Fix workflow rule validation logging

MeetingAssistant/Workflow/MeetingWorkflowEngine.cs

@@ -53,8 +53,8 @@ public sealed class MeetingWorkflowEngine : IMeetingWorkflowEngine
         "state.from",
         "state.to",
         "speaker.name",
-        "transcript.line",
-        "transcript.speaker"
+        MeetingWorkflowRuleSchema.PropertyTranscriptLine,
+        MeetingWorkflowRuleSchema.ParameterTranscriptSpeaker
     ];
 
     private readonly IMeetingWorkflowRulesProvider rulesProvider;
@@ -277,22 +277,22 @@ public sealed class MeetingWorkflowEngine : IMeetingWorkflowEngine
         var value = await RenderValueAsync(step.Value ?? "", model);
         switch (step.Uses.Trim().ToLowerInvariant())
         {
-            case "add_attendee":
+            case MeetingWorkflowRuleSchema.StepAddAttendee:
                 return AddUnique(meeting.Frontmatter.Attendees, value, MeetingAttendeeNames.NormalizeDisplayName);
-            case "remove_attendee":
+            case MeetingWorkflowRuleSchema.StepRemoveAttendee:
                 return RemoveValue(meeting.Frontmatter.Attendees, value);
-            case "add_project":
+            case MeetingWorkflowRuleSchema.StepAddProject:
                 return AddUnique(meeting.Frontmatter.Projects, value, static project => project.Trim());
-            case "add_context":
+            case MeetingWorkflowRuleSchema.StepAddContext:
                 await meetingArtifactStore.AppendAssistantContextAsync(
                     context.Event.Artifacts,
                     value,
                     cancellationToken);
                 return false;
-            case "set_property" when IsTranscriptLineProperty(step.Property ?? step.Name):
+            case MeetingWorkflowRuleSchema.StepSetProperty when IsTranscriptLineProperty(step.Property ?? step.Name):
                 SetTranscriptLine(context, value);
                 return false;
-            case "set_property":
+            case MeetingWorkflowRuleSchema.StepSetProperty:
                 return SetProperty(meeting, step.Property ?? step.Name, value);
             default:
                 throw new InvalidOperationException($"Unknown meeting workflow step '{step.Uses}'.");
@@ -312,7 +312,7 @@ public sealed class MeetingWorkflowEngine : IMeetingWorkflowEngine
         string value)
     {
         var normalized = property?.Trim().ToLowerInvariant();
-        if (normalized is "title" or "meeting.title")
+        if (normalized is MeetingWorkflowRuleSchema.PropertyTitle or MeetingWorkflowRuleSchema.PropertyMeetingTitle)
         {
             if (string.Equals(meeting.Frontmatter.Title, value, StringComparison.Ordinal))
             {
@@ -345,7 +345,7 @@ public sealed class MeetingWorkflowEngine : IMeetingWorkflowEngine
 
     private static bool IsTranscriptLineProperty(string? property)
     {
-        return string.Equals(property?.Trim(), "transcript.line", StringComparison.OrdinalIgnoreCase);
+        return MeetingWorkflowRuleSchema.IsProperty(property, MeetingWorkflowRuleSchema.PropertyTranscriptLine);
     }
 
     private static bool AddUnique(
@@ -428,8 +428,8 @@ public sealed class MeetingWorkflowEngine : IMeetingWorkflowEngine
             ["state.from"] = workflowEvent.FromState is { } from ? MeetingWorkflowStateNames.ToRuleName(from) : "",
             ["state.to"] = workflowEvent.ToState is { } to ? MeetingWorkflowStateNames.ToRuleName(to) : "",
             ["speaker.name"] = workflowEvent.SpeakerName,
-            ["transcript.line"] = context.TranscriptLine ?? "",
-            ["transcript.speaker"] = workflowEvent.SpeakerName ?? ""
+            [MeetingWorkflowRuleSchema.PropertyTranscriptLine] = context.TranscriptLine ?? "",
+            [MeetingWorkflowRuleSchema.ParameterTranscriptSpeaker] = workflowEvent.SpeakerName ?? ""
         };
     }