Added the BeyondFacts Lab as a prototype (#1175)

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

@@ -0,0 +1,23 @@
+namespace AIStudio.Assistants.BeyondFactsLab;
+
+/// <summary>
+/// A preparation in the list of the BeyondFacts Lab, also when it cannot be opened.
+/// </summary>
+/// <param name="ProjectId">The ID of the preparation.</param>
+/// <param name="Name">The name to show; empty when even the name cannot be read.</param>
+/// <param name="ModifiedAtUtc">When the preparation was changed last.</param>
+/// <param name="Status">Whether the preparation can be opened.</param>
+/// <param name="Project">The preparation, when it can be opened.</param>
+public sealed record BflProjectEntry(Guid ProjectId, string Name, DateTimeOffset ModifiedAtUtc, BflProjectLoadStatus Status, BflProject? Project)
+{
+    /// <summary>
+    /// Gets whether the preparation can be opened.
+    /// </summary>
+    public bool IsAvailable => this.Status is BflProjectLoadStatus.AVAILABLE && this.Project is not null;
+
+    /// <summary>
+    /// Creates the entry of a preparation which can be opened.
+    /// </summary>
+    /// <param name="project">The preparation.</param>
+    public static BflProjectEntry FromProject(BflProject project) => new(project.ProjectId, project.Name, project.ModifiedAtUtc, BflProjectLoadStatus.AVAILABLE, project);
+}