File I/O          |
+---------------------+     +---------------------+
            |                           |
            |                           |
+-----------v---------+                 |
|   Application Layer |<----------------+
|---------------------|    
| - Service Classes   |   
| - Use Cases         |   
| - DTOs              |    
| - Interfaces        |    
+-----------+---------+   
            |
            |
+-----------v---------+
|      Domain Layer   |
|---------------------|
| - Entities          |
| - Business Rules    |
| - Value Objects     |
+---------------------+