feat(models.py): add credits_spent and prompt_amount fields to UserData class
refactor(models.py): use named fields instead of indexes when loading data from database in UserData class
refactor(models.py): use named fields instead of indexes when loading data from database in load_plans method of UserData class
feat(models.py): add credits_spent and prompt_amount fields to UserData class refactor(models.py): use named fields instead of indexes when loading data from database in UserData class refactor(models.py): use named fields instead of indexes when loading data from database in load_plans method of UserData class