Thomas Hallock 9ba1824226 fix(tutorial): correct column validation for bead highlights ...

Fixed bug where bead highlights were not showing in the tutorial
because column validation used incorrect minValidColumn calculation
(5 - abacusColumns) instead of checking against actual column range.

Changed from:
  if (columnIndex < minValidColumn) return

To:
  if (columnIndex < 0 || columnIndex >= abacusColumns) return

This ensures highlights work correctly regardless of abacusColumns value.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-04 18:50:35 -06:00

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fix(tutorial): correct column validation for bead highlights

2025-11-04 18:50:35 -06:00