Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Assistants/ERI/OperatingSystemExtensions.cs

@@ -4,23 +4,26 @@ public static class OperatingSystemExtensions
 {
     private static string TB(string fallbackEN) => Tools.PluginSystem.I18N.I.T(fallbackEN, typeof(OperatingSystemExtensions).Namespace, nameof(OperatingSystemExtensions));
     
-    public static string Name(this OperatingSystem os) => os switch
+    extension(OperatingSystem os)
     {
-        OperatingSystem.NONE => TB("No operating system specified"),
+        public string Name() => os switch
+        {
+            OperatingSystem.NONE => TB("No operating system specified"),
         
-        OperatingSystem.WINDOWS => TB("Windows"),
-        OperatingSystem.LINUX => TB("Linux"),
+            OperatingSystem.WINDOWS => TB("Windows"),
+            OperatingSystem.LINUX => TB("Linux"),
         
-        _ => TB("Unknown operating system")
-    };
-    
-    public static string ToPrompt(this OperatingSystem os) => os switch
-    {
-        OperatingSystem.NONE => "No operating system specified",
+            _ => TB("Unknown operating system")
+        };
+
+        public string ToPrompt() => os switch
+        {
+            OperatingSystem.NONE => "No operating system specified",
         
-        OperatingSystem.WINDOWS => "Windows",
-        OperatingSystem.LINUX => "Linux",
+            OperatingSystem.WINDOWS => "Windows",
+            OperatingSystem.LINUX => "Linux",
         
-        _ => "Unknown operating system"
-    };
+            _ => "Unknown operating system"
+        };
+    }
 }