Make meeting lifecycle stateful

MeetingAssistant/Summary/MeetingSummaryFailureWriter.cs

@@ -10,6 +10,15 @@ public interface IMeetingSummaryFailureWriter
         MeetingSessionArtifacts artifacts,
         Exception exception,
         CancellationToken cancellationToken);
+
+    Task<MeetingSummaryRunResult> WriteAsync(
+        MeetingSessionArtifacts artifacts,
+        Exception exception,
+        MeetingAssistantOptions options,
+        CancellationToken cancellationToken)
+    {
+        return WriteAsync(artifacts, exception, cancellationToken);
+    }
 }
 
 public sealed class MeetingSummaryFailureWriter : IMeetingSummaryFailureWriter
@@ -29,6 +38,15 @@ public sealed class MeetingSummaryFailureWriter : IMeetingSummaryFailureWriter
         MeetingSessionArtifacts artifacts,
         Exception exception,
         CancellationToken cancellationToken)
+    {
+        return await WriteAsync(artifacts, exception, options, cancellationToken);
+    }
+
+    public async Task<MeetingSummaryRunResult> WriteAsync(
+        MeetingSessionArtifacts artifacts,
+        Exception exception,
+        MeetingAssistantOptions options,
+        CancellationToken cancellationToken)
     {
         Directory.CreateDirectory(Path.GetDirectoryName(artifacts.SummaryPath)!);
         var meetingNote = File.Exists(artifacts.MeetingNotePath)
@@ -43,7 +61,7 @@ public sealed class MeetingSummaryFailureWriter : IMeetingSummaryFailureWriter
             artifacts.SummaryPath,
             MeetingArtifactFrontmatterRenderer.Render(
                 frontmatter,
-                RenderFailureMarkdown(artifacts, exception)),
+                RenderFailureMarkdown(artifacts, exception, options)),
             cancellationToken);
 
         return new MeetingSummaryRunResult(
@@ -53,7 +71,10 @@ public sealed class MeetingSummaryFailureWriter : IMeetingSummaryFailureWriter
             Error: exception.Message);
     }
 
-    private string RenderFailureMarkdown(MeetingSessionArtifacts artifacts, Exception exception)
+    private static string RenderFailureMarkdown(
+        MeetingSessionArtifacts artifacts,
+        Exception exception,
+        MeetingAssistantOptions options)
     {
         var builder = new StringBuilder();
         builder.AppendLine("# Meeting Summary");