fix(electron): added macos file associations

electron/renderer/dom-manager.js

@@ -85,11 +85,19 @@ function initializeDOMElements() {
 
 // --- VIEW AND UI LOGIC ---
 function showView(viewId) {
+  // Get the OPAT view element
+  const opatView = document.getElementById('opat-view');
+  
   // Hide main content views
   [welcomeScreen, bundleView, createBundleForm].forEach(view => {
     view.classList.toggle('hidden', view.id !== viewId);
   });
   
+  // Handle OPAT view separately since it's not in the main views array
+  if (opatView) {
+    opatView.classList.toggle('hidden', viewId !== 'opat-view');
+  }
+  
   // Also hide all category home screens when showing main content
   const categoryHomeScreens = [
     'libplugin-home', 'opat-home', 'libconstants-home', 'serif-home'
@@ -108,6 +116,14 @@ function showView(viewId) {
     if (libpluginView) {
       libpluginView.classList.remove('hidden');
     }
+  } else if (viewId === 'opat-view') {
+    // Ensure OPAT view is visible and properly initialized
+    if (opatView) {
+      opatView.classList.remove('hidden');
+      console.log('[DOM_MANAGER] OPAT view shown successfully');
+    } else {
+      console.error('[DOM_MANAGER] OPAT view element not found!');
+    }
   }
 }