fix(flow): stabilize preview import and dynamic-group rendering

- hide dynamic-group containers in preview graph sanitization

- keep dynamic-group plugin registered in render-only/interactive presets

- refresh canvas immediately after JSON import

src/YysEditorEmbed.vue

@@ -111,12 +111,15 @@ const sanitizeLabelProperty = (properties: unknown): Record<string, any> | undef
   return nextProperties
 }
 
-const sanitizeGraphData = (input?: GraphData | null): GraphData => {
+const sanitizeGraphData = (
+  input?: GraphData | null,
+  options?: { hideDynamicGroups?: boolean }
+): GraphData => {
   if (!input || !Array.isArray(input.nodes) || !Array.isArray(input.edges)) {
     return { nodes: [], edges: [] }
   }
 
-  const nodes = input.nodes
+  const rawNodes = input.nodes
     .filter((node): node is NodeData => isPlainObject(node))
     .map((node) => {
       const nextNode: NodeData = { ...node }
@@ -127,6 +130,12 @@ const sanitizeGraphData = (input?: GraphData | null): GraphData => {
       return nextNode
     })
 
+  const hiddenDynamicGroup = options?.hideDynamicGroups === true
+  const nodes = hiddenDynamicGroup
+    ? rawNodes.filter((node) => node.type !== 'dynamic-group')
+    : rawNodes
+  const nodeIdSet = new Set(nodes.map((node) => node.id))
+
   const edges = input.edges
     .filter((edge): edge is EdgeData => isPlainObject(edge))
     .map((edge) => {
@@ -137,6 +146,7 @@ const sanitizeGraphData = (input?: GraphData | null): GraphData => {
       }
       return nextEdge
     })
+    .filter((edge) => !hiddenDynamicGroup || (nodeIdSet.has(edge.sourceNodeId) && nodeIdSet.has(edge.targetNodeId)))
 
   return { nodes, edges }
 }
@@ -328,7 +338,7 @@ const initPreviewMode = () => {
 
   // 渲染数据
   if (props.data) {
-    previewLf.value.render(sanitizeGraphData(props.data))
+    previewLf.value.render(sanitizeGraphData(props.data, { hideDynamicGroups: true }))
   }
 }
 
@@ -362,7 +372,7 @@ const getGraphData = (): GraphData | null => {
 }
 
 const setGraphData = (data: GraphData) => {
-  const safeData = sanitizeGraphData(data)
+  const safeData = sanitizeGraphData(data, { hideDynamicGroups: props.mode === 'preview' })
   if (props.mode === 'edit') {
     const lfInstance = getLogicFlowInstance()
     if (lfInstance) {

src/components/Toolbar.vue

@@ -928,7 +928,7 @@ const handleImport = () => {
           const target = e.target as FileReader;
           const data = JSON.parse(target.result as string);
           filesStore.importData(data);
-          // refreshLogicFlowCanvas('LogicFlow 画布已重新渲染（导入数据）');
+          refreshLogicFlowCanvas('LogicFlow 画布已重新渲染（导入数据）');
         } catch (error) {
           console.error('Failed to import file', error);
           showMessage('error', '文件格式错误');

src/flowRuntime.ts

@@ -1,5 +1,5 @@
 import type LogicFlow from '@logicflow/core'
-import { Menu, Label, Snapshot, SelectionSelect, MiniMap, Control } from '@logicflow/extension'
+import { Menu, Label, Snapshot, SelectionSelect, MiniMap, Control, DynamicGroup } from '@logicflow/extension'
 import { register } from '@logicflow/vue-node-registry'
 
 import ImageNode from './components/flow/nodes/common/ImageNode.vue'
@@ -27,8 +27,9 @@ const DEFAULT_FLOW_NODES: FlowNodeRegistration[] = [
 ]
 
 const FLOW_PLUGIN_PRESETS: Record<FlowCapabilityLevel, FlowPlugin[]> = {
-  'render-only': [Snapshot],
-  interactive: [Menu, Label, Snapshot, SelectionSelect, MiniMap, Control]
+  // 预览模式也需要 DynamicGroup，避免包含 dynamic-group 节点的图在只读渲染时报错
+  'render-only': [DynamicGroup, Snapshot],
+  interactive: [DynamicGroup, Menu, Label, Snapshot, SelectionSelect, MiniMap, Control]
 }
 
 export function getFlowPluginsByCapability(capability: FlowCapabilityLevel): FlowPlugin[] {
@@ -60,4 +61,3 @@ export function registerFlowNodes(lfInstance: LogicFlow, nodes?: FlowNodeRegistr
   const registrations = resolveFlowNodes(nodes)
   registrations.forEach((registration) => register(registration, lfInstance))
 }
-