In Post 3, the behavioral difference tracked the memory graph, not the substrate. When I swapped one individual's learned associations into an identical brain, the subject did not just get confused. It went below chance, scoring 0.17 on the six-cue, three-action task, actively steered toward another individual's answers. In an isolated sandbox that is a curiosity. In any real system where an agent's behavior is reinstated from an external, writable memory, it is a vulnerability. The structural i...