fix: guard against undefined/stale refs in comment interactions

Author: mattConnHarbour

packages/super-editor/src/core/commands/list-helpers/is-list.js

@@ -4,8 +4,15 @@ import { getResolvedParagraphProperties } from '@extensions/paragraph/resolvedPr
  * @param {import("prosemirror-model").Node} n - The ProseMirror node to check.
  * @returns {boolean} True if the node is an ordered or bullet list, false otherwise
  */
-export const isList = (node) =>
-  !!node &&
-  node.type?.name === 'paragraph' &&
-  getResolvedParagraphProperties(node).numberingProperties &&
-  node.attrs?.listRendering;
+export const isList = (node) => {
+  const resolvedProps = getResolvedParagraphProperties(node);
+  const props = resolvedProps || node.attrs?.paragraphProperties; // fall back to raw props if uncached
+  const numberingProps = props?.numberingProperties;
+
+  return (
+    !!node &&
+    node.type?.name === 'paragraph' &&
+    numberingProps &&
+    node.attrs?.listRendering
+  );
+};

packages/superdoc/src/components/CommentsLayer/FloatingComments.vue

@@ -136,7 +136,10 @@ watch(activeComment, (newVal, oldVal) => {
     verticalOffset.value = selectionTop - renderedTop;
 
     setTimeout(() => {
-      renderedItem.elementRef.value?.scrollIntoView({
+      // elementRef may be stale/null after comment list re-renders
+      const elementRef = renderedItem.elementRef;
+      if (!elementRef) return;
+      elementRef.value?.scrollIntoView({
         behavior: 'smooth',
         block: 'center',
       });