Use consistent meeting artifact filenames

MeetingAssistant/MeetingNotes/MarkdownMeetingNoteStore.cs

@@ -35,7 +35,7 @@ public sealed class MarkdownMeetingNoteStore : IMeetingNoteStore
         Directory.CreateDirectory(folder);
 
         var path = string.IsNullOrWhiteSpace(note.Path)
-            ? Path.Combine(folder, $"{DateTimeOffset.Now:yyyyMMdd-HHmmss-fffffff}-{Slugify(note.Frontmatter.Title)}.md")
+            ? Path.Combine(folder, MeetingArtifactFileNames.Create(note.Frontmatter.StartTime ?? DateTimeOffset.Now, MeetingArtifactFileNames.Note))
             : note.Path;
         var frontmatter = PrepareFrontmatter(note.Frontmatter, path);
         var content = Render(frontmatter, note.UserNotes);
@@ -108,16 +108,6 @@ public sealed class MarkdownMeetingNoteStore : IMeetingNoteStore
         return string.Join(Environment.NewLine, lines);
     }
 
-    private static string Slugify(string value)
-    {
-        var slug = new string(value
-            .ToLowerInvariant()
-            .Select(character => char.IsLetterOrDigit(character) ? character : '-')
-            .ToArray());
-        slug = string.Join("-", slug.Split('-', StringSplitOptions.RemoveEmptyEntries));
-        return string.IsNullOrWhiteSpace(slug) ? "meeting" : slug;
-    }
-
     private static string EscapeScalar(string value)
     {
         return string.IsNullOrWhiteSpace(value) ? "\"\"" : EscapeListItem(value);

MeetingAssistant/MeetingNotes/MeetingArtifactFileNames.cs

@@ -0,0 +1,14 @@
+namespace MeetingAssistant.MeetingNotes;
+
+public static class MeetingArtifactFileNames
+{
+    public const string Note = "note";
+    public const string Context = "context";
+    public const string Transcript = "transcript";
+    public const string Summary = "summary";
+
+    public static string Create(DateTimeOffset startedAt, string artifactType)
+    {
+        return $"{startedAt:yyyyMMdd-HHmm}-{artifactType}.md";
+    }
+}

MeetingAssistant/Recording/ITranscriptStore.cs

@@ -9,10 +9,8 @@ public interface ITranscriptStore
 
     Task<TranscriptSession> CreateSessionAsync(
         MeetingAssistantOptions options,
-        CancellationToken cancellationToken)
-    {
-        return CreateSessionAsync(cancellationToken);
-    }
+        DateTimeOffset startedAt,
+        CancellationToken cancellationToken);
 
     Task AppendAsync(TranscriptSession session, TranscriptionSegment segment, CancellationToken cancellationToken)
     {

MeetingAssistant/Recording/MeetingRecordingCoordinator.cs

@@ -156,9 +156,9 @@ public sealed class MeetingRecordingCoordinator
 
             var launchProfile = ResolveProfile(launchProfileName);
             var runOptions = launchProfile.Options;
-            currentSession = await transcriptStore.CreateSessionAsync(runOptions, cancellationToken);
-            var recordedAudio = await recordedAudioStore.CreateSessionAsync(runOptions, cancellationToken);
             var startedAt = inactivityClock.Now;
+            currentSession = await transcriptStore.CreateSessionAsync(runOptions, startedAt, cancellationToken);
+            var recordedAudio = await recordedAudioStore.CreateSessionAsync(runOptions, cancellationToken);
             var assistantContextPath = GetAssistantContextPath(startedAt, runOptions);
             var summaryPath = GetSummaryPath(startedAt, runOptions);
             currentMeetingNote = await meetingNoteStore.SaveAsync(
@@ -1491,12 +1491,12 @@ public sealed class MeetingRecordingCoordinator
 
     private string GetAssistantContextPath(DateTimeOffset startedAt, MeetingAssistantOptions runOptions)
     {
-        return GetMeetingArtifactPath(runOptions.Vault, runOptions.Vault.AssistantContextFolder, startedAt, "assistant-context");
+        return GetMeetingArtifactPath(runOptions.Vault, runOptions.Vault.AssistantContextFolder, startedAt, MeetingArtifactFileNames.Context);
     }
 
     private string GetSummaryPath(DateTimeOffset startedAt, MeetingAssistantOptions runOptions)
     {
-        return GetMeetingArtifactPath(runOptions.Vault, runOptions.Vault.SummariesFolder, startedAt, "summary");
+        return GetMeetingArtifactPath(runOptions.Vault, runOptions.Vault.SummariesFolder, startedAt, MeetingArtifactFileNames.Summary);
     }
 
     private static string GetMeetingArtifactPath(
@@ -1506,7 +1506,7 @@ public sealed class MeetingRecordingCoordinator
         string artifactName)
     {
         var folder = VaultPath.Resolve(vault, configuredFolder);
-        return Path.Combine(folder, $"{startedAt:yyyyMMdd-HHmm}-{artifactName}.md");
+        return Path.Combine(folder, MeetingArtifactFileNames.Create(startedAt, artifactName));
     }
 
     private static bool ShouldAbortRunOnStop(RecordingRun run, DateTimeOffset stoppedAt)

MeetingAssistant/Recording/VaultTranscriptStore.cs

@@ -17,17 +17,18 @@ public sealed class VaultTranscriptStore : ITranscriptStore
 
     public async Task<TranscriptSession> CreateSessionAsync(CancellationToken cancellationToken)
     {
-        return await CreateSessionAsync(options, cancellationToken);
+        return await CreateSessionAsync(options, DateTimeOffset.Now, cancellationToken);
     }
 
     public async Task<TranscriptSession> CreateSessionAsync(
         MeetingAssistantOptions options,
+        DateTimeOffset startedAt,
         CancellationToken cancellationToken)
     {
         var folder = VaultPath.Resolve(options.Vault, options.Vault.TranscriptsFolder);
         Directory.CreateDirectory(folder);
 
-        var fileName = $"{DateTimeOffset.Now:yyyyMMdd-HHmmss-fffffff}-transcript.md";
+        var fileName = MeetingArtifactFileNames.Create(startedAt, MeetingArtifactFileNames.Transcript);
         var path = Path.Combine(folder, fileName);
         await File.WriteAllTextAsync(path, $"# Meeting Transcript{Environment.NewLine}{Environment.NewLine}", cancellationToken);
         logger.LogInformation("Created meeting transcript file {TranscriptPath}", path);