Establishes the good-god/seven-demon-lords cosmology as the game's
overarching content theme, mapped onto the content schema as canon
entities, with the world-building skill updated to reconcile all future
authoring against it. Duncarrow scaffolding decoupled now, purged in a
follow-up.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HuHRPE7VfppUJEaoGBEUqZ
