First working interface

lib/main.dart

@@ -21,11 +21,7 @@ Future<void> main() async {
     backoffFactor: settings.reconnectBackoffFactor,
   );
   final decoder = DecoderImpl(batchInterval: settings.decoderBatchInterval);
-
-  // Native isolate decoders need an explicit start.
-  if (decoder is DecoderIsolate) {
-    await decoder.start();
-  }
+  await decoder.start();
 
   final session = SessionController(
     transport: transport,