Responses to your suggestions:
- I can't really do anything about the aura at the moment due to it not showing in the unit/model's data, but for now, It shouldn't be too much of a problem due to killing the sturm officer by ANY means necessary will retreat the entire assault.
-I'll bring the reload down to 6 minutes (360 seconds - half of the real-life reload time) instead of 480 seconds.
-Just buffed the Knight's Cross Holders' 'Grenade Assault' ability so that there's more damage per grenade to make it equivalent to the Assault Grenadiers' version.
-I probably won't be giving them voice lines mostly because of the voice lines being a bit too specific for me to hand them over, so I'd just leave that to Relic if this was ever implemented.
-Working on it.
-For some reason, the Wehrmacht weapons are invisible on OKW units, so I'll probably keep the Arty officer model for now, once again, a more combat ready model would probably be something for Relic if this was implemented.
^^^(Added in Update)^^^