Refactor Flip Mode parameter type in `WMeterRsltItemSpec` to `Quantity.String` for consistency. Add `SetTestModeOpto7Str` alias to improve readability and replace legacy A0 test mode reference in `iPerlCommunicationParams`.
Add support for Flip Mode configuration in iPerl: Implement `SetFlipMode` functionality in `OptoHeadTest` and `RadioService`, integrate constants, enhance UI, and add unit and integration tests for constant/randomized flip mode settings.
Add support for reading and handling additional common parameters in OptoHeadTest. Extend RadioService and related classes with enhanced parsing and validation logic. Update UI and constants for functionality integration.