Added an agent to select the appropriate data sources for any prompt (#284)

app/MindWork AI Studio/Chat/ChatThread.cs

@@ -1,3 +1,4 @@
+using AIStudio.Components;
 using AIStudio.Settings;
 using AIStudio.Settings.DataModel;
 
@@ -33,6 +34,11 @@ public sealed record ChatThread
     /// </summary>
     public DataSourceOptions DataSourceOptions { get; set; } = new();
 
+    /// <summary>
+    /// The AI-selected data sources for this chat thread.
+    /// </summary>
+    public IReadOnlyList<DataSourceAgentSelected> AISelectedDataSources { get; set; } = [];
+
     /// <summary>
     /// The name of the chat thread. Usually generated by an AI model or manually edited by the user.
     /// </summary>