Implement Undo system for AI and bulk actions

src/components/DimensionsView.tsx

@@ -8,6 +8,7 @@ interface DimensionsViewProps {
   headers: string[];
   onEdit: (index: number) => void;
   onSaveRow: (index: number, updatedRow: ExcelRow) => void;
+  onCaptureState: (message: string) => void;
 }
 
 interface DimensionGroup {
@@ -22,7 +23,7 @@ interface DimensionGroup {
   };
 }
 
-export function DimensionsView({ data, headers, onEdit, onSaveRow }: DimensionsViewProps) {
+export function DimensionsView({ data, headers, onEdit, onSaveRow, onCaptureState }: DimensionsViewProps) {
   const [expandedGroups, setExpandedGroups] = useState<Set<string>>(new Set());
   const [showOnlyInconsistent, setShowOnlyInconsistent] = useState(true);
   const [syncing, setSyncing] = useState<string | null>(null);
@@ -100,6 +101,7 @@ export function DimensionsView({ data, headers, onEdit, onSaveRow }: DimensionsV
       return;
     }
 
+    onCaptureState(`Synced ${group.rows.length} products in ${group.innerDims} group`);
     setSyncing(group.key);
     try {
       const first = group.rows[0].row;