Extended the "2 → 4 → 8 → 16 → 32" visual to the full doubling
2→4→8→16→32→64→128→256 (510 positions), keeping the 30-position first
milestone in the caption. Matrix is now data-driven (data-n) with
icons capped at 12 + a "+" for deeper generations so 256 stays compact;
compact icon styling + horizontal scroll safety.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>