1. I wasn't implying the Assault Carriers were stealthed, only that they could act as a tender for Commando ships that were.
2. The Assault Carriers would be a large lone symbol of Empire, primarily deployed well within the borders of the Imperium, where they wouldn't expect to meet anything that could seriously damage it beyond warships that rebels could get hold off, and then their function is both an intelligence gatherer, tripwire and early warning. If possible, preemptive strike.
3. If deployed to a war zone, it would stay behind the lines for rear area security, or a base for interdiction and siege operations.
4. It would be the command ship of a task group, which would comprise of sufficient escorts to deal with anything below cruiser class.
5. A stealthed planetoid variant I would call the Lilypad class, pre-positioned in more active subsectors.
6. I hadn't touched on the courier/payload aspect as part of a multi-role Scout, since the Navy would have their preferred transports.
7. What concerned me was more tactical reconnaissance.