Added research on the web to the BeyondFacts Lab (#1186)

app/MindWork AI Studio/Assistants/BeyondFactsLab/BflHiddenRequest.cs

@@ -5,7 +5,7 @@ namespace AIStudio.Assistants.BeyondFactsLab;
 
 /// <summary>
 /// Sends a request which the person never sees, in a hidden copy of a conversation of the lab, e.g., for a work state
-/// or a result.
+/// or a result, or in a hidden chat of its own, e.g., for a research agent.
 /// </summary>
 /// <remarks>
 /// The copy carries the system prompt and the messages of the conversation, so the model knows all the step knows.
@@ -22,7 +22,18 @@ public static class BflHiddenRequest
     /// <param name="images">The images of the material, which go along with the first message.</param>
     /// <param name="token">The cancellation token.</param>
     /// <returns>The answer, empty when the provider failed.</returns>
-    public static async Task<string> AskAsync(ChatThread hidden, AIStudio.Settings.Provider provider, string text, IReadOnlyList<FileAttachmentImage> images, CancellationToken token)
+    public static async Task<string> AskAsync(ChatThread hidden, AIStudio.Settings.Provider provider, string text, IReadOnlyList<FileAttachmentImage> images, CancellationToken token) => (await AskForAnswerAsync(hidden, provider, text, images, token)).Text;
+
+    /// <summary>
+    /// Sends a request in a hidden chat and waits for the whole answer, together with what the tools did meanwhile.
+    /// </summary>
+    /// <param name="hidden">The hidden chat, which keeps the request and the answer.</param>
+    /// <param name="provider">The provider which answers.</param>
+    /// <param name="text">The request.</param>
+    /// <param name="images">The images of the material, which go along with the first message.</param>
+    /// <param name="token">The cancellation token.</param>
+    /// <returns>The answer with the calls of the tools and their sources; its text is empty when the provider failed.</returns>
+    public static async Task<ContentText> AskForAnswerAsync(ChatThread hidden, AIStudio.Settings.Provider provider, string text, IReadOnlyList<FileAttachmentImage> images, CancellationToken token)
     {
         var request = new ContentText { Text = text };
         hidden.Blocks.Add(new ContentBlock
@@ -45,6 +56,6 @@ public static class BflHiddenRequest
         });
 
         await answer.CreateFromProviderAsync(provider.CreateProvider(), provider.Model, request, BflConversationService.WithImages(hidden, images), token);
-        return answer.Text;
+        return answer;
     }
 }