Added right-click repairs and Alt queues

I made engineering work follow the normal selection and command controls. Left-click selects an engineer, right-click assigns a repair, and Alt-right-click appends another repair to the queue.

This keeps an existing job in progress while letting the player plan the next damaged structure. The native orders retain their target identities, so queuing a second repair does not replace the first.

“Engineers select with left-click, repair with right-click and append work with Alt-right-click.”

The clips use initialized damaged processors and the real right-click and Alt-right-click commands. Native order evidence records the active target and queued target; the footage is a controlled repair assignment, not a battle-damage sequence.