12 TDD tasks proving the vertical slice end-to-end on the AFTERIMAGE pilot:
scaffold, store, clock, timeline/drift, dice core, Year-Zero rule-pack,
scenario validator+data, formatting, <director-rail>, <dice-tray>, <gm-shell>,
and the offline PWA (manifest + service worker).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
