# Glossary - Soul: low‑dimensional identity vector injected per block via gates/bias. - Mask: fixed subset of parameters allowed online updates (≤5%). - Fast‑Weights: session‑local associative cache in attention with decay. - EWC: Elastic Weight Consolidation penalty against an anchor checkpoint. - Orth‑grad: gradient projection to reduce interference. - Belief graph: durable commitments with contradiction checks.