Remove ResourceUtils.CopyFolder and update comments

Source/Workspace/Celbridge.Resources/Helpers/ResourceUtils.cs

@@ -4,35 +4,6 @@ namespace Celbridge.Resources.Helpers;
 
 public class ResourceUtils
 {
-    public static void CopyFolder(string sourceFolder, string destFolder)
-    {
-        DirectoryInfo dir = new DirectoryInfo(sourceFolder);
-
-        if (!dir.Exists)
-        {
-            throw new DirectoryNotFoundException($"Source directory does not exist or could not be found: {sourceFolder}");
-        }
-
-        DirectoryInfo[] dirs = dir.GetDirectories();
-        if (!Directory.Exists(destFolder))
-        {
-            Directory.CreateDirectory(destFolder);
-        }
-
-        FileInfo[] files = dir.GetFiles();
-        foreach (FileInfo file in files)
-        {
-            string tempPath = Path.Combine(destFolder, file.Name);
-            file.CopyTo(tempPath);
-        }
-
-        foreach (DirectoryInfo subdir in dirs)
-        {
-            string tempPath = Path.Combine(destFolder, subdir.Name);
-            CopyFolder(subdir.FullName, tempPath);
-        }
-    }
-
     public static async Task<Result> OpenApplication(string path)
     {
         await Task.CompletedTask;

Source/Workspace/Celbridge.Resources/Helpers/SidecarHelper.cs

@@ -346,6 +346,11 @@ private static string StripTrailingTerminator(string content)
     /// </summary>
     public static CelFileStatus Inspect(string absolutePath, ILogger logger)
     {
+        // Direct read rather than via IFileStorage: Inspect runs synchronously
+        // inside ResourceClassifier during UpdateResourceRegistry, the absolute
+        // path has already been resolved through the root handler registry, and
+        // a transient read failure is benign (the file gets classified Broken
+        // and the next registry pass reclassifies it).
         string text;
         try
         {

Source/Workspace/Celbridge.Resources/Services/FileStorage.cs

@@ -661,8 +661,8 @@ private static bool IsRootWritable(IRootHandlerRegistry rootHandlerRegistry, Res
             || handler.Capabilities.IsWritable;
     }
 
-    // Recursive folder copy. Mirrors ResourceUtils.CopyFolder but stays internal
-    // to the FS layer so the chokepoint owns the destination structure.
+    // Recursive folder copy used by the chokepoint's CopyAsync path. Stays
+    // internal to the FS layer so the chokepoint owns the destination structure.
     private static void CopyFolderRecursive(string sourceFolder, string destFolder)
     {
         Directory.CreateDirectory(destFolder);