Resolve all 46 low-severity architecture review findings

src/ZB.MOM.WW.ScadaBridge.TemplateEngine/SharedScriptService.cs

@@ -61,6 +61,10 @@ public class SharedScriptService
         if (syntaxError != null)
             return Result<SharedScript>.Failure(syntaxError);
 
+        var compilation = new Validation.ScriptCompiler().TryCompile(code, name);
+        if (compilation.IsFailure)
+            return Result<SharedScript>.Failure(compilation.Error);
+
         var script = new SharedScript(name, code)
         {
             ParameterDefinitions = parameterDefinitions,
@@ -110,6 +114,10 @@ public class SharedScriptService
         if (syntaxError != null)
             return Result<SharedScript>.Failure(syntaxError);
 
+        var compilation = new Validation.ScriptCompiler().TryCompile(code, script.Name);
+        if (compilation.IsFailure)
+            return Result<SharedScript>.Failure(compilation.Error);
+
         script.Code = code;
         script.ParameterDefinitions = parameterDefinitions;
         script.ReturnDefinition = returnDefinition;
@@ -171,7 +179,7 @@ public class SharedScriptService
     /// comment-aware (see <see cref="Validation.CSharpDelimiterScanner"/>) so a
     /// delimiter inside a regular/verbatim/interpolated/raw string literal, a
     /// char literal, or a comment does not produce a false syntax error.
-    /// Full Roslyn compilation would be added in a later phase when the scripting sandbox is available.
+    /// Create and update additionally apply the cached Roslyn compile and trust gate.
     /// </summary>
     /// <param name="code">The C# code to validate.</param>
     /// <returns>An error message if validation fails; null if valid.</returns>