use Whisper in streaming mode

Assets/_PROJECT/Scripts/ModeGeneration/TrellisClient.cs

@@ -94,6 +94,7 @@ public class TrellisClient : MonoBehaviour
         {
             downloadResponse.EnsureSuccessStatusCode();
             var bytes = await downloadResponse.Content.ReadAsByteArrayAsync();
+            Debug.Log($"Downloaded {bytes.Length} bytes");
             return bytes;
         }
     }