Refactor code structure for improved readability and maintainability

Author: codebyoul

config/config.php

@@ -26,7 +26,7 @@
         'charset' => 'UTF-8',
         // Asset version for cache busting (increment when JS/CSS files change)
         // Format: major.minor.patch (e.g., 1.0.0, 1.0.1, 1.1.0, 2.0.0)
-        'asset_version' => '3.4.3',
+        'asset_version' => '4.1.0', // Fixed: Tree only refreshes on modifications (create/delete/rename), not on read-only navigation
     ],
 
     // ============================================================================