Enhance staffing management with uncovered teacher tracking

- Updated `protocol.md` to clarify the concept of uncovered subjects and the number of additional teachers required.
- Introduced `teachersShort` property in the `StaffingSubject` interface to indicate how many more teachers are needed for a subject.
- Enhanced localization strings to reflect the new uncovered teacher information in both English and Russian.
- Updated the management panel UI to display the number of teachers short for each uncovered subject.
- Revised the `Uncovered` method in the staffing logic to return detailed information about uncovered subjects, including the shortfall of teachers.
- Added tests to validate the new uncovered teacher tracking functionality and ensure accurate reporting in the staffing API.
- Marked related tasks as complete in the documentation for the golden fixtures phase.

tests/HSchool.AppHost.Tests/GoldenSaveTests.cs

@@ -0,0 +1,100 @@
+using System.Net.Http.Json;
+using System.Text.Json;
+
+namespace HSchool.AppHost.Tests;
+
+[Collection(AppHostCollection.Name)]
+public class GoldenSaveTests(AppHostFixture fixture)
+{
+    [Fact]
+    public async Task CurrentFormatSave_LoadsTheSamePeopleAndTime()
+    {
+        using var client = fixture.App.CreateHttpClient("server");
+        await SchoolApiTests.ResetAsync(client);
+        await InstallAsync(client, "current");
+
+        var state = await SchoolApiTests.GetSchoolsAsync(client);
+        var school = Assert.Single(state.Schools);
+        Assert.Equal(1, school.Id);
+        Assert.Equal("Золотая", school.Name);
+        Assert.Equal(new DateTime(2012, 3, 31, 6, 0, 0, DateTimeKind.Utc), school.GameTime);
+        Assert.False(school.Running);
+
+        var people = await PeopleAsync(client, school.Id);
+        Assert.Equal(ExpectedNames(), people.Select(row => row.FullName).OrderBy(name => name, StringComparer.Ordinal).ToArray());
+        Assert.Contains(people, person => person.Roles.Contains("student"));
+    }
+
+    [Fact]
+    public async Task SaveWithoutNativeLanguage_LoadsWithoutReshuffling()
+    {
+        using var client = fixture.App.CreateHttpClient("server");
+        await SchoolApiTests.ResetAsync(client);
+        await InstallAsync(client, "legacy-no-native");
+
+        var state = await SchoolApiTests.GetSchoolsAsync(client);
+        var school = Assert.Single(state.Schools);
+        Assert.Equal("Золотая", school.Name);
+
+        var people = await PeopleAsync(client, school.Id);
+        Assert.Equal(ExpectedNames(), people.Select(row => row.FullName).OrderBy(name => name, StringComparer.Ordinal).ToArray());
+    }
+
+    private async Task InstallAsync(HttpClient client, string folder)
+    {
+        var directory = await SavesDirectoryAsync(client);
+        var source = Path.Combine(AppContext.BaseDirectory, "golden", folder);
+        foreach (var file in Directory.EnumerateFiles(source))
+        {
+            File.Copy(file, Path.Combine(directory, Path.GetFileName(file)), overwrite: true);
+        }
+
+        using var reload = await client.PostAsync("/api/dev/reload-schools", content: null, TestContext.Current.CancellationToken);
+        reload.EnsureSuccessStatusCode();
+    }
+
+    private static async Task<string> SavesDirectoryAsync(HttpClient client)
+    {
+        var payload = await client.GetFromJsonAsync<SavesDirectoryResponse>(
+            "/api/dev/saves-directory",
+            TestContext.Current.CancellationToken);
+        Assert.NotNull(payload);
+        Assert.False(string.IsNullOrWhiteSpace(payload.Path));
+        return payload.Path;
+    }
+
+    private static async Task<IReadOnlyList<PersonRow>> PeopleAsync(HttpClient client, int schoolId)
+    {
+        var page = await client.GetFromJsonAsync<PeoplePage>(
+            $"/api/schools/{schoolId}/people?pageSize=100",
+            TestContext.Current.CancellationToken);
+        Assert.NotNull(page);
+        return page.People
+            .OrderBy(row => row.Id, StringComparer.Ordinal)
+            .ToArray();
+    }
+
+    private static string[] ExpectedNames()
+    {
+        var json = File.ReadAllText(Path.Combine(AppContext.BaseDirectory, "golden", "current", "1.people.json"));
+        using var document = JsonDocument.Parse(json);
+        return document.RootElement.GetProperty("people")
+            .EnumerateArray()
+            .Select(person =>
+            {
+                var name = person.GetProperty("name");
+                var surname = name.GetProperty("surname").GetString() ?? "";
+                var given = name.GetProperty("given").GetString() ?? "";
+                var patronymic = name.GetProperty("patronymic").GetString() ?? "";
+                return string.Join(' ', new[] { surname, given, patronymic }.Where(part => part.Length > 0));
+            })
+            .OrderBy(full => full, StringComparer.Ordinal)
+            .ToArray();
+    }
+
+    private sealed record SavesDirectoryResponse(string Path);
+
+    private sealed record PeoplePage(IReadOnlyList<PersonRow> People);
+
+    private sealed record PersonRow(string Id, string FullName, IReadOnlyList<string> Roles);
+}

tests/HSchool.AppHost.Tests/HSchool.AppHost.Tests.csproj

@@ -26,4 +26,10 @@
     <Using Include="Xunit" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Content Include="golden\**\*">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
 </Project>

tests/HSchool.AppHost.Tests/StaffingApiTests.cs

@@ -32,7 +32,8 @@ public class StaffingApiTests(AppHostFixture fixture)
         Assert.Equal(32, staffing.Applicants.Count);
         Assert.Empty(staffing.Staff);
         Assert.Contains(staffing.Uncovered, subject => subject.DefName == "Mathematics");
-        Assert.Contains(staffing.Uncovered, subject => subject.DefName == "PrimarySchool");
+        var primary = Assert.Single(staffing.Uncovered, subject => subject.DefName == "PrimarySchool");
+        Assert.Equal(3, primary.TeachersShort);
         Assert.NotEmpty(staffing.Positions);
         Assert.Contains(staffing.Positions, position => position.DefName == "Teacher");
         Assert.Contains(staffing.Subjects, subject => subject.DefName == "Mathematics");
@@ -331,7 +332,7 @@ public class StaffingApiTests(AppHostFixture fixture)
         IReadOnlyList<DefLabelResponse> Positions,
         IReadOnlyList<UncoveredSubjectResponse> Subjects);
 
-    private sealed record UncoveredSubjectResponse(string DefName, string Label, int GradeMin, int GradeMax, int HoursPerWeek);
+    private sealed record UncoveredSubjectResponse(string DefName, string Label, int GradeMin, int GradeMax, int HoursPerWeek, int TeachersShort);
 
     private sealed record ApplicantResponse(
         string Id,

tests/HSchool.AppHost.Tests/golden/README.md

@@ -0,0 +1,14 @@
+# Golden saves
+
+`current/` is a school file of today's format. `legacy-no-native/` is the same school without
+`nativeLanguage`, so a missing field still has to mean "first language of the name set" rather
+than a new roll.
+
+These files live forever: a new save field must load `current/` and must not reshuffle
+`legacy-no-native/`. A real format change adds a new folder; it does not rewrite the old one.
+
+Regenerate after an intentional roster change (same commit):
+
+```
+WRITE_GOLDEN=1 dotnet test tests/HSchool.People.Tests/HSchool.People.Tests.csproj --filter Dump_HostSaveFixtures
+```

tests/HSchool.AppHost.Tests/golden/current/1.json

@@ -0,0 +1,63 @@
+{
+  "format": 2,
+  "id": 1,
+  "name": "Золотая",
+  "gameTime": "2012-03-31T06:00:00Z",
+  "running": false,
+  "speedIndex": 1,
+  "modIds": [
+    "core"
+  ],
+  "map": {
+    "territory": {
+      "id": "yard",
+      "def": "SchoolYard"
+    },
+    "buildings": [
+      {
+        "id": "main",
+        "def": "MainBuilding"
+      }
+    ],
+    "floors": [
+      {
+        "id": "floor-1",
+        "def": "StandardFloor",
+        "building": "main",
+        "label": "1"
+      }
+    ],
+    "rooms": [
+      {
+        "id": "classroom-00",
+        "def": "Classroom",
+        "building": "main",
+        "floor": "floor-1",
+        "label": "101",
+        "seats": 16,
+        "slots": []
+      },
+      {
+        "id": "classroom-01",
+        "def": "Classroom",
+        "building": "main",
+        "floor": "floor-1",
+        "label": "102",
+        "seats": 16,
+        "slots": []
+      }
+    ],
+    "links": [
+      {
+        "a": "yard",
+        "b": "classroom-00"
+      },
+      {
+        "a": "yard",
+        "b": "classroom-01"
+      }
+    ]
+  },
+  "nameSetId": "Slavic",
+  "nativeLanguage": "RussianLanguage"
+}

tests/HSchool.AppHost.Tests/golden/legacy-no-native/1.json

@@ -0,0 +1,62 @@
+{
+  "format": 2,
+  "id": 1,
+  "name": "Золотая",
+  "gameTime": "2012-03-31T06:00:00Z",
+  "running": false,
+  "speedIndex": 1,
+  "modIds": [
+    "core"
+  ],
+  "map": {
+    "territory": {
+      "id": "yard",
+      "def": "SchoolYard"
+    },
+    "buildings": [
+      {
+        "id": "main",
+        "def": "MainBuilding"
+      }
+    ],
+    "floors": [
+      {
+        "id": "floor-1",
+        "def": "StandardFloor",
+        "building": "main",
+        "label": "1"
+      }
+    ],
+    "rooms": [
+      {
+        "id": "classroom-00",
+        "def": "Classroom",
+        "building": "main",
+        "floor": "floor-1",
+        "label": "101",
+        "seats": 16,
+        "slots": []
+      },
+      {
+        "id": "classroom-01",
+        "def": "Classroom",
+        "building": "main",
+        "floor": "floor-1",
+        "label": "102",
+        "seats": 16,
+        "slots": []
+      }
+    ],
+    "links": [
+      {
+        "a": "yard",
+        "b": "classroom-00"
+      },
+      {
+        "a": "yard",
+        "b": "classroom-01"
+      }
+    ]
+  },
+  "nameSetId": "Slavic"
+}

tests/HSchool.People.Tests/GoldenRosterTests.cs

@@ -0,0 +1,27 @@
+namespace HSchool.People.Tests;
+
+public class GoldenRosterTests
+{
+    private const string Native = "RussianLanguage";
+
+    [Fact]
+    public void GoldenRoster_MatchesFixture()
+    {
+        var roster = Fixtures.Generate(Fixtures.Classrooms(4));
+        var actual = RosterFingerprint.Format(roster, Fixtures.SchoolSeed, "Slavic", Native);
+        var relative = Path.Combine("golden", "roster.txt");
+        var output = Path.Combine(AppContext.BaseDirectory, relative);
+        var source = Path.Combine(Fixtures.RepoRoot(), "tests", "HSchool.People.Tests", relative);
+
+        if (string.Equals(Environment.GetEnvironmentVariable("WRITE_GOLDEN"), "1", StringComparison.Ordinal))
+        {
+            Directory.CreateDirectory(Path.GetDirectoryName(source)!);
+            File.WriteAllText(source, actual);
+            Directory.CreateDirectory(Path.GetDirectoryName(output)!);
+            File.WriteAllText(output, actual);
+        }
+
+        Assert.True(File.Exists(output), $"Golden roster is missing at {output}.");
+        RosterFingerprint.AssertEqual(File.ReadAllText(output), actual);
+    }
+}

tests/HSchool.People.Tests/GoldenSaveDump.cs

@@ -0,0 +1,103 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using HSchool.Content;
+
+namespace HSchool.People.Tests;
+
+/// <summary>
+/// Writes the host golden save files. Not a correctness test — run with WRITE_GOLDEN=1 after an
+/// intentional generation change, then commit the AppHost fixtures in the same change.
+/// </summary>
+public class GoldenSaveDump
+{
+    [Fact]
+    public void Dump_HostSaveFixtures_WhenAsked()
+    {
+        if (!string.Equals(Environment.GetEnvironmentVariable("WRITE_GOLDEN"), "1", StringComparison.Ordinal))
+        {
+            return;
+        }
+
+        var catalog = Fixtures.Catalog();
+        var map = TwoClassrooms();
+        var roster = RosterGenerator.Generate(catalog, map, schoolSeed: 1, "Slavic", Fixtures.AsOf, "RussianLanguage");
+        var pool = ApplicantPool.Create(catalog, roster, schoolSeed: 1, "Slavic", Fixtures.AsOf, "RussianLanguage");
+        var people = RosterJson.Serialize(RosterDocument.From(1, roster, pool));
+        var mapNode = JsonNode.Parse(JsonSerializer.Serialize(map, Jsonc.SerializerOptions));
+        var current = SchoolJson(mapNode, includeNative: true);
+        var legacy = SchoolJson(mapNode, includeNative: false);
+
+        var root = Path.Combine(Fixtures.RepoRoot(), "tests", "HSchool.AppHost.Tests", "golden");
+        Write(Path.Combine(root, "current", "1.json"), current);
+        Write(Path.Combine(root, "current", "1.people.json"), people);
+        Write(Path.Combine(root, "legacy-no-native", "1.json"), legacy);
+        Write(Path.Combine(root, "legacy-no-native", "1.people.json"), people);
+    }
+
+    internal static MapLayout TwoClassrooms() =>
+        new()
+        {
+            Territory = new TerritoryNode { Id = "yard", Def = "SchoolYard" },
+            Buildings = [new BuildingNode { Id = "main", Def = "MainBuilding" }],
+            Floors = [new FloorNode { Id = "floor-1", Def = "StandardFloor", Building = "main", Label = "1" }],
+            Rooms =
+            [
+                new RoomNode
+                {
+                    Id = "classroom-00",
+                    Def = "Classroom",
+                    Building = "main",
+                    Floor = "floor-1",
+                    Label = "101",
+                    Seats = 16,
+                },
+                new RoomNode
+                {
+                    Id = "classroom-01",
+                    Def = "Classroom",
+                    Building = "main",
+                    Floor = "floor-1",
+                    Label = "102",
+                    Seats = 16,
+                },
+            ],
+            Links =
+            [
+                new MapLink { A = "yard", B = "classroom-00" },
+                new MapLink { A = "yard", B = "classroom-01" },
+            ],
+        };
+
+    private static string SchoolJson(JsonNode? map, bool includeNative)
+    {
+        var root = new JsonObject
+        {
+            ["format"] = 2,
+            ["id"] = 1,
+            ["name"] = "Золотая",
+            ["gameTime"] = "2012-03-31T06:00:00Z",
+            ["running"] = false,
+            ["speedIndex"] = 1,
+            ["modIds"] = new JsonArray("core"),
+            ["map"] = map?.DeepClone(),
+            ["nameSetId"] = "Slavic",
+        };
+        if (includeNative)
+        {
+            root["nativeLanguage"] = "RussianLanguage";
+        }
+
+        return root.ToJsonString(new JsonSerializerOptions
+        {
+            WriteIndented = true,
+            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
+        });
+    }
+
+    private static void Write(string path, string contents)
+    {
+        Directory.CreateDirectory(Path.GetDirectoryName(path)!);
+        File.WriteAllText(path, contents);
+    }
+}

tests/HSchool.People.Tests/HSchool.People.Tests.csproj

@@ -26,6 +26,9 @@
       <Link>vanilla\%(RecursiveDir)%(Filename)%(Extension)</Link>
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="golden\**\*">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
   </ItemGroup>
 
 </Project>

tests/HSchool.People.Tests/RosterFingerprint.cs

@@ -0,0 +1,78 @@
+namespace HSchool.People.Tests;
+
+/// <summary>
+/// One line per class and person, sorted, so a generator change shows up as the first
+/// mismatched line instead of "the snapshots differ".
+/// </summary>
+internal static class RosterFingerprint
+{
+    public static string Format(Roster roster, int seed, string nameSet, string native)
+    {
+        var lines = new List<string>
+        {
+            $"# seed={seed} nameset={nameSet} native={native} people={roster.People.Count} classes={roster.Classes.Count}",
+        };
+
+        foreach (var schoolClass in roster.Classes.OrderBy(row => row.Id, StringComparer.Ordinal))
+        {
+            var pupils = string.Join(',', schoolClass.PupilIds.Order(StringComparer.Ordinal));
+            lines.Add(
+                $"class {schoolClass.Id} year={schoolClass.Year} letter={schoolClass.Letter} room={schoolClass.RoomId} capacity={schoolClass.Capacity} pupils={pupils}");
+        }
+
+        foreach (var person in roster.People.OrderBy(row => row.Id, StringComparer.Ordinal))
+        {
+            lines.Add(PersonLine(person));
+        }
+
+        return string.Join('\n', lines) + '\n';
+    }
+
+    public static void AssertEqual(string expected, string actual)
+    {
+        var left = expected.Replace("\r\n", "\n", StringComparison.Ordinal).Split('\n');
+        var right = actual.Replace("\r\n", "\n", StringComparison.Ordinal).Split('\n');
+        var count = Math.Min(left.Length, right.Length);
+        for (var i = 0; i < count; i++)
+        {
+            if (!string.Equals(left[i], right[i], StringComparison.Ordinal))
+            {
+                Assert.Fail($"first mismatch at line {i + 1}\nexpected: {left[i]}\nactual:   {right[i]}");
+            }
+        }
+
+        if (left.Length != right.Length)
+        {
+            Assert.Fail($"line count {left.Length} vs {right.Length}");
+        }
+    }
+
+    private static string PersonLine(Person person)
+    {
+        var roles = string.Join(',', Roles(person));
+        var traits = string.Join(',', person.Traits.Order(StringComparer.Ordinal));
+        var skills = string.Join(
+            ',',
+            person.Skills.OrderBy(pair => pair.Key, StringComparer.Ordinal).Select(pair => $"{pair.Key}={pair.Value}"));
+        return
+            $"person {person.Id} {person.Name.Full} female={person.Female} roles={roles} class={person.ClassId ?? "-"} born={person.BirthDate:yyyy-MM-dd} traits={traits} skills={skills}";
+    }
+
+    private static IEnumerable<string> Roles(Person person)
+    {
+        if (person.IsStudent)
+        {
+            yield return "student";
+        }
+
+        if (person.IsStaff)
+        {
+            yield return "staff";
+        }
+
+        if (person.IsParent)
+        {
+            yield return "parent";
+        }
+    }
+}

tests/HSchool.People.Tests/StaffingTests.cs

@@ -232,6 +232,28 @@ public class StaffingTests
         Assert.Contains(Staffing.Uncovered(catalog, assigned.Roster), subject => subject.DefName == "PrimarySchool");
     }
 
+    [Fact]
+    public void PrimarySchool_OnVanillaMap_NeedsThreeTeachers_AndASecondDoesNotCloseIt()
+    {
+        var (catalog, map, roster, pool) = Fresh();
+        var rules = catalog.StaffingRules!;
+        Assert.Equal(80f, Staffing.SubjectHours(catalog, roster, "PrimarySchool"));
+        Assert.Equal(3, Staffing.TeachersToCover(80f, rules.MaxWeeklyHours));
+
+        var empty = Staffing.Uncovered(catalog, roster).Single(subject => subject.DefName == "PrimarySchool");
+        Assert.Equal(3, empty.TeachersShort);
+
+        var outcome = new StaffingOutcome(StaffingError.None, roster, pool, 0, 0, 0, 0);
+        outcome = HireAndAssign(catalog, map, outcome, "PrimarySchool");
+        Assert.Equal(2, Staffing.Uncovered(catalog, outcome.Roster).Single(subject => subject.DefName == "PrimarySchool").TeachersShort);
+
+        outcome = HireAndAssign(catalog, map, outcome, "PrimarySchool");
+        Assert.Equal(1, Staffing.Uncovered(catalog, outcome.Roster).Single(subject => subject.DefName == "PrimarySchool").TeachersShort);
+
+        outcome = HireAndAssign(catalog, map, outcome, "PrimarySchool");
+        Assert.DoesNotContain(Staffing.Uncovered(catalog, outcome.Roster), subject => subject.DefName == "PrimarySchool");
+    }
+
     [Fact]
     public void PeopleJson_RoundTripsHiredStaffAndSubjects()
     {
@@ -274,6 +296,20 @@ public class StaffingTests
         return (catalog, map, roster, pool);
     }
 
+    private static StaffingOutcome HireAndAssign(
+        DefCatalog catalog,
+        MapLayout map,
+        StaffingOutcome current,
+        string subject)
+    {
+        var applicant = current.Pool.Applicants[0];
+        var hired = Staffing.Hire(catalog, map, current.Roster, current.Pool, applicant.Person.Id, Staffing.TeacherPosition, 500_000f);
+        Assert.Equal(StaffingError.None, hired.Error);
+        var assigned = Staffing.AssignSubject(catalog, hired.Roster, hired.Pool, applicant.Person.Id, subject, 500_000f);
+        Assert.Equal(StaffingError.None, assigned.Error);
+        return assigned;
+    }
+
     private static Applicant WithAsk(Applicant applicant, float hourlyAsk) =>
         applicant with { HourlyWageAsk = hourlyAsk };
 }

tests/HSchool.People.Tests/golden/README.md

@@ -0,0 +1,14 @@
+# Golden roster
+
+`roster.txt` is the fingerprint of `RosterGenerator` for a fixed seed, four classrooms, Slavic
+names and Russian as the native language.
+
+Update it **in the same commit that changes generation**, and say in the commit message what
+changed (a new skill, a related-language roll, a different birth window). A red golden test is
+the question "did you mean to?", not an order to revert.
+
+To rewrite the file after an intentional change:
+
+```
+WRITE_GOLDEN=1 dotnet test tests/HSchool.People.Tests/HSchool.People.Tests.csproj --filter GoldenRoster_MatchesFixture
+```

tests/HSchool.People.Tests/golden/roster.txt

@@ -0,0 +1,135 @@
+# seed=20260818 nameset=Slavic native=RussianLanguage people=130 classes=4
+class class-classroom-00 year=1 letter=А room=classroom-00 capacity=16 pupils=f1.c1,f1.c2,f13.c0,f18.c0,f19.c0,f24.c1,f26.c1,f27.c1,f27.c2,f28.c2,f32.c1,f33.c0,f34.c0,f6.c0,f6.c2,f8.c0
+class class-classroom-01 year=2 letter=А room=classroom-01 capacity=16 pupils=f0.c1,f12.c0,f12.c1,f12.c2,f13.c1,f13.c2,f14.c2,f20.c0,f23.c1,f26.c0,f27.c0,f29.c0,f31.c0,f4.c0,f7.c0,f9.c0
+class class-classroom-02 year=3 letter=А room=classroom-02 capacity=16 pupils=f10.c0,f14.c0,f16.c0,f17.c1,f2.c0,f21.c0,f22.c1,f23.c0,f25.c0,f28.c0,f3.c0,f3.c1,f32.c0,f32.c2,f5.c0,f6.c1
+class class-classroom-03 year=4 letter=А room=classroom-03 capacity=16 pupils=f0.c0,f1.c0,f11.c0,f14.c1,f15.c0,f17.c0,f17.c2,f20.c1,f22.c0,f24.c0,f28.c1,f30.c0,f30.c1,f8.c1,f9.c1,f9.c2
+person f0.c0 Андреев Сергей Валериевич female=False roles=student class=class-classroom-03 born=2000-10-23 traits=Quiet skills=Agility=23,BelarusianLanguage=6,Biology=57,Communication=29,Endurance=51,Literature=20,Mathematics=14,PhysicalEducation=77,RussianLanguage=32,Strength=43,UkrainianLanguage=24
+person f0.c1 Андреев Александр Валериевич female=False roles=student class=class-classroom-01 born=2002-11-09 traits=Curious,Quiet skills=Agility=47,BelarusianLanguage=14,Biology=56,Communication=42,Endurance=51,Literature=40,Mathematics=35,PhysicalEducation=41,RussianLanguage=45,Strength=45,UkrainianLanguage=40
+person f0.p0 Андреев Валерий Николаевич female=False roles=parent class=- born=1971-06-03 traits=Diligent,Quiet skills=Agility=43,Communication=58,Endurance=61,English=62,RussianLanguage=46,Strength=63,UkrainianLanguage=37
+person f0.p1 Андреева Марина Артемовна female=True roles=parent class=- born=1971-09-30 traits= skills=Agility=30,Communication=35,Endurance=46,English=58,Informatics=59,Librarianship=63,Medicine=73,PhysicalEducation=45,RussianLanguage=68,Strength=52
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+person f29.c0 Макарова Ксения Александровна female=True roles=student class=class-classroom-01 born=2002-11-08 traits=Bully skills=Agility=52,BelarusianLanguage=27,Biology=62,Communication=35,Endurance=53,Literature=71,Mathematics=48,PhysicalEducation=35,RussianLanguage=41,Strength=45
+person f29.p0 Макаров Александр Николаевич female=False roles=parent class=- born=1981-11-08 traits=AbsentMinded skills=Administration=40,Agility=50,BelarusianLanguage=25,Chemistry=42,Communication=44,Endurance=55,Geography=56,Librarianship=66,RussianLanguage=69,Strength=40,UkrainianLanguage=19
+person f29.p1 Макарова Мария Владиславовна female=True roles=parent class=- born=1977-10-31 traits=HotTempered skills=Agility=45,BelarusianLanguage=23,Chemistry=42,Communication=37,Endurance=70,Literature=20,RussianLanguage=54,Strength=44,UkrainianLanguage=25
+person f3.c0 Макарова Вероника Петровна female=True roles=student class=class-classroom-02 born=2002-05-15 traits=Curious,Diligent skills=Agility=37,BelarusianLanguage=32,Biology=32,Communication=61,Endurance=71,Literature=63,Mathematics=27,PhysicalEducation=60,RussianLanguage=66,Strength=81
+person f3.c1 Макаров Роман Петрович female=False roles=student class=class-classroom-02 born=2002-04-16 traits= skills=Agility=40,BelarusianLanguage=28,Biology=55,Communication=32,Endurance=34,Literature=51,Mathematics=41,PhysicalEducation=49,RussianLanguage=44,Strength=37
+person f3.p0 Макаров Пётр Егорович female=False roles=parent class=- born=1977-02-28 traits=Diligent,Neat skills=Agility=67,Communication=28,Endurance=53,English=57,Librarianship=39,RussianLanguage=45,Strength=42,UkrainianLanguage=26
+person f3.p1 Макарова Алина Антоновна female=True roles=parent class=- born=1978-04-05 traits= skills=Agility=62,BelarusianLanguage=26,Communication=63,Endurance=39,RussianLanguage=64,Strength=45
+person f30.c0 Иванова Светлана Владимировна female=True roles=student class=class-classroom-03 born=2000-10-08 traits= skills=Agility=38,Biology=51,Communication=37,Endurance=48,Literature=46,Mathematics=39,PhysicalEducation=44,RussianLanguage=33,Strength=45,UkrainianLanguage=38
+person f30.c1 Иванова Надежда Владимировна female=True roles=student class=class-classroom-03 born=2000-12-10 traits=Bully skills=Agility=27,Biology=46,Communication=49,Endurance=61,Literature=36,Mathematics=38,PhysicalEducation=72,RussianLanguage=39,Strength=45,UkrainianLanguage=27
+person f30.p0 Иванов Владимир Денисович female=False roles=parent class=- born=1974-06-12 traits=Lazy skills=Agility=40,BelarusianLanguage=26,Biology=37,Communication=72,Endurance=50,Librarianship=45,Physics=66,RussianLanguage=46,Strength=40
+person f30.p1 Иванова Мария Андреевна female=True roles=parent class=- born=1973-09-24 traits= skills=Administration=44,Agility=52,Communication=61,Endurance=62,RussianLanguage=46,Strength=45,UkrainianLanguage=30
+person f31.c0 Иванов Николай Вадимович female=False roles=student class=class-classroom-01 born=2003-08-29 traits= skills=Agility=41,Biology=43,Communication=32,Endurance=44,Literature=45,Mathematics=53,PhysicalEducation=47,RussianLanguage=7,Strength=45,UkrainianLanguage=21
+person f31.p0 Иванов Вадим Андреевич female=False roles=parent class=- born=1985-06-23 traits=Diligent,Quiet skills=Agility=45,BelarusianLanguage=25,Communication=54,Endurance=71,Medicine=57,PhysicalEducation=60,RussianLanguage=56,Strength=53,UkrainianLanguage=25
+person f31.p1 Иванова Александра Юриевна female=True roles=parent class=- born=1980-08-20 traits=Diligent skills=Administration=54,Agility=75,BelarusianLanguage=19,Chemistry=43,Communication=65,Cooking=53,Endurance=50,PhysicalEducation=67,RussianLanguage=36,Strength=48,UkrainianLanguage=37
+person f32.c0 Петров Артём Евгениевич female=False roles=student class=class-classroom-02 born=2002-07-14 traits=Quiet skills=Agility=31,BelarusianLanguage=34,Biology=33,Communication=5,Endurance=20,Literature=45,Mathematics=21,PhysicalEducation=64,RussianLanguage=42,Strength=80,UkrainianLanguage=25
+person f32.c1 Петрова Елена Евгениевна female=True roles=student class=class-classroom-00 born=2003-10-27 traits=Quiet skills=Agility=47,BelarusianLanguage=30,Biology=51,Communication=68,Endurance=48,Literature=46,Mathematics=37,PhysicalEducation=59,RussianLanguage=25,Strength=38,UkrainianLanguage=22
+person f32.c2 Петрова Ирина Евгениевна female=True roles=student class=class-classroom-02 born=2001-09-18 traits=HotTempered,Kind skills=Agility=54,BelarusianLanguage=29,Biology=54,Communication=28,Endurance=49,Literature=31,Mathematics=41,PhysicalEducation=67,RussianLanguage=50,Strength=52
+person f32.p0 Петров Евгений Станиславович female=False roles=parent class=- born=1963-05-02 traits= skills=Agility=45,BelarusianLanguage=23,Chemistry=61,Communication=66,Endurance=43,Mathematics=49,Pedagogy=34,RussianLanguage=58,Strength=41,UkrainianLanguage=29
+person f33.c0 Морозова Елизавета Григориевна female=True roles=student class=class-classroom-00 born=2003-11-04 traits=Diligent,Quiet skills=Agility=21,BelarusianLanguage=25,Biology=38,Communication=41,Endurance=55,Literature=54,Mathematics=53,PhysicalEducation=66,RussianLanguage=42,Strength=45
+person f33.p0 Морозов Григорий Михаилович female=False roles=parent class=- born=1968-05-01 traits= skills=Administration=71,Agility=28,BelarusianLanguage=22,Communication=68,Endurance=62,English=53,Librarianship=36,RussianLanguage=52,Strength=51,UkrainianLanguage=14
+person f33.p1 Морозова Марина Владимировна female=True roles=parent class=- born=1972-10-24 traits=HotTempered skills=Agility=65,BelarusianLanguage=23,Communication=28,Endurance=40,Pedagogy=57,RussianLanguage=56,Strength=40,UkrainianLanguage=11
+person f34.c0 Кузнецова Валентина Ивановна female=True roles=student class=class-classroom-00 born=2004-03-25 traits=Curious,Kind skills=Agility=29,BelarusianLanguage=22,Biology=48,Communication=21,Endurance=69,Literature=30,Mathematics=39,PhysicalEducation=35,RussianLanguage=28,Strength=45,UkrainianLanguage=24
+person f34.p0 Кузнецов Иван Сергеевич female=False roles=parent class=- born=1970-02-02 traits= skills=Agility=44,Communication=43,Endurance=58,English=73,Geography=37,Physics=49,RussianLanguage=77,Strength=40
+person f34.p1 Кузнецова Дарья Валериевна female=True roles=parent class=- born=1967-03-25 traits=Lazy skills=Administration=60,Agility=69,BelarusianLanguage=23,Communication=67,Cooking=44,Endurance=47,German=38,RussianLanguage=70,Strength=48,UkrainianLanguage=15
+person f4.c0 Васильев Денис Федорович female=False roles=student class=class-classroom-01 born=2003-02-01 traits=Neat skills=Agility=50,BelarusianLanguage=6,Biology=39,Communication=27,Endurance=35,Literature=59,Mathematics=36,PhysicalEducation=88,RussianLanguage=47,Strength=21,UkrainianLanguage=13
+person f4.p0 Васильев Фёдор Игоревич female=False roles=parent class=- born=1970-05-21 traits=AbsentMinded skills=Agility=66,BelarusianLanguage=31,Communication=49,Cooking=45,Endurance=44,English=36,Literature=48,Pedagogy=62,RussianLanguage=54,Strength=44
+person f4.p1 Васильева Анастасия Федоровна female=True roles=parent class=- born=1975-01-20 traits=AbsentMinded skills=Agility=45,BelarusianLanguage=22,Communication=70,Endurance=53,English=43,Librarianship=49,Medicine=75,RussianLanguage=49,Strength=73,UkrainianLanguage=13
+person f5.c0 Захарова Екатерина Борисовна female=True roles=student class=class-classroom-02 born=2002-07-13 traits=Kind skills=Agility=43,Biology=46,Communication=44,Endurance=43,Literature=38,Mathematics=52,PhysicalEducation=52,RussianLanguage=45,Strength=32
+person f5.p0 Захаров Борис Николаевич female=False roles=parent class=- born=1980-04-15 traits= skills=Agility=45,Communication=37,Endurance=51,English=44,RussianLanguage=57,Strength=29
+person f5.p1 Захарова Вероника Григориевна female=True roles=parent class=- born=1979-06-22 traits= skills=Agility=27,Communication=47,Endurance=76,English=24,RussianLanguage=63,Strength=45,UkrainianLanguage=31
+person f6.c0 Козловская Юлия Олеговна female=True roles=student class=class-classroom-00 born=2004-08-15 traits= skills=Agility=45,BelarusianLanguage=20,Biology=36,Communication=42,Endurance=61,Literature=49,Mathematics=27,PhysicalEducation=45,RussianLanguage=40,Strength=70
+person f6.c1 Козловская Светлана Олеговна female=True roles=student class=class-classroom-02 born=2001-12-31 traits=HotTempered,Leader skills=Agility=53,Biology=47,Communication=36,Endurance=40,Literature=59,Mathematics=52,PhysicalEducation=70,RussianLanguage=36,Strength=40
+person f6.c2 Козловская Вероника Олеговна female=True roles=student class=class-classroom-00 born=2003-09-29 traits= skills=Agility=17,BelarusianLanguage=17,Biology=38,Communication=36,Endurance=27,Literature=54,Mathematics=10,PhysicalEducation=51,RussianLanguage=16,Strength=29,UkrainianLanguage=40
+person f6.p0 Козловский Олег Станиславович female=False roles=parent class=- born=1967-12-18 traits=Kind skills=Agility=42,Biology=44,Communication=82,Endurance=64,Mathematics=33,RussianLanguage=29,Strength=52
+person f6.p1 Козловская Ирина Кирилловна female=True roles=parent class=- born=1963-12-28 traits= skills=Administration=90,Agility=48,BelarusianLanguage=11,Communication=29,Endurance=57,English=48,Librarianship=57,RussianLanguage=48,Strength=61
+person f7.c0 Андреев Виктор Степанович female=False roles=student class=class-classroom-01 born=2003-07-19 traits=Bully,Leader skills=Agility=20,Biology=38,Communication=31,Endurance=75,Literature=54,Mathematics=40,PhysicalEducation=60,RussianLanguage=8,Strength=45,UkrainianLanguage=7
+person f7.p0 Андреев Степан Андреевич female=False roles=parent class=- born=1973-08-21 traits= skills=Administration=51,Agility=64,BelarusianLanguage=35,Chemistry=42,Communication=76,Endurance=36,Medicine=23,Physics=30,RussianLanguage=67,Strength=46,UkrainianLanguage=27
+person f7.p1 Андреева Мария Алексеевна female=True roles=parent class=- born=1977-07-16 traits= skills=Agility=59,Communication=68,Cooking=41,Endurance=49,History=47,Mathematics=54,Medicine=44,RussianLanguage=63,Strength=35,UkrainianLanguage=40
+person f8.c0 Фролов Евгений Павелович female=False roles=student class=class-classroom-00 born=2003-12-20 traits=Bully skills=Agility=52,Biology=45,Communication=20,Endurance=78,Literature=61,Mathematics=33,PhysicalEducation=64,RussianLanguage=31,Strength=45,UkrainianLanguage=19
+person f8.c1 Фролов Станислав Павелович female=False roles=student class=class-classroom-03 born=2000-10-11 traits=Curious skills=Agility=58,BelarusianLanguage=24,Biology=57,Communication=18,Endurance=69,Literature=55,Mathematics=33,PhysicalEducation=48,RussianLanguage=42,Strength=67,UkrainianLanguage=28
+person f8.p0 Фролов Павел Егорович female=False roles=parent class=- born=1968-06-07 traits=Leader skills=Agility=71,BelarusianLanguage=22,Communication=87,Endurance=39,RussianLanguage=64,Strength=44
+person f8.p1 Фролова Виктория Степановна female=True roles=parent class=- born=1963-10-04 traits= skills=Agility=59,BelarusianLanguage=25,Communication=51,Endurance=55,Geography=48,Pedagogy=58,RussianLanguage=25,Strength=63
+person f9.c0 Кузьмина Любовь Александровна female=True roles=student class=class-classroom-01 born=2003-06-13 traits=Kind skills=Agility=45,BelarusianLanguage=23,Biology=43,Communication=31,Endurance=32,Literature=46,Mathematics=44,PhysicalEducation=62,RussianLanguage=29,Strength=39,UkrainianLanguage=5
+person f9.c1 Кузьмин Сергей Александрович female=False roles=student class=class-classroom-03 born=2001-08-20 traits=Curious,Quiet skills=Agility=11,BelarusianLanguage=18,Biology=37,Communication=41,Endurance=59,Literature=59,Mathematics=25,PhysicalEducation=67,RussianLanguage=41,Strength=38
+person f9.c2 Кузьмина Алина Александровна female=True roles=student class=class-classroom-03 born=2001-01-22 traits= skills=Agility=52,Biology=50,Communication=29,Endurance=53,Literature=38,Mathematics=52,PhysicalEducation=56,RussianLanguage=54,Strength=31
+person f9.p0 Кузьмин Александр Денисович female=False roles=parent class=- born=1981-12-09 traits= skills=Agility=40,Communication=58,Cooking=58,Endurance=78,Literature=42,Medicine=65,Physics=58,RussianLanguage=68,Strength=42
+person f9.p1 Кузьмина Анастасия Сергеевна female=True roles=parent class=- born=1977-01-01 traits=AbsentMinded skills=Agility=68,BelarusianLanguage=27,Communication=96,Endurance=46,Librarianship=43,Pedagogy=48,RussianLanguage=61,Strength=40,UkrainianLanguage=21

tests/HSchool.Simulation.Tests/LunchTests.cs

@@ -1,3 +1,4 @@
+using HSchool.Ai;
 using HSchool.Content;
 using HSchool.People;
 using HSchool.Schedule;
@@ -51,6 +52,44 @@ public class LunchTests
         Assert.All(hunger.Values, value => Assert.True(value > 0.5f, $"somebody came back to school at {value:F2}"));
     }
 
+    /// <summary>
+    /// Measured once: people arrive full, hit about 0.4 by their own lunch sitting, leave hungry,
+    /// and come back full the next morning. The numbers live in data; this test is the lock.
+    /// </summary>
+    [Fact]
+    public void Hunger_FollowsTheSchoolDayCurve()
+    {
+        using var school = StaffedSchool();
+        var pupils = school.Roster!.People.Where(person => person.IsStudent).Select(person => person.Id)
+            .ToHashSet(StringComparer.Ordinal);
+        var (junior, senior) = Parallels(school);
+
+        AdvanceTo(school, new DateTime(2012, 4, 3, 8, 40, 0, DateTimeKind.Utc));
+        var morning = Hunger(school, pupils, onCampus: true);
+        Assert.NotEmpty(morning);
+        Assert.All(morning.Values, value => Assert.InRange(value, 0.85f, 1f));
+
+        AdvanceTo(school, new DateTime(2012, 4, 3, 11, 0, 0, DateTimeKind.Utc));
+        var beforeJuniorLunch = Hunger(school, junior, onCampus: true);
+        Assert.NotEmpty(beforeJuniorLunch);
+        Assert.InRange(Median(beforeJuniorLunch.Values), 0.35f, 0.50f);
+
+        AdvanceTo(school, new DateTime(2012, 4, 3, 12, 5, 0, DateTimeKind.Utc));
+        var beforeSeniorLunch = Hunger(school, senior, onCampus: true);
+        Assert.NotEmpty(beforeSeniorLunch);
+        Assert.InRange(Median(beforeSeniorLunch.Values), 0.20f, 0.50f);
+
+        AdvanceTo(school, new DateTime(2012, 4, 3, 14, 45, 0, DateTimeKind.Utc));
+        var leaving = Hunger(school, pupils, onCampus: true);
+        Assert.NotEmpty(leaving);
+        Assert.True(Median(leaving.Values) < 0.55f, $"median hunger at the last lessons was {Median(leaving.Values):F2}");
+
+        AdvanceTo(school, new DateTime(2012, 4, 4, 8, 0, 0, DateTimeKind.Utc));
+        var nextMorning = Hunger(school, pupils, onCampus: false);
+        Assert.NotEmpty(nextMorning);
+        Assert.All(nextMorning.Values, value => Assert.InRange(value, 0.9f, 1f));
+    }
+
     private static School StaffedSchool()
     {
         var (catalog, map) = Vanilla();
@@ -108,20 +147,33 @@ public class LunchTests
             .Select(row => row.PersonId)
             .ToArray();
 
-    private static Dictionary<string, float> Hunger(School school, HashSet<string> pupils)
+    private static Dictionary<string, float> Hunger(School school, HashSet<string> pupils, bool onCampus = false)
     {
         var values = new Dictionary<string, float>(StringComparer.Ordinal);
-        var query = new Arch.Core.QueryDescription().WithAll<PersonIdentity, PersonNeeds>();
-        school.World.Query(in query, (ref PersonIdentity identity, ref PersonNeeds needs) =>
+        var query = new Arch.Core.QueryDescription().WithAll<PersonIdentity, PersonNeeds, Presence>();
+        school.World.Query(in query, (ref PersonIdentity identity, ref PersonNeeds needs, ref Presence presence) =>
         {
-            if (pupils.Contains(identity.Id) && needs.Values.TryGetValue("Hunger", out var value))
+            if (!pupils.Contains(identity.Id) || !needs.Values.TryGetValue("Hunger", out var value))
             {
-                values[identity.Id] = value;
+                return;
             }
+
+            if (onCampus && !presence.IsOnCampus)
+            {
+                return;
+            }
+
+            values[identity.Id] = value;
         });
         return values;
     }
 
+    private static float Median(IReadOnlyCollection<float> values)
+    {
+        var sorted = values.OrderBy(value => value).ToArray();
+        return sorted[sorted.Length / 2];
+    }
+
     private static void AdvanceTo(School school, DateTime until)
     {
         while (school.Clock.Time < until)