feat: add Godot C# compatibility and shared codegen weaving

Assets/Modules/ShrinkRuntime.Abstractions.meta

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Assets/Modules/ShrinkRuntime.Abstractions/Runtime.meta

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Assets/Modules/ShrinkRuntime.Abstractions/Runtime/ShrinkRuntime.Abstractions.asmdef

@@ -0,0 +1,5 @@
+{
+  "name": "ShrinkRuntime.Abstractions",
+  "rootNamespace": "ShrinkSDK.Runtime",
+  "autoReferenced": true
+}

Assets/Modules/ShrinkRuntime.Abstractions/Runtime/ShrinkRuntime.Abstractions.asmdef.meta

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Assets/Modules/ShrinkRuntime.Abstractions/Runtime/ShrinkRuntimeServices.cs

@@ -0,0 +1,127 @@
+#nullable enable
+
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace ShrinkSDK.Runtime
+{
+    public enum ShrinkLogLevel { Trace, Debug, Information, Warning, Error }
+
+    public interface IShrinkLogger
+    {
+        void Log(ShrinkLogLevel level, string message, Exception? exception = null);
+    }
+
+    public interface IShrinkMainThreadDispatcher
+    {
+        bool IsMainThread { get; }
+        bool TryPost(Action action);
+    }
+
+    public interface IShrinkClock
+    {
+        DateTimeOffset UtcNow { get; }
+        double UnscaledTimeSeconds { get; }
+    }
+
+    public interface IShrinkPathProvider
+    {
+        string PersistentDataPath { get; }
+        string TemporaryDataPath { get; }
+    }
+
+    public interface IShrinkScreenshotProvider
+    {
+        ValueTask<byte[]> CapturePngAsync(CancellationToken cancellationToken = default);
+    }
+
+    public interface IShrinkApplicationLifecycle
+    {
+        event Action? Paused;
+        event Action? Resumed;
+        event Action? Exiting;
+    }
+
+    public static class ShrinkLoggerExtensions
+    {
+        public static void Error(this IShrinkLogger logger, string message, Exception? exception = null) =>
+            logger.Log(ShrinkLogLevel.Error, message, exception);
+    }
+
+    public static class ShrinkRuntimeServices
+    {
+        private static IShrinkLogger _logger = new ConsoleLogger();
+        private static IShrinkMainThreadDispatcher _dispatcher = new InlineDispatcher();
+        private static IShrinkClock _clock = new SystemClock();
+        private static IShrinkPathProvider _paths = new SystemPaths();
+
+        public static IShrinkLogger Logger => _logger;
+        public static IShrinkMainThreadDispatcher Dispatcher => _dispatcher;
+        public static IShrinkClock Clock => _clock;
+        public static IShrinkPathProvider Paths => _paths;
+        public static IShrinkScreenshotProvider? Screenshots { get; private set; }
+        public static IShrinkApplicationLifecycle? Lifecycle { get; private set; }
+
+        public static void Configure(IShrinkLogger logger, IShrinkMainThreadDispatcher dispatcher,
+            IShrinkClock clock, IShrinkPathProvider paths,
+            IShrinkScreenshotProvider? screenshots = null, IShrinkApplicationLifecycle? lifecycle = null)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
+            _clock = clock ?? throw new ArgumentNullException(nameof(clock));
+            _paths = paths ?? throw new ArgumentNullException(nameof(paths));
+            Screenshots = screenshots;
+            Lifecycle = lifecycle;
+        }
+
+        private sealed class ConsoleLogger : IShrinkLogger
+        {
+            public void Log(ShrinkLogLevel level, string message, Exception? exception = null)
+            {
+                Console.WriteLine($"[{level}] {message}");
+                if (exception != null) Console.WriteLine(exception);
+            }
+        }
+
+        private sealed class InlineDispatcher : IShrinkMainThreadDispatcher
+        {
+            public bool IsMainThread => true;
+            public bool TryPost(Action action)
+            {
+                if (action == null) return false;
+                action();
+                return true;
+            }
+        }
+
+        private sealed class SystemClock : IShrinkClock
+        {
+            private readonly Stopwatch _stopwatch = Stopwatch.StartNew();
+            public DateTimeOffset UtcNow => DateTimeOffset.UtcNow;
+            public double UnscaledTimeSeconds => _stopwatch.Elapsed.TotalSeconds;
+        }
+
+        private sealed class SystemPaths : IShrinkPathProvider
+        {
+            public string PersistentDataPath => Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "ShrinkSDK");
+            public string TemporaryDataPath => Path.GetTempPath();
+        }
+    }
+
+    [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = false)]
+    public sealed class ShrinkCodeGenWovenAttribute : Attribute
+    {
+        public ShrinkCodeGenWovenAttribute(string weaverVersion, string inputMvid)
+        {
+            WeaverVersion = weaverVersion;
+            InputMvid = inputMvid;
+        }
+
+        public string WeaverVersion { get; }
+        public string InputMvid { get; }
+    }
+}

Assets/Modules/ShrinkRuntime.Abstractions/Runtime/ShrinkRuntimeServices.cs.meta

@@ -0,0 +1,11 @@
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Modules/ShrinkRuntime.Abstractions/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "com.cneicy.shrink-runtime-abstractions",
+  "version": "0.1.0",
+  "displayName": "ShrinkSDK Runtime Abstractions",
+  "description": "Engine-neutral runtime services and CodeGen marker contracts.",
+  "unity": "2022.3"
+}

Assets/Modules/ShrinkRuntime.Abstractions/package.json.meta

@@ -0,0 +1,7 @@
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+  externalObjects: {}
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+  assetBundleVariant: 

Godot/.gitignore

@@ -0,0 +1,7 @@
+**/bin/
+**/obj/
+**/.godot/
+Artifacts/
+Exports/
+!*.csproj
+!*.sln

Godot/CodeGen/ShrinkSDK.CodeGen.Analyzers/AnalyzerReleases.Shipped.md

@@ -0,0 +1,9 @@
+## Release 0.1.0
+
+### New Rules
+
+Rule ID | Category | Severity | Notes
+--------|----------|----------|-------
+SHRINK001 | ShrinkSDK.CodeGen | Error | Invalid event subscriber signature
+SHRINK002 | ShrinkSDK.CodeGen | Error | Duplicate network opcode and route
+SHRINK003 | ShrinkSDK.CodeGen | Error | Invalid application installer

Godot/CodeGen/ShrinkSDK.CodeGen.Analyzers/ShrinkCodeGenAnalyzer.cs

@@ -0,0 +1,75 @@
+#nullable enable
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Immutable;
+using System.Linq;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Diagnostics;
+
+namespace ShrinkSDK.CodeGen.Analyzers;
+
+[DiagnosticAnalyzer(LanguageNames.CSharp)]
+public sealed class ShrinkCodeGenAnalyzer : DiagnosticAnalyzer
+{
+    private static readonly DiagnosticDescriptor InvalidEventHandler = new(
+        "SHRINK001", "Invalid event subscriber signature",
+        "Method '{0}' must use void(TEvent), UniTask(TEvent), or UniTask(TEvent, CancellationToken)",
+        "ShrinkSDK.CodeGen", DiagnosticSeverity.Error, true);
+    private static readonly DiagnosticDescriptor DuplicateNetworkContract = new(
+        "SHRINK002", "Duplicate network opcode and route",
+        "Network opcode/route '{0}' is already declared by '{1}'",
+        "ShrinkSDK.CodeGen", DiagnosticSeverity.Error, true);
+    private static readonly DiagnosticDescriptor InvalidInstaller = new(
+        "SHRINK003", "Invalid application installer",
+        "Type '{0}' has ShrinkAppModuleInstaller but does not implement IShrinkAppModuleInstaller",
+        "ShrinkSDK.CodeGen", DiagnosticSeverity.Error, true);
+
+    public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics =>
+        ImmutableArray.Create(InvalidEventHandler, DuplicateNetworkContract, InvalidInstaller);
+
+    public override void Initialize(AnalysisContext context)
+    {
+        context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+        context.EnableConcurrentExecution();
+        context.RegisterCompilationStartAction(start =>
+        {
+            var networkContracts = new ConcurrentDictionary<string, INamedTypeSymbol>(StringComparer.Ordinal);
+            start.RegisterSymbolAction(symbolContext => AnalyzeMethod(symbolContext), SymbolKind.Method);
+            start.RegisterSymbolAction(symbolContext => AnalyzeType(symbolContext, networkContracts), SymbolKind.NamedType);
+        });
+    }
+
+    private static void AnalyzeMethod(SymbolAnalysisContext context)
+    {
+        var method = (IMethodSymbol)context.Symbol;
+        if (!HasAttribute(method, "ShrinkEventBus.ShrinkSubscribeAttribute")) return;
+        var parametersValid = method.Parameters.Length == 1 ||
+            method.Parameters.Length == 2 && method.Parameters[1].Type.ToDisplayString() == "System.Threading.CancellationToken";
+        var returnName = method.ReturnType.ToDisplayString();
+        var returnValid = method.Parameters.Length == 1 && (method.ReturnsVoid || returnName == "Cysharp.Threading.Tasks.UniTask") ||
+                          method.Parameters.Length == 2 && returnName == "Cysharp.Threading.Tasks.UniTask";
+        if (!parametersValid || !returnValid)
+            context.ReportDiagnostic(Diagnostic.Create(InvalidEventHandler, method.Locations.FirstOrDefault(), method.Name));
+    }
+
+    private static void AnalyzeType(SymbolAnalysisContext context, ConcurrentDictionary<string, INamedTypeSymbol> networkContracts)
+    {
+        var type = (INamedTypeSymbol)context.Symbol;
+        if (HasAttribute(type, "ShrinkApp.ShrinkAppModuleInstallerAttribute") &&
+            !type.AllInterfaces.Any(item => item.ToDisplayString() == "ShrinkApp.IShrinkAppModuleInstaller"))
+            context.ReportDiagnostic(Diagnostic.Create(InvalidInstaller, type.Locations.FirstOrDefault(), type.Name));
+
+        var network = type.GetAttributes().FirstOrDefault(attribute =>
+            attribute.AttributeClass?.ToDisplayString() == "ShrinkNetwork.ShrinkNetworkMessageAttribute");
+        if (network == null || network.ConstructorArguments.Length == 0) return;
+        var opcode = network.ConstructorArguments[0].Value?.ToString() ?? string.Empty;
+        var route = network.ConstructorArguments.Length > 1 ? network.ConstructorArguments[1].Value as string ?? string.Empty : string.Empty;
+        var key = opcode + ":" + route;
+        if (!networkContracts.TryAdd(key, type) && networkContracts.TryGetValue(key, out var previous))
+            context.ReportDiagnostic(Diagnostic.Create(DuplicateNetworkContract, type.Locations.FirstOrDefault(), key, previous.Name));
+    }
+
+    private static bool HasAttribute(ISymbol symbol, string fullName) =>
+        symbol.GetAttributes().Any(attribute => attribute.AttributeClass?.ToDisplayString() == fullName);
+}

Godot/CodeGen/ShrinkSDK.CodeGen.Analyzers/ShrinkSDK.CodeGen.Analyzers.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.CodeGen.Analyzers</AssemblyName>
+    <RootNamespace>ShrinkSDK.CodeGen.Analyzers</RootNamespace>
+    <IsPackable>false</IsPackable>
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+    <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" PrivateAssets="all" />
+  </ItemGroup>
+</Project>

Godot/CodeGen/ShrinkSDK.CodeGen.Core/ShrinkSDK.CodeGen.Core.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.CodeGen.Core</AssemblyName>
+    <RootNamespace>ShrinkSDK.CodeGen</RootNamespace>
+    <PackageId>ShrinkSDK.CodeGen.Core</PackageId>
+    <Version>0.1.0</Version>
+    <IsPackable>true</IsPackable>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkShared.CodeGen\Editor\Core\*.cs" />
+    <PackageReference Include="Mono.Cecil" Version="0.11.6" />
+  </ItemGroup>
+</Project>

Godot/CodeGen/ShrinkSDK.CodeGen.Task/ShrinkSDK.CodeGen.Task.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.CodeGen.Task</AssemblyName>
+    <RootNamespace>ShrinkSDK.CodeGen</RootNamespace>
+    <PackageId>ShrinkSDK.CodeGen</PackageId>
+    <Version>0.1.0</Version>
+    <Description>MSBuild integration for ShrinkSDK Cecil weaving.</Description>
+    <IsPackable>true</IsPackable>
+    <BuildOutputTargetFolder>tools</BuildOutputTargetFolder>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
+    <TargetsForTfmSpecificBuildOutput>$(TargetsForTfmSpecificBuildOutput);IncludeShrinkCodeGenDependencies</TargetsForTfmSpecificBuildOutput>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ShrinkSDK.CodeGen.Core\ShrinkSDK.CodeGen.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.CodeGen.Analyzers\ShrinkSDK.CodeGen.Analyzers.csproj" ReferenceOutputAssembly="false" />
+    <PackageReference Include="Mono.Cecil" Version="0.11.6" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Build.Framework" Version="17.14.28" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.14.28" PrivateAssets="all" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="buildTransitive\ShrinkSDK.CodeGen.props" Pack="true" PackagePath="buildTransitive\ShrinkSDK.CodeGen.props" />
+    <None Include="buildTransitive\ShrinkSDK.CodeGen.targets" Pack="true" PackagePath="buildTransitive\ShrinkSDK.CodeGen.targets" />
+    <None Include="..\ShrinkSDK.CodeGen.Analyzers\bin\$(Configuration)\netstandard2.0\ShrinkSDK.CodeGen.Analyzers.dll"
+          Pack="true" PackagePath="analyzers\dotnet\cs\ShrinkSDK.CodeGen.Analyzers.dll" />
+  </ItemGroup>
+  <Target Name="IncludeShrinkCodeGenDependencies" DependsOnTargets="Build">
+    <ItemGroup>
+      <BuildOutputInPackage Include="$(OutputPath)ShrinkSDK.CodeGen.Core.dll" />
+      <BuildOutputInPackage Include="$(OutputPath)Mono.Cecil.dll" />
+    </ItemGroup>
+  </Target>
+</Project>

Godot/CodeGen/ShrinkSDK.CodeGen.Task/ShrinkWeaveTask.cs

@@ -0,0 +1,98 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using Microsoft.Build.Framework;
+using Microsoft.Build.Utilities;
+
+namespace ShrinkSDK.CodeGen;
+
+public sealed class ShrinkWeaveTask : Task
+{
+    [Required]
+    public string AssemblyPath { get; set; } = string.Empty;
+
+    public string? PdbPath { get; set; }
+    public ITaskItem[] ReferencePaths { get; set; } = Array.Empty<ITaskItem>();
+    public string? StrongNameKeyFile { get; set; }
+
+    [Output] public bool Changed { get; private set; }
+    [Output] public int InstanceSubscriberCount { get; private set; }
+    [Output] public int StaticSubscriberCount { get; private set; }
+    [Output] public int RegistryEntryCount { get; private set; }
+
+    public override bool Execute()
+    {
+        if (!File.Exists(AssemblyPath))
+        {
+            Log.LogError($"[ShrinkSDK.CodeGen] Intermediate assembly does not exist: {AssemblyPath}");
+            return false;
+        }
+
+        var assemblyDirectory = Path.GetDirectoryName(Path.GetFullPath(AssemblyPath))!;
+        var temporaryAssembly = Path.Combine(assemblyDirectory, $".{Path.GetFileName(AssemblyPath)}.{Guid.NewGuid():N}.tmp");
+        var hasPdb = !string.IsNullOrWhiteSpace(PdbPath) && File.Exists(PdbPath);
+        var temporaryPdb = hasPdb
+            ? Path.Combine(assemblyDirectory, $".{Path.GetFileName(PdbPath)}.{Guid.NewGuid():N}.tmp")
+            : null;
+        try
+        {
+            var result = ShrinkAssemblyWeaver.Weave(
+                AssemblyPath,
+                hasPdb ? PdbPath : null,
+                ReferencePaths.Select(item => item.ItemSpec),
+                temporaryAssembly,
+                temporaryPdb,
+                ShrinkCodeGenPlatform.EngineNeutral,
+                StrongNameKeyFile);
+            foreach (var diagnostic in result.Diagnostics)
+            {
+                switch (diagnostic.Severity)
+                {
+                    case ShrinkCodeGenDiagnosticSeverity.Warning:
+                        Log.LogWarning($"[ShrinkSDK.CodeGen] {diagnostic.Message}");
+                        break;
+                    case ShrinkCodeGenDiagnosticSeverity.Error:
+                        Log.LogError($"[ShrinkSDK.CodeGen] {diagnostic.Message}");
+                        break;
+                    default:
+                        Log.LogMessage(MessageImportance.Low, $"[ShrinkSDK.CodeGen] {diagnostic.Message}");
+                        break;
+                }
+            }
+            if (!result.Succeeded)
+                return false;
+
+            Changed = result.Changed;
+            InstanceSubscriberCount = result.InstanceSubscribers;
+            StaticSubscriberCount = result.StaticSubscribers;
+            RegistryEntryCount = result.RegistryEntries;
+            if (Changed)
+            {
+                File.Move(temporaryAssembly, AssemblyPath, true);
+                if (hasPdb && temporaryPdb != null)
+                    File.Move(temporaryPdb, PdbPath!, true);
+            }
+            Log.LogMessage(MessageImportance.High,
+                $"[ShrinkSDK.CodeGen] {Path.GetFileName(AssemblyPath)} woven: instance={InstanceSubscriberCount}, static={StaticSubscriberCount}, registry={RegistryEntryCount}.");
+            return true;
+        }
+        catch (Exception exception)
+        {
+            Log.LogErrorFromException(exception, true);
+            return false;
+        }
+        finally
+        {
+            TryDelete(temporaryAssembly);
+            if (temporaryPdb != null) TryDelete(temporaryPdb);
+        }
+    }
+
+    private static void TryDelete(string path)
+    {
+        try { if (File.Exists(path)) File.Delete(path); }
+        catch { }
+    }
+}

Godot/CodeGen/ShrinkSDK.CodeGen.Task/buildTransitive/ShrinkSDK.CodeGen.props

@@ -0,0 +1,5 @@
+<Project>
+  <PropertyGroup>
+    <ShrinkCodeGenEnabled Condition="'$(ShrinkCodeGenEnabled)' == ''">true</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+</Project>

Godot/CodeGen/ShrinkSDK.CodeGen.Task/buildTransitive/ShrinkSDK.CodeGen.targets

@@ -0,0 +1,18 @@
+<Project>
+  <PropertyGroup>
+    <_ShrinkCodeGenTaskAssembly Condition="'$(_ShrinkCodeGenTaskAssembly)' == ''">$(MSBuildThisFileDirectory)..\tools\net8.0\ShrinkSDK.CodeGen.Task.dll</_ShrinkCodeGenTaskAssembly>
+  </PropertyGroup>
+  <UsingTask TaskName="ShrinkSDK.CodeGen.ShrinkWeaveTask" AssemblyFile="$(_ShrinkCodeGenTaskAssembly)" />
+  <Target Name="ShrinkCodeGenWeave"
+          AfterTargets="CoreCompile"
+          BeforeTargets="CopyFilesToOutputDirectory"
+          Condition="'$(ShrinkCodeGenEnabled)' == 'true' and '$(DesignTimeBuild)' != 'true'">
+    <PropertyGroup>
+      <_ShrinkCodeGenIntermediateAssembly>$(IntermediateOutputPath)$(TargetName).dll</_ShrinkCodeGenIntermediateAssembly>
+    </PropertyGroup>
+    <ShrinkWeaveTask AssemblyPath="$(_ShrinkCodeGenIntermediateAssembly)"
+                     PdbPath="$(IntermediateOutputPath)$(TargetName).pdb"
+                     ReferencePaths="@(ReferencePath)"
+                     StrongNameKeyFile="$(ShrinkCodeGenStrongNameKeyFile)" />
+  </Target>
+</Project>

Godot/Directory.Build.props

@@ -0,0 +1,13 @@
+<Project>
+  <PropertyGroup>
+    <LangVersion>latest</LangVersion>
+    <Nullable>enable</Nullable>
+    <Deterministic>true</Deterministic>
+    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+    <RepositoryUrl>https://git.crash.work/ShrinkSDK/Workspace</RepositoryUrl>
+    <Authors>ShrinkSDK</Authors>
+    <Company>ShrinkSDK</Company>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+  </PropertyGroup>
+</Project>

Godot/Installer/ShrinkSDK.Godot.Installer.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkSDK.Godot.Installer</AssemblyName>
+    <PackageId>ShrinkSDK.Godot.Installer</PackageId>
+    <Version>0.1.1</Version>
+    <Description>Godot Editor package manager and CodeGen diagnostics for ShrinkSDK.</Description>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="addons\shrinksdk\*.cs" />
+    <Compile Include="..\..\Assets\Modules\ShrinkInstaller\Editor\ShrinkPackageVersion.cs" Link="addons\shrinksdk\ShrinkPackageVersion.cs" />
+    <PackageReference Include="GodotSharp" Version="4.6.3" />
+    <PackageReference Include="GodotSharpEditor" Version="4.6.3" />
+    <None Include="addons\shrinksdk\plugin.cfg" Pack="true" PackagePath="contentFiles\any\any\addons\shrinksdk\plugin.cfg" />
+    <None Include="addons\shrinksdk\*.cs" Pack="true" PackagePath="contentFiles\any\any\addons\shrinksdk\" />
+    <None Include="..\..\Assets\Modules\ShrinkInstaller\Editor\ShrinkPackageVersion.cs" Pack="true" PackagePath="contentFiles\any\any\addons\shrinksdk\ShrinkPackageVersion.cs" />
+  </ItemGroup>
+</Project>

Godot/Installer/addons/shrinksdk/ShrinkGodotInstallerPlugin.cs

@@ -0,0 +1,133 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Godot;
+using ShrinkSDK.Installer;
+
+namespace ShrinkSDK.Godot.Editor;
+
+[Tool]
+public partial class ShrinkGodotInstallerPlugin : EditorPlugin
+{
+    private EditorDock? _panel;
+    private Label? _status;
+    private RichTextLabel? _output;
+    private readonly System.Collections.Generic.Dictionary<string, Button> _installActions =
+        new(StringComparer.OrdinalIgnoreCase);
+    private readonly System.Collections.Generic.Dictionary<string, Button> _removeActions =
+        new(StringComparer.OrdinalIgnoreCase);
+    private string ProjectDirectory => ProjectSettings.GlobalizePath("res://");
+    private string ProjectPath => Directory.GetFiles(ProjectDirectory, "*.csproj", SearchOption.TopDirectoryOnly).Single();
+
+    public override void _EnterTree()
+    {
+        _panel = new EditorDock { Name = "ShrinkSDK", Title = "ShrinkSDK", DefaultSlot = EditorDock.DockSlot.LeftBr };
+        var content = new VBoxContainer();
+        _panel.AddChild(content);
+        content.AddChild(new Label { Text = "ShrinkSDK Packages" });
+        _installActions.Clear();
+        _removeActions.Clear();
+        foreach (var package in ShrinkProjectPackageEditor.RecommendedPackages)
+        {
+            var row = new HBoxContainer();
+            row.AddChild(new Label { Text = $"{package.Key}  {package.Value}", SizeFlagsHorizontal = Control.SizeFlags.ExpandFill });
+            var install = new Button { Text = "Install / Update" };
+            install.Pressed += () => ChangePackage(package.Key, package.Value);
+            row.AddChild(install);
+            _installActions[package.Key] = install;
+            var remove = new Button { Text = "Remove" };
+            remove.Pressed += () => ChangePackage(package.Key, null);
+            row.AddChild(remove);
+            _removeActions[package.Key] = remove;
+            content.AddChild(row);
+        }
+        var restore = new Button { Text = "Restore and Build" };
+        restore.Pressed += BuildProject;
+        content.AddChild(restore);
+        _status = new Label { Text = "CodeGen: not built" };
+        content.AddChild(_status);
+        _output = new RichTextLabel { FitContent = true, CustomMinimumSize = new Vector2(360, 180) };
+        content.AddChild(_output);
+        AddDock(_panel);
+        RefreshInstalledState();
+    }
+
+    public override void _ExitTree()
+    {
+        if (_panel == null) return;
+        RemoveDock(_panel);
+        _panel.QueueFree();
+        _panel = null;
+    }
+
+    private async void ChangePackage(string packageId, string? version)
+    {
+        try
+        {
+            ShrinkProjectPackageEditor.EnsureShrinkFeed(Path.Combine(ProjectDirectory, "NuGet.Config"));
+            ShrinkProjectPackageEditor.SetPackageReference(ProjectPath, packageId, version);
+            await RunBuild("restore");
+        }
+        catch (Exception exception) { ShowFailure(exception); }
+    }
+
+    private async void BuildProject()
+    {
+        try { await RunBuild("build"); }
+        catch (Exception exception) { ShowFailure(exception); }
+    }
+
+    private async System.Threading.Tasks.Task RunBuild(string command)
+    {
+        _status!.Text = $"CodeGen: running dotnet {command}";
+        var result = await ShrinkProjectPackageEditor.RunDotnetAsync(ProjectDirectory, $"{command} \"{ProjectPath}\" /nr:false");
+        _output!.Text = result.Output;
+        var match = Regex.Matches(result.Output, @"\[ShrinkSDK\.CodeGen\].*woven: instance=(\d+), static=(\d+), registry=(\d+)").Cast<Match>().LastOrDefault();
+        _status.Text = result.ExitCode == 0
+            ? match == null ? "CodeGen: build succeeded (no attributed registrations)" : $"CodeGen: woven; instance={match.Groups[1].Value}, static={match.Groups[2].Value}, registry={match.Groups[3].Value}"
+            : "CodeGen: build failed";
+        RefreshInstalledState();
+    }
+
+    private void RefreshInstalledState()
+    {
+        if (_output == null) return;
+        var installed = File.Exists(ProjectPath)
+            ? ShrinkProjectPackageEditor.ReadPackageReferences(ProjectPath)
+            : new System.Collections.Generic.Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        foreach (var package in ShrinkProjectPackageEditor.RecommendedPackages)
+        {
+            var hasInstalled = installed.TryGetValue(package.Key, out var installedVersion);
+            var relation = hasInstalled
+                ? ShrinkPackageVersion.Classify(installedVersion, package.Value)
+                : ShrinkPackageVersionRelation.Unknown;
+            if (_installActions.TryGetValue(package.Key, out var install))
+            {
+                install.Text = !hasInstalled
+                    ? $"Install {package.Value}"
+                    : relation switch
+                    {
+                        ShrinkPackageVersionRelation.Equal => $"Installed {installedVersion}",
+                        ShrinkPackageVersionRelation.Newer => $"Newer {installedVersion}",
+                        ShrinkPackageVersionRelation.Older => $"Upgrade {installedVersion} → {package.Value}",
+                        _ => $"Update {installedVersion} → {package.Value}"
+                    };
+                install.Disabled = hasInstalled && relation is
+                    ShrinkPackageVersionRelation.Equal or ShrinkPackageVersionRelation.Newer;
+            }
+            if (_removeActions.TryGetValue(package.Key, out var remove))
+                remove.Disabled = !hasInstalled;
+        }
+        _output.Text = "Direct packages: " + string.Join(", ", installed.Select(item => $"{item.Key}@{item.Value}"));
+    }
+
+    private void ShowFailure(Exception exception)
+    {
+        _status!.Text = "CodeGen: operation failed";
+        _output!.Text = exception.ToString();
+        GD.PushError(exception.ToString());
+    }
+}

Godot/Installer/addons/shrinksdk/ShrinkProjectPackageEditor.cs

@@ -0,0 +1,148 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ShrinkSDK.Godot.Editor;
+
+public static class ShrinkProjectPackageEditor
+{
+    public static readonly IReadOnlyDictionary<string, string> RecommendedPackages =
+        new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        {
+            ["ShrinkSDK.Godot"] = "0.1.0",
+            ["ShrinkSDK.EventBus"] = "2.1.0",
+            ["ShrinkSDK.Context.Core"] = "0.2.0",
+            ["ShrinkSDK.Command"] = "0.3.0",
+            ["ShrinkSDK.Command.Integration.EventBus"] = "0.2.0",
+            ["ShrinkSDK.Command.Integration.Network"] = "0.2.0",
+            ["ShrinkSDK.Command.Integration.App"] = "0.2.0",
+            ["ShrinkSDK.Network"] = "0.3.0",
+            ["ShrinkSDK.Network.Integration.EventBus"] = "0.2.0",
+            ["ShrinkSDK.Network.Integration.App"] = "0.2.0",
+            ["ShrinkSDK.DataSaver"] = "2.3.0",
+            ["ShrinkSDK.DataSaver.Integration.EventBus"] = "2.2.0",
+            ["ShrinkSDK.DataSaver.Integration.App"] = "0.2.0",
+            ["ShrinkSDK.App.Core"] = "0.2.0",
+            ["ShrinkSDK.Context.AppAdapter"] = "0.2.0",
+            ["ShrinkSDK.App.Starter.Basic"] = "0.3.0",
+            ["ShrinkSDK.ModFramework"] = "0.3.0",
+            ["ShrinkSDK.ModFramework.Godot"] = "0.1.0",
+            ["ShrinkSDK.Tutorial"] = "0.2.0",
+            ["ShrinkSDK.Tutorial.Godot"] = "0.1.0"
+        };
+
+    public static IReadOnlyDictionary<string, string> ReadPackageReferences(string projectPath)
+    {
+        var document = XDocument.Load(projectPath, LoadOptions.PreserveWhitespace);
+        return document.Descendants("PackageReference")
+            .Select(element => new
+            {
+                Id = ((string?)element.Attribute("Include") ?? (string?)element.Attribute("Update"))?.Trim(),
+                Version = ((string?)element.Attribute("Version") ??
+                           (string?)element.Attribute("VersionOverride") ??
+                           element.Element("Version")?.Value)?.Trim() ?? string.Empty
+            })
+            .Where(item => !string.IsNullOrWhiteSpace(item.Id))
+            .GroupBy(item => item.Id!, StringComparer.OrdinalIgnoreCase)
+            .ToDictionary(group => group.Key, group => group.First().Version, StringComparer.OrdinalIgnoreCase);
+    }
+
+    public static void SetPackageReference(string projectPath, string packageId, string? version)
+    {
+        var document = XDocument.Load(projectPath, LoadOptions.PreserveWhitespace);
+        var root = document.Root ?? throw new InvalidDataException("The C# project has no root element.");
+        var references = root.Descendants("PackageReference").Where(element =>
+            string.Equals((string?)element.Attribute("Include"), packageId, StringComparison.OrdinalIgnoreCase)).ToArray();
+        foreach (var duplicate in references.Skip(1)) duplicate.Remove();
+        if (string.IsNullOrWhiteSpace(version))
+        {
+            foreach (var reference in references) reference.Remove();
+        }
+        else if (references.Length > 0)
+        {
+            var reference = references[0];
+            if (reference.Attribute("VersionOverride") != null)
+                reference.SetAttributeValue("VersionOverride", version);
+            else if (reference.Attribute("Version") != null)
+                reference.SetAttributeValue("Version", version);
+            else if (reference.Element("Version") != null)
+                reference.Element("Version")!.Value = version;
+            else
+                reference.SetAttributeValue("Version", version);
+        }
+        else
+        {
+            var group = root.Elements("ItemGroup").FirstOrDefault(element => element.Elements("PackageReference").Any());
+            if (group == null)
+            {
+                group = new XElement("ItemGroup");
+                root.Add(group);
+            }
+            group.Add(new XElement("PackageReference", new XAttribute("Include", packageId), new XAttribute("Version", version)));
+        }
+        WriteAtomically(projectPath, document);
+    }
+
+    public static void EnsureShrinkFeed(string nugetConfigPath)
+    {
+        XDocument document;
+        if (File.Exists(nugetConfigPath)) document = XDocument.Load(nugetConfigPath, LoadOptions.PreserveWhitespace);
+        else document = new XDocument(new XDeclaration("1.0", "utf-8", null), new XElement("configuration"));
+        var root = document.Root ?? throw new InvalidDataException("NuGet.Config has no root element.");
+        var sources = root.Element("packageSources");
+        if (sources == null)
+        {
+            sources = new XElement("packageSources");
+            root.Add(sources);
+        }
+        var existing = sources.Elements("add").FirstOrDefault(element =>
+            string.Equals((string?)element.Attribute("key"), "ShrinkSDK", StringComparison.OrdinalIgnoreCase));
+        if (existing == null)
+            sources.Add(new XElement("add", new XAttribute("key", "ShrinkSDK"),
+                new XAttribute("value", "https://git.crash.work/api/packages/ShrinkSDK/nuget/index.json")));
+        else
+            existing.SetAttributeValue("value", "https://git.crash.work/api/packages/ShrinkSDK/nuget/index.json");
+        WriteAtomically(nugetConfigPath, document);
+    }
+
+    public static async Task<(int ExitCode, string Output)> RunDotnetAsync(string projectDirectory,
+        string arguments, CancellationToken cancellationToken = default)
+    {
+        var output = new StringBuilder();
+        using var process = new Process
+        {
+            StartInfo = new ProcessStartInfo("dotnet", arguments)
+            {
+                WorkingDirectory = projectDirectory,
+                UseShellExecute = false,
+                RedirectStandardOutput = true,
+                RedirectStandardError = true,
+                CreateNoWindow = true
+            }
+        };
+        process.OutputDataReceived += (_, args) => { if (args.Data != null) output.AppendLine(args.Data); };
+        process.ErrorDataReceived += (_, args) => { if (args.Data != null) output.AppendLine(args.Data); };
+        process.Start();
+        process.BeginOutputReadLine();
+        process.BeginErrorReadLine();
+        await process.WaitForExitAsync(cancellationToken);
+        return (process.ExitCode, output.ToString());
+    }
+
+    private static void WriteAtomically(string path, XDocument document)
+    {
+        Directory.CreateDirectory(Path.GetDirectoryName(Path.GetFullPath(path))!);
+        var temporaryPath = path + ".shrinksdk.tmp";
+        using (var writer = new StreamWriter(temporaryPath, false, new UTF8Encoding(false)))
+            document.Save(writer, SaveOptions.DisableFormatting);
+        File.Move(temporaryPath, path, true);
+    }
+}

Godot/Installer/addons/shrinksdk/plugin.cfg

@@ -0,0 +1,7 @@
+[plugin]
+
+name="ShrinkSDK Installer"
+description="Installs and diagnoses ShrinkSDK NuGet modules and CodeGen weaving."
+author="ShrinkSDK"
+version="0.1.1"
+script="ShrinkGodotInstallerPlugin.cs"

Godot/NuGet.Config

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="Godot Local" value="C:\Users\im\Documents\godothub\engine\4.6.3-stable-mono\GodotSharp\Tools\nupkgs" />
+    <add key="ShrinkSDK Local" value="Artifacts" />
+    <add key="ShrinkSDK" value="https://git.crash.work/api/packages/ShrinkSDK/nuget/index.json" />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+  </packageSources>
+</configuration>

Godot/Packages/ShrinkSDK.App.Core/Runtime/ShrinkAppCore.cs

@@ -0,0 +1,137 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Cysharp.Threading.Tasks;
+
+namespace ShrinkApp;
+
+[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
+public sealed class ShrinkAppModuleInstallerAttribute : Attribute { }
+
+public interface IShrinkAppModuleInstaller
+{
+    string ModuleId { get; }
+    int Order { get; }
+    IReadOnlyList<string> DependsOn { get; }
+    void RegisterServices(ShrinkAppContext context);
+    UniTask InitializeAsync(ShrinkAppContext context);
+}
+
+public interface IShrinkAppModuleShutdown
+{
+    UniTask ShutdownAsync(ShrinkAppContext context);
+}
+
+public sealed class ShrinkAppSettings
+{
+    public bool VerboseLogging { get; set; }
+    public string[] DisabledModuleIds { get; set; } = Array.Empty<string>();
+}
+
+public sealed class ShrinkAppServices
+{
+    private readonly Dictionary<Type, object> _services = new();
+    public void Register<T>(T service) where T : class => _services[typeof(T)] = service ?? throw new ArgumentNullException(nameof(service));
+    public bool TryGet<T>(out T? service) where T : class
+    {
+        service = _services.TryGetValue(typeof(T), out var value) ? value as T : null;
+        return service != null;
+    }
+    public T GetRequired<T>() where T : class => TryGet<T>(out var value) ? value! : throw new InvalidOperationException($"Required service is not registered: {typeof(T).FullName}");
+    public bool TryUnregister<T>(T service) where T : class => _services.TryGetValue(typeof(T), out var value) && ReferenceEquals(value, service) && _services.Remove(typeof(T));
+}
+
+public sealed class ShrinkAppContext
+{
+    public ShrinkAppContext(object? host, ShrinkAppSettings settings, ShrinkAppServices services)
+    {
+        Host = host;
+        Settings = settings ?? throw new ArgumentNullException(nameof(settings));
+        Services = services ?? throw new ArgumentNullException(nameof(services));
+    }
+    public object? Host { get; }
+    public ShrinkAppSettings Settings { get; }
+    public ShrinkAppServices Services { get; }
+    public static ShrinkAppContext CreateStandalone(ShrinkAppServices services, ShrinkAppSettings? settings = null) => new(null, settings ?? new ShrinkAppSettings(), services);
+}
+
+public sealed class ShrinkAppRuntime
+{
+    private readonly List<IShrinkAppModuleInstaller> _started = new();
+    public ShrinkAppRuntime(object? host = null, ShrinkAppSettings? settings = null, ShrinkAppServices? services = null)
+    {
+        Context = new ShrinkAppContext(host, settings ?? new ShrinkAppSettings(), services ?? new ShrinkAppServices());
+    }
+    public ShrinkAppContext Context { get; }
+    public bool IsRunning { get; private set; }
+    public IReadOnlyList<string> StartedModules => _started.Select(item => item.ModuleId).ToArray();
+
+    public async UniTask StartAsync()
+    {
+        if (IsRunning) return;
+        var installers = Sort(CreateInstallers(), Context.Settings.DisabledModuleIds);
+        try
+        {
+            foreach (var installer in installers) installer.RegisterServices(Context);
+            foreach (var installer in installers)
+            {
+                await installer.InitializeAsync(Context);
+                _started.Add(installer);
+            }
+            IsRunning = true;
+        }
+        catch
+        {
+            await ShutdownStartedAsync();
+            throw;
+        }
+    }
+
+    public async UniTask ShutdownAsync()
+    {
+        await ShutdownStartedAsync();
+        IsRunning = false;
+    }
+
+    private async UniTask ShutdownStartedAsync()
+    {
+        for (var index = _started.Count - 1; index >= 0; index--)
+            if (_started[index] is IShrinkAppModuleShutdown shutdown) await shutdown.ShutdownAsync(Context);
+        _started.Clear();
+    }
+
+    private static IReadOnlyList<IShrinkAppModuleInstaller> CreateInstallers() =>
+        ShrinkAppInstallers.GetDiscoveredInstallerTypes().Select(type =>
+            Activator.CreateInstance(type) as IShrinkAppModuleInstaller ?? throw new InvalidOperationException($"Failed to create installer: {type.FullName}"))
+            .ToArray();
+
+    private static IReadOnlyList<IShrinkAppModuleInstaller> Sort(IEnumerable<IShrinkAppModuleInstaller> source, IEnumerable<string> disabledIds)
+    {
+        var disabled = new HashSet<string>(disabledIds ?? Array.Empty<string>(), StringComparer.OrdinalIgnoreCase);
+        var byId = source.Where(item => !disabled.Contains(item.ModuleId)).ToDictionary(item => item.ModuleId, StringComparer.OrdinalIgnoreCase);
+        var states = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
+        var result = new List<IShrinkAppModuleInstaller>();
+        foreach (var installer in byId.Values.OrderBy(item => item.Order).ThenBy(item => item.ModuleId, StringComparer.OrdinalIgnoreCase))
+            Visit(installer, byId, states, result);
+        return result;
+    }
+
+    private static void Visit(IShrinkAppModuleInstaller installer, IReadOnlyDictionary<string, IShrinkAppModuleInstaller> byId,
+        IDictionary<string, int> states, ICollection<IShrinkAppModuleInstaller> result)
+    {
+        var state = states.TryGetValue(installer.ModuleId, out var value) ? value : 0;
+        if (state == 2) return;
+        if (state == 1) throw new InvalidOperationException($"Circular installer dependency: {installer.ModuleId}");
+        states[installer.ModuleId] = 1;
+        foreach (var dependencyId in installer.DependsOn ?? Array.Empty<string>())
+        {
+            if (!byId.TryGetValue(dependencyId, out var dependency))
+                throw new InvalidOperationException($"Installer dependency missing. Module={installer.ModuleId}, DependsOn={dependencyId}");
+            Visit(dependency, byId, states, result);
+        }
+        states[installer.ModuleId] = 2;
+        result.Add(installer);
+    }
+}

Godot/Packages/ShrinkSDK.App.Core/ShrinkSDK.App.Core.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkApp.Core.Runtime</AssemblyName>
+    <RootNamespace>ShrinkApp</RootNamespace>
+    <PackageId>ShrinkSDK.App.Core</PackageId>
+    <Version>0.2.0</Version>
+    <Description>ShrinkSDK engine-neutral application composition runtime.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\ShrinkAppCore.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkApp.Core\Runtime\ShrinkAppGeneratedRegistry.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkApp.Core\Runtime\ShrinkAppInstallers.cs" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.App.Starter.Basic/Runtime/ShrinkBasicComposition.cs

@@ -0,0 +1,34 @@
+#nullable enable
+
+using System.Collections.Generic;
+using ShrinkApp;
+using ShrinkCommand.Integration.App;
+using ShrinkContext;
+using ShrinkContext.AppAdapter;
+using ShrinkDataSaver.Integration.App;
+using ShrinkNetwork.Integration.App;
+
+namespace ShrinkApp.Starter.Basic;
+
+public static class ShrinkBasicComposition
+{
+    public static ShrinkContextAppHost CreateHost(ShrinkAppServices? services = null)
+    {
+        var host = new ShrinkContextAppHost(services);
+        host.Register<ShrinkCommandAppComponent>("shrink.command");
+        host.Register<ShrinkDataSaverAppComponent>("shrink.datasaver");
+        host.Register<ShrinkNetworkAppComponent>("shrink.network");
+        return host;
+    }
+
+    public static IReadOnlyList<ShrinkLoaderEntry> CreateEntries(ShrinkAppServices services,
+        ShrinkNetworkAppModuleConfig? network = null) => new[]
+    {
+        new ShrinkLoaderEntry("datasaver", "shrink.datasaver", services),
+        new ShrinkLoaderEntry("command", "shrink.command", services),
+        new ShrinkLoaderEntry("network", "shrink.network", network ?? new ShrinkNetworkAppModuleConfig
+        {
+            Services = services
+        })
+    };
+}

Godot/Packages/ShrinkSDK.App.Starter.Basic/ShrinkSDK.App.Starter.Basic.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkApp.Starter.Basic</AssemblyName>
+    <RootNamespace>ShrinkApp.Starter.Basic</RootNamespace>
+    <PackageId>ShrinkSDK.App.Starter.Basic</PackageId>
+    <Version>0.3.0</Version>
+    <Description>Engine-neutral basic ShrinkApp composition.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.App.Core\ShrinkSDK.App.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.AppAdapter\ShrinkSDK.Context.AppAdapter.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Command.Integration.App\ShrinkSDK.Command.Integration.App.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.DataSaver.Integration.App\ShrinkSDK.DataSaver.Integration.App.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Network.Integration.App\ShrinkSDK.Network.Integration.App.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Command.Integration.EventBus/ShrinkSDK.Command.Integration.EventBus.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkCommand.Integration.EventBus</AssemblyName>
+    <RootNamespace>ShrinkCommand.Integration</RootNamespace>
+    <PackageId>ShrinkSDK.Command.Integration.EventBus</PackageId>
+    <Version>0.2.0</Version>
+    <Description>ShrinkCommand and EventBus integration.</Description>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkCommand.Integration.EventBus\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Command.Integration.Network/ShrinkSDK.Command.Integration.Network.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkCommand.Integration.Network</AssemblyName>
+    <RootNamespace>ShrinkCommand.Integration</RootNamespace>
+    <PackageId>ShrinkSDK.Command.Integration.Network</PackageId>
+    <Version>0.2.0</Version>
+    <Description>ShrinkCommand and Network RPC integration.</Description>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkCommand.Integration.Network\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Command/ShrinkSDK.Command.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkCommand.Runtime</AssemblyName>
+    <RootNamespace>ShrinkCommand</RootNamespace>
+    <PackageId>ShrinkSDK.Command</PackageId>
+    <Version>0.3.0</Version>
+    <Description>ShrinkSDK command parsing, permissions and execution runtime.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkCommand\Runtime\**\*.cs" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Context.AppAdapter/Runtime/ShrinkContextAppHost.cs

@@ -0,0 +1,31 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using Cysharp.Threading.Tasks;
+using ShrinkApp;
+
+namespace ShrinkContext.AppAdapter;
+
+public sealed class ShrinkContextAppHost
+{
+    private readonly ShrinkContextRuntime _runtime = new();
+    private readonly ShrinkComponentCatalog _catalog = new();
+    private readonly ShrinkContextLoader _loader;
+
+    public ShrinkContextAppHost(ShrinkAppServices? services = null)
+    {
+        Services = services ?? new ShrinkAppServices();
+        _loader = new ShrinkContextLoader(_runtime, _catalog);
+    }
+
+    public ShrinkAppServices Services { get; }
+    public ShrinkContextRuntime Runtime => _runtime;
+    public ShrinkLoaderTransactionDiagnostic? LastTransaction => _loader.LastTransaction;
+
+    public void Register(string name, Func<IShrinkComponent> factory) => _catalog.Register(name, factory);
+    public void Register<TComponent>(string name) where TComponent : IShrinkComponent, new() =>
+        _catalog.Register<TComponent>(name);
+    public UniTask ApplyAsync(IReadOnlyList<ShrinkLoaderEntry> entries) => _loader.ApplyAsync(entries);
+    public UniTask ShutdownAsync() => _runtime.ShutdownAsync();
+}

Godot/Packages/ShrinkSDK.Context.AppAdapter/ShrinkSDK.Context.AppAdapter.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkContext.AppAdapter</AssemblyName>
+    <RootNamespace>ShrinkContext.AppAdapter</RootNamespace>
+    <PackageId>ShrinkSDK.Context.AppAdapter</PackageId>
+    <Version>0.2.0</Version>
+    <Description>Engine-neutral ShrinkContext composition host for ShrinkApp.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.App.Core\ShrinkSDK.App.Core.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Context.Core/ShrinkSDK.Context.Core.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkContext.Core.Runtime</AssemblyName>
+    <RootNamespace>ShrinkContext</RootNamespace>
+    <PackageId>ShrinkSDK.Context.Core</PackageId>
+    <Version>0.2.0</Version>
+    <Description>ShrinkSDK reversible context and fiber runtime.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkContext.Core\Runtime\**\*.cs" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.DataSaver.Integration.EventBus/ShrinkSDK.DataSaver.Integration.EventBus.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkDataSaver.Integration.EventBus</AssemblyName>
+    <RootNamespace>ShrinkDataSaver.Integration</RootNamespace>
+    <PackageId>ShrinkSDK.DataSaver.Integration.EventBus</PackageId>
+    <Version>2.2.0</Version>
+    <Description>ShrinkDataSaver and EventBus integration.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver.Integration.EventBus\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.DataSaver\ShrinkSDK.DataSaver.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.DataSaver/Runtime/ShrinkDataSaverRuntime.cs

@@ -0,0 +1,43 @@
+#nullable enable
+
+using System.IO;
+using Cysharp.Threading.Tasks;
+using ShrinkSDK.Runtime;
+
+namespace ShrinkDataSaver;
+
+public sealed class ShrinkDataSaverRuntimeConfig
+{
+    public string? RootPath { get; set; }
+    public string SaveFileExtension { get; set; } = ".sav";
+    public string SettingsFileName { get; set; } = "settings.json";
+    public int CurrentSaveVersion { get; set; } = 1;
+    public int MaxSlots { get; set; } = 3;
+    public float SettingsWriteDebounceSeconds { get; set; } = 0.35f;
+    public bool DontDestroyOnLoadDriver { get; set; }
+}
+
+public static class ShrinkDataSaverRuntime
+{
+    public static bool IsInitialized { get; private set; }
+
+    public static void Initialize(ShrinkDataSaverRuntimeConfig? config = null)
+    {
+        if (IsInitialized) return;
+        config ??= new ShrinkDataSaverRuntimeConfig();
+        var root = string.IsNullOrWhiteSpace(config.RootPath)
+            ? ShrinkRuntimeServices.Paths.PersistentDataPath
+            : config.RootPath!;
+        Directory.CreateDirectory(root);
+        var storage = new LocalStorageProvider(root);
+        ShrinkDataSaverPlatform.SettingsWriteDebounceSeconds = config.SettingsWriteDebounceSeconds;
+        ShrinkDataSaverPlatform.MaxSlots = config.MaxSlots;
+        ShrinkSettings.Initialize(storage, Path.Combine(root, config.SettingsFileName));
+        ShrinkSave.Initialize(storage, Path.Combine(root, "saves"), config.SaveFileExtension,
+            config.CurrentSaveVersion);
+        ShrinkSettings.LoadAsync().Forget();
+        IsInitialized = true;
+        ShrinkRuntimeServices.Logger.Log(ShrinkLogLevel.Information,
+            $"[ShrinkDataSaver] Runtime initialized. Root: {root}");
+    }
+}

Godot/Packages/ShrinkSDK.DataSaver/ShrinkSDK.DataSaver.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkDataSaver.Runtime</AssemblyName>
+    <RootNamespace>ShrinkDataSaver</RootNamespace>
+    <PackageId>ShrinkSDK.DataSaver</PackageId>
+    <Version>2.3.0</Version>
+    <Description>ShrinkSDK engine-neutral versioned save and settings runtime.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\ShrinkDataSaverRuntime.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\AssemblyInfo.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\DataSerializer.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\IStorageProvider.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\LocalStorageProvider.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\MigrationChain.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\SaveEncryptor.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\SaveTypes.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\ShrinkDataSaverPlatform.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\ShrinkSave.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkDataSaver\Runtime\ShrinkSettings.cs" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.EventBus/ShrinkSDK.EventBus.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkEventBus.Runtime</AssemblyName>
+    <RootNamespace>ShrinkEventBus</RootNamespace>
+    <PackageId>ShrinkSDK.EventBus</PackageId>
+    <Version>2.1.0</Version>
+    <Description>ShrinkSDK typed event bus runtime.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkEventBus\Runtime\**\*.cs"
+             Exclude="..\..\..\Assets\Modules\ShrinkEventBus\Runtime\ShrinkMonoEventScope.cs" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Godot/ShrinkGodotHost.cs

@@ -0,0 +1,154 @@
+#nullable enable
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Threading;
+using System.Threading.Tasks;
+using Cysharp.Threading.Tasks;
+using Godot;
+using ShrinkEventBus;
+using ShrinkDataSaver;
+using ShrinkApp;
+using ShrinkNetwork;
+using ShrinkSDK.Runtime;
+
+namespace ShrinkSDK.Godot;
+
+public partial class ShrinkGodotHost : Node, IShrinkMainThreadDispatcher,
+    IShrinkLogger, IShrinkClock, IShrinkPathProvider, IShrinkScreenshotProvider,
+    IShrinkApplicationLifecycle
+{
+    private readonly ConcurrentQueue<Action> _dispatchQueue = new();
+    private readonly Dictionary<ShrinkNetworkService, ShrinkNetworkDispatchQueue> _networkServices = new();
+    private int _mainThreadId;
+    private bool _networkPumpRunning;
+    private ShrinkAppRuntime? _appRuntime;
+
+    public event Action? Paused;
+    public event Action? Resumed;
+    public event Action? Exiting;
+
+    [Export] public int DispatchBudgetPerFrame { get; set; } = 256;
+    [Export] public int NetworkDispatchBudgetPerFrame { get; set; } = 256;
+
+    public bool IsMainThread => Thread.CurrentThread.ManagedThreadId == _mainThreadId;
+    public DateTimeOffset UtcNow => DateTimeOffset.UtcNow;
+    public double UnscaledTimeSeconds => Time.GetTicksMsec() / 1000d;
+    public string PersistentDataPath => ProjectSettings.GlobalizePath("user://");
+    public string TemporaryDataPath => OS.GetCacheDir();
+
+    public override void _Ready()
+    {
+        _mainThreadId = Thread.CurrentThread.ManagedThreadId;
+        ShrinkRuntimeServices.Configure(this, this, this, this, this, this);
+        ShrinkEventBusRuntime.ConfigureMainThreadDispatcher(this);
+        ShrinkDataSaverPlatform.Configure(this, this, this, this);
+        SetProcess(true);
+    }
+
+    public override void _Process(double delta)
+    {
+        var budget = Math.Max(1, DispatchBudgetPerFrame);
+        while (budget-- > 0 && _dispatchQueue.TryDequeue(out var action))
+            action();
+        PumpNetworkAsync().Forget();
+    }
+
+    public override void _Notification(int what)
+    {
+        switch ((long)what)
+        {
+            case NotificationApplicationPaused:
+            case NotificationApplicationFocusOut:
+                Paused?.Invoke();
+                break;
+            case NotificationApplicationResumed:
+            case NotificationApplicationFocusIn:
+                Resumed?.Invoke();
+                break;
+            case NotificationWMCloseRequest:
+            case NotificationPredelete:
+                Exiting?.Invoke();
+                break;
+        }
+    }
+
+    public async UniTask<ShrinkAppRuntime> StartAppAsync(ShrinkAppSettings? settings = null, ShrinkAppServices? services = null)
+    {
+        if (_appRuntime?.IsRunning == true) return _appRuntime;
+        _appRuntime = new ShrinkAppRuntime(this, settings, services);
+        await _appRuntime.StartAsync();
+        return _appRuntime;
+    }
+
+    public async UniTask ShutdownAppAsync()
+    {
+        if (_appRuntime == null) return;
+        await _appRuntime.ShutdownAsync();
+        _appRuntime = null;
+    }
+
+    public bool TryPost(Action action)
+    {
+        if (action == null) throw new ArgumentNullException(nameof(action));
+        _dispatchQueue.Enqueue(action);
+        return true;
+    }
+
+    public void AddNetworkService(ShrinkNetworkService service)
+    {
+        if (service == null) throw new ArgumentNullException(nameof(service));
+        if (_networkServices.ContainsKey(service)) return;
+        var queue = new ShrinkNetworkDispatchQueue(Math.Max(1, NetworkDispatchBudgetPerFrame * 4));
+        service.DispatchScheduler = queue;
+        _networkServices.Add(service, queue);
+    }
+
+    public bool RemoveNetworkService(ShrinkNetworkService service)
+    {
+        if (!_networkServices.Remove(service, out var queue)) return false;
+        service.DispatchScheduler = ShrinkNetworkDispatchSchedulers.Inline;
+        queue.Dispose();
+        return true;
+    }
+
+    public static ShrinkCodeGenWovenAttribute RequireWoven(Assembly assembly)
+    {
+        if (assembly == null) throw new ArgumentNullException(nameof(assembly));
+        return assembly.GetCustomAttribute<ShrinkCodeGenWovenAttribute>() ??
+               throw new InvalidOperationException(
+                   $"Assembly '{assembly.GetName().Name}' was not woven by ShrinkSDK.CodeGen. Ensure the package is installed and ShrinkCodeGenEnabled is not false.");
+    }
+
+    public void Log(ShrinkLogLevel level, string message, Exception? exception = null)
+    {
+        var text = exception == null ? message : $"{message}{System.Environment.NewLine}{exception}";
+        if (level >= ShrinkLogLevel.Error) GD.PushError(text);
+        else if (level >= ShrinkLogLevel.Warning) GD.PushWarning(text);
+        else GD.Print(text);
+    }
+
+    public ValueTask<byte[]> CapturePngAsync(CancellationToken cancellationToken = default)
+    {
+        cancellationToken.ThrowIfCancellationRequested();
+        var image = GetViewport().GetTexture().GetImage();
+        return ValueTask.FromResult(image.SavePngToBuffer());
+    }
+
+    private async UniTaskVoid PumpNetworkAsync()
+    {
+        if (_networkPumpRunning) return;
+        _networkPumpRunning = true;
+        try
+        {
+            foreach (var queue in _networkServices.Values)
+                await queue.PumpAsync(Math.Max(1, NetworkDispatchBudgetPerFrame));
+        }
+        finally
+        {
+            _networkPumpRunning = false;
+        }
+    }
+}

Godot/Packages/ShrinkSDK.Godot/ShrinkSDK.Godot.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.Godot</AssemblyName>
+    <RootNamespace>ShrinkSDK.Godot</RootNamespace>
+    <PackageId>ShrinkSDK.Godot</PackageId>
+    <Version>0.1.0</Version>
+    <Description>Godot 4.6 host and platform services for ShrinkSDK.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="GodotSharp" Version="4.6.3" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.DataSaver\ShrinkSDK.DataSaver.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.App.Core\ShrinkSDK.App.Core.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.ModFramework.Godot/ShrinkGodotModLoader.cs

@@ -0,0 +1,66 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.Loader;
+
+namespace ShrinkModFramework.Godot;
+
+public sealed class ShrinkGodotModLoader : IDisposable
+{
+    private sealed record LoadedMod(AssemblyLoadContext LoadContext, WeakReference UnloadReference,
+        ShrinkModContext Context, IReadOnlyList<IShrinkMod> Instances);
+    private readonly Dictionary<string, LoadedMod> _loaded = new(StringComparer.OrdinalIgnoreCase);
+
+    public IReadOnlyCollection<string> LoadedAssemblyPaths => _loaded.Keys;
+
+    public IReadOnlyList<IShrinkMod> Load(string assemblyPath)
+    {
+        assemblyPath = Path.GetFullPath(assemblyPath);
+        if (_loaded.ContainsKey(assemblyPath)) throw new InvalidOperationException($"Mod assembly is already loaded: {assemblyPath}");
+        var loadContext = new AssemblyLoadContext($"ShrinkMod:{Path.GetFileNameWithoutExtension(assemblyPath)}", true);
+        loadContext.Resolving += (_, name) => ResolveDependency(loadContext, Path.GetDirectoryName(assemblyPath)!, name);
+        try
+        {
+            var assembly = loadContext.LoadFromAssemblyPath(assemblyPath);
+            var entries = assembly.GetTypes().Where(type => !type.IsAbstract && typeof(IShrinkMod).IsAssignableFrom(type) &&
+                type.GetCustomAttribute<ShrinkModAttribute>() != null).OrderBy(type => type.GetCustomAttribute<ShrinkModAttribute>()!.LoadOrder).ToArray();
+            var context = new ShrinkModContext(Path.GetDirectoryName(assemblyPath)!);
+            var instances = entries.Select(type => (IShrinkMod)(Activator.CreateInstance(type) ??
+                throw new InvalidOperationException($"Failed to create mod entry: {type.FullName}"))).ToArray();
+            foreach (var mod in instances) mod.OnConstruct(context);
+            foreach (var mod in instances) mod.OnRegisterContent(context);
+            foreach (var mod in instances) mod.OnInitialize(context);
+            foreach (var mod in instances) mod.OnReady(context);
+            _loaded[assemblyPath] = new LoadedMod(loadContext, new WeakReference(loadContext), context, instances);
+            return instances;
+        }
+        catch { loadContext.Unload(); throw; }
+    }
+
+    public bool Unload(string assemblyPath)
+    {
+        assemblyPath = Path.GetFullPath(assemblyPath);
+        if (!_loaded.Remove(assemblyPath, out var loaded)) return false;
+        for (var index = loaded.Instances.Count - 1; index >= 0; index--)
+            if (loaded.Instances[index] is IShrinkModUnload unload) unload.OnUnload(loaded.Context);
+        loaded.LoadContext.Unload();
+        return true;
+    }
+
+    public void Dispose()
+    {
+        foreach (var path in _loaded.Keys.ToArray()) Unload(path);
+    }
+
+    private static Assembly? ResolveDependency(AssemblyLoadContext context, string directory, AssemblyName name)
+    {
+        var shared = AssemblyLoadContext.Default.Assemblies.FirstOrDefault(assembly => assembly.GetName().Name == name.Name);
+        if (shared != null) return shared;
+        var path = Path.Combine(directory, name.Name + ".dll");
+        return File.Exists(path) ? context.LoadFromAssemblyPath(path) : null;
+    }
+}

Godot/Packages/ShrinkSDK.ModFramework.Godot/ShrinkSDK.ModFramework.Godot.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkModFramework.Godot</AssemblyName>
+    <RootNamespace>ShrinkModFramework.Godot</RootNamespace>
+    <PackageId>ShrinkSDK.ModFramework.Godot</PackageId>
+    <Version>0.1.0</Version>
+    <Description>Collectible AssemblyLoadContext host for ShrinkSDK mods in Godot.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\ShrinkSDK.ModFramework\ShrinkSDK.ModFramework.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Godot\ShrinkSDK.Godot.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.ModFramework/Runtime/ShrinkModContext.cs

@@ -0,0 +1,25 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+
+namespace ShrinkModFramework;
+
+public sealed class ShrinkModContext
+{
+    private readonly Dictionary<Type, object> _services = new();
+    public ShrinkModContext(string modDirectory) => ModDirectory = modDirectory ?? throw new ArgumentNullException(nameof(modDirectory));
+    public string ModDirectory { get; }
+    public void RegisterService<T>(T service) where T : class => _services[typeof(T)] = service ?? throw new ArgumentNullException(nameof(service));
+    public bool TryGetService<T>(out T? service) where T : class
+    {
+        service = _services.TryGetValue(typeof(T), out var value) ? value as T : null;
+        return service != null;
+    }
+    public T GetRequiredService<T>() where T : class => TryGetService<T>(out var value) ? value! : throw new InvalidOperationException($"Service is not registered: {typeof(T).FullName}");
+}
+
+public interface IShrinkModUnload
+{
+    void OnUnload(ShrinkModContext context);
+}

Godot/Packages/ShrinkSDK.ModFramework/ShrinkSDK.ModFramework.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkModFramework.Runtime</AssemblyName>
+    <RootNamespace>ShrinkModFramework</RootNamespace>
+    <PackageId>ShrinkSDK.ModFramework</PackageId>
+    <Version>0.3.0</Version>
+    <Description>Engine-neutral ShrinkSDK mod contracts and lifecycle.</Description>
+    <Nullable>disable</Nullable>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\ShrinkModContext.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkModFramework\Runtime\Core\IShrinkMod.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkModFramework\Runtime\Core\ShrinkModBase.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkModFramework\Runtime\Core\ShrinkModHandle.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkModFramework\Runtime\Metadata\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Network.Integration.EventBus/ShrinkSDK.Network.Integration.EventBus.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkNetwork.Integration.EventBus</AssemblyName>
+    <RootNamespace>ShrinkNetwork.Integration</RootNamespace>
+    <PackageId>ShrinkSDK.Network.Integration.EventBus</PackageId>
+    <Version>0.2.0</Version>
+    <Description>ShrinkNetwork and EventBus generated bridge.</Description>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkNetwork.Integration.EventBus\*.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Context.Core\ShrinkSDK.Context.Core.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Network/ShrinkSDK.Network.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkNetwork.Runtime</AssemblyName>
+    <RootNamespace>ShrinkNetwork</RootNamespace>
+    <PackageId>ShrinkSDK.Network</PackageId>
+    <Version>0.3.0</Version>
+    <Description>ShrinkSDK messaging, RPC, permission and transport runtime.</Description>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkNetwork\Runtime\**\*.cs" />
+    <PackageReference Include="Kcp-CSharp" Version="1.0.8" />
+    <PackageReference Include="MessagePack" Version="3.1.8" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="UniTask" Version="2.5.10" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <PackageReference Include="ShrinkSDK.CodeGen" Version="0.1.0" PrivateAssets="compile;runtime;contentfiles;native" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Runtime.Abstractions/ShrinkSDK.Runtime.Abstractions.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <AssemblyName>ShrinkRuntime.Abstractions</AssemblyName>
+    <RootNamespace>ShrinkSDK.Runtime</RootNamespace>
+    <PackageId>ShrinkSDK.Runtime.Abstractions</PackageId>
+    <Version>0.1.0</Version>
+    <Description>Engine-neutral ShrinkSDK runtime contracts.</Description>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkRuntime.Abstractions\Runtime\ShrinkRuntimeServices.cs" Link="Runtime\ShrinkRuntimeServices.cs" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Tutorial.Godot/ShrinkGodotTutorialOverlay.cs

@@ -0,0 +1,89 @@
+#nullable enable
+
+using Godot;
+
+namespace ShrinkTutorial.Godot;
+
+public partial class ShrinkGodotTutorialOverlay : Control
+{
+    private readonly Label _title = new();
+    private readonly Label _body = new();
+    private ShrinkTutorialRunner? _runner;
+    private Control? _target;
+
+    public override void _Ready()
+    {
+        SetAnchorsAndOffsetsPreset(LayoutPreset.FullRect);
+        MouseFilter = MouseFilterEnum.Stop;
+        var panel = new PanelContainer { CustomMinimumSize = new Vector2(320, 100) };
+        panel.Position = new Vector2(24, 24);
+        var text = new VBoxContainer();
+        text.AddChild(_title);
+        text.AddChild(_body);
+        panel.AddChild(text);
+        AddChild(panel);
+    }
+
+    public void Bind(ShrinkTutorialRunner runner)
+    {
+        if (_runner != null) _runner.StepChanged -= ShowStep;
+        _runner = runner;
+        _runner.StepChanged += ShowStep;
+        if (_runner.CurrentStep != null) ShowStep(_runner.CurrentStep);
+    }
+
+    public override void _ExitTree()
+    {
+        if (_runner != null) _runner.StepChanged -= ShowStep;
+        _runner = null;
+        _target = null;
+    }
+
+    public override void _Process(double delta)
+    {
+        if (_runner?.CurrentStep is not { } step) return;
+        _target = ResolveTarget(step);
+        QueueRedraw();
+    }
+
+    public override void _Draw()
+    {
+        var viewport = GetViewportRect();
+        if (_target == null)
+        {
+            DrawRect(viewport, new Color(0, 0, 0, 0.72f));
+            return;
+        }
+        var hole = _target.GetGlobalRect().Grow(8);
+        var shade = new Color(0, 0, 0, 0.72f);
+        DrawRect(new Rect2(viewport.Position, new Vector2(viewport.Size.X, hole.Position.Y)), shade);
+        DrawRect(new Rect2(new Vector2(0, hole.End.Y), new Vector2(viewport.Size.X, viewport.Size.Y - hole.End.Y)), shade);
+        DrawRect(new Rect2(new Vector2(0, hole.Position.Y), new Vector2(hole.Position.X, hole.Size.Y)), shade);
+        DrawRect(new Rect2(new Vector2(hole.End.X, hole.Position.Y), new Vector2(viewport.Size.X - hole.End.X, hole.Size.Y)), shade);
+    }
+
+    public override void _GuiInput(InputEvent @event)
+    {
+        if (@event is not InputEventMouseButton { Pressed: true }) return;
+        var step = _runner?.CurrentStep;
+        if (step == null) return;
+        if (step.CompleteCondition == ShrinkTutorialCompleteCondition.AnyClick ||
+            step.CompleteCondition == ShrinkTutorialCompleteCondition.ClickTarget && _target?.GetGlobalRect().HasPoint(GetGlobalMousePosition()) == true)
+            _runner!.CompleteStep();
+        AcceptEvent();
+    }
+
+    private void ShowStep(ShrinkTutorialStep step)
+    {
+        _title.Text = step.Title;
+        _body.Text = step.Body;
+        Visible = true;
+    }
+
+    private Control? ResolveTarget(ShrinkTutorialStep step)
+    {
+        if (step.TargetMode == ShrinkTutorialTargetMode.Path) return GetTree().Root.GetNodeOrNull<Control>(step.Target);
+        if (step.TargetMode == ShrinkTutorialTargetMode.AnchorId) return GetTree().GetFirstNodeInGroup("shrink_tutorial_" + step.Target) as Control;
+        return null;
+    }
+}

Godot/Packages/ShrinkSDK.Tutorial.Godot/ShrinkSDK.Tutorial.Godot.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkTutorial.Godot</AssemblyName>
+    <RootNamespace>ShrinkTutorial.Godot</RootNamespace>
+    <PackageId>ShrinkSDK.Tutorial.Godot</PackageId>
+    <Version>0.1.0</Version>
+    <Description>Godot Control overlay and Resources for ShrinkSDK Tutorial.</Description>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="GodotSharp" Version="4.6.3" />
+    <ProjectReference Include="..\ShrinkSDK.Tutorial\ShrinkSDK.Tutorial.csproj" />
+  </ItemGroup>
+</Project>

Godot/Packages/ShrinkSDK.Tutorial/Runtime/ShrinkTutorialCore.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+
+namespace ShrinkTutorial;
+
+[Serializable]
+public sealed class ShrinkTutorialStep
+{
+    public string StepId = string.Empty;
+    public string Title = string.Empty;
+    public string Body = string.Empty;
+    public string Target = string.Empty;
+    public ShrinkTutorialTargetMode TargetMode;
+    public ShrinkTutorialCompleteCondition CompleteCondition = ShrinkTutorialCompleteCondition.ClickTarget;
+    public ShrinkTutorialDialogAnchor DialogAnchor = ShrinkTutorialDialogAnchor.Auto;
+    public ShrinkTutorialMaskShape MaskShape = ShrinkTutorialMaskShape.Rect;
+    public string CustomEventName = string.Empty;
+    public bool BlockInputOutsideTarget = true;
+}
+
+[Serializable]
+public sealed class ShrinkTutorialData
+{
+    public string TutorialId = string.Empty;
+    public List<ShrinkTutorialStep> Steps = new();
+}
+
+public sealed class ShrinkTutorialRunner
+{
+    private readonly IShrinkTutorialStorage _storage;
+    private ShrinkTutorialProgress _progress;
+    public ShrinkTutorialRunner(IShrinkTutorialStorage storage)
+    {
+        _storage = storage ?? throw new ArgumentNullException(nameof(storage));
+        _progress = storage.Load() ?? new ShrinkTutorialProgress();
+    }
+    public ShrinkTutorialData Current { get; private set; }
+    public int StepIndex { get; private set; } = -1;
+    public ShrinkTutorialStep CurrentStep => Current != null && StepIndex >= 0 && StepIndex < Current.Steps.Count ? Current.Steps[StepIndex] : null;
+    public event Action<ShrinkTutorialStep> StepChanged;
+    public event Action<string> Completed;
+
+    public bool Start(ShrinkTutorialData tutorial)
+    {
+        if (tutorial == null || tutorial.Steps.Count == 0 || _progress.completedTutorials.Contains(tutorial.TutorialId)) return false;
+        Current = tutorial;
+        StepIndex = 0;
+        StepChanged?.Invoke(CurrentStep);
+        return true;
+    }
+
+    public bool CompleteStep(string customEventName = null)
+    {
+        var step = CurrentStep;
+        if (step == null) return false;
+        if (step.CompleteCondition == ShrinkTutorialCompleteCondition.CustomEvent &&
+            !string.Equals(step.CustomEventName, customEventName, StringComparison.Ordinal)) return false;
+        StepIndex++;
+        if (StepIndex < Current.Steps.Count) { StepChanged?.Invoke(CurrentStep); return true; }
+        _progress.completedTutorials.Add(Current.TutorialId);
+        _storage.Save(_progress);
+        var id = Current.TutorialId;
+        Current = null;
+        StepIndex = -1;
+        Completed?.Invoke(id);
+        return true;
+    }
+
+    public void Reset()
+    {
+        Current = null;
+        StepIndex = -1;
+        _storage.Reset();
+        _progress = new ShrinkTutorialProgress();
+    }
+}

Godot/Packages/ShrinkSDK.Tutorial/ShrinkSDK.Tutorial.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkTutorial.Runtime</AssemblyName>
+    <RootNamespace>ShrinkTutorial</RootNamespace>
+    <PackageId>ShrinkSDK.Tutorial</PackageId>
+    <Version>0.2.0</Version>
+    <Description>Engine-neutral ShrinkSDK tutorial state and step runtime.</Description>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="Runtime\ShrinkTutorialCore.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkTutorial\Runtime\Core\ShrinkTutorialEnums.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkTutorial\Runtime\Core\ShrinkTutorialLocalization.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkTutorial\Runtime\Storage\IShrinkTutorialStorage.cs" />
+    <ProjectReference Include="..\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+  </ItemGroup>
+</Project>

Godot/Samples/ShrinkSDK.Godot.Sample/Main.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource path="res://SampleRoot.cs" type="Script" id="1"]
+
+[node name="SampleRoot" type="Node"]
+script = ExtResource("1")

Godot/Samples/ShrinkSDK.Godot.Sample/SampleRoot.cs

@@ -0,0 +1,124 @@
+#nullable enable
+
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using Godot;
+using ShrinkApp;
+using ShrinkApp.Starter.Basic;
+using ShrinkCommand;
+using Cysharp.Threading.Tasks;
+using ShrinkDataSaver;
+using ShrinkEventBus;
+using ShrinkNetwork;
+using ShrinkSDK.Godot;
+using ShrinkTutorial;
+
+public partial class SampleRoot : ShrinkGodotHost
+{
+    public override void _Ready()
+    {
+        base._Ready();
+        RunSmokeAsync().Forget();
+    }
+
+    private async UniTaskVoid RunSmokeAsync()
+    {
+        var marker = RequireWoven(GetType().Assembly);
+        using var binding = EventBus.Attach(new GodotSubscriber());
+        EventBus.Post(new GodotSmokeEvent());
+        var assembly = GetType().Assembly;
+        var registries = assembly.GetCustomAttributes(false).Select(value => value.GetType().Name).ToHashSet();
+        var savedValue = 42;
+        ShrinkDataSaverRuntime.Initialize(new ShrinkDataSaverRuntimeConfig
+        {
+            RootPath = PersistentDataPath,
+            CurrentSaveVersion = 1
+        });
+        ShrinkSave.RegisterModule("godot-smoke", () => savedValue, value => savedValue = value);
+        await ShrinkSave.SaveSlotAsync(0, new SaveOptions { SlotName = "Godot Smoke" });
+        savedValue = 0;
+        await ShrinkSave.LoadSlotAsync(0);
+        var app = await StartAppAsync();
+        var composition = ShrinkBasicComposition.CreateHost(app.Context.Services);
+        var entries = ShrinkBasicComposition.CreateEntries(app.Context.Services);
+        await composition.ApplyAsync(entries);
+        await composition.ApplyAsync(entries);
+        var activeFibers = composition.Runtime.Fibers.Count(fiber => fiber.State == ShrinkContext.ShrinkFiberState.Active);
+        var tutorialStorage = new MemoryTutorialStorage();
+        var tutorial = new ShrinkTutorialRunner(tutorialStorage);
+        var tutorialStarted = tutorial.Start(new ShrinkTutorialData
+        {
+            TutorialId = "godot-smoke",
+            Steps = { new ShrinkTutorialStep { StepId = "one", CompleteCondition = ShrinkTutorialCompleteCondition.AnyClick } }
+        });
+        var tutorialCompleted = tutorial.CompleteStep();
+
+        if (GodotSubscriber.Calls != 1 || GodotStaticSubscriber.Calls != 1 || savedValue != 42 ||
+            !app.IsRunning || !GodotInstaller.Initialized ||
+            activeFibers != 3 || !tutorialStarted || !tutorialCompleted || !tutorialStorage.Saved ||
+            !registries.Contains(nameof(ShrinkCommandStaticRegistryAttribute)) ||
+            !registries.Contains(nameof(ShrinkNetworkMessageRegistryAttribute)))
+        {
+            GD.PushError("ShrinkSDK Godot smoke failed.");
+            GetTree().Quit(1);
+            return;
+        }
+        await composition.ShutdownAsync();
+        var smokePath = System.IO.Path.Combine(OS.GetUserDataDir(), "shrink_smoke_pass.txt");
+        System.IO.File.WriteAllText(smokePath, $"CodeGen={marker.WeaverVersion};DataSaver={savedValue}");
+        if (!System.IO.File.Exists(smokePath))
+            throw new System.IO.IOException($"Failed to create smoke sentinel: {smokePath}");
+        GD.Print($"SHRINK_GODOT_SMOKE_PASS CodeGen={marker.WeaverVersion} DataSaver={savedValue}");
+        GetTree().Quit(0);
+    }
+}
+
+public sealed class MemoryTutorialStorage : IShrinkTutorialStorage
+{
+    private ShrinkTutorialProgress _progress = new();
+    public bool Saved { get; private set; }
+    public ShrinkTutorialProgress Load() => _progress;
+    public void Save(ShrinkTutorialProgress progress) { _progress = progress; Saved = true; }
+    public void Reset() { _progress = new ShrinkTutorialProgress(); Saved = false; }
+}
+
+public readonly struct GodotSmokeEvent : IShrinkEvent { }
+
+[ShrinkEventSubscriber]
+public sealed class GodotSubscriber
+{
+    public static int Calls;
+    [ShrinkSubscribe] private void Handle(GodotSmokeEvent value) => Calls++;
+}
+
+[ShrinkEventSubscriber]
+public static class GodotStaticSubscriber
+{
+    public static int Calls;
+    [ShrinkSubscribe] private static void Handle(GodotSmokeEvent value) => Calls++;
+}
+
+[ShrinkCommandSubscriber]
+public static class GodotCommands
+{
+    [ShrinkCommand("godot/smoke")] public static void Smoke() { }
+}
+
+[ShrinkNetworkMessage(42001, "godot/smoke")]
+public sealed class GodotSmokeMessage : IShrinkNetworkMessage { }
+
+[ShrinkAppModuleInstaller]
+public sealed class GodotInstaller : IShrinkAppModuleInstaller
+{
+    public static bool Initialized;
+    public string ModuleId => "godot-smoke";
+    public int Order => 0;
+    public IReadOnlyList<string> DependsOn => Array.Empty<string>();
+    public void RegisterServices(ShrinkAppContext context) => context.Services.Register(this);
+    public UniTask InitializeAsync(ShrinkAppContext context)
+    {
+        Initialized = true;
+        return UniTask.CompletedTask;
+    }
+}

Godot/Samples/ShrinkSDK.Godot.Sample/SampleRoot.cs.uid

@@ -0,0 +1 @@
+uid://j565ln7hmg6i

Godot/Samples/ShrinkSDK.Godot.Sample/ShrinkSDK.Godot.Sample.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Godot.NET.Sdk/4.6.3">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+    <_ShrinkCodeGenTaskAssembly>$(MSBuildThisFileDirectory)..\..\CodeGen\ShrinkSDK.CodeGen.Task\bin\$(Configuration)\net8.0\ShrinkSDK.CodeGen.Task.dll</_ShrinkCodeGenTaskAssembly>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Godot\ShrinkSDK.Godot.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.App.Starter.Basic\ShrinkSDK.App.Starter.Basic.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Tutorial\ShrinkSDK.Tutorial.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Tutorial.Godot\ShrinkSDK.Tutorial.Godot.csproj" />
+    <ProjectReference Include="..\..\CodeGen\ShrinkSDK.CodeGen.Task\ShrinkSDK.CodeGen.Task.csproj" ReferenceOutputAssembly="false" />
+  </ItemGroup>
+  <Import Project="..\..\CodeGen\ShrinkSDK.CodeGen.Task\buildTransitive\ShrinkSDK.CodeGen.targets" />
+</Project>

Godot/Samples/ShrinkSDK.Godot.Sample/ShrinkSDK.Godot.Sample.sln

@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ShrinkSDK.Godot.Sample", "ShrinkSDK.Godot.Sample.csproj", "{8ED6C49D-909C-4A5A-B80C-3537D1349377}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		ExportDebug|Any CPU = ExportDebug|Any CPU
+		ExportRelease|Any CPU = ExportRelease|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8ED6C49D-909C-4A5A-B80C-3537D1349377}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

Godot/Samples/ShrinkSDK.Godot.Sample/Tutorial.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=2 format=3]
+
+[ext_resource type="Script" path="res://TutorialDemo.cs" id="1"]
+
+[node name="TutorialDemo" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1")

Godot/Samples/ShrinkSDK.Godot.Sample/TutorialDemo.cs

@@ -0,0 +1,49 @@
+#nullable enable
+
+using Godot;
+using ShrinkTutorial;
+using ShrinkTutorial.Godot;
+
+public partial class TutorialDemo : Control
+{
+    public override void _Ready()
+    {
+        var target = new Button
+        {
+            Text = "Tutorial Target",
+            Position = new Vector2(480, 260),
+            CustomMinimumSize = new Vector2(220, 72)
+        };
+        target.AddToGroup("shrink_tutorial_primary");
+        AddChild(target);
+
+        var overlay = new ShrinkGodotTutorialOverlay();
+        AddChild(overlay);
+        var runner = new ShrinkTutorialRunner(new MemoryTutorialStorage());
+        runner.Start(new ShrinkTutorialData
+        {
+            TutorialId = "visual-smoke",
+            Steps =
+            {
+                new ShrinkTutorialStep
+                {
+                    StepId = "target",
+                    Title = "Godot Tutorial",
+                    Body = "Target hole, dialog and input blocker smoke test",
+                    TargetMode = ShrinkTutorialTargetMode.AnchorId,
+                    Target = "primary",
+                    CompleteCondition = ShrinkTutorialCompleteCondition.ClickTarget
+                }
+            }
+        });
+        overlay.Bind(runner);
+        GetTree().CreateTimer(2).Timeout += QuitCleanly;
+    }
+
+    private void QuitCleanly()
+    {
+        var tree = GetTree();
+        tree.UnloadCurrentScene();
+        tree.CreateTimer(0.1).Timeout += () => tree.Quit(0);
+    }
+}

Godot/Samples/ShrinkSDK.Godot.Sample/TutorialDemo.cs.uid

@@ -0,0 +1 @@
+uid://bhjfn5prdv2pw

Godot/Samples/ShrinkSDK.Godot.Sample/export_presets.cfg

@@ -0,0 +1,52 @@
+[preset.0]
+
+name="Windows Desktop"
+platform="Windows Desktop"
+runnable=true
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="../../Exports/Windows/ShrinkSDKGodot.exe"
+script_export_mode=2
+
+[preset.0.options]
+
+binary_format/architecture="x86_64"
+debug/export_console_wrapper=1
+
+[preset.1]
+
+name="Linux"
+platform="Linux"
+runnable=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="../../Exports/Linux/ShrinkSDKGodot.x86_64"
+script_export_mode=2
+
+[preset.1.options]
+
+binary_format/architecture="x86_64"
+
+[preset.2]
+
+name="macOS"
+platform="macOS"
+runnable=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="../../Exports/macOS/ShrinkSDKGodot.zip"
+script_export_mode=2
+
+[preset.2.options]
+
+application/bundle_identifier="work.crash.shrinksdk.sample"
+binary_format/architecture="universal"

Godot/Samples/ShrinkSDK.Godot.Sample/project.godot

@@ -0,0 +1,30 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="ShrinkSDK Godot Sample"
+run/main_scene="res://Main.tscn"
+config/features=PackedStringArray("4.6", "C#")
+
+[display]
+
+window/size/viewport_width=960
+window/size/viewport_height=540
+
+[dotnet]
+
+project/assembly_name="ShrinkSDK.Godot.Sample"
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"
+textures/vram_compression/import_etc2_astc=true

Godot/ShrinkSDK.Godot.slnx

@@ -0,0 +1,45 @@
+<Solution>
+  <Folder Name="/Packages/">
+    <Project Path="Packages/ShrinkSDK.Runtime.Abstractions/ShrinkSDK.Runtime.Abstractions.csproj" />
+    <Project Path="Packages/ShrinkSDK.Context.Core/ShrinkSDK.Context.Core.csproj" />
+    <Project Path="Packages/ShrinkSDK.EventBus/ShrinkSDK.EventBus.csproj" />
+    <Project Path="Packages/ShrinkSDK.Command/ShrinkSDK.Command.csproj" />
+    <Project Path="Packages/ShrinkSDK.Network/ShrinkSDK.Network.csproj" />
+    <Project Path="Packages/ShrinkSDK.Command.Integration.EventBus/ShrinkSDK.Command.Integration.EventBus.csproj" />
+    <Project Path="Packages/ShrinkSDK.Command.Integration.Network/ShrinkSDK.Command.Integration.Network.csproj" />
+    <Project Path="Packages/ShrinkSDK.Command.Integration.App/ShrinkSDK.Command.Integration.App.csproj" />
+    <Project Path="Packages/ShrinkSDK.DataSaver.Integration.EventBus/ShrinkSDK.DataSaver.Integration.EventBus.csproj" />
+    <Project Path="Packages/ShrinkSDK.DataSaver.Integration.App/ShrinkSDK.DataSaver.Integration.App.csproj" />
+    <Project Path="Packages/ShrinkSDK.Network.Integration.EventBus/ShrinkSDK.Network.Integration.EventBus.csproj" />
+    <Project Path="Packages/ShrinkSDK.Network.Integration.App/ShrinkSDK.Network.Integration.App.csproj" />
+    <Project Path="Packages/ShrinkSDK.DataSaver/ShrinkSDK.DataSaver.csproj" />
+    <Project Path="Packages/ShrinkSDK.App.Core/ShrinkSDK.App.Core.csproj" />
+    <Project Path="Packages/ShrinkSDK.Context.AppAdapter/ShrinkSDK.Context.AppAdapter.csproj" />
+    <Project Path="Packages/ShrinkSDK.App.Starter.Basic/ShrinkSDK.App.Starter.Basic.csproj" />
+    <Project Path="Packages/ShrinkSDK.ModFramework/ShrinkSDK.ModFramework.csproj" />
+    <Project Path="Packages/ShrinkSDK.ModFramework.Godot/ShrinkSDK.ModFramework.Godot.csproj" />
+    <Project Path="Packages/ShrinkSDK.Tutorial/ShrinkSDK.Tutorial.csproj" />
+    <Project Path="Packages/ShrinkSDK.Tutorial.Godot/ShrinkSDK.Tutorial.Godot.csproj" />
+    <Project Path="Packages/ShrinkSDK.Godot/ShrinkSDK.Godot.csproj" />
+  </Folder>
+  <Folder Name="/CodeGen/">
+    <Project Path="CodeGen/ShrinkSDK.CodeGen.Core/ShrinkSDK.CodeGen.Core.csproj" />
+    <Project Path="CodeGen/ShrinkSDK.CodeGen.Analyzers/ShrinkSDK.CodeGen.Analyzers.csproj" />
+    <Project Path="CodeGen/ShrinkSDK.CodeGen.Task/ShrinkSDK.CodeGen.Task.csproj" />
+  </Folder>
+  <Folder Name="/Tests/">
+    <Project Path="Tests/CodeGenFixture/CodeGenFixture.csproj" />
+    <Project Path="Tests/NuGetConsumer/NuGetConsumer.csproj" />
+    <Project Path="Tests/CodeGenValidation/CodeGenValidation.csproj" />
+    <Project Path="Tests/UnityAdapterCompile/UnityAdapterCompile.csproj" />
+    <Project Path="Tests/ModFixture/ModFixture.csproj" />
+    <Project Path="Tests/ModHostFixture/ModHostFixture.csproj" />
+    <Project Path="Tests/InstallerFixture/InstallerFixture.csproj" />
+  </Folder>
+  <Folder Name="/Samples/">
+    <Project Path="Samples/ShrinkSDK.Godot.Sample/ShrinkSDK.Godot.Sample.csproj" />
+  </Folder>
+  <Folder Name="/Installer/">
+    <Project Path="Installer/ShrinkSDK.Godot.Installer.csproj" />
+  </Folder>
+</Solution>

Godot/Tests/CodeGenFixture/CodeGenFixture.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.CodeGenFixture</AssemblyName>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+    <SignAssembly Condition="'$(FixtureSignAssembly)' == 'true'">true</SignAssembly>
+    <AssemblyOriginatorKeyFile Condition="'$(FixtureSignAssembly)' == 'true'">$(FixtureStrongNameKeyFile)</AssemblyOriginatorKeyFile>
+    <_ShrinkCodeGenTaskAssembly>$(MSBuildThisFileDirectory)..\..\CodeGen\ShrinkSDK.CodeGen.Task\bin\$(Configuration)\net8.0\ShrinkSDK.CodeGen.Task.dll</_ShrinkCodeGenTaskAssembly>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Network.Integration.EventBus\ShrinkSDK.Network.Integration.EventBus.csproj" />
+    <ProjectReference Include="..\..\CodeGen\ShrinkSDK.CodeGen.Task\ShrinkSDK.CodeGen.Task.csproj" ReferenceOutputAssembly="false" />
+  </ItemGroup>
+  <Import Project="..\..\CodeGen\ShrinkSDK.CodeGen.Task\buildTransitive\ShrinkSDK.CodeGen.targets" />
+</Project>

Godot/Tests/CodeGenFixture/Program.cs

@@ -0,0 +1,79 @@
+#nullable enable
+
+using System;
+using System.Linq;
+using ShrinkCommand;
+using ShrinkEventBus;
+using ShrinkNetwork;
+using ShrinkNetwork.Integration;
+using ShrinkSDK.Runtime;
+
+var assembly = typeof(Program).Assembly;
+var marker = assembly.GetCustomAttributes(typeof(ShrinkCodeGenWovenAttribute), false)
+    .Cast<ShrinkCodeGenWovenAttribute>()
+    .SingleOrDefault() ?? throw new InvalidOperationException("CodeGen marker is missing.");
+if (marker.WeaverVersion != "0.1.0" || !Guid.TryParse(marker.InputMvid, out _))
+    throw new InvalidOperationException("CodeGen marker is invalid.");
+
+if (!typeof(InstanceSubscriber).GetInterfaces().Contains(typeof(IShrinkGeneratedSubscriber)))
+    throw new InvalidOperationException("Generated subscriber interface is missing.");
+
+using var binding = EventBus.Attach(new InstanceSubscriber());
+EventBus.Post(new FixtureEvent());
+if (InstanceSubscriber.Calls != 1 || StaticSubscriber.Calls != 1)
+    throw new InvalidOperationException($"Generated EventBus bindings failed: instance={InstanceSubscriber.Calls}, static={StaticSubscriber.Calls}.");
+
+if (assembly.GetCustomAttributes(typeof(ShrinkCommandStaticRegistryAttribute), false).Length != 1)
+    throw new InvalidOperationException("Command registry metadata is missing.");
+if (assembly.GetCustomAttributes(typeof(ShrinkNetworkMessageRegistryAttribute), false).Length != 1)
+    throw new InvalidOperationException("Network message registry metadata is missing.");
+if (assembly.GetCustomAttributes(typeof(ShrinkNetworkStaticSubscriberRegistryAttribute), false).Length != 1)
+    throw new InvalidOperationException("Network subscriber registry metadata is missing.");
+var bridgeRegistrations = (System.Collections.IEnumerable)(typeof(ShrinkNetworkEventRegistry)
+    .GetMethod("Snapshot", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static)!
+    .Invoke(null, null) ?? throw new InvalidOperationException("Network EventBus registry snapshot failed."));
+if (!bridgeRegistrations.Cast<object>().Any(item => item.GetType().GetProperty("EventType")?.GetValue(item) as Type == typeof(FixtureNetworkEvent)))
+    throw new InvalidOperationException("Generated Network/EventBus binding is missing.");
+
+Console.WriteLine($"PASS CodeGen {marker.WeaverVersion}: EventBus + Command + Network + Network/EventBus registries");
+
+public readonly struct FixtureEvent : IShrinkEvent { }
+
+[ShrinkEventSubscriber]
+public sealed class InstanceSubscriber
+{
+    public static int Calls;
+
+    [ShrinkSubscribe]
+    private void OnEvent(FixtureEvent value) => Calls++;
+}
+
+[ShrinkEventSubscriber]
+public static class StaticSubscriber
+{
+    public static int Calls;
+
+    [ShrinkSubscribe]
+    private static void OnEvent(FixtureEvent value) => Calls++;
+}
+
+[ShrinkCommandSubscriber]
+public static class FixtureCommands
+{
+    [ShrinkCommand("fixture/ping")]
+    public static void Ping() { }
+}
+
+[ShrinkNetworkMessage(41001, "fixture/ping")]
+public sealed class FixtureMessage : IShrinkNetworkMessage { }
+
+[ShrinkNetworkEvent]
+[ShrinkNetworkMessage(41002, "fixture/event")]
+public sealed class FixtureNetworkEvent : IShrinkEvent, IShrinkNetworkMessage { }
+
+[ShrinkNetworkSubscriber]
+public static class FixtureNetworkHandlers
+{
+    [ShrinkNetworkSubscribe]
+    public static void Handle(FixtureMessage message) { }
+}

Godot/Tests/CodeGenValidation/CodeGenValidation.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.CodeGenValidation</AssemblyName>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\CodeGen\ShrinkSDK.CodeGen.Core\ShrinkSDK.CodeGen.Core.csproj" />
+    <PackageReference Include="Mono.Cecil" Version="0.11.6" />
+  </ItemGroup>
+</Project>

Godot/Tests/CodeGenValidation/Program.cs

@@ -0,0 +1,163 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Mono.Cecil;
+using ShrinkSDK.CodeGen;
+
+if (args.Length == 2 && args[0] == "--marker")
+{
+    using var exported = AssemblyDefinition.ReadAssembly(args[1]);
+    var marker = exported.CustomAttributes.SingleOrDefault(attribute =>
+        attribute.AttributeType.FullName == "ShrinkSDK.Runtime.ShrinkCodeGenWovenAttribute");
+    Require(marker != null, "exported assembly has no ShrinkSDK CodeGen marker");
+    Require(exported.MainModule.Types.Any(type => type.FullName ==
+                                               "ShrinkEventBus.Generated.ShrinkGeneratedStaticBindings"),
+        "exported assembly has no static EventBus bootstrap");
+    Console.WriteLine($"PASS exported assembly woven by {marker!.ConstructorArguments[0].Value}");
+    return;
+}
+
+if ((args.Length == 3 || args.Length == 4) && args[0] == "--resign")
+{
+    var signedAssembly = Path.GetFullPath(args[1]);
+    var keepOutput = args.Length == 4;
+    var output = keepOutput
+        ? Path.GetFullPath(args[3])
+        : Path.Combine(Path.GetTempPath(), "ShrinkSDK.CodeGen.Resigned." + Guid.NewGuid().ToString("N") + ".dll");
+    var outputPdb = Path.ChangeExtension(output, ".pdb");
+    try
+    {
+        var result = ShrinkAssemblyWeaver.Weave(signedAssembly, Path.ChangeExtension(signedAssembly, ".pdb"),
+            BuildReferences(Path.GetDirectoryName(signedAssembly)!), output, outputPdb,
+            ShrinkCodeGenPlatform.EngineNeutral, args[2]);
+        Require(result.Succeeded && result.Changed,
+            "signed assembly re-weave failed: " + string.Join(" | ", result.Diagnostics.Select(item => item.Message)));
+        using var resigned = AssemblyDefinition.ReadAssembly(output);
+        Require(resigned.Name.HasPublicKey, "re-signed output has no public key");
+        Console.WriteLine("PASS signed assembly woven and re-signed with explicit key");
+    }
+    finally
+    {
+        if (!keepOutput)
+        {
+            if (File.Exists(output)) File.Delete(output);
+            if (File.Exists(outputPdb)) File.Delete(outputPdb);
+        }
+    }
+    return;
+}
+
+if (args.Length != 1 || !File.Exists(args[0]))
+    throw new ArgumentException("Pass the unwoven CodeGenFixture assembly path.");
+
+var sourceAssembly = Path.GetFullPath(args[0]);
+var sourceDirectory = Path.GetDirectoryName(sourceAssembly)!;
+var sourcePdb = Path.ChangeExtension(sourceAssembly, ".pdb");
+var references = BuildReferences(sourceDirectory);
+var root = Path.Combine(Path.GetTempPath(), "ShrinkSDK.CodeGen.Validation", Guid.NewGuid().ToString("N"));
+Directory.CreateDirectory(root);
+try
+{
+    var woven = Path.Combine(root, "fixture.woven.dll");
+    var wovenPdb = Path.Combine(root, "fixture.woven.pdb");
+    var first = ShrinkAssemblyWeaver.Weave(sourceAssembly, sourcePdb, references, woven, wovenPdb);
+    Require(first.Succeeded && first.Changed,
+        "single weave did not change the assembly: " + string.Join(" | ", first.Diagnostics.Select(item => item.Message)));
+    Require(first.InstanceSubscribers == 1 && first.StaticSubscribers == 1 && first.RegistryEntries == 5,
+        $"unexpected generated counts: {first.InstanceSubscribers}/{first.StaticSubscribers}/{first.RegistryEntries}");
+    VerifyStructure(woven);
+
+    var second = ShrinkAssemblyWeaver.Weave(woven, wovenPdb, references.Append(woven),
+        Path.Combine(root, "twice.dll"), Path.Combine(root, "twice.pdb"));
+    Require(second.Succeeded && !second.Changed, "repeated weave was not idempotent");
+
+    var corruptPdb = Path.Combine(root, "corrupt.pdb");
+    File.WriteAllText(corruptPdb, "not a portable pdb");
+    var corrupt = ShrinkAssemblyWeaver.Weave(sourceAssembly, corruptPdb, references,
+        Path.Combine(root, "corrupt.dll"), Path.Combine(root, "corrupt.out.pdb"));
+    Require(!corrupt.Succeeded && !File.Exists(Path.Combine(root, "corrupt.dll")),
+        "damaged PDB was not rejected atomically");
+
+    var missing = ShrinkAssemblyWeaver.Weave(sourceAssembly, null, Array.Empty<string>(),
+        Path.Combine(root, "missing.dll"), null);
+    Require(!missing.Succeeded, "missing dependencies were not rejected");
+
+    var signedInput = Path.Combine(root, "signed.dll");
+    using (var assembly = AssemblyDefinition.ReadAssembly(sourceAssembly))
+    {
+        assembly.Name.PublicKey = Enumerable.Range(0, 160).Select(value => (byte)(value + 1)).ToArray();
+        assembly.Name.Attributes |= AssemblyAttributes.PublicKey;
+        assembly.Write(signedInput);
+    }
+    var signed = ShrinkAssemblyWeaver.Weave(signedInput, null, references,
+        Path.Combine(root, "signed.out.dll"), null);
+    Require(!signed.Succeeded && signed.Diagnostics.Any(item => item.Message.Contains("Signed assemblies")),
+        "signed assembly was not rejected");
+
+    var parallel = Enumerable.Range(0, 4).Select(index => Task.Run(() =>
+    {
+        var output = Path.Combine(root, $"parallel-{index}.dll");
+        var outputPdb = Path.Combine(root, $"parallel-{index}.pdb");
+        return ShrinkAssemblyWeaver.Weave(sourceAssembly, sourcePdb, references, output, outputPdb);
+    })).ToArray();
+    await Task.WhenAll(parallel);
+    Require(parallel.All(task => task.Result.Succeeded && task.Result.Changed),
+        "parallel weaving of independent assemblies failed");
+
+    Console.WriteLine("PASS Cecil structure + single/repeat/parallel weave + corrupt PDB/signed/missing dependency guards");
+}
+finally
+{
+    Directory.Delete(root, true);
+}
+
+static void VerifyStructure(string path)
+{
+    using var assembly = AssemblyDefinition.ReadAssembly(path);
+    var module = assembly.MainModule;
+    var instance = module.Types.Single(type => type.Name == "InstanceSubscriber");
+    Require(instance.Interfaces.Any(item => item.InterfaceType.FullName == "ShrinkEventBus.IShrinkGeneratedSubscriber"),
+        "generated subscriber interface is missing");
+    Require(instance.Methods.Any(method => method.Name == "ShrinkEventBus.IShrinkGeneratedSubscriber.AttachGenerated"),
+        "AttachGenerated is missing");
+    Require(module.Types.Any(type => type.FullName == "ShrinkEventBus.Generated.ShrinkGeneratedStaticBindings"),
+        "static binding bootstrap is missing");
+    Require(module.Types.Any(type => type.FullName ==
+                                     "ShrinkNetwork.Integration.Generated.ShrinkGeneratedNetworkEventBindings"),
+        "Network/EventBus generated bootstrap is missing");
+    var moduleInitializer = module.Types.Single(type => type.Name == "<Module>").Methods.Single(method => method.Name == ".cctor");
+    Require(moduleInitializer.Body.Instructions.Any(instruction => instruction.Operand is MethodReference method && method.Name == "Register"),
+        "module initializer does not call static registration");
+    var attributes = assembly.CustomAttributes.Select(attribute => attribute.AttributeType.FullName).ToArray();
+    foreach (var expected in new[]
+             {
+                 "ShrinkSDK.Runtime.ShrinkCodeGenWovenAttribute",
+                 "ShrinkCommand.ShrinkCommandStaticRegistryAttribute",
+                 "ShrinkNetwork.ShrinkNetworkMessageRegistryAttribute",
+                 "ShrinkNetwork.ShrinkNetworkStaticSubscriberRegistryAttribute"
+             })
+        Require(attributes.Contains(expected), $"assembly registry is missing: {expected}");
+}
+
+static void Require(bool condition, string message)
+{
+    if (!condition) throw new InvalidOperationException(message);
+}
+
+static string[] BuildReferences(string sourceDirectory)
+{
+    var referencePackRoot = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
+        ".nuget", "packages", "microsoft.netcore.app.ref");
+    var referencePack = Directory.GetDirectories(referencePackRoot)
+        .Select(path => Path.Combine(path, "ref", "net8.0"))
+        .Where(Directory.Exists)
+        .OrderByDescending(path => path, StringComparer.OrdinalIgnoreCase)
+        .First();
+    return Directory.GetFiles(sourceDirectory, "*.dll")
+        .Concat(Directory.GetFiles(referencePack, "*.dll"))
+        .Distinct(StringComparer.OrdinalIgnoreCase)
+        .ToArray();
+}

Godot/Tests/InstallerFixture/InstallerFixture.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.InstallerFixture</AssemblyName>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Installer\ShrinkSDK.Godot.Installer.csproj" />
+  </ItemGroup>
+</Project>

Godot/Tests/InstallerFixture/Program.cs

@@ -0,0 +1,65 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Xml.Linq;
+using ShrinkSDK.Godot.Editor;
+using ShrinkSDK.Installer;
+
+var root = Path.Combine(Path.GetTempPath(), "ShrinkSDK.InstallerFixture", Guid.NewGuid().ToString("N"));
+Directory.CreateDirectory(root);
+try
+{
+    var project = Path.Combine(root, "Fixture.csproj");
+    File.WriteAllText(project, """
+        <Project Sdk="Microsoft.NET.Sdk">
+          <PropertyGroup><TargetFramework>net8.0</TargetFramework><FixtureValue>keep</FixtureValue></PropertyGroup>
+          <ItemGroup>
+            <PackageReference Include="Existing.Package" Version="1.2.3" />
+            <PackageReference Include="Child.Version.Package"><Version>3.4.5</Version></PackageReference>
+          </ItemGroup>
+        </Project>
+        """);
+    var config = Path.Combine(root, "NuGet.Config");
+    File.WriteAllText(config, """
+        <configuration><packageSources><add key="Existing" value="https://example.invalid/v3/index.json" /></packageSources></configuration>
+        """);
+
+    ShrinkProjectPackageEditor.SetPackageReference(project, "ShrinkSDK.EventBus", "2.1.0");
+    ShrinkProjectPackageEditor.SetPackageReference(project, "ShrinkSDK.EventBus", "2.1.0");
+    var installed = XDocument.Load(project);
+    Require(installed.Descendants("PackageReference").Count(element =>
+        (string?)element.Attribute("Include") == "ShrinkSDK.EventBus") == 1, "package reference was duplicated");
+    Require(installed.ToString().Contains("Existing.Package") && installed.ToString().Contains("FixtureValue"),
+        "unrelated project content was changed");
+    var installedVersions = ShrinkProjectPackageEditor.ReadPackageReferences(project);
+    Require(installedVersions["ShrinkSDK.EventBus"] == "2.1.0", "installed version was not read correctly");
+    Require(installedVersions["Child.Version.Package"] == "3.4.5", "child Version element was not read correctly");
+    Require(ShrinkPackageVersion.Classify("2.2.0", "2.1.0") == ShrinkPackageVersionRelation.Newer,
+        "newer installed version was classified as outdated");
+    Require(ShrinkPackageVersion.Classify("2.1.0-preview.10", "2.1.0-preview.2") ==
+            ShrinkPackageVersionRelation.Newer, "prerelease versions were not ordered semantically");
+
+    ShrinkProjectPackageEditor.SetPackageReference(project, "ShrinkSDK.EventBus", null);
+    Require(!XDocument.Load(project).Descendants("PackageReference").Any(element =>
+        (string?)element.Attribute("Include") == "ShrinkSDK.EventBus"), "package reference was not removed");
+
+    ShrinkProjectPackageEditor.EnsureShrinkFeed(config);
+    ShrinkProjectPackageEditor.EnsureShrinkFeed(config);
+    var sources = XDocument.Load(config).Descendants("add").ToArray();
+    Require(sources.Count(element => (string?)element.Attribute("key") == "ShrinkSDK") == 1,
+        "ShrinkSDK feed was duplicated");
+    Require(sources.Any(element => (string?)element.Attribute("key") == "Existing"),
+        "existing NuGet source was removed");
+    Console.WriteLine("PASS Godot Installer atomic package/feed install-update-remove merge");
+}
+finally
+{
+    Directory.Delete(root, true);
+}
+
+static void Require(bool condition, string message)
+{
+    if (!condition) throw new InvalidOperationException(message);
+}

Godot/Tests/InvalidCodeGenFixture/DuplicateContracts.cs

@@ -0,0 +1,7 @@
+using ShrinkNetwork;
+
+[ShrinkNetworkMessage(49999, "duplicate")]
+public sealed class DuplicateMessageA : IShrinkNetworkMessage { }
+
+[ShrinkNetworkMessage(49999, "duplicate")]
+public sealed class DuplicateMessageB : IShrinkNetworkMessage { }

Godot/Tests/InvalidCodeGenFixture/InvalidCodeGenFixture.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.InvalidCodeGenFixture</AssemblyName>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+    <RunAnalyzers>false</RunAnalyzers>
+    <_ShrinkCodeGenTaskAssembly>$(MSBuildThisFileDirectory)..\..\CodeGen\ShrinkSDK.CodeGen.Task\bin\$(Configuration)\net8.0\ShrinkSDK.CodeGen.Task.dll</_ShrinkCodeGenTaskAssembly>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Network\ShrinkSDK.Network.csproj" />
+    <ProjectReference Include="..\..\CodeGen\ShrinkSDK.CodeGen.Task\ShrinkSDK.CodeGen.Task.csproj" ReferenceOutputAssembly="false" />
+  </ItemGroup>
+  <Import Project="..\..\CodeGen\ShrinkSDK.CodeGen.Task\buildTransitive\ShrinkSDK.CodeGen.targets" />
+</Project>

Godot/Tests/ModFixture/FixtureMod.cs

@@ -0,0 +1,27 @@
+using ShrinkCommand;
+using ShrinkEventBus;
+using ShrinkModFramework;
+
+[ShrinkMod("fixture.mod", "Fixture Mod", "1.0.0")]
+public sealed class FixtureMod : ShrinkModBase, IShrinkModUnload
+{
+    public bool Ready { get; private set; }
+    public int UnloadCalls { get; private set; }
+    public override void OnReady(ShrinkModContext context) => Ready = true;
+    public void OnUnload(ShrinkModContext context) => UnloadCalls++;
+}
+
+public readonly struct ModFixtureEvent : IShrinkEvent { }
+
+[ShrinkEventSubscriber]
+public static class ModFixtureEvents
+{
+    public static int Calls { get; private set; }
+    [ShrinkSubscribe] private static void Handle(ModFixtureEvent value) => Calls++;
+}
+
+[ShrinkCommandSubscriber]
+public static class ModFixtureCommands
+{
+    [ShrinkCommand("mod-fixture/ping")] public static void Ping() { }
+}

Godot/Tests/ModFixture/ModFixture.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <AssemblyName>ShrinkSDK.ModFixture</AssemblyName>
+    <ShrinkCodeGenEnabled>true</ShrinkCodeGenEnabled>
+    <_ShrinkCodeGenTaskAssembly>$(MSBuildThisFileDirectory)..\..\CodeGen\ShrinkSDK.CodeGen.Task\bin\$(Configuration)\net8.0\ShrinkSDK.CodeGen.Task.dll</_ShrinkCodeGenTaskAssembly>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Runtime.Abstractions\ShrinkSDK.Runtime.Abstractions.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.ModFramework\ShrinkSDK.ModFramework.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+  </ItemGroup>
+  <Import Project="..\..\CodeGen\ShrinkSDK.CodeGen.Task\buildTransitive\ShrinkSDK.CodeGen.targets" />
+</Project>

Godot/Tests/ModHostFixture/ModHostFixture.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.ModHostFixture</AssemblyName>
+    <ShrinkCodeGenEnabled>false</ShrinkCodeGenEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.ModFramework.Godot\ShrinkSDK.ModFramework.Godot.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.EventBus\ShrinkSDK.EventBus.csproj" />
+    <ProjectReference Include="..\..\Packages\ShrinkSDK.Command\ShrinkSDK.Command.csproj" />
+  </ItemGroup>
+</Project>

Godot/Tests/ModHostFixture/Program.cs

@@ -0,0 +1,37 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using ShrinkCommand;
+using ShrinkEventBus;
+using ShrinkModFramework.Godot;
+
+if (args.Length != 1 || !File.Exists(args[0]))
+    throw new ArgumentException("Pass the woven mod assembly path.");
+
+using var loader = new ShrinkGodotModLoader();
+var instances = loader.Load(args[0]);
+if (instances.Count != 1) throw new InvalidOperationException("Mod entry was not discovered.");
+var mod = instances[0];
+var type = mod.GetType();
+if (type.GetProperty("Ready")?.GetValue(mod) is not true)
+    throw new InvalidOperationException("Mod lifecycle did not reach OnReady.");
+var assembly = type.Assembly;
+if (assembly.GetCustomAttributes(typeof(ShrinkCommandStaticRegistryAttribute), false).Length != 1)
+    throw new InvalidOperationException("Mod command registry metadata is missing.");
+var eventType = assembly.GetType("ModFixtureEvent") ?? throw new InvalidOperationException("Mod event is missing.");
+var post = typeof(EventBus).GetMethods(BindingFlags.Public | BindingFlags.Static)
+    .Single(method => method.Name == "Post" && method.IsGenericMethodDefinition && method.GetParameters().Length == 1)
+    .MakeGenericMethod(eventType);
+post.Invoke(null, new[] { Activator.CreateInstance(eventType) });
+var eventSubscriber = assembly.GetType("ModFixtureEvents") ?? throw new InvalidOperationException("Mod static subscriber is missing.");
+if ((int?)eventSubscriber.GetProperty("Calls", BindingFlags.Public | BindingFlags.Static)?.GetValue(null) != 1)
+    throw new InvalidOperationException("Mod static EventBus binding did not run.");
+if (!loader.Unload(args[0])) throw new InvalidOperationException("Mod unload failed.");
+if ((int?)type.GetProperty("UnloadCalls")?.GetValue(mod) != 1)
+    throw new InvalidOperationException("Mod OnUnload was not called.");
+if (loader.LoadedAssemblyPaths.Count != 0)
+    throw new InvalidOperationException("Mod remained registered after unload.");
+Console.WriteLine("PASS external netstandard2.1 mod CodeGen + Godot AssemblyLoadContext lifecycle");

Godot/Tests/NuGetConsumer/NuGetConsumer.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <AssemblyName>ShrinkSDK.NuGetConsumer</AssemblyName>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="ShrinkSDK.EventBus" Version="2.1.0" />
+    <PackageReference Include="ShrinkSDK.Command" Version="0.3.0" />
+    <PackageReference Include="ShrinkSDK.Network" Version="0.3.0" />
+  </ItemGroup>
+</Project>

Godot/Tests/NuGetConsumer/Program.cs

@@ -0,0 +1,46 @@
+#nullable enable
+
+using System;
+using System.Linq;
+using ShrinkCommand;
+using ShrinkEventBus;
+using ShrinkNetwork;
+using ShrinkSDK.Runtime;
+
+var assembly = typeof(Program).Assembly;
+var marker = assembly.GetCustomAttributes(typeof(ShrinkCodeGenWovenAttribute), false)
+    .Cast<ShrinkCodeGenWovenAttribute>().SingleOrDefault()
+    ?? throw new InvalidOperationException("buildTransitive CodeGen did not run.");
+using var binding = EventBus.Attach(new NuGetSubscriber());
+EventBus.Post(new NuGetEvent());
+if (NuGetSubscriber.Calls != 1 || NuGetStaticSubscriber.Calls != 1)
+    throw new InvalidOperationException("NuGet EventBus weaving failed.");
+if (assembly.GetCustomAttributes(typeof(ShrinkCommandStaticRegistryAttribute), false).Length != 1 ||
+    assembly.GetCustomAttributes(typeof(ShrinkNetworkMessageRegistryAttribute), false).Length != 1)
+    throw new InvalidOperationException("NuGet registries are missing.");
+Console.WriteLine($"PASS NuGet buildTransitive CodeGen {marker.WeaverVersion}");
+
+public readonly struct NuGetEvent : IShrinkEvent { }
+
+[ShrinkEventSubscriber]
+public sealed class NuGetSubscriber
+{
+    public static int Calls;
+    [ShrinkSubscribe] private void Handle(NuGetEvent value) => Calls++;
+}
+
+[ShrinkEventSubscriber]
+public static class NuGetStaticSubscriber
+{
+    public static int Calls;
+    [ShrinkSubscribe] private static void Handle(NuGetEvent value) => Calls++;
+}
+
+[ShrinkCommandSubscriber]
+public static class NuGetCommands
+{
+    [ShrinkCommand("nuget/smoke")] public static void Smoke() { }
+}
+
+[ShrinkNetworkMessage(43001, "nuget/smoke")]
+public sealed class NuGetMessage : IShrinkNetworkMessage { }

Godot/Tests/UnityAdapterCompile/UnityAdapterCompile.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net472</TargetFramework>
+    <LangVersion>9.0</LangVersion>
+    <Nullable>enable</Nullable>
+    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    <AssemblyName>ShrinkSDK.UnityAdapterCompile</AssemblyName>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\..\Assets\Modules\ShrinkShared.CodeGen\Editor\Core\*.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkShared.CodeGen\Editor\UnityShrinkCodeGenAdapter.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkShared.CodeGen\Editor\ShrinkRegistryILPostProcessor.cs" />
+    <Compile Include="..\..\..\Assets\Modules\ShrinkEventBus\CodeGen\Editor\EventBusILPostProcessor.cs" />
+    <Reference Include="Unity.CompilationPipeline.Common">
+      <HintPath>D:\UnityEditor\2022.3.62f3\Editor\Data\Managed\Unity.CompilationPipeline.Common.dll</HintPath>
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Mono.Cecil">
+      <HintPath>..\..\..\Library\PackageCache\com.unity.nuget.mono-cecil@1.11.4\Mono.Cecil.dll</HintPath>
+      <Private>false</Private>
+    </Reference>
+  </ItemGroup>
+</Project>