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/ModelComparisonJudgeReasoning.razor.cs

@@ -0,0 +1,46 @@
+using AIStudio.Components;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Assistants.ModelComparison;
+
+/// <summary>
+/// Why the judge chose so, in justified paragraphs with hyphenation.
+/// </summary>
+/// <remarks>
+/// The judge writes its line breaks itself, and they belong to it. MudJustifiedText sets the style of its own, so
+/// that it cannot keep line breaks with white-space: pre-wrap; every line of the reasoning becomes a paragraph instead.
+/// </remarks>
+public partial class ModelComparisonJudgeReasoning : MSGComponentBase
+{
+    /// <summary>
+    /// Gets or sets the reasoning of the judge.
+    /// </summary>
+    [Parameter, EditorRequired]
+    public string Reasoning { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The paragraphs of the reasoning shown, without empty lines.
+    /// </summary>
+    private string[] paragraphs = [];
+
+    /// <summary>
+    /// The reasoning which paragraphs was built from.
+    /// </summary>
+    private string? shownReasoning;
+
+    #region Overrides of ComponentBase
+
+    protected override void OnParametersSet()
+    {
+        if (!string.Equals(this.shownReasoning, this.Reasoning, StringComparison.Ordinal))
+        {
+            this.shownReasoning = this.Reasoning;
+            this.paragraphs = this.Reasoning.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+        }
+
+        base.OnParametersSet();
+    }
+
+    #endregion
+}