Review slice 9 C-D: persist clash opinions and the bully's victim.

FinishConflict never set RosterTalkDirty, so people.json skipped quarrel shifts until some other save — the same seam as the A-B talk-circle fix. First BullyVictimId write stayed in RAM only.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/HSchool.People.Tests/AffinityTests.cs

@@ -104,6 +104,24 @@ public class AffinityTests
         Assert.Equal(third.Id, left.Bonds.PartnerId);
     }
 
+    [Fact]
+    public void PupilTalkWithTeacherCrush_WritesRebuffAndDropsOpinion()
+    {
+        var catalog = Fixtures.RomanceCatalog();
+        var teacher = Staff("t", female: false, "Bisexual");
+        var pupil = Pupil("p", year: 8, age: 14, female: true, "Bisexual");
+        SetOpinion(pupil, teacher.Id, 80);
+        var roster = RosterOf(teacher, pupil, classYear: 8);
+        Affinity.Refresh(catalog, roster, AsOf);
+        Assert.Contains(teacher.Id, pupil.Bonds!.Crushes);
+        var before = OpinionStore.Get(pupil, teacher.Id) ?? 0;
+
+        var events = Affinity.RebuffTalk(catalog, roster, [pupil.Id, teacher.Id], AsOf);
+
+        Assert.Contains(events, row => row.Type == Affinity.Rebuff && row.PersonId == pupil.Id);
+        Assert.True((OpinionStore.Get(pupil, teacher.Id) ?? 0) < before);
+    }
+
     [Fact]
     public void AdjacentYearStudents_CanHaveSympathy()
     {