add comments

src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs

@@ -75,6 +75,9 @@ public class RoleDialogModel : ITrackableMessage
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public RichContent<IRichMessage>? RichContent { get; set; }
 
+    /// <summary>
+    /// Rich content for secondary language
+    /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public RichContent<IRichMessage>? SecondaryRichContent { get; set; }
 
@@ -86,6 +89,9 @@ public class RoleDialogModel : ITrackableMessage
 
     public FunctionCallFromLlm Instruction { get; set; }
 
+    /// <summary>
+    /// Files to be used in conversation
+    /// </summary>
     public List<BotSharpFile> Files { get; set; } = new List<BotSharpFile>();
 
     /// <summary>
@@ -94,7 +100,14 @@ public class RoleDialogModel : ITrackableMessage
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     [JsonPropertyName("generated_images")]
     public List<ImageGeneration> GeneratedImages { get; set; } = new List<ImageGeneration>();
+
+    /// <summary>
+    /// Knowledge confidence
+    /// </summary>
+    [JsonPropertyName("knowledge_confidence")]
     public float KnowledgeConfidence { get; set; } = 0.5f;
+
+
     private RoleDialogModel()
     {
     }