If a question from a non-cardbox quiz requires a cardbox update, the front end will submit the question to the back end twice -- once in the real quiz, and a second time as a cardbox quiz answer to update cardbox. This should be able to be done in one submit.
If a question from a non-cardbox quiz requires a cardbox update, the front end will submit the question to the back end twice -- once in the real quiz, and a second time as a cardbox quiz answer to update cardbox. This should be able to be done in one submit.
See quiz.js to change the behavior.
Related to #91 but not necessarily a blocker.