fix: inline rename uses .tree-item-text span instead of direct text node

frontend/js/ui.js

@@ -843,13 +843,14 @@ const FileOperations = {
       return;
     }
 
-    const textNode = Array.from(item.childNodes).find((node) => node.nodeType === Node.TEXT_NODE && node.textContent.trim());
-    if (!textNode) {
+    // Find the text span (.tree-item-text) — tree items use spans, not direct text nodes
+    const textSpan = item.querySelector('.tree-item-text');
+    if (!textSpan) {
       showToast('Impossible de renommer cet élément', 'error');
       return;
     }
 
-    const originalText = textNode.textContent;
+    const originalText = textSpan.textContent;
     const trimmedOriginal = originalText.trim();
     const currentName = path.split('/').pop() || trimmedOriginal;
     const baseName = type === 'file' ? currentName.replace(/(\.[^./\\]+)$/i, '') : currentName;
@@ -860,17 +861,13 @@ const FileOperations = {
     input.className = 'sidebar-item-input';
     input.value = baseName;
 
-    textNode.textContent = ' ';
-    const badge = item.querySelector('.badge-small');
-    if (badge) {
-      item.insertBefore(input, badge);
-    } else {
-      item.appendChild(input);
-    }
+    // Hide the text span, show input
+    textSpan.style.display = 'none';
+    textSpan.insertAdjacentElement('afterend', input);
 
     const restore = () => {
       input.remove();
-      textNode.textContent = originalText;
+      textSpan.style.display = '';
     };
 
     const validateName = (name) => {