multiple inconsistencies fixed (AI)

webroot/js/main.js

@@ -1,6 +1,6 @@
 // Main application file that coordinates all modules
 
-import { setupTooltips, setupCopyButtons } from './utils.js';
+import { setupTooltips, setupCopyButtons, copyToClipboard } from './utils.js';
 import { Calculator } from './calculator.js';
 import { FAT12_16Filesystem, FAT32Filesystem } from './filesystems/fat.js';
 import { NTFSFilesystem } from './filesystems/ntfs.js';
@@ -34,6 +34,19 @@ class FilesystemCalculator {
         }
     }
 
+    // Get active tab's filesystem for context-aware operations
+    getActiveFilesystem() {
+        return this.findFilesystemForTab(this.activeTab);
+    }
+
+    // Get active tab's variant
+    getActiveVariant() {
+        if (!this.activeTab) return null;
+        const filesystem = this.getActiveFilesystem();
+        if (!filesystem) return null;
+        return filesystem.variants.find(v => v.id === this.activeTab);
+    }
+
     renderTabs() {
         const tabsContainer = document.getElementById('filesystem-tabs');
         const tabs = [];
@@ -93,10 +106,9 @@ class FilesystemCalculator {
         // Initialize UX enhancements
         initializeUXEnhancements();
         
+        // Bind copyToClipboard at module scope - no dynamic import needed
         window.copyToClipboard = (elementId) => {
-            import('./utils.js').then(module => {
-                module.copyToClipboard(elementId);
-            });
+            copyToClipboard(elementId);
         };
     }