Make the laptop and phone obey the same principal map: Souvie, Annie/Aster, and Vanguard are dedicated residents; Kitty, Gem, and Hal knowingly borrow Casey's UID. Their live posture is regenerated from actual credentials for every model request, outside memory, replay, and compaction.\n\nTake the lock boundary out of all of them. Casey authenticates, agents may request, and the dedicated souveraine-session principal holds the hostile pre-unlock edge with only Ambient and Revealable reach.