Make published assemblies platform-agnostic

Co-authored-by: dennisdoomen <[email protected]>

Author: Copilot

Build/Build.cs

@@ -235,22 +235,19 @@ class Build : NukeBuild
             var publishDirectory = ArtifactsDirectory / "publish";
             publishDirectory.CreateOrCleanDirectory();
 
-            // Publish for win-x64 as a self-contained executable
+            // Publish as platform-agnostic framework-dependent deployment
             DotNetPublish(s => s
                 .SetProject(Solution.PackageGuard)
                 .SetConfiguration(Configuration)
-                .SetRuntime("win-x64")
-                .EnableSelfContained()
-                .EnablePublishSingleFile()
-                .SetOutput(publishDirectory / "win-x64")
+                .SetOutput(publishDirectory)
                 .SetVersion(SemVer));
 
             // Create ZIP file
-            var zipFileName = $"PackageGuard-{SemVer}-win-x64.zip";
+            var zipFileName = $"PackageGuard-{SemVer}.zip";
             var zipFilePath = ArtifactsDirectory / zipFileName;
 
             Information($"Creating ZIP file: {zipFilePath}");
-            ZipFile.CreateFromDirectory(publishDirectory / "win-x64", zipFilePath, CompressionLevel.Optimal, false);
+            ZipFile.CreateFromDirectory(publishDirectory, zipFilePath, CompressionLevel.Optimal, false);
 
             ReportSummary(s => s
                 .AddPair("Binary ZIP", zipFileName));

README.md

@@ -59,14 +59,14 @@ Install as [a NuGet Tool package](https://www.nuget.org/packages/packageguard):
 
 Then use `packageguard --help` to see a list of options.
 
-### As a standalone executable (Windows only)
+### As a portable deployment
 
-Download the latest `PackageGuard-{version}-win-x64.zip` from the [releases page](https://github.com/dennisdoomen/packageguard/releases/latest), extract it, and run `PackageGuard.exe` directly. This is a self-contained Windows executable that does not require .NET to be installed.
+Download the latest `PackageGuard-{version}.zip` from the [releases page](https://github.com/dennisdoomen/packageguard/releases/latest), extract it, and run it using `dotnet PackageGuard.dll`. This requires .NET 9.0 or later to be installed but works on Windows, Linux, and macOS.
 
 ```
 USAGE:
-    packageguard [path] [OPTIONS]         # When installed as a global tool
-    PackageGuard.exe [path] [OPTIONS]     # When using the standalone executable
+    packageguard [path] [OPTIONS]           # When installed as a global tool
+    dotnet PackageGuard.dll [path] [OPTIONS] # When using the portable deployment
 
 ARGUMENTS:
     [path]    The path to a directory containing a .sln/.slnx file, a specific .sln/.slnx file, or a specific .csproj file. Defaults to the current working