Viv Language Reference, 20: Runtime model

https://viv.sifty.studio/reference/language/20-runtime-model/

Action targeting by role casting with backtracking over shuffled casting pools; knowledge manager forms memories for present characters with per-character salience and associations, relays knowledge of past actions cast in new actions or inscribed in items, and fades memories below a salience threshold; causal links recorded from action roles, reactions, knowledge relaying, inscription, and forced causes, with direct causes and transitive ancestors stored per action.

Story sifting with causal bookkeeping