Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Tools/ToolCallingSystem/ToolCallingImplementations/WebSearch/WebSearchBackendExtensions.cs

@@ -2,21 +2,24 @@ namespace AIStudio.Tools.ToolCallingSystem.ToolCallingImplementations.WebSearch;
 
 public static class WebSearchBackendExtensions
 {
-    /// <summary>
-    /// The name of one search service, as the user reads it and as a search result reports it.
-    /// </summary>
-    /// <remarks>
-    /// Product names, so they are not translated: SearXNG is called SearXNG in every language.
-    /// What gets stored is the enum member name instead, which is what leaves this free to be
-    /// worded for people — in the settings dropdown, in a note explaining which service
-    /// answered, and in the result the model reads.
-    /// </remarks>
-    public static string ToName(this WebSearchBackend backend) => backend switch
+    extension(WebSearchBackend backend)
     {
-        WebSearchBackend.SEARXNG => "SearXNG",
-        WebSearchBackend.STAAN => "Staan",
-        WebSearchBackend.TAVILY => "Tavily",
+        /// <summary>
+        /// The name of one search service, as the user reads it and as a search result reports it.
+        /// </summary>
+        /// <remarks>
+        /// Product names, so they are not translated: SearXNG is called SearXNG in every language.
+        /// What gets stored is the enum member name instead, which is what leaves this free to be
+        /// worded for people — in the settings dropdown, in a note explaining which service
+        /// answered, and in the result the model reads.
+        /// </remarks>
+        public string ToName() => backend switch
+        {
+            WebSearchBackend.SEARXNG => "SearXNG",
+            WebSearchBackend.STAAN => "Staan",
+            WebSearchBackend.TAVILY => "Tavily",
 
-        _ => backend.ToString(),
-    };
+            _ => backend.ToString(),
+        };
+    }
 }