Show detailed grade breakdown in student transcript

src/Jiaowu.Api/Controllers/GradesController.cs

@@ -989,6 +989,18 @@ public sealed class GradesController(
                 CourseCode = x.GradeSheet.TeachingTask.Course!.Code,
                 CourseName = x.GradeSheet.TeachingTask.Course.Name,
                 x.GradeSheet.TeachingTask.Course.Credits,
+                x.RegularScore,
+                x.GradeSheet.RegularWeight,
+                ItemScores = x.ItemScores
+                    .OrderBy(itemScore => itemScore.GradeItem!.SortOrder)
+                    .Select(itemScore => new
+                    {
+                        itemScore.GradeItem!.Name,
+                        itemScore.GradeItem!.Weight,
+                        itemScore.Score
+                    }),
+                x.FinalScore,
+                x.GradeSheet.FinalWeight,
                 x.TotalScore,
                 x.GradePoint,
                 x.ExamStatus,