Resolved conflict in app/views/boards/show/_columns.html.erb by combining:
- hide-scrollbar class from main
- navigable-list controller from column-nav-keyboard
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add horizontal/vertical navigation configuration options to navigable_list controller
- Support nested navigation (columns contain lists of cards)
- Disable horizontal navigation within individual columns
- Enable horizontal navigation at the column level
- Refactor selection logic into reusable methods
This allows users to navigate between columns with left/right arrow keys
and between cards within a column using up/down arrow keys.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>