disable: comment out PagePopup and page hover/highlight feature

Keep the code aside for potential re-activation later.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/App.vue

@@ -2,7 +2,7 @@
 import PagedJsWrapper from './components/PagedJsWrapper.vue';
 import EditorPanel from './components/editor/EditorPanel.vue';
 import ElementPopup from './components/ElementPopup.vue';
-import PagePopup from './components/PagePopup.vue';
+// import PagePopup from './components/PagePopup.vue'; // DISABLED: page template styling feature
 import PreviewLoader from './components/PreviewLoader.vue';
 import SaveButton from './components/SaveButton.vue';
 import { onMounted, ref, computed, provide } from 'vue';
@@ -19,22 +19,22 @@ const narrativeStore = useNarrativeStore();
 const previewFrame1 = ref(null);
 const previewFrame2 = ref(null);
 const elementPopup = ref(null);
-const pagePopup = ref(null);
+// const pagePopup = ref(null); // DISABLED: page template styling feature
 const activeTab = ref('');
 
 provide('activeTab', activeTab);
 
 // Setup iframe interactions (hover, click, labels)
 const {
-  hoveredPage,
-  selectedPages,
+  // hoveredPage, // DISABLED: page template styling feature
+  // selectedPages, // DISABLED: page template styling feature
   hoveredElement,
   selectedElement,
   handleIframeMouseMove,
   handleIframeClick,
-  handlePagePopupClose,
+  // handlePagePopupClose, // DISABLED: page template styling feature
   handleElementPopupClose,
-} = useIframeInteractions({ elementPopup, pagePopup });
+} = useIframeInteractions({ elementPopup });
 
 // Setup preview renderer with double buffering
 const {
@@ -67,7 +67,7 @@ const {
 } = useKeyboardShortcuts({
   stylesheetStore,
   elementPopup,
-  pagePopup,
+  // pagePopup, // DISABLED: page template styling feature
   activeTab,
   printPreview,
 });
@@ -117,11 +117,13 @@ onMounted(async () => {
     :iframeRef="activeFrame"
     @close="handleElementPopupClose"
   />
+  <!-- DISABLED: page template styling feature
   <PagePopup
     ref="pagePopup"
     :iframeRef="activeFrame"
     @close="handlePagePopupClose"
   />
+  -->
 
   <button class="print-btn" @click="printPreview" :title="`Imprimer (${isMac ? '⌘' : 'Ctrl'}+P)`">
     <svg