- Move feature-defaults-section.tsx into feature-defaults/
- Move keyboard-shortcuts-section.tsx into keyboard-shortcuts/
- Move kanban-display-section.tsx into kanban-display/
- Move danger-zone-section.tsx into danger-zone/
- Update settings-view.tsx to import from new locations
- Update type imports in kanban-display and danger-zone to ../types
- All TypeScript diagnostics passing
- Git preserves file history with rename detection