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/ModelComparisonSeriesVerdict.razor.cs

@@ -0,0 +1,68 @@
+using AIStudio.Components;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// What the judge of a comparison series said about a decided task, or why it said nothing.
+/// </summary>
+/// <remarks>
+/// Shown only after the decision of the user, so that the judge cannot anchor it. The judge names the chats as the
+/// user saw them, "Chat 1" and "Chat 2", never a model.
+/// </remarks>
+public partial class ModelComparisonSeriesVerdict : MSGComponentBase
+{
+    /// <summary>
+    /// Gets or sets the decided task.
+    /// </summary>
+    [Parameter, EditorRequired]
+    public ModelComparisonSeriesTask SeriesTask { get; set; } = null!;
+
+    /// <summary>
+    /// Gets or sets the number of the task in its series, from 1.
+    /// </summary>
+    [Parameter, EditorRequired]
+    public int TaskNumber { get; set; }
+
+    /// <summary>
+    /// Gets or sets whether the judge reads the chats of the task right now.
+    /// </summary>
+    [Parameter]
+    public bool IsJudging { get; set; }
+
+    /// <summary>
+    /// Gets or sets what happens when the user asks the judge again, e.g., after a judge without a usable verdict.
+    /// </summary>
+    [Parameter]
+    public EventCallback AskJudge { get; set; }
+
+    /// <summary>
+    /// Names the chat the judge preferred, and says whether that matches the decision of the user.
+    /// </summary>
+    private string VerdictText
+    {
+        get
+        {
+            var vote = this.SeriesTask.Vote;
+            if (this.SeriesTask.JudgeChoice is not { } judgeChoice)
+                return string.Empty;
+
+            if (judgeChoice is ModelComparisonModelChoice.TIE)
+                return vote is ModelComparisonModelChoice.TIE
+                    ? TA("The judge found both chats equally helpful, as you did.")
+                    : TA("The judge found both chats equally helpful, while you preferred one of them.");
+
+            var chatNumber = this.SeriesTask.ChatNumberOf(judgeChoice);
+            var text = vote switch
+            {
+                ModelComparisonModelChoice.TIE => TA("The judge preferred chat {0}, while you found both chats equally helpful."),
+                { } chosen when chosen == judgeChoice => TA("The judge preferred chat {0}, as you did."),
+
+                _ => TA("The judge preferred chat {0}, while you preferred the other one."),
+            };
+
+            return string.Format(ModelComparisonFormat.Culture, text, chatNumber);
+        }
+    }
+}