It's probably working as intended. Though, if you want to be sure, you can always contact support to double check it.
Nope, thats the way artifacts work, they eat up space. Only way I could see it working is if rot tosser didn't destroy any unit it stays on the field and just takes up 1/9 slots.
Its not a good solution but there isn't a specific row or zone for artifacts so w/e
Its not a good solution but there isn't a specific row or zone for artifacts so w/e