Add functional simulation question review

api/QuestionsApi/Models/ExamSimulation.cs

@@ -119,6 +119,24 @@ public class ExamSimulationReadinessResponse
     public bool HasActiveSimulation { get; set; }
 }
 
+public class CompletedExamSimulationSummary
+{
+    public string Id { get; set; } = "";
+    public DateTime CompletedUtc { get; set; }
+    public int PredictedScore { get; set; }
+    public int RangeLow { get; set; }
+    public int RangeHigh { get; set; }
+    public int Correct { get; set; }
+    public int Total { get; set; }
+    public int SeenCount { get; set; }
+}
+
+public class CompletedExamSimulationPage
+{
+    public List<CompletedExamSimulationSummary> Items { get; set; } = [];
+    public DateTime? NextBefore { get; set; }
+}
+
 public class Step3Outcome
 {
     [BsonId]

api/QuestionsApi/Models/QuestionResponse.cs

@@ -62,6 +62,24 @@ public class QuestionResponse
         };
     }
 
+    public static QuestionResponse FromModelWithChoices(
+        Question question,
+        IReadOnlyCollection<string> presentedChoiceIds,
+        int questionElo = 1000)
+    {
+        var response = FromModel(question, questionElo: questionElo, includeChoicePool: true);
+        var ids = presentedChoiceIds.ToHashSet(StringComparer.Ordinal);
+        response.Choices = presentedChoiceIds
+            .Select(id => question.Choices.FirstOrDefault(choice => choice.Id == id))
+            .Where(choice => choice is not null)
+            .Cast<QuestionChoice>()
+            .ToList();
+        response.ChoiceExplanations = response.ChoiceExplanations.Where(entry => ids.Contains(entry.Key)).ToDictionary();
+        response.WrongAnswerFollowups = response.WrongAnswerFollowups.Where(entry => ids.Contains(entry.Key)).ToDictionary();
+        response.ChoiceSelectionPercentages = response.ChoiceSelectionPercentages.Where(entry => ids.Contains(entry.Key)).ToDictionary();
+        return response;
+    }
+
     private static List<QuestionChoice> SelectLegacyChoices(Question question)
     {
         if (question.Choices.Count <= 5)