Why are student points tracked as an integer?

[arkjedrz]

There are three types that define points: Point, Task and Prize. Why are points for student tracked based on integer then, instead of relation to those point types?

[arkjedrz]

I guess this could be simplified with Django 5.x, using https://docs.djangoproject.com/en/5.1/ref/models/fields/#django.db.models.GeneratedField