- Add AvailableBetModel with is_active and sort_order fields
- Create Migration_023_AddAvailableBetsTable with default betting options
- Add API endpoints for CRUD operations on available bets
- Update extraction page UI with add/delete functionality
- Update JavaScript to load from available_bets table instead of hardcoded outcomes
- Add modal dialog for adding new bet options
- Add delete buttons to each bet item in the UI