Fix mobile scroll preservation when returning from editor to note list

src/components/EvercloneWorkspace.tsx

@@ -505,9 +505,14 @@ export default function EvercloneWorkspace() {
     await fetchSidebar();
   };
 
+  const listScrollPosRef = useRef<number>(0);
+
   // Android / Browser Back Button support when zoomed into a note or drawer on mobile
   const openNoteInEditor = useCallback(
     (noteId: string) => {
+      if (listParentRef.current) {
+        listScrollPosRef.current = listParentRef.current.scrollTop;
+      }
       setSelectedNoteId(noteId);
       if (typeof window !== 'undefined' && window.innerWidth < 768 && mobilePane !== 'editor') {
         window.history.pushState({ evcMobilePane: 'editor', noteId }, '');
@@ -531,6 +536,22 @@ export default function EvercloneWorkspace() {
     return () => window.removeEventListener('popstate', onPopState);
   }, [mobileMenuOpen, activeView, mobilePane]);
 
+  // Restore list scroll position or scroll top when returning to list pane on mobile
+  useEffect(() => {
+    if (mobilePane === 'list' && listParentRef.current) {
+      const targetScroll = listScrollPosRef.current;
+      // Also ensure window itself is at top (prevent browser auto-scroll offset)
+      if (typeof window !== 'undefined') {
+        window.scrollTo(0, 0);
+      }
+      requestAnimationFrame(() => {
+        if (listParentRef.current) {
+          listParentRef.current.scrollTop = targetScroll;
+        }
+      });
+    }
+  }, [mobilePane]);
+
   const handleSaveCurrentSearch = async () => {
     if (!searchQuery.trim()) return;
     const name = window.prompt('Name for this Saved Search:', searchQuery.trim());