- Updated FCM alert notifications documentation to include handling of multiple route numbers.
- Enhanced Telegram cancellation import logic to support multiple route numbers, ensuring correct notifications are sent for all directions.
- Modified frontend components to allow selection of multiple route numbers for alerts, improving user experience.
- Implemented backend migration to add `route_numbers` column to alerts and adjusted related database constraints.
- Introduced new utility functions for normalizing and validating route numbers in alert processing.
Zakhar Timoshenko
c0d40f9b90