Make meeting lifecycle stateful

MeetingAssistant/Transcription/IDictationWordStore.cs

@@ -4,5 +4,20 @@ public interface IDictationWordStore
 {
     Task<IReadOnlyList<string>> ReadWordsAsync(CancellationToken cancellationToken);
 
+    Task<IReadOnlyList<string>> ReadWordsAsync(
+        MeetingAssistantOptions options,
+        CancellationToken cancellationToken)
+    {
+        return ReadWordsAsync(cancellationToken);
+    }
+
     Task<IReadOnlyList<string>> AddWordAsync(string word, CancellationToken cancellationToken);
+
+    Task<IReadOnlyList<string>> AddWordAsync(
+        string word,
+        MeetingAssistantOptions options,
+        CancellationToken cancellationToken)
+    {
+        return AddWordAsync(word, cancellationToken);
+    }
 }