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/ModelComparisonBatchEntry.cs

@@ -0,0 +1,16 @@
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// One run within a batch: its own random presentation order, and what came of it.
+/// </summary>
+/// <remarks>
+/// The presentation order travels with its result because it takes both to translate a
+/// ModelComparisonVote -- the user's own vote, or the judge's -- back into a model: the
+/// same column means a different model in every run.
+/// </remarks>
+public sealed record ModelComparisonBatchEntry
+{
+    public required ModelComparisonPresentationOrder PresentationOrder { get; init; }
+
+    public required ModelComparisonRunResult Result { get; init; }
+}