diff --git a/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx b/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
index 2f36d5c..a7ba0f5 100644
--- a/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
+++ b/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
@@ -6,6 +6,8 @@ import {
   type FreeLayoutProps,
   type WorkflowJSON,
 } from "@flowgram.ai/free-layout-editor"
+import { createFreeSnapPlugin } from "@flowgram.ai/free-snap-plugin"
+import { createMinimapPlugin } from "@flowgram.ai/minimap-plugin"
 
 import type { AIWorkflowDefinition, AIWorkflowNodeSpec } from "@/lib/api/admin"
 
@@ -29,11 +31,17 @@ export function useFlowgramEditorProps({
       readonly,
       initialData: definition as WorkflowJSON,
       nodeRegistries: buildFlowgramNodeRegistries(nodeSpecs),
+      fromNodeJSON(_node, json) {
+        return json
+      },
+      toNodeJSON(_node, json) {
+        return json
+      },
       materials: {
         renderDefaultNode: FlowgramNodeRenderer,
       },
       nodeEngine: {
-        enable: false,
+        enable: true,
       },
       history: {
         enable: !readonly,
@@ -61,7 +69,35 @@ export function useFlowgramEditorProps({
           },
         }
       },
-      plugins: () => [],
+      plugins: () => [
+        createMinimapPlugin({
+          disableLayer: true,
+          canvasStyle: {
+            canvasWidth: 150,
+            canvasHeight: 84,
+            canvasPadding: 48,
+            canvasBackground: "rgba(245, 245, 245, 1)",
+            canvasBorderRadius: 8,
+            viewportBackground: "rgba(235, 235, 235, 1)",
+            viewportBorderRadius: 4,
+            viewportBorderColor: "rgba(201, 201, 201, 1)",
+            viewportBorderWidth: 1,
+            viewportBorderDashLength: 2,
+            nodeColor: "rgba(255, 255, 255, 1)",
+            nodeBorderRadius: 2,
+            nodeBorderWidth: 0.145,
+            nodeBorderColor: "rgba(6, 7, 9, 0.10)",
+            overlayColor: "rgba(255, 255, 255, 0)",
+          },
+        }),
+        createFreeSnapPlugin({
+          edgeColor: "#00B2B2",
+          alignColor: "#00B2B2",
+          edgeLineWidth: 1,
+          alignLineWidth: 1,
+          alignCrossWidth: 8,
+        }),
+      ],
     }),
     [definition, nodeSpecs, onDefinitionChange, readonly]
   )
diff --git a/web/app/dashboard/ai-workflows/_components/flowgram-node-registries.tsx b/web/app/dashboard/ai-workflows/_components/flowgram-node-registries.tsx
index 2f5e1c8..5626fc4 100644
--- a/web/app/dashboard/ai-workflows/_components/flowgram-node-registries.tsx
+++ b/web/app/dashboard/ai-workflows/_components/flowgram-node-registries.tsx
@@ -1,4 +1,4 @@
-import type { WorkflowNodeRegistry } from "@flowgram.ai/free-layout-editor"
+import { Field, type WorkflowNodeRegistry } from "@flowgram.ai/free-layout-editor"
 
 import type { AIWorkflowNodeSpec } from "@/lib/api/admin"
 
@@ -23,13 +23,38 @@ export function buildFlowgramNodeRegistries(nodeSpecs: AIWorkflowNodeSpec[]): Wo
       type: spec.type,
       meta: {
         defaultExpanded: true,
+        isStart: spec.type === "start",
         deleteDisable: spec.type === "start" || spec.type === "end",
         copyDisable: spec.type === "start" || spec.type === "end",
         defaultPorts: defaultPortsForNodeType(spec.type),
       },
+      formMeta: {
+        render: () => <FlowgramNodeForm nodeType={spec.type} fallbackTitle={spec.title || spec.type} />,
+      },
     }))
 }
 
+function FlowgramNodeForm({
+  nodeType,
+  fallbackTitle,
+}: {
+  nodeType: string
+  fallbackTitle: string
+}) {
+  return (
+    <div className="min-w-0 flex-1">
+      <Field<string> name="title">
+        {({ field }) => (
+          <div className="truncate text-sm font-medium leading-5">
+            {field.value || fallbackTitle}
+          </div>
+        )}
+      </Field>
+      <div className="mt-1 truncate text-xs text-muted-foreground">{nodeType}</div>
+    </div>
+  )
+}
+
 function defaultPortsForNodeType(type: string) {
   if (type === "start") {
     return [{ type: "output" as const }]
diff --git a/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx b/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
index 8480574..031fa64 100644
--- a/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
+++ b/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
@@ -34,11 +34,9 @@ const iconByType: Record<string, ComponentType<{ className?: string }>> = {
 }
 
 export function FlowgramNodeRenderer(props: WorkflowNodeProps) {
-  const { selected, node } = useNodeRender()
+  const { selected, node, form } = useNodeRender()
   const nodeType = String(node.flowNodeType ?? "")
   const Icon = iconByType[nodeType] ?? BotIcon
-  const nodeJSON = node.toJSON?.() as { data?: { title?: string }; title?: string } | undefined
-  const title = nodeJSON?.data?.title || nodeJSON?.title || nodeType || "节点"
 
   return (
     <WorkflowNodeRenderer
@@ -53,10 +51,7 @@ export function FlowgramNodeRenderer(props: WorkflowNodeProps) {
         <div className="mt-0.5 flex size-8 shrink-0 items-center justify-center rounded-md border bg-muted">
           <Icon className="size-4 text-muted-foreground" />
         </div>
-        <div className="min-w-0 flex-1">
-          <div className="truncate text-sm font-medium leading-5">{title}</div>
-          <div className="mt-1 truncate text-xs text-muted-foreground">{nodeType}</div>
-        </div>
+        {form?.render()}
       </div>
     </WorkflowNodeRenderer>
   )
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-config-sidebar.tsx b/web/app/dashboard/ai-workflows/_components/workflow-config-sidebar.tsx
index 063f1ff..9994b9a 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-config-sidebar.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-config-sidebar.tsx
@@ -34,7 +34,7 @@ export function WorkflowConfigSidebar({
     : []
 
   return (
-    <aside className="flex w-80 shrink-0 flex-col border-l bg-background">
+    <aside className="relative z-50 flex w-80 shrink-0 flex-col border-l bg-background">
       <div className="border-b px-3 py-2">
         <div className="text-sm font-medium">配置</div>
       </div>
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx b/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
index 96bf8bb..e0b8fac 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
@@ -50,7 +50,7 @@ export function WorkflowEditorToolbar({
   publishDisabled?: boolean
 }) {
   return (
-    <div className="flex h-10 shrink-0 items-center justify-between border-b bg-background px-2">
+    <div className="relative z-50 flex h-10 shrink-0 items-center justify-between border-b bg-background px-2">
       <div className="flex min-w-0 items-center gap-2">
         <span
           className={cn(
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
index db7777d..b946982 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
@@ -2,7 +2,16 @@
 
 import { useEffect, useMemo, useState, type ReactNode } from "react"
 
-import { EditorRenderer, FreeLayoutEditorProvider } from "@flowgram.ai/free-layout-editor"
+import {
+  EditorRenderer,
+  FreeLayoutEditorProvider,
+  WorkflowDocument,
+  WorkflowSelectService,
+  type WorkflowJSON,
+  type WorkflowNodeJSON,
+  useClientContext,
+  useService,
+} from "@flowgram.ai/free-layout-editor"
 
 import type { AIWorkflowDefinition, AIWorkflowNodeSpec } from "@/lib/api/admin"
 
@@ -54,20 +63,8 @@ export function WorkflowEditor({
   toolbarExtra?: ReactNode
 }) {
   const [localDefinition, setLocalDefinition] = useState(definition)
-  const [editorKey, setEditorKey] = useState(0)
   const [selectedNodeId, setSelectedNodeId] = useState(definition.nodes[0]?.id ?? "")
 
-  useEffect(() => {
-    setLocalDefinition(definition)
-    setSelectedNodeId((current) => {
-      if (definition.nodes.some((node) => node.id === current)) {
-        return current
-      }
-      return definition.nodes[0]?.id ?? ""
-    })
-    setEditorKey((current) => current + 1)
-  }, [definition])
-
   const validation = useMemo(
     () => validateWorkflowDefinition(localDefinition, nodeSpecs),
     [localDefinition, nodeSpecs]
@@ -82,47 +79,138 @@ export function WorkflowEditor({
     },
   })
 
-  const emitDefinition = (next: AIWorkflowDefinition, remountEditor = false) => {
-    setLocalDefinition(next)
-    if (remountEditor) {
-      setEditorKey((current) => current + 1)
+  return (
+    <FreeLayoutEditorProvider {...editorProps}>
+      <WorkflowEditorInner
+        definition={localDefinition}
+        nodeSpecs={nodeSpecs}
+        selectedNodeId={selectedNodeId}
+        validation={validation}
+        toolbarExtra={toolbarExtra}
+        onDefinitionChange={(next) => {
+          setLocalDefinition(next)
+          onDefinitionChange(next)
+        }}
+        onSelectNode={setSelectedNodeId}
+        onUndo={onUndo}
+        undoDisabled={undoDisabled}
+        onRedo={onRedo}
+        redoDisabled={redoDisabled}
+        onRestoreDefault={onRestoreDefault}
+        restoreDefaultDisabled={restoreDefaultDisabled}
+        onValidate={onValidate}
+        validateDisabled={validateDisabled}
+        onSaveDraft={onSaveDraft}
+        saveDraftDisabled={saveDraftDisabled}
+        onPublish={onPublish}
+        publishDisabled={publishDisabled}
+      />
+    </FreeLayoutEditorProvider>
+  )
+}
+
+function WorkflowEditorInner({
+  definition,
+  nodeSpecs,
+  selectedNodeId,
+  validation,
+  toolbarExtra,
+  onDefinitionChange,
+  onSelectNode,
+  onUndo,
+  undoDisabled,
+  onRedo,
+  redoDisabled,
+  onRestoreDefault,
+  restoreDefaultDisabled,
+  onValidate,
+  validateDisabled,
+  onSaveDraft,
+  saveDraftDisabled,
+  onPublish,
+  publishDisabled,
+}: {
+  definition: AIWorkflowDefinition
+  nodeSpecs: AIWorkflowNodeSpec[]
+  selectedNodeId: string
+  validation: ReturnType<typeof validateWorkflowDefinition>
+  toolbarExtra?: ReactNode
+  onDefinitionChange: (definition: AIWorkflowDefinition) => void
+  onSelectNode: (nodeId: string) => void
+  onUndo?: () => void
+  undoDisabled?: boolean
+  onRedo?: () => void
+  redoDisabled?: boolean
+  onRestoreDefault?: () => void
+  restoreDefaultDisabled?: boolean
+  onValidate?: () => void
+  validateDisabled?: boolean
+  onSaveDraft?: () => void
+  saveDraftDisabled?: boolean
+  onPublish?: () => void
+  publishDisabled?: boolean
+}) {
+  const context = useClientContext()
+  const workflowDocument = useService(WorkflowDocument)
+  const selectService = useService(WorkflowSelectService)
+
+  useEffect(() => {
+    const disposable = selectService.onSelectionChanged(() => {
+      const selectedNode = selectService.selectedNodes[0]
+      if (selectedNode) {
+        onSelectNode(selectedNode.id)
+      }
+    })
+    return () => disposable.dispose()
+  }, [onSelectNode, selectService])
+
+  const emitCurrentDefinition = () => {
+    onDefinitionChange(context.document.toJSON() as AIWorkflowDefinition)
+  }
+
+  const addNode = async (spec: AIWorkflowNodeSpec) => {
+    const nextNode = createWorkflowNodeFromSpec(spec, definition.nodes, nextNodePosition(definition))
+    const created = workflowDocument.createWorkflowNodeByType(
+      spec.type,
+      nextNode.meta?.position,
+      nextNode as WorkflowNodeJSON
+    )
+    await selectService.selectNodeAndScrollToView(created)
+    onSelectNode(created.id)
+    emitCurrentDefinition()
+  }
+
+  const selectNode = (nodeId: string) => {
+    const node = workflowDocument.getAllNodes().find((item) => item.id === nodeId)
+    if (node) {
+      selectService.selectNodeAndFocus(node)
     }
-    onDefinitionChange(next)
+    onSelectNode(nodeId)
   }
 
-  const addNode = (spec: AIWorkflowNodeSpec) => {
-    const nextNode = createWorkflowNodeFromSpec(spec, localDefinition.nodes, nextNodePosition(localDefinition))
-    const next = {
-      ...localDefinition,
-      nodes: [...localDefinition.nodes, nextNode],
-    }
-    setSelectedNodeId(nextNode.id)
-    emitDefinition(next, true)
+  const updateNodeData = (nodeId: string, data: WorkflowNodeData) => {
+    const next = updateWorkflowNodeData(definition, nodeId, data)
+    context.operation.fromJSON(next as WorkflowJSON)
+    onDefinitionChange(context.document.toJSON() as AIWorkflowDefinition)
   }
 
-  const updateNodeData = (
-    nodeId: string,
-    data: WorkflowNodeData
-  ) => {
-    emitDefinition(updateWorkflowNodeData(localDefinition, nodeId, data))
-  }
-
-  const deleteNode = (nodeId: string) => {
-    const next = deleteWorkflowNode(localDefinition, nodeId)
-    const nextNodes = next.nodes
-    setSelectedNodeId(nextNodes[0]?.id ?? "")
-    emitDefinition(next, true)
+  const removeNode = (nodeId: string) => {
+    const next = deleteWorkflowNode(definition, nodeId)
+    context.operation.fromJSON(next as WorkflowJSON)
+    const nextSelectedNodeId = next.nodes[0]?.id ?? ""
+    onSelectNode(nextSelectedNodeId)
+    onDefinitionChange(context.document.toJSON() as AIWorkflowDefinition)
   }
 
   return (
-    <div className="flex min-h-[640px] flex-1 overflow-hidden border bg-background">
+    <div className="relative isolate flex min-h-[640px] flex-1 overflow-hidden border bg-background">
       <WorkflowNodePalette nodeSpecs={nodeSpecs} onAddNode={addNode} />
 
       <div className="flex min-w-0 flex-1 flex-col">
         <WorkflowEditorToolbar
           validation={validation}
-          nodeCount={localDefinition.nodes.length}
-          edgeCount={localDefinition.edges.length}
+          nodeCount={definition.nodes.length}
+          edgeCount={definition.edges.length}
           toolbarExtra={toolbarExtra}
           onUndo={onUndo}
           undoDisabled={undoDisabled}
@@ -138,19 +226,17 @@ export function WorkflowEditor({
           publishDisabled={publishDisabled}
         />
         <div className="min-h-0 flex-1">
-          <FreeLayoutEditorProvider key={editorKey} {...editorProps}>
-            <EditorRenderer className="h-full w-full" />
-          </FreeLayoutEditorProvider>
+          <EditorRenderer className="h-full w-full" />
         </div>
       </div>
 
       <WorkflowConfigSidebar
-        definition={localDefinition}
+        definition={definition}
         nodeSpecs={nodeSpecs}
         selectedNodeId={selectedNodeId}
-        onSelectNode={setSelectedNodeId}
+        onSelectNode={selectNode}
         onChangeNodeData={updateNodeData}
-        onDeleteNode={deleteNode}
+        onDeleteNode={removeNode}
       />
     </div>
   )
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-node-palette.tsx b/web/app/dashboard/ai-workflows/_components/workflow-node-palette.tsx
index 4974b75..869b098 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-node-palette.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-node-palette.tsx
@@ -12,7 +12,7 @@ export function WorkflowNodePalette({
   onAddNode: (spec: AIWorkflowNodeSpec) => void
 }) {
   return (
-    <aside className="flex w-60 shrink-0 flex-col border-r bg-muted/20">
+    <aside className="relative z-50 flex w-60 shrink-0 flex-col border-r bg-muted/20">
       <div className="border-b px-3 py-2">
         <div className="text-sm font-medium">节点</div>
       </div>