Put layer and wall-clock bans in one test project so Content and Protocol fail the same way as People.

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

AGENTS.md

@@ -141,6 +141,8 @@ only resolved a status line. Solution-wide is CI.
   same route and commute; the suite does not boot a host, and it does not reference Arch.
 - Catalog, inheritance, patches and map validation belong in `tests/HSchool.Content.Tests`.
   Feed the loader documents, not disk paths.
+- Layer bans (Arch, ASP.NET, sockets, wall-clock) belong in `tests/HSchool.Architecture.Tests`.
+  They do not boot a host.
 - Protocol changes need a round-trip test **and** a byte-layout assertion on both sides.
 - Server wiring, endpoints and the WebSocket belong in `tests/HSchool.AppHost.Tests`. That suite
   shares one AppHost across all tests (`AppHostFixture`) — keep it that way, booting per test costs

README.md

@@ -5,7 +5,7 @@ in-game calendars, a TypeScript client that renders the menus, and .NET Aspire t
 for local runs and integration tests.
 
 What exists today is the shell around a game: a main menu of schools, a creation form, and a
-school screen with a running game clock. The school itself is still empty.
+school screen with a running game clock. People already walk, dress, take lessons and talk.
 
 ## Stack
 
@@ -65,7 +65,8 @@ Do **not** add port 5180 or the Aspire dashboard to `tailscale serve`.
   ticking live. Deleting one asks for confirmation first. The footer switches the UI between
   Russian and English; the choice is remembered in the browser.
 - **Create a school** — type a name or roll a random one, pick a start date (3 April 2012, 06:00
-  by default). At six schools the create button is disabled and says why.
+  by default). When the player has filled their school slots the create button is disabled and
+  says why.
 - **Inside a school** — the date, time and weekday of the game calendar, play/pause and the
   ×½ ×1 ×2 ×5 ×10 speed buttons, plus a way back to the menu.
 
@@ -94,6 +95,8 @@ which matches the server's launch profile.
 dotnet test
 ```
 
+- `tests/HSchool.Architecture.Tests` — layer bans (Arch, ASP.NET, sockets, wall-clock) for
+  Protocol through Simulation. No host.
 - `tests/HSchool.Protocol.Tests` — wire-format round-trips and byte layouts.
 - `tests/HSchool.Content.Tests` — JSONC catalog, inheritance, patches, map connectivity. No host.
 - `tests/HSchool.Simulation.Tests` — the game clock, school load/create, and the school registry, no host involved.
@@ -133,7 +136,7 @@ Simulation tunables live under the `Simulation` section of
 | Key | Default | Meaning |
 | --- | --- | --- |
 | `TickRate` | 20 | fixed simulation steps per second |
-| `MaxSchools` | 6 | how many schools may exist at once |
+| `MaxSchools` | 2 | how many schools each player may own |
 | `GameMinutesPerRealSecond` | 1 | game minutes per real second at ×1 |
 | `DefaultStartDate` | `2012-03-31T06:00:00` | prefilled start of a new school |
 | `SavesDirectory` | `saves` | per-school JSON files |

docs/phases/10-craft/56-architecture-tests.md

@@ -11,24 +11,24 @@
 
 ## Задачи
 
-- [ ] Проект `tests/HSchool.Architecture.Tests` в solution, `IsTestProject`, без AppHost и без
+- [x] Проект `tests/HSchool.Architecture.Tests` в solution, `IsTestProject`, без AppHost и без
       нового NuGet. Ссылки на Protocol, Content, People, Schedule, Ai, Simulation
-- [ ] Тесты ссылок: каждая библиотека из таблицы в [`craft.md`](../../design/10-craft/craft.md) — этап A
+- [x] Тесты ссылок: каждая библиотека из таблицы в [`craft.md`](../../design/10-craft/craft.md) — этап A
-- [ ] Тесты исходников: в `src/HSchool.{Protocol,Content,People,Schedule,Ai,Simulation}` нет
+- [x] Тесты исходников: в `src/HSchool.{Protocol,Content,People,Schedule,Ai,Simulation}` нет
       `DateTime.Now` / `DateTime.UtcNow`
-- [ ] Удалить копипасты `Assembly_DoesNotReference*` и `Sources_DoNotUseWallClock` из People,
+- [x] Удалить копипасты `Assembly_DoesNotReference*` и `Sources_DoNotUseWallClock` из People,
       Ai, Schedule, Simulation (остальные факты тех файлов не трогать)
-- [ ] Testing policy в `AGENTS.md`: слои — `HSchool.Architecture.Tests`, не хост
+- [x] Testing policy в `AGENTS.md`: слои — `HSchool.Architecture.Tests`, не хост
-- [ ] README: школа не «ещё пустая»; потолок create — слоты игрока, не «шесть»
+- [x] README: школа не «ещё пустая»; потолок create — слоты игрока, не «шесть»
 
 ## Тесты, без которых фаза не закрыта
 
-- [ ] Protocol не ссылается на Arch, ASP.NET, Sockets, Content, Simulation
+- [x] Protocol не ссылается на Arch, ASP.NET, Sockets, Content, Simulation
-- [ ] Content не ссылается на Arch, ASP.NET, Sockets, Protocol, Simulation
+- [x] Content не ссылается на Arch, ASP.NET, Sockets, Protocol, Simulation
-- [ ] People, Schedule, Ai не ссылаются на Arch, ASP.NET, Sockets
+- [x] People, Schedule, Ai не ссылаются на Arch, ASP.NET, Sockets
-- [ ] Simulation не ссылается на ASP.NET и Sockets (Arch — можно)
+- [x] Simulation не ссылается на ASP.NET и Sockets (Arch — можно)
-- [ ] Исходники шести библиотек выше не содержат `DateTime.Now` / `DateTime.UtcNow`
+- [x] Исходники шести библиотек выше не содержат `DateTime.Now` / `DateTime.UtcNow`
-- [ ] В People/Ai/Schedule/Simulation.Tests больше нет этих двух фактов
+- [x] В People/Ai/Schedule/Simulation.Tests больше нет этих двух фактов
 
 ## Критерий готовности
 

h-school.sln

@@ -41,6 +41,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HSchool.Ai.Tests", "tests\H
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HSchool.Server.Tests", "tests\HSchool.Server.Tests\HSchool.Server.Tests.csproj", "{A1B2C3D4-E5F6-7890-ABCD-EF1234567890}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HSchool.Architecture.Tests", "tests\HSchool.Architecture.Tests\HSchool.Architecture.Tests.csproj", "{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -255,6 +257,18 @@ Global
 		{A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Release|x64.Build.0 = Release|Any CPU
 		{A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Release|x86.ActiveCfg = Release|Any CPU
 		{A1B2C3D4-E5F6-7890-ABCD-EF1234567890}.Release|x86.Build.0 = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|x64.Build.0 = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Debug|x86.Build.0 = Debug|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|x64.ActiveCfg = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|x64.Build.0 = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|x86.ActiveCfg = Release|Any CPU
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -277,6 +291,7 @@ Global
 		{C21FB23F-F131-4651-8236-4F3E076B40BF} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
 		{C355307C-D7D3-48C7-9615-CB5FBCF83D49} = {0AB3BF05-4346-4AA6-1389-037BE0695223}
 		{A1B2C3D4-E5F6-7890-ABCD-EF1234567890} = {0AB3BF05-4346-4AA6-1389-037BE0695223}
+		{75B7B736-9775-4F3E-B39B-29A3FAF1CCBB} = {0AB3BF05-4346-4AA6-1389-037BE0695223}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {DD14EF4D-167E-4AC7-953A-AF606CC34829}

tests/HSchool.Ai.Tests/WalkingTests.cs

@@ -188,27 +188,6 @@ public class WalkingTests
         }
     }
 
-    [Fact]
-    public void Assembly_DoesNotReferenceArchAspNetOrSockets()
-    {
-        var names = typeof(WalkGraph).Assembly.GetReferencedAssemblies().Select(assembly => assembly.Name!);
-        Assert.DoesNotContain(names, name => name.StartsWith("Arch", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
-    }
-
-    [Fact]
-    public void Sources_DoNotUseWallClock()
-    {
-        var root = Path.Combine(Fixtures.RepoRoot(), "src", "HSchool.Ai");
-        foreach (var path in Directory.EnumerateFiles(root, "*.cs"))
-        {
-            var text = File.ReadAllText(path);
-            Assert.DoesNotContain("DateTime.Now", text, StringComparison.Ordinal);
-            Assert.DoesNotContain("DateTime.UtcNow", text, StringComparison.Ordinal);
-        }
-    }
-
     private static (DayPlan Clear, DayPlan Weather, int Extra) PlansWithExtra(Func<DefCatalog, int> extraOf)
     {
         var (catalog, map) = Fixtures.Vanilla();

tests/HSchool.Architecture.Tests/HSchool.Architecture.Tests.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <RootNamespace>HSchool.Architecture.Tests</RootNamespace>
+    <IsTestProject>true</IsTestProject>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="xunit.v3" />
+    <PackageReference Include="xunit.runner.visualstudio" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\HSchool.Ai\HSchool.Ai.csproj" />
+    <ProjectReference Include="..\..\src\HSchool.Content\HSchool.Content.csproj" />
+    <ProjectReference Include="..\..\src\HSchool.People\HSchool.People.csproj" />
+    <ProjectReference Include="..\..\src\HSchool.Protocol\HSchool.Protocol.csproj" />
+    <ProjectReference Include="..\..\src\HSchool.Schedule\HSchool.Schedule.csproj" />
+    <ProjectReference Include="..\..\src\HSchool.Simulation\HSchool.Simulation.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+</Project>

tests/HSchool.Architecture.Tests/LayerBoundaryTests.cs

@@ -0,0 +1,131 @@
+using HSchool.Ai;
+using HSchool.Content;
+using HSchool.People;
+using HSchool.Protocol;
+using HSchool.Schedule;
+using HSchool.Simulation;
+
+namespace HSchool.Architecture.Tests;
+
+public class LayerBoundaryTests
+{
+    private static readonly string[] LibraryFolders =
+    [
+        "HSchool.Protocol",
+        "HSchool.Content",
+        "HSchool.People",
+        "HSchool.Schedule",
+        "HSchool.Ai",
+        "HSchool.Simulation"
+    ];
+
+    private static readonly string[] OldTestProjects =
+    [
+        "HSchool.People.Tests",
+        "HSchool.Ai.Tests",
+        "HSchool.Schedule.Tests",
+        "HSchool.Simulation.Tests"
+    ];
+
+    [Fact]
+    public void Protocol_DoesNotReferenceArchAspNetSocketsContentOrSimulation()
+    {
+        var names = References(typeof(ProtocolCodec));
+        AssertNoArchAspNetOrSockets(names);
+        Assert.DoesNotContain("HSchool.Content", names, StringComparer.Ordinal);
+        Assert.DoesNotContain("HSchool.People", names, StringComparer.Ordinal);
+        Assert.DoesNotContain("HSchool.Schedule", names, StringComparer.Ordinal);
+        Assert.DoesNotContain("HSchool.Ai", names, StringComparer.Ordinal);
+        Assert.DoesNotContain("HSchool.Simulation", names, StringComparer.Ordinal);
+    }
+
+    [Fact]
+    public void Content_DoesNotReferenceArchAspNetSocketsProtocolOrSimulation()
+    {
+        var names = References(typeof(MapLayout));
+        AssertNoArchAspNetOrSockets(names);
+        Assert.DoesNotContain("HSchool.Protocol", names, StringComparer.Ordinal);
+        Assert.DoesNotContain("HSchool.Simulation", names, StringComparer.Ordinal);
+    }
+
+    [Theory]
+    [InlineData(typeof(RosterGenerator))]
+    [InlineData(typeof(TimetablePlanner))]
+    [InlineData(typeof(WalkGraph))]
+    public void PeopleScheduleAi_DoNotReferenceArchAspNetOrSockets(Type marker)
+    {
+        AssertNoArchAspNetOrSockets(References(marker));
+    }
+
+    [Fact]
+    public void Simulation_DoesNotReferenceAspNetOrSockets()
+    {
+        var names = References(typeof(School));
+        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
+        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
+    }
+
+    [Fact]
+    public void SixLibrarySources_DoNotUseWallClock()
+    {
+        foreach (var folder in LibraryFolders)
+        {
+            var root = Path.Combine(RepoRoot(), "src", folder);
+            Assert.True(Directory.Exists(root), root);
+            foreach (var path in SourceFiles(root))
+            {
+                var text = File.ReadAllText(path);
+                Assert.DoesNotContain("DateTime.Now", text, StringComparison.Ordinal);
+                Assert.DoesNotContain("DateTime.UtcNow", text, StringComparison.Ordinal);
+                // Unused `using System.Net.Http` never becomes a referenced assembly.
+                Assert.DoesNotContain("System.Net.Http", text, StringComparison.Ordinal);
+            }
+        }
+    }
+
+    [Fact]
+    public void PeopleAiScheduleSimulationTests_NoLongerCarryLayerBans()
+    {
+        foreach (var project in OldTestProjects)
+        {
+            var root = Path.Combine(RepoRoot(), "tests", project);
+            Assert.True(Directory.Exists(root), root);
+            foreach (var path in SourceFiles(root))
+            {
+                var text = File.ReadAllText(path);
+                Assert.DoesNotContain("Assembly_DoesNotReference", text, StringComparison.Ordinal);
+                Assert.DoesNotContain("Sources_DoNotUseWallClock", text, StringComparison.Ordinal);
+            }
+        }
+    }
+
+    private static IEnumerable<string> SourceFiles(string root) =>
+        Directory.EnumerateFiles(root, "*.cs", SearchOption.AllDirectories)
+            .Where(path => path.Split(Path.DirectorySeparatorChar).All(part => part is not ("bin" or "obj")));
+
+    private static string[] References(Type marker) =>
+        [.. marker.Assembly.GetReferencedAssemblies().Select(assembly => assembly.Name!)];
+
+    private static void AssertNoArchAspNetOrSockets(IEnumerable<string> names)
+    {
+        Assert.DoesNotContain(names, name => name.StartsWith("Arch", StringComparison.OrdinalIgnoreCase));
+        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
+        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
+    }
+
+    private static string RepoRoot()
+    {
+        var dir = new DirectoryInfo(AppContext.BaseDirectory);
+        while (dir is not null && !File.Exists(Path.Combine(dir.FullName, "h-school.sln")))
+        {
+            dir = dir.Parent;
+        }
+
+        if (dir is null)
+        {
+            throw new InvalidOperationException("Could not find h-school.sln from the test output directory.");
+        }
+
+        return dir.FullName;
+    }
+}

tests/HSchool.People.Tests/RosterGeneratorTests.cs

@@ -143,27 +143,6 @@ public class RosterGeneratorTests
         Assert.False(RosterFit.Matches(loaded, SchoolDemand.From(Fixtures.Catalog(), Fixtures.Classrooms(2))));
     }
 
-    [Fact]
-    public void Assembly_DoesNotReferenceArchAspNetOrSockets()
-    {
-        var names = typeof(RosterGenerator).Assembly.GetReferencedAssemblies().Select(assembly => assembly.Name!);
-        Assert.DoesNotContain(names, name => name.StartsWith("Arch", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
-    }
-
-    [Fact]
-    public void Sources_DoNotUseWallClock()
-    {
-        var root = Path.Combine(Fixtures.RepoRoot(), "src", "HSchool.People");
-        foreach (var path in Directory.EnumerateFiles(root, "*.cs"))
-        {
-            var text = File.ReadAllText(path);
-            Assert.DoesNotContain("DateTime.Now", text, StringComparison.Ordinal);
-            Assert.DoesNotContain("DateTime.UtcNow", text, StringComparison.Ordinal);
-        }
-    }
-
     private static void AssertFilled(Roster roster, int classrooms)
     {
         Assert.Equal(classrooms, roster.Classes.Count);

tests/HSchool.Schedule.Tests/TimetablePlannerTests.cs

@@ -125,27 +125,6 @@ public class TimetablePlannerTests
         Assert.Equal(Snapshot(a), Snapshot(b));
     }
 
-    [Fact]
-    public void Assembly_DoesNotReferenceArchAspNetOrSockets()
-    {
-        var names = typeof(TimetablePlanner).Assembly.GetReferencedAssemblies().Select(assembly => assembly.Name!);
-        Assert.DoesNotContain(names, name => name.StartsWith("Arch", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
-    }
-
-    [Fact]
-    public void Sources_DoNotUseWallClock()
-    {
-        var root = Path.Combine(Fixtures.RepoRoot(), "src", "HSchool.Schedule");
-        foreach (var path in Directory.EnumerateFiles(root, "*.cs"))
-        {
-            var text = File.ReadAllText(path);
-            Assert.DoesNotContain("DateTime.Now", text, StringComparison.Ordinal);
-            Assert.DoesNotContain("DateTime.UtcNow", text, StringComparison.Ordinal);
-        }
-    }
-
     /// <summary>
     /// The four bans alone allowed a legal but unusable week. Taking the first free slot day by
     /// day gave a full school 77 lessons on Monday and 16 on Friday, with three foreign-language

tests/HSchool.Simulation.Tests/PresenceTests.cs

@@ -274,14 +274,6 @@ public class PresenceTests
             "stale day plans after an assign that did not change headcount left the campus empty");
     }
 
-    [Fact]
-    public void Simulation_DoesNotReferenceSockets()
-    {
-        var names = typeof(School).Assembly.GetReferencedAssemblies().Select(assembly => assembly.Name!);
-        Assert.DoesNotContain(names, name => name.Contains("Sockets", StringComparison.OrdinalIgnoreCase));
-        Assert.DoesNotContain(names, name => name.Contains("AspNet", StringComparison.OrdinalIgnoreCase));
-    }
-
     private static School UnstaffedDuringLessonThree()
     {
         var start = new DateTime(2012, 4, 3, 10, 20, 0, DateTimeKind.Utc);