Small book page 38
The replacing model(s) continues the activation using the using any general AP the replaced model(s)s had remaining.
(Edit NM did not notice forming the swarm is replace and the small ones are summons. I stand corrected)
"And if you're running 3 Constructs next to Hoff (easy to do with Totem and Guardian + something else), then you only need a 7 :masks or higher to pull of Override Edict. Sure, not something to depend on every turn, but definitely worth using every time you can mange it. Getting another full round of shots out of Ryle? Yes please!"
Ryle is a perfect example of why not to do this. Instead of giving Ryle reactivate and making 3 shots give him 3 shots that have 1 more CB and Crit strike.