- Improve btn_registration handler to directly set state instead of creating fake callback
- Add /register command handler for registration
- Add text-based registration triggers ('регистрация', 'регистр', 'register')
- Add debug logging to handle_start to track registration status
- Ensure registration button is shown correctly for unregistered users
- Show active vs closed raffles for each login
- Display win/loss status (🏆 for winners, ✗ for non-winners)
- Limit display to 5 active + 3 closed raffles
- Update help documentation with detailed status explanation
- Add status icons (✅/⏸️) for active/inactive logins
