Remember recent quarrels, fights and reprimands on the person.

Short offense list for the pupil card and save, capped by BehaviorDef — not a discipline score.

docs/phases/12-office/69-offense-memory.md

@@ -10,20 +10,20 @@
 
 ## Задачи
 
-- [ ] На человеке разреженный список проступков: вид, игровое время (или день+слот), опционально
+- [x] На человеке разреженный список проступков: вид, игровое время (или день+слот), опционально
       второй участник
-- [ ] Потолок длины и какие факты пишут — поля `BehaviorDef` / данные `core`, не константы в UI
-- [ ] Писать при ссоре, драке, выговоре (обрыв драки сотрудником); старые вытесняются
-- [ ] Сейв вместе с человеком; ноль записей не хранить раздуто
-- [ ] Карточка ученика показывает несколько последних (HTTP через мейлбокс)
-- [ ] Строки видов через локаль мода / `t(...)` по договорённости фазы; обе локали клиента для UI
+- [x] Потолок длины и какие факты пишут — поля `BehaviorDef` / данные `core`, не константы в UI
+- [x] Писать при ссоре, драке, выговоре (обрыв драки сотрудником); старые вытесняются
+- [x] Сейв вместе с человеком; ноль записей не хранить раздуто
+- [x] Карточка ученика показывает несколько последних (HTTP через мейлбокс)
+- [x] Строки видов через локаль мода / `t(...)` по договорённости фазы; обе локали клиента для UI
 
 ## Тесты, без которых фаза не закрыта
 
-- [ ] Драка с выговором добавляет запись жертве и/или задире по правилам фазы
-- [ ] Сверх потолка старая запись исчезает
-- [ ] Список переживает сейв
-- [ ] Карточка отдает тот же порядок, что в мире (не клиентская фантазия)
+- [x] Драка с выговором добавляет запись жертве и/или задире по правилам фазы
+- [x] Сверх потолка старая запись исчезает
+- [x] Список переживает сейв
+- [x] Карточка отдает тот же порядок, что в мире (не клиентская фантазия)
 
 ## Критерий готовности
 

docs/protocol.md

@@ -365,6 +365,12 @@ When a school was created with a pack that ships orientations, the card also car
 pack those fields are null or empty — the client hides the sympathy column. The client does not
 compute thresholds. There is no school-wide opinions endpoint.
 
+`offenses` is the short recent-misconduct list on the person (quarrel / fight / reprimand). Same
+order as in the world and in `people.json`. Each row has `kind`, `kindLabel` (mod locale),
+`time` (UTC game clock), and optional `otherPersonId` / `otherFullName`. Empty is `[]`. Ceiling
+and which kinds write live on `BehaviorDef` (`offenseMemoryMax`, `offenseMemoryKinds`), not in
+the client. HTTP JSON is additive — no protocol version bump.
+
 ```json
 {
   "id": "f0.c0",
@@ -420,6 +426,15 @@ compute thresholds. There is no school-wide opinions endpoint.
   "hasCustom": false,
   "hasFullBody": false,
   "customPortraitPrompt": null,
+  "offenses": [
+    {
+      "kind": "fight",
+      "kindLabel": "драка",
+      "time": "2012-04-03T11:20:00Z",
+      "otherPersonId": "f0.c1",
+      "otherFullName": "Иванов Кирилл Петрович"
+    }
+  ],
   "connections": {
     "family": {
       "parents": [

src/HSchool.Client/src/i18n/strings.ts

@@ -232,6 +232,9 @@ const ru = {
   peopleLogTime: 'Время',
   peopleLogEvent: 'Событие',
   peopleLogEmpty: 'Сегодня записей нет.',
+  peopleOffenses: 'Проступки',
+  peopleOffensesEmpty: 'Недавних проступков нет.',
+  peopleOffenseWith: '{kind} · {other}',
 
   peoplePortraitAvatar: 'Аватар',
   peoplePortraitFull: 'В полный рост',
@@ -626,6 +629,9 @@ const en: Messages = {
   peopleLogTime: 'Time',
   peopleLogEvent: 'Event',
   peopleLogEmpty: 'Nothing logged today.',
+  peopleOffenses: 'Misconduct',
+  peopleOffensesEmpty: 'No recent misconduct.',
+  peopleOffenseWith: '{kind} · {other}',
 
   peoplePortraitAvatar: 'Avatar',
   peoplePortraitFull: 'Full body',

src/HSchool.Client/src/net/api.ts

@@ -355,6 +355,16 @@ export interface PersonCard {
   readonly customPortraitPrompt: string | null;
   readonly connections: PersonConnections | null;
   readonly orientation?: DefLabel | null;
+  /** Recent misconduct from the person save — same order as the world list. */
+  readonly offenses?: readonly OffenseEntry[] | null;
+}
+
+export interface OffenseEntry {
+  readonly kind: string;
+  readonly kindLabel: string;
+  readonly time: string;
+  readonly otherPersonId: string | null;
+  readonly otherFullName: string | null;
 }
 
 export interface WornItem {

src/HSchool.Client/src/style.css

@@ -812,6 +812,30 @@ body {
   color: var(--text-muted);
 }
 
+.people__offenses {
+  margin: 12px 0 0;
+}
+
+.people__offense-list {
+  list-style: none;
+  margin: 6px 0 0;
+  padding: 0;
+  display: grid;
+  gap: 4px;
+}
+
+.people__offense {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px 12px;
+  font-size: 0.9rem;
+}
+
+.people__offense-when {
+  color: var(--text-muted);
+  white-space: nowrap;
+}
+
 .people__tabs {
   display: flex;
   flex-wrap: wrap;

src/HSchool.Client/src/ui/personCard.test.ts

@@ -380,4 +380,38 @@ describe('renderPersonCard', () => {
       t('locationTalking', { partners: 'Петрова Маша', topic: t('talkTopicTopicSport') }),
     );
   });
+
+  it('shows misconduct from the card on the Now tab without inventing order', () => {
+    setLocale('ru');
+    const root = document.createElement('div');
+    renderPersonCard(
+      root,
+      card({
+        offenses: [
+          {
+            kind: 'quarrel',
+            kindLabel: 'ссора',
+            time: '2012-04-03T10:00:00Z',
+            otherPersonId: 'f0.c1',
+            otherFullName: 'Иванов Кирилл',
+          },
+          {
+            kind: 'fight',
+            kindLabel: 'драка',
+            time: '2012-04-03T11:00:00Z',
+            otherPersonId: 'f0.c1',
+            otherFullName: 'Иванов Кирилл',
+          },
+        ],
+      }),
+      () => {},
+      options({ tab: 'now', log: logPage() }),
+    );
+
+    const items = [...root.querySelectorAll('.people__offense-event')].map((node) => node.textContent ?? '');
+    expect(root.textContent).toContain(t('peopleOffenses'));
+    expect(items).toHaveLength(2);
+    expect(items[0]).toContain('ссора');
+    expect(items[1]).toContain('драка');
+  });
 });

src/HSchool.Client/src/ui/personCard.ts

@@ -150,7 +150,9 @@ export function renderPersonCard(
 
     const log = panels.now.querySelector('.people__log, .people__log-tools');
     if (next !== 'now' && log !== null) {
-      for (const node of [...panels.now.querySelectorAll('.people__log, .people__log-tools, .people__pager, .panel__empty')]) {
+      for (const node of [
+        ...panels.now.querySelectorAll('.people__log, .people__log-tools, .people__pager, .people__log-empty'),
+      ]) {
         node.remove();
       }
     }

src/HSchool.Client/src/ui/personCardNow.ts

@@ -1,5 +1,5 @@
-import type { PersonCard, PersonLogPage } from '../net/api.ts';
-import { formatGameTimeOfDay } from '../format/gameTime.ts';
+import type { OffenseEntry, PersonCard, PersonLogPage } from '../net/api.ts';
+import { formatGameDate, formatGameTimeOfDay } from '../format/gameTime.ts';
 import { talkCircleText } from '../format/talkCircle.ts';
 import { t } from '../i18n/strings.ts';
 import { el } from './dom.ts';
@@ -39,6 +39,8 @@ export function fillNow(
     parent.append(el('p', { class: 'people__now-activity', text: activity }));
   }
 
+  parent.append(offensesBlock(card.offenses ?? []));
+
   if (log === null || log === undefined) {
     return;
   }
@@ -75,7 +77,7 @@ export function fillNow(
   if (log.entries.length === 0) {
     parent.append(
       el('div', { class: 'people__log-tools' }, search, dir),
-      el('p', { class: 'panel__empty', text: t('peopleLogEmpty') }),
+      el('p', { class: 'panel__empty people__log-empty', text: t('peopleLogEmpty') }),
     );
     return;
   }
@@ -118,3 +120,37 @@ export function fillNow(
     ),
   );
 }
+
+function offensesBlock(offenses: readonly OffenseEntry[]): HTMLElement {
+  const wrap = el('div', { class: 'people__offenses' });
+  wrap.append(el('h4', { class: 'people__section-title', text: t('peopleOffenses') }));
+  if (offenses.length === 0) {
+    wrap.append(el('p', { class: 'panel__empty', text: t('peopleOffensesEmpty') }));
+    return wrap;
+  }
+
+  const list = el('ul', { class: 'people__offense-list' });
+  for (const row of offenses) {
+    const when = formatOffenseWhen(row.time);
+    const event =
+      row.otherFullName !== null && row.otherFullName.length > 0
+        ? t('peopleOffenseWith', { kind: row.kindLabel, other: row.otherFullName })
+        : row.kindLabel;
+    list.append(
+      el(
+        'li',
+        { class: 'people__offense' },
+        el('span', { class: 'people__offense-when', text: when }),
+        el('span', { class: 'people__offense-event', text: event }),
+      ),
+    );
+  }
+
+  wrap.append(list);
+  return wrap;
+}
+
+function formatOffenseWhen(iso: string): string {
+  const date = new Date(iso);
+  return `${formatGameDate(date)} ${formatGameTimeOfDay(date)}`;
+}

src/HSchool.Content/PeopleDefValidator.cs

@@ -652,6 +652,19 @@ internal static class PeopleDefValidator
         {
             throw new ContentLoadException($"BehaviorDef '{behavior.DefName}' apologyRestoreFraction must be 0–1.");
         }
+
+        if (behavior.OffenseMemoryMax < 0)
+        {
+            throw new ContentLoadException($"BehaviorDef '{behavior.DefName}' offenseMemoryMax cannot be negative.");
+        }
+
+        foreach (var kind in behavior.OffenseMemoryKinds)
+        {
+            if (string.IsNullOrWhiteSpace(kind))
+            {
+                throw new ContentLoadException($"BehaviorDef '{behavior.DefName}' offenseMemoryKinds cannot contain empty ids.");
+            }
+        }
     }
 
     private static void ValidateTopic(TopicDef topic, DefCatalog catalog)

src/HSchool.Content/PeopleDefs.cs

@@ -566,6 +566,24 @@ public sealed class BehaviorDef : Def
     /// <summary>Opinion of the victim at or above this — a third person may join the quarrel.</summary>
     public int DefendOpinionMin { get; init; } = 40;
 
+    /// <summary>
+    /// How many recent misconduct rows a person keeps. Oldest drop first. Zero disables the list.
+    /// </summary>
+    public int OffenseMemoryMax { get; init; } = 5;
+
+    /// <summary>
+    /// Kind ids that may be appended (<c>quarrel</c>, <c>fight</c>, <c>reprimand</c>, …).
+    /// Empty falls back to <see cref="DefaultOffenseMemoryKinds"/>.
+    /// </summary>
+    public IReadOnlyList<string> OffenseMemoryKinds { get; init; } = DefaultOffenseMemoryKinds;
+
+    public static IReadOnlyList<string> DefaultOffenseMemoryKinds { get; } =
+    [
+        "quarrel",
+        "fight",
+        "reprimand",
+    ];
+
     public static IReadOnlyList<OpinionBand> DefaultOpinionBands { get; } =
     [
         new() { Min = 70, Id = "OpinionCloseFriend" },

src/HSchool.People/OffenseMemory.cs

@@ -0,0 +1,103 @@
+using System.Text.Json.Serialization;
+using HSchool.Content;
+
+namespace HSchool.People;
+
+/// <summary>Stable kind ids written into <see cref="OffenseRecord.Kind"/> and listed on <see cref="BehaviorDef.OffenseMemoryKinds"/>.</summary>
+public static class OffenseKinds
+{
+    public const string Quarrel = "quarrel";
+
+    public const string Fight = "fight";
+
+    public const string Reprimand = "reprimand";
+
+    public static string LocaleKey(string kind) => kind switch
+    {
+        Quarrel => "OffenseQuarrel",
+        Fight => "OffenseFight",
+        Reprimand => "OffenseReprimand",
+        _ => "Offense" + char.ToUpperInvariant(kind[0]) + kind[1..],
+    };
+}
+
+/// <summary>One remembered misconduct. Sparse list on the person — not a discipline score.</summary>
+public sealed class OffenseRecord
+{
+    public required string Kind { get; init; }
+
+    public required DateTime Time { get; init; }
+
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? OtherPersonId { get; init; }
+}
+
+/// <summary>Appends recent offenses and drops the oldest when over the BehaviorDef ceiling.</summary>
+public static class OffenseMemory
+{
+    public static bool IsEnabled(string kind, BehaviorDef rules)
+    {
+        foreach (var allowed in rules.OffenseMemoryKinds)
+        {
+            if (allowed.Equals(kind, StringComparison.Ordinal))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public static bool Record(Person person, string kind, DateTime time, string? otherPersonId, BehaviorDef rules)
+    {
+        ArgumentNullException.ThrowIfNull(person);
+        ArgumentNullException.ThrowIfNull(rules);
+        ArgumentException.ThrowIfNullOrWhiteSpace(kind);
+
+        if (rules.OffenseMemoryMax <= 0 || !IsEnabled(kind, rules))
+        {
+            return false;
+        }
+
+        var list = person.Offenses;
+        if (list is null)
+        {
+            list = [];
+            person.Offenses = list;
+        }
+
+        list.Add(new OffenseRecord
+        {
+            Kind = kind,
+            Time = DateTime.SpecifyKind(time, DateTimeKind.Utc),
+            OtherPersonId = string.IsNullOrWhiteSpace(otherPersonId) ? null : otherPersonId,
+        });
+
+        while (list.Count > rules.OffenseMemoryMax)
+        {
+            list.RemoveAt(0);
+        }
+
+        return true;
+    }
+
+    public static string? OtherParticipant(string personId, string? victimId, IReadOnlyList<string> members)
+    {
+        if (victimId is not null
+            && !victimId.Equals(personId, StringComparison.Ordinal)
+            && members.Contains(victimId, StringComparer.Ordinal))
+        {
+            return victimId;
+        }
+
+        foreach (var member in members)
+        {
+            if (!member.Equals(personId, StringComparison.Ordinal))
+            {
+                return member;
+            }
+        }
+
+        return null;
+    }
+}

src/HSchool.People/Roster.cs

@@ -69,6 +69,12 @@ public sealed record Person
     /// </summary>
     public string? BullyVictimId { get; set; }
 
+    /// <summary>
+    /// Recent misconduct (quarrel / fight / reprimand). Null when empty so people.json stays compact.
+    /// Ceiling and which kinds write live on <c>BehaviorDef</c>.
+    /// </summary>
+    public List<OffenseRecord>? Offenses { get; set; }
+
     public int AgeOn(DateTime asOf) => SchoolYears.AgeYears(BirthDate, asOf);
 }
 

src/HSchool.Server/Api/PeopleModels.cs

@@ -85,7 +85,15 @@ internal sealed record PersonCardResponse(
     PersonConnectionsResponse? Connections = null,
     DefLabelResponse? Orientation = null,
     IReadOnlyList<string>? TalkCircleMemberIds = null,
-    string? TalkTopicId = null);
+    string? TalkTopicId = null,
+    IReadOnlyList<OffenseEntryResponse>? Offenses = null);
+
+internal sealed record OffenseEntryResponse(
+    string Kind,
+    string KindLabel,
+    DateTime Time,
+    string? OtherPersonId,
+    string? OtherFullName);
 
 
 internal sealed record WornItemResponse(

src/HSchool.Server/Game/PersonCardReader.cs

@@ -98,7 +98,49 @@ internal static partial class PersonCardReader
             Connections: Connections(roster, person, catalog, locale),
             Orientation: OrientationOf(person, catalog, locale),
             TalkCircleMemberIds: circle?.MemberIds ?? [],
-            TalkTopicId: circle?.TopicId);
+            TalkTopicId: circle?.TopicId,
+            Offenses: Offenses(roster, person, catalog, locale));
+    }
+
+    private static IReadOnlyList<OffenseEntryResponse> Offenses(
+        Roster roster,
+        Person person,
+        DefCatalog? catalog,
+        string locale)
+    {
+        var rows = person.Offenses;
+        if (rows is null || rows.Count == 0)
+        {
+            return [];
+        }
+
+        var byId = roster.People.ToDictionary(candidate => candidate.Id, StringComparer.Ordinal);
+        var result = new OffenseEntryResponse[rows.Count];
+        for (var i = 0; i < rows.Count; i++)
+        {
+            var row = rows[i];
+            string? otherName = null;
+            if (row.OtherPersonId is { } otherId && byId.TryGetValue(otherId, out var other))
+            {
+                otherName = other.Name.Full;
+            }
+
+            var label = KindLabel(catalog, locale, row.Kind);
+            result[i] = new OffenseEntryResponse(row.Kind, label, row.Time, row.OtherPersonId, otherName);
+        }
+
+        return result;
+    }
+
+    private static string KindLabel(DefCatalog? catalog, string locale, string kind)
+    {
+        var key = OffenseKinds.LocaleKey(kind);
+        if (catalog is not null && catalog.HasText(locale, key))
+        {
+            return catalog.Text(locale, key);
+        }
+
+        return kind;
     }
 
     private static IReadOnlyDictionary<string, float>? LiveNeeds(World world, string personId)

src/HSchool.Server/mods/core/defs/behavior/rules.jsonc

@@ -96,4 +96,7 @@
     "fightOpinionShift": -16,
     "apologyRestoreFraction": 0.5,
     "defendOpinionMin": 40,
+    // Short misconduct list on the person (slice 12 phase 69). Not a 0…100 score.
+    "offenseMemoryMax": 5,
+    "offenseMemoryKinds": ["quarrel", "fight", "reprimand"],
 }

src/HSchool.Server/mods/core/localizations/en.jsonc

@@ -208,6 +208,9 @@
   "Fought": "fought",
   "Apologized": "apologized",
   "Reprimanded": "reprimanded",
+  "OffenseQuarrel": "quarrel",
+  "OffenseFight": "fight",
+  "OffenseReprimand": "reprimand",
   "TopicStudy": "schoolwork",
   "TopicGames": "games",
   "TopicFood": "food",

src/HSchool.Server/mods/core/localizations/ru.jsonc

@@ -208,6 +208,9 @@
   "Fought": "дрались",
   "Apologized": "извинился",
   "Reprimanded": "выговор",
+  "OffenseQuarrel": "ссора",
+  "OffenseFight": "драка",
+  "OffenseReprimand": "выговор",
   "TopicStudy": "учёбе",
   "TopicGames": "играх",
   "TopicFood": "еде",

src/HSchool.Simulation/TalkCircleSystem.cs

@@ -997,6 +997,7 @@ internal static class TalkCircleSystem
                 ? Conflict.FightOpinionDelta(rules)
                 : Conflict.QuarrelOpinionDelta(rules);
             ApplyClash(school, circle, people, action, delta);
+            RecordConflictOffenses(school, circle, people, rules, reprimanded);
             if (reprimanded)
             {
                 foreach (var person in people)
@@ -1020,6 +1021,31 @@ internal static class TalkCircleSystem
         school.RosterTalkDirty = true;
     }
 
+    private static void RecordConflictOffenses(
+        School school,
+        ActiveTalkCircle circle,
+        IReadOnlyList<Person> people,
+        BehaviorDef? rules,
+        bool reprimanded)
+    {
+        if (rules is null)
+        {
+            return;
+        }
+
+        var kind = TalkActions.IsFight(circle.ActionId) ? OffenseKinds.Fight : OffenseKinds.Quarrel;
+        var time = school.Clock.Time;
+        foreach (var person in people)
+        {
+            var other = OffenseMemory.OtherParticipant(person.Id, circle.VictimId, circle.Members);
+            OffenseMemory.Record(person, kind, time, other, rules);
+            if (reprimanded)
+            {
+                OffenseMemory.Record(person, OffenseKinds.Reprimand, time, other, rules);
+            }
+        }
+    }
+
     private static void ApplyClash(
         School school,
         ActiveTalkCircle circle,

tests/HSchool.People.Tests/OffenseMemoryTests.cs

@@ -0,0 +1,118 @@
+using HSchool.Content;
+
+namespace HSchool.People.Tests;
+
+public class OffenseMemoryTests
+{
+    [Fact]
+    public void OverCeiling_DropsTheOldest()
+    {
+        var person = Blank("a");
+        var rules = Rules(max: 2);
+        var t0 = new DateTime(2012, 4, 3, 10, 0, 0, DateTimeKind.Utc);
+        Assert.True(OffenseMemory.Record(person, OffenseKinds.Quarrel, t0, "b", rules));
+        Assert.True(OffenseMemory.Record(person, OffenseKinds.Fight, t0.AddMinutes(1), "b", rules));
+        Assert.True(OffenseMemory.Record(person, OffenseKinds.Reprimand, t0.AddMinutes(2), "b", rules));
+
+        Assert.Equal(2, person.Offenses!.Count);
+        Assert.Equal(OffenseKinds.Fight, person.Offenses[0].Kind);
+        Assert.Equal(OffenseKinds.Reprimand, person.Offenses[1].Kind);
+    }
+
+    [Fact]
+    public void DisabledKind_DoesNotWrite()
+    {
+        var person = Blank("a");
+        var rules = new BehaviorDef
+        {
+            DefName = "Behavior",
+            OffenseMemoryMax = 5,
+            OffenseMemoryKinds = [OffenseKinds.Fight],
+        };
+        Assert.False(OffenseMemory.Record(
+            person,
+            OffenseKinds.Quarrel,
+            new DateTime(2012, 4, 3, 10, 0, 0, DateTimeKind.Utc),
+            "b",
+            rules));
+        Assert.Null(person.Offenses);
+    }
+
+    [Fact]
+    public void RosterJson_RoundTripsOffenses_AndOmitsEmpty()
+    {
+        var roster = Fixtures.Generate(Fixtures.Classrooms(4));
+        var pupil = roster.People.First(person => person.IsStudent && !person.IsParent);
+        var other = roster.People.First(person =>
+            person.IsStudent && !person.Id.Equals(pupil.Id, StringComparison.Ordinal));
+        var time = new DateTime(2012, 4, 3, 11, 20, 0, DateTimeKind.Utc);
+        OffenseMemory.Record(pupil, OffenseKinds.Fight, time, other.Id, Rules(max: 5));
+
+        var json = RosterJson.Serialize(RosterDocument.From(1, roster));
+        Assert.Contains("\"offenses\"", json, StringComparison.Ordinal);
+        Assert.Contains("\"kind\": \"fight\"", json, StringComparison.Ordinal);
+
+        var without = roster.People.First(person => person.Offenses is null || person.Offenses.Count == 0);
+        var withoutSlice = PersonJsonSlice(json, without.Id);
+        Assert.DoesNotContain("\"offenses\"", withoutSlice, StringComparison.Ordinal);
+
+        var loaded = RosterJson.Parse(json).ToRoster();
+        var loadedPupil = loaded.People.First(person => person.Id.Equals(pupil.Id, StringComparison.Ordinal));
+        Assert.NotNull(loadedPupil.Offenses);
+        Assert.Single(loadedPupil.Offenses!);
+        Assert.Equal(OffenseKinds.Fight, loadedPupil.Offenses[0].Kind);
+        Assert.Equal(other.Id, loadedPupil.Offenses[0].OtherPersonId);
+        Assert.Equal(time, loadedPupil.Offenses[0].Time);
+    }
+
+    private static string PersonJsonSlice(string json, string personId)
+    {
+        var marker = $"\"id\": \"{personId}\"";
+        var start = json.IndexOf(marker, StringComparison.Ordinal);
+        Assert.True(start >= 0);
+        var end = json.IndexOf("},", start, StringComparison.Ordinal);
+        if (end < 0)
+        {
+            end = json.Length;
+        }
+
+        return json[start..end];
+    }
+
+    private static BehaviorDef Rules(int max) => new()
+    {
+        DefName = "Behavior",
+        OffenseMemoryMax = max,
+        OffenseMemoryKinds = BehaviorDef.DefaultOffenseMemoryKinds,
+    };
+
+    private static Person Blank(string id)
+    {
+        var cases = new CaseTable
+        {
+            Nom = id,
+            Gen = id,
+            Dat = id,
+            Acc = id,
+            Ins = id,
+            Pre = id,
+        };
+        return new Person
+        {
+            Id = id,
+            FamilyId = "f",
+            Female = false,
+            BirthDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc),
+            Name = new PersonName(id, id, id, cases, cases, cases),
+            IsStudent = true,
+            IsStaff = false,
+            IsParent = false,
+            Numbers = new Dictionary<string, int>(StringComparer.Ordinal),
+            Choices = new Dictionary<string, string>(StringComparer.Ordinal),
+            Skills = new Dictionary<string, int>(StringComparer.Ordinal),
+            Traits = [],
+            Needs = new Dictionary<string, float>(StringComparer.Ordinal),
+            Opinions = new Dictionary<string, int>(StringComparer.Ordinal),
+        };
+    }
+}

tests/HSchool.Server.Tests/HSchool.Server.Tests.csproj

@@ -22,4 +22,11 @@
     <Using Include="Xunit" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Content Include="..\..\src\HSchool.Server\mods\core\**\*">
+      <Link>vanilla\%(RecursiveDir)%(Filename)%(Extension)</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
 </Project>

tests/HSchool.Server.Tests/PersonCardReaderOffensesTests.cs

@@ -0,0 +1,69 @@
+using HSchool.Content;
+using HSchool.People;
+using HSchool.Server.Game;
+using HSchool.Simulation;
+
+namespace HSchool.Server.Tests;
+
+public class PersonCardReaderOffensesTests
+{
+    private static readonly DateTime Start = new(2012, 4, 3, 9, 0, 0, DateTimeKind.Utc);
+
+    [Fact]
+    public void Card_ReturnsOffensesInSameOrderAsPerson()
+    {
+        var (catalog, map) = Vanilla();
+        var roster = RosterGenerator.Generate(catalog, map, schoolSeed: 42, "Russia", Start);
+        var pupil = roster.People.First(person => person.IsStudent && !person.IsParent);
+        var other = roster.People.First(person =>
+            person.IsStudent && !person.Id.Equals(pupil.Id, StringComparison.Ordinal));
+        var t0 = new DateTime(2012, 4, 3, 10, 0, 0, DateTimeKind.Utc);
+        var rules = catalog.BehaviorRules!;
+        OffenseMemory.Record(pupil, OffenseKinds.Quarrel, t0, other.Id, rules);
+        OffenseMemory.Record(pupil, OffenseKinds.Fight, t0.AddMinutes(5), other.Id, rules);
+
+        var school = School.Create(42, "OffensesCard", Start, catalog, map);
+        using (school)
+        {
+            school.InstallPeople(roster, 42, "Russia", ApplicantPool.Empty);
+            var card = PersonCardReader.Read(school, pupil.Id, "ru");
+            Assert.NotNull(card);
+            Assert.NotNull(card!.Offenses);
+            Assert.Equal(2, card.Offenses!.Count);
+            Assert.Equal(
+                pupil.Offenses!.Select(row => row.Kind).ToArray(),
+                card.Offenses.Select(row => row.Kind).ToArray());
+            Assert.Equal(OffenseKinds.Quarrel, card.Offenses[0].Kind);
+            Assert.Equal("ссора", card.Offenses[0].KindLabel);
+            Assert.Equal(other.Id, card.Offenses[0].OtherPersonId);
+            Assert.Equal(other.Name.Full, card.Offenses[0].OtherFullName);
+            Assert.Equal(OffenseKinds.Fight, card.Offenses[1].Kind);
+            Assert.Equal("драка", card.Offenses[1].KindLabel);
+        }
+    }
+
+    private static (DefCatalog Catalog, MapLayout Map) Vanilla()
+    {
+        var root = Path.Combine(AppContext.BaseDirectory, "vanilla");
+        Assert.True(Directory.Exists(root), $"Vanilla pack missing at {root}.");
+        var documents = new List<ContentDocument>();
+        foreach (var path in Directory.EnumerateFiles(root, "*.*", SearchOption.AllDirectories))
+        {
+            if (!path.EndsWith(".jsonc", StringComparison.OrdinalIgnoreCase)
+                && !path.EndsWith(".json", StringComparison.OrdinalIgnoreCase))
+            {
+                continue;
+            }
+
+            documents.Add(new ContentDocument(
+                CatalogLoader.CorePackId,
+                Path.GetRelativePath(root, path).Replace('\\', '/'),
+                File.ReadAllText(path)));
+        }
+
+        var catalog = new CatalogLoader().Load([CatalogLoader.CorePackId], documents);
+        var map = CatalogLoader.LastDefaultMap([CatalogLoader.CorePackId], documents);
+        Assert.NotNull(map);
+        return (catalog, map);
+    }
+}

tests/HSchool.Simulation.Tests/OffenseMemorySimulationTests.cs

@@ -0,0 +1,198 @@
+using Arch.Core;
+using HSchool.Ai;
+using HSchool.Content;
+using HSchool.People;
+using HSchool.Simulation;
+
+namespace HSchool.Simulation.Tests;
+
+public class OffenseMemorySimulationTests
+{
+    private static readonly DateTime TuesdayMorning = new(2012, 4, 3, 6, 0, 0, DateTimeKind.Utc);
+
+    [Fact]
+    public void FightBrokenByStaff_AddsFightAndReprimandToBothPupils()
+    {
+        var (school, first, second, staffId) = TwoPupilsAndStaffOnBreak();
+        using (school)
+        {
+            OpinionStore.Set(first, second.Id, -55);
+            OpinionStore.Set(second, first.Id, -55);
+            PlaceAt(school, first.Id, "yard");
+            PlaceAt(school, second.Id, "yard");
+            PlaceAt(school, staffId, "yard");
+
+            Assert.True(school.TryStartAction(first.Id, TalkActions.Fight));
+            PlaceAt(school, staffId, "yard");
+            TalkCircleSystem.Apply(school, 1d);
+
+            first = school.Roster!.People.First(person => person.Id == first.Id);
+            second = school.Roster.People.First(person => person.Id == second.Id);
+            AssertFightAndReprimand(first, second.Id);
+            AssertFightAndReprimand(second, first.Id);
+        }
+    }
+
+    [Fact]
+    public void OverCeiling_InWorld_DropsOldestAfterRepeatedFights()
+    {
+        var (school, first, second) = TwoPupilsOnBreak();
+        using (school)
+        {
+            var rules = school.Catalog!.BehaviorRules!;
+            var max = rules.OffenseMemoryMax;
+            Assert.True(max > 0);
+
+            for (var i = 0; i < max + 1; i++)
+            {
+                OpinionStore.Set(first, second.Id, -55);
+                OpinionStore.Set(second, first.Id, -55);
+                PlaceAt(school, first.Id, "yard");
+                PlaceAt(school, second.Id, "yard");
+                Assert.True(school.TryStartAction(first.Id, TalkActions.Fight));
+                TickWhile(school, personId => TalkActions.IsFight(ActivityOf(school, personId)), first.Id, second.Id);
+                first = school.Roster!.People.First(person => person.Id == first.Id);
+                second = school.Roster.People.First(person => person.Id == second.Id);
+            }
+
+            Assert.NotNull(first.Offenses);
+            Assert.Equal(max, first.Offenses!.Count);
+            Assert.All(first.Offenses, row => Assert.Equal(OffenseKinds.Fight, row.Kind));
+        }
+    }
+
+    private static void AssertFightAndReprimand(Person person, string otherId)
+    {
+        Assert.NotNull(person.Offenses);
+        Assert.Contains(
+            person.Offenses!,
+            row => row.Kind == OffenseKinds.Fight && row.OtherPersonId == otherId);
+        Assert.Contains(
+            person.Offenses!,
+            row => row.Kind == OffenseKinds.Reprimand && row.OtherPersonId == otherId);
+    }
+
+    private static (School School, Person First, Person Second) TwoPupilsOnBreak()
+    {
+        var (catalog, map) = Vanilla();
+        var school = OpenSchool(catalog, map, seed: 42, TuesdayMorning, advanceToBreak: true);
+        var schoolClass = school.Roster!.Classes.First(row => row.RoomId == "classroom-101");
+        var pupils = schoolClass.PupilIds
+            .Select(id => school.Roster.People.First(person => person.Id == id))
+            .Take(2)
+            .ToArray();
+        return (school, pupils[0], pupils[1]);
+    }
+
+    private static (School School, Person First, Person Second, string StaffId) TwoPupilsAndStaffOnBreak()
+    {
+        var (school, first, second) = TwoPupilsOnBreak();
+        const float cap = 100_000f;
+        var roster = school.Roster!;
+        var pool = school.Applicants!;
+        var hired = Staffing.Hire(
+            school.Catalog!,
+            school.Map!,
+            roster,
+            pool,
+            pool.Applicants[0].Person.Id,
+            Staffing.TeacherPosition,
+            cap);
+        Assert.Equal(StaffingError.None, hired.Error);
+        school.ApplyStaffing(hired.Roster, hired.Pool);
+        first = school.Roster!.People.First(person => person.Id == first.Id);
+        second = school.Roster.People.First(person => person.Id == second.Id);
+        var staffId = school.Roster.People.First(person => person.IsStaff).Id;
+        return (school, first, second, staffId);
+    }
+
+    private static School OpenSchool(DefCatalog catalog, MapLayout map, int seed, DateTime start, bool advanceToBreak)
+    {
+        var roster = RosterGenerator.Generate(catalog, map, seed, "Russia", start);
+        var pool = ApplicantPool.Create(catalog, roster, seed, "Russia", start);
+        var schoolClass = roster.Classes.First(row => row.RoomId == "classroom-101");
+        var school = School.Create(seed, "OffenseMemory", start, catalog, map);
+        school.InstallPeople(roster, seed, "Russia", pool);
+        school.SetTimetable(new HSchool.Schedule.Timetable(
+            [
+                new HSchool.Schedule.LessonPlacement(schoolClass.Id, "Mathematics", "t1", schoolClass.RoomId, Day: 1, Period: 1),
+            ],
+            []));
+        school.ConfigurePresence(weekDays: 5, maxDecisionsPerTick: 10_000);
+        if (advanceToBreak)
+        {
+            AdvanceTo(school, new DateTime(2012, 4, 3, 9, 18, 0, DateTimeKind.Utc));
+        }
+
+        return school;
+    }
+
+    private static void AdvanceTo(School school, DateTime until)
+    {
+        while (school.Clock.Time < until)
+        {
+            school.Tick(0.2d, 5d);
+        }
+    }
+
+    private static void PlaceAt(School school, string personId, string? nodeId)
+    {
+        TalkCircleSystem.Interrupt(school, personId);
+        var query = new QueryDescription().WithAll<PersonIdentity, Presence, PersonActivity, Intent>();
+        school.World.Query(in query, (ref PersonIdentity identity, ref Presence presence, ref PersonActivity activity, ref Intent intent) =>
+        {
+            if (identity.Id.Equals(personId, StringComparison.Ordinal))
+            {
+                presence = nodeId is null ? Presence.OffCampus : new Presence(nodeId, 0f, nodeId, false, []);
+                activity = PersonActivity.Idle;
+                intent = Intent.None;
+            }
+        });
+    }
+
+    private static void TickWhile(School school, Func<string, bool> stillGoing, params string[] personIds)
+    {
+        for (var i = 0; i < 12 && personIds.Any(stillGoing); i++)
+        {
+            school.Tick(0.2d, 5d);
+        }
+    }
+
+    private static string? ActivityOf(School school, string personId)
+    {
+        string? found = null;
+        var query = new QueryDescription().WithAll<PersonIdentity, PersonActivity>();
+        school.World.Query(in query, (ref PersonIdentity identity, ref PersonActivity activity) =>
+        {
+            if (identity.Id.Equals(personId, StringComparison.Ordinal) && activity.IsActive)
+            {
+                found = activity.ActionId;
+            }
+        });
+        return found;
+    }
+
+    private static (DefCatalog Catalog, MapLayout Map) Vanilla()
+    {
+        var root = Path.Combine(AppContext.BaseDirectory, "vanilla");
+        var documents = new List<ContentDocument>();
+        foreach (var path in Directory.EnumerateFiles(root, "*.*", SearchOption.AllDirectories))
+        {
+            if (!path.EndsWith(".jsonc", StringComparison.OrdinalIgnoreCase)
+                && !path.EndsWith(".json", StringComparison.OrdinalIgnoreCase))
+            {
+                continue;
+            }
+
+            documents.Add(new ContentDocument(
+                CatalogLoader.CorePackId,
+                Path.GetRelativePath(root, path).Replace('\\', '/'),
+                File.ReadAllText(path)));
+        }
+
+        var catalog = new CatalogLoader().Load([CatalogLoader.CorePackId], documents);
+        var map = CatalogLoader.LastDefaultMap([CatalogLoader.CorePackId], documents);
+        Assert.NotNull(map);
+        return (catalog, map);
+    }
+}