perf(*): 创作工作台 - 优化首页按需加载与画布交互并修复历史迁移冲突

web/src/components/canvas/canvas-node-split-dialog.tsx

@@ -35,7 +35,7 @@ export function CanvasNodeSplitDialog({ dataUrl, open, onClose, onConfirm }: { d
         <Modal title={null} open={open && Boolean(dataUrl)} onCancel={onClose} footer={null} width={780} centered destroyOnHidden>
             <div className="space-y-5">
                 <div>
-                    <h2 className="text-xl font-semibold">切分图片</h2>
+                    <h2 className="text-xl font-semibold">宫格切分</h2>
                     <p className="mt-1 text-sm opacity-60">生成 {total} 个图片子节点，并按原图网格排列到画布右侧</p>
                 </div>
                 <div className="grid gap-6 md:grid-cols-[minmax(260px,1fr)_280px]">