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/ModelComparisonJudgeVerdictCard.razor.cs

@@ -0,0 +1,60 @@
+using AIStudio.Components;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// What the judge said about the two answers of a run, with the names of the models. Shown only in the summary of a
+/// batch, so it cannot anchor a vote of the user; without a judge, it shows nothing.
+/// </summary>
+public partial class ModelComparisonJudgeVerdictCard : MSGComponentBase
+{
+    /// <summary>
+    /// Gets or sets the run, with the verdict of the judge.
+    /// </summary>
+    [Parameter, EditorRequired]
+    public ModelComparisonRunResult Result { get; set; } = null!;
+
+    /// <summary>
+    /// Gets or sets the model the user preferred in the run, or null without a vote.
+    /// </summary>
+    [Parameter]
+    public ModelComparisonModelChoice? VoteChoice { get; set; }
+
+    /// <summary>
+    /// Gets or sets the model the judge preferred in the run, or null without a usable verdict.
+    /// </summary>
+    [Parameter]
+    public ModelComparisonModelChoice? JudgeChoice { get; set; }
+
+    /// <summary>
+    /// Names what the judge preferred, by the name of the model, and says whether that matches the vote of the user.
+    /// </summary>
+    private string PreferenceText
+    {
+        get
+        {
+            if (this.JudgeChoice is not { } preferred)
+                return string.Empty;
+
+            if (preferred is ModelComparisonModelChoice.TIE)
+                return this.VoteChoice switch
+                {
+                    null => T("The judge saw both answers as equally good."),
+                    ModelComparisonModelChoice.TIE => TA("The judge saw both answers as equally good, matching your own vote."),
+
+                    _ => TA("The judge saw both answers as equally good, while you preferred one of them."),
+                };
+
+            var preferredName = this.Result.AnswerOf(preferred).Label;
+            return this.VoteChoice switch
+            {
+                null => string.Format(ModelComparisonFormat.Culture, T("The judge preferred {0}."), preferredName),
+                { } chosen when chosen == preferred => string.Format(ModelComparisonFormat.Culture, TA("The judge preferred {0}, matching your own vote."), preferredName),
+
+                _ => string.Format(ModelComparisonFormat.Culture, TA("The judge preferred {0}, differing from your own vote."), preferredName),
+            };
+        }
+    }
+}