Add recess quarrels, rare yard and gym fights, and apologies.

Bullies remember a victim by a trait field, a defender can join, staff break up a fight with a reprimand, and skip empty time clears leftover clashes so they cannot last forever.

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

src/HSchool.Simulation/School.cs

@@ -136,6 +136,8 @@ public sealed class School : IDisposable
 
     internal Dictionary<string, string> TalkCircleByPerson { get; } = new(StringComparer.Ordinal);
 
+    internal Dictionary<string, ApologyDebt> ApologyDebts { get; } = new(StringComparer.Ordinal);
+
     internal void ResetDayLog()
     {
         _dayLog.Clear();
@@ -260,6 +262,7 @@ public sealed class School : IDisposable
 
         var before = Clock.Time;
         Clock.JumpTo(next.Value);
+        TalkCircleSystem.AbandonAll(this);
         ResetDayLog();
         var peopleChanged = TryYearlyIntake(before, next.Value);
         peopleChanged |= TryApplicantRefresh();
@@ -494,3 +497,5 @@ public readonly record struct SkipEmptyResult(SkipEmptyError Error, DateTime? Ti
 
     public static SkipEmptyResult Fail(SkipEmptyError error) => new(error, null, false);
 }
+
+internal readonly record struct ApologyDebt(string FromId, string ToId, int Baseline, int Lost);