feat: auth screen with auto-redirect, sync favorites/history with backend

app/src/main/java/com/radiola/domain/usecase/GetNowPlayingUseCase.kt

@@ -8,7 +8,7 @@ import javax.inject.Inject
 class GetNowPlayingUseCase @Inject constructor(
     private val nowPlayingRepository: NowPlayingRepository
 ) {
-    operator fun invoke(stationPrefix: String): Flow<Track?> {
-        return nowPlayingRepository.getNowPlaying(stationPrefix)
+    operator fun invoke(stationId: Int): Flow<Track?> {
+        return nowPlayingRepository.getNowPlaying(stationId)
     }
 }