refactor(scripting): clarify sandbox-pin invariant + add RootNamespace (A0 review)

src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions/ZB.MOM.WW.OtOpcUa.Core.Scripting.Abstractions.csproj

@@ -8,6 +8,7 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <RootNamespace>ZB.MOM.WW.OtOpcUa.Core.Scripting</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>

src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting/ScriptSandbox.cs

@@ -56,7 +56,9 @@ public static class ScriptSandbox
             // Core.Abstractions — DataValueSnapshot + DriverDataType so scripts can name
             // the types they receive from ctx.GetTag.
             typeof(DataValueSnapshot).Assembly,
-            // Core.Scripting itself — ScriptContext base class + Deadband static.
+            // Core.Scripting.Abstractions — ScriptContext base class + Deadband static.
+            // Intentionally NOT Core.Scripting (which holds ScriptEvaluator/ScriptSandbox + Roslyn):
+            // keeping it out of the sandbox pin keeps Roslyn out of the globalsType assembly closure.
             typeof(ScriptContext).Assembly,
             // Serilog.ILogger — script-side logger type.
             typeof(Serilog.ILogger).Assembly,