Added results and exports to the BeyondFacts Lab (#1184)

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

@@ -0,0 +1,50 @@
+using AIStudio.Chat;
+using AIStudio.Provider;
+
+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.
+/// </summary>
+/// <remarks>
+/// The copy carries the system prompt and the messages of the conversation, so the model knows all the step knows.
+/// The lab never stores it, and the conversation itself stays as it is.
+/// </remarks>
+public static class BflHiddenRequest
+{
+    /// <summary>
+    /// Sends a request in the hidden copy of a conversation and waits for the whole answer.
+    /// </summary>
+    /// <param name="hidden">The hidden copy of the conversation, 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, 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)
+    {
+        var request = new ContentText { Text = text };
+        hidden.Blocks.Add(new ContentBlock
+        {
+            Time = DateTimeOffset.Now,
+            ContentType = ContentType.TEXT,
+            Role = ChatRole.USER,
+            Content = request,
+            HideFromUser = true
+        });
+
+        var answer = new ContentText { InitialRemoteWait = true };
+        hidden.Blocks.Add(new ContentBlock
+        {
+            Time = DateTimeOffset.Now,
+            ContentType = ContentType.TEXT,
+            Role = ChatRole.AI,
+            Content = answer,
+            HideFromUser = true
+        });
+
+        await answer.CreateFromProviderAsync(provider.CreateProvider(), provider.Model, request, BflConversationService.WithImages(hidden, images), token);
+        return answer.Text;
+    }
+}