- Add cabinClass state with type 'economy' | 'business' | 'first' (default: economy)
- Add showCabinDropdown state to control visibility
- Add cabin-class-dropdown button to toggle visibility
- Add cabin-economy, cabin-business, cabin-first selection buttons
- Add cabin-class-display div showing selected cabin class
- Pass cabinClass in handleSearch callback
- Update RouteFilterProps with initialCabinClass prop
- Add SCSS styling for cabin class dropdown and options
- Integrate into OnlineBoardFilter to pass initialCabinClass
- Integrate into OnlineBoardSearchPage to decode cabinClass from URL params
gnezim
e426317eef