Offline-first PWA (Web Components) with an always-on Director Rail (pacing co-pilot), one animated dice engine + system rule-packs, offline NPC/art generators, and a per-scenario data model as source of truth. Sliced roadmap; Slice 1 = shell + rail + data model + Year-Zero dice, proven on AFTERIMAGE. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>