Allowed the web page retrieval to read text content such as JSON

app/MindWork AI Studio/Tools/Web/RetrievedWebPage.cs

@@ -2,10 +2,24 @@ using AIStudio.Provider;
 
 namespace AIStudio.Tools.Web;
 
+/// <summary>
+/// A web page or text document as the retrieval service read it.
+/// </summary>
+/// <remarks>
+/// Nothing here is filtered for prompt injections yet. Everything a caller hands on to a model
+/// has to go through the WebPageContentSanitizer or the PromptInjectionGuardService first, after
+/// it was cut down to what the model actually gets: only that part needs checking, and a page
+/// can be far larger.
+/// </remarks>
 public sealed class RetrievedWebPage
 {
     public required HTMLParserWebPage Page { get; init; }
 
+    /// <summary>
+    /// Whether the content was extracted from an HTML page or is the text of a document.
+    /// </summary>
+    public required WebContentKind ContentKind { get; init; }
+
     public required ExtractedWebPage ExtractedPage { get; init; }
 
     public required DateTimeOffset RetrievedAtUtc { get; init; }