Added the Model Comparison assistant for blind comparisons of two models (#1009)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Assistants/ModelComparison/ModelComparisonAccess.cs

@@ -0,0 +1,24 @@
+using AIStudio.Settings;
+
+using ComponentKind = AIStudio.Tools.Components;
+
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// Decides whether the pages of the Model Comparison assistant may be opened.
+/// </summary>
+/// <remarks>
+/// An organization can hide the assistant like any other. The tile asks the same question; the pages which do not
+/// inherit AssistantBase ask here, because somebody might reach them without the tile, e.g., from a link or the
+/// browser history.
+/// </remarks>
+public static class ModelComparisonAccess
+{
+    /// <summary>
+    /// Checks whether the Model Comparison assistant may be opened with the given settings.
+    /// </summary>
+    /// <param name="settingsManager">The settings to check.</param>
+    /// <param name="assistantName">The name of the assistant for the log; without one, nothing gets logged.</param>
+    /// <returns>True, when no configuration hides the assistant.</returns>
+    public static bool CanOpen(SettingsManager settingsManager, string assistantName = "") => settingsManager.IsAssistantVisible(ComponentKind.MODEL_COMPARISON_ASSISTANT, assistantName: assistantName);
+}