JUSTIFICATION.md records why v4 exists and the reasoning behind each
major design decision. DECOMPOSITION.md assigns every v3 C primitive a
fate on the 32-instruction F18-derived core.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BY9HMwK5Cetz3caBgHGyds
