Added an introduction and an onboarding chat to the BeyondFacts Lab (#1178)

app/MindWork AI Studio/Tools/Services/StoredChatLocation.cs

@@ -4,13 +4,13 @@ namespace AIStudio.Tools.Services;
 
 /// <summary>
 /// Where the cleanup of the provenance store at the start finds a chat: in a workspace, among the temporary chats,
-/// or in a preparation of the BeyondFacts Lab.
+/// or in the BeyondFacts Lab.
 /// </summary>
 /// <remarks>
 /// Create it with InWorkspace or InLab.
 /// </remarks>
 /// <param name="WorkspaceId">The workspace of a chat outside the lab, Guid.Empty for a temporary chat.</param>
-/// <param name="LabThread">The step of the preparation a chat of the lab belongs to, or null for any other chat.</param>
+/// <param name="LabThread">Where a chat of the lab belongs, or null for any other chat.</param>
 public readonly record struct StoredChatLocation(Guid WorkspaceId, BflThreadLocation? LabThread)
 {
     /// <summary>
@@ -22,6 +22,6 @@ public readonly record struct StoredChatLocation(Guid WorkspaceId, BflThreadLoca
     /// <summary>
     /// Gets the place of a chat of the BeyondFacts Lab.
     /// </summary>
-    /// <param name="thread">The step of the preparation the chat belongs to.</param>
+    /// <param name="thread">Where the chat belongs in the lab.</param>
     public static StoredChatLocation InLab(BflThreadLocation thread) => new(Guid.Empty, thread);
 }