Archive completed meeting assistant changes

MeetingAssistant/Recording/FileOfflineTranscriptionBacklog.cs

@@ -66,32 +66,22 @@ public sealed class FileOfflineTranscriptionBacklog : IOfflineTranscriptionBackl
         return items;
     }
 
-    public async Task CompleteAsync(string id, CancellationToken cancellationToken)
+    public Task CompleteAsync(OfflineTranscriptionBacklogItem item, CancellationToken cancellationToken)
     {
         var folder = GetBacklogFolder(options);
-        var path = GetItemPath(folder, id);
+        var path = GetItemPath(folder, item.Id);
         if (!File.Exists(path))
         {
-            return;
-        }
-
-        OfflineTranscriptionBacklogItem? item = null;
-        try
-        {
-            item = JsonSerializer.Deserialize<OfflineTranscriptionBacklogItem>(
-                await File.ReadAllTextAsync(path, cancellationToken),
-                JsonOptions);
-        }
-        catch (JsonException exception)
-        {
-            logger.LogWarning(exception, "Could not read completed offline transcription backlog item {BacklogItemPath}", path);
+            return Task.CompletedTask;
         }
 
         File.Delete(path);
-        if (item is not null && File.Exists(item.AudioPath))
+        if (File.Exists(item.AudioPath))
         {
             DeleteCompletedAudio(item.AudioPath);
         }
+
+        return Task.CompletedTask;
     }
 
     private static string GetBacklogFolder(MeetingAssistantOptions options)