Living Word AI Mode Toggle — Phase F
Acceptance spec for the player + classroom AI Mode toggle. Default OFF — all scene NPCs respond from scripted dialogue (drawn from character bibles) + RAG into scripture, no live LLM. Opt-in ON — a new Scribe character appears as the live-LLM conversational surface. Honors founder decision F1 (anti-AI Christians/families/churches need an opt-out) locked 2026-05-24.