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/ModelComparisonModelStanding.cs

@@ -0,0 +1,33 @@
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// How a model did across all stored comparisons against any other model: by the votes of the user, or by the
+/// verdicts of a judge.
+/// </summary>
+public sealed record ModelComparisonModelStanding
+{
+    /// <summary>
+    /// The model, with the name it had in its latest comparison.
+    /// </summary>
+    public required ModelComparisonModelIdentity Model { get; init; }
+
+    /// <summary>
+    /// How many runs the model won.
+    /// </summary>
+    public int Wins { get; init; }
+
+    /// <summary>
+    /// How many runs the model lost.
+    /// </summary>
+    public int Losses { get; init; }
+
+    /// <summary>
+    /// How many runs ended in a tie.
+    /// </summary>
+    public int Ties { get; init; }
+
+    /// <summary>
+    /// The share of the decided runs which the model won, with how sure that share is.
+    /// </summary>
+    public ModelComparisonWinShare WinShare => ModelComparisonWinShare.Of(this.Wins, this.Losses);
+}