feat: show the confirmed grade in the head of the child's result page

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/FamilyPlanner.Web.Client/Components/Learning/AttemptRunner.razor

@@ -29,7 +29,14 @@
     }
     else if (_attempt.Status != LearningAttemptStatus.InProgress)
     {
-        <MudText Typo="Typo.h4" HtmlTag="h1" Class="mb-2">@_attempt.SetTitle</MudText>
+        <div class="d-flex align-center flex-wrap gap-2 mb-2 fp-learning-result-head">
+            <MudText Typo="Typo.h4" HtmlTag="h1">@_attempt.SetTitle</MudText>
+            @if (_attempt.Result is { IsFinal: true, Grade: { } headGrade })
+            {
+                @* Die bestätigte Note steht schon im Kopf des Lernzettels, nicht erst in der Liste. *@
+                <MudChip T="string" Color="Color.Primary" Icon="@Icons.Material.Filled.Grade" Class="fp-learning-head-grade">@LearningFormat.Grade(headGrade)</MudChip>
+            }
+        </div>
         <AttemptResult Attempt="_attempt" />
     }
     else

tests/FamilyPlanner.Web.Tests/Learning/AttemptRunnerTests.cs

@@ -324,9 +324,24 @@ public sealed class AttemptRunnerTests : LearningTestBase
         var cut = Open(attempt);
 
         Assert.Equal("Note 1 – sehr gut", Text(cut.Find(".fp-learning-grade")));
+        Assert.Equal("Note 1 – sehr gut", Text(cut.Find(".fp-learning-result-head .fp-learning-head-grade"))); // auch im Kopf des Zettels
         Assert.Contains("Von Mama oder Papa bestätigt", cut.Find(".fp-learning-final").TextContent);
     }
 
+    [Fact]
+    public void An_unconfirmed_result_shows_no_grade_in_the_head()
+    {
+        var attempt = Attempt(LearningMode.Exam, items: [FakeLearningApi.AttemptItem(0, "Frage", feedback: new LearningItemFeedbackDto(LearningVerdict.Correct, 1, null, null, null))]) with
+        {
+            Status = LearningAttemptStatus.Submitted,
+            Result = new MyLearningResultDto(Guid.NewGuid(), 1, LearningAttemptStatus.Submitted, Start, false, 1, 1, 0, null, false),
+        };
+
+        var cut = Open(attempt);
+
+        Assert.Empty(cut.FindAll(".fp-learning-head-grade"));
+    }
+
     [Fact]
     public void Unknown_attempts_are_reported_with_a_way_back()
     {