diff --git a/api/constants/dsl_version.py b/api/constants/dsl_version.py
new file mode 100644
index 0000000000..b0fbe0075c
--- /dev/null
+++ b/api/constants/dsl_version.py
@@ -0,0 +1 @@
+CURRENT_APP_DSL_VERSION = "0.6.0"
diff --git a/api/services/app_dsl_service.py b/api/services/app_dsl_service.py
index 78806927bc..97aaea3395 100644
--- a/api/services/app_dsl_service.py
+++ b/api/services/app_dsl_service.py
@@ -17,6 +17,7 @@ from sqlalchemy import select
 from sqlalchemy.orm import Session
 
 from configs import dify_config
+from constants.dsl_version import CURRENT_APP_DSL_VERSION
 from core.helper import ssrf_proxy
 from core.plugin.entities.plugin import PluginDependency
 from core.trigger.constants import (
@@ -50,7 +51,7 @@ IMPORT_INFO_REDIS_KEY_PREFIX = "app_import_info:"
 CHECK_DEPENDENCIES_REDIS_KEY_PREFIX = "app_check_dependencies:"
 IMPORT_INFO_REDIS_EXPIRY = 10 * 60  # 10 minutes
 DSL_MAX_SIZE = 10 * 1024 * 1024  # 10MB
-CURRENT_DSL_VERSION = "0.6.0"
+CURRENT_DSL_VERSION = CURRENT_APP_DSL_VERSION
 
 
 class Import(BaseModel):
diff --git a/api/services/feature_service.py b/api/services/feature_service.py
index d0d3fbd66b..e18eb096c9 100644
--- a/api/services/feature_service.py
+++ b/api/services/feature_service.py
@@ -3,6 +3,7 @@ from enum import StrEnum
 from pydantic import BaseModel, ConfigDict, Field
 
 from configs import dify_config
+from constants.dsl_version import CURRENT_APP_DSL_VERSION
 from enums.cloud_plan import CloudPlan
 from enums.hosted_provider import HostedTrialProvider
 from services.billing_service import BillingService
@@ -157,6 +158,7 @@ class PluginManagerModel(BaseModel):
 
 
 class SystemFeatureModel(BaseModel):
+    app_dsl_version: str = ""
     sso_enforced_for_signin: bool = False
     sso_enforced_for_signin_protocol: str = ""
     enable_marketplace: bool = False
@@ -225,6 +227,7 @@ class FeatureService:
     @classmethod
     def get_system_features(cls, is_authenticated: bool = False) -> SystemFeatureModel:
         system_features = SystemFeatureModel()
+        system_features.app_dsl_version = CURRENT_APP_DSL_VERSION
 
         cls._fulfill_system_params_from_env(system_features)
 
diff --git a/eslint-suppressions.json b/eslint-suppressions.json
index 477391e2de..fbeb1d6dcf 100644
--- a/eslint-suppressions.json
+++ b/eslint-suppressions.json
@@ -6206,7 +6206,7 @@
   },
   "web/app/components/workflow/utils/index.ts": {
     "no-barrel-files/no-barrel-files": {
-      "count": 9
+      "count": 10
     }
   },
   "web/app/components/workflow/utils/node-navigation.ts": {
diff --git a/web/app/components/base/chat/embedded-chatbot/header/__tests__/index.spec.tsx b/web/app/components/base/chat/embedded-chatbot/header/__tests__/index.spec.tsx
index 51aa8a9b0c..50ba15ae61 100644
--- a/web/app/components/base/chat/embedded-chatbot/header/__tests__/index.spec.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/header/__tests__/index.spec.tsx
@@ -48,6 +48,7 @@ describe('EmbeddedChatbot Header', () => {
   }
 
   const defaultSystemFeatures: SystemFeatures = {
+    app_dsl_version: '',
     trial_models: [],
     plugin_installation_permission: {
       plugin_installation_scope: InstallationScope.ALL,
diff --git a/web/app/components/workflow/hooks/__tests__/use-nodes-interactions.spec.ts b/web/app/components/workflow/hooks/__tests__/use-nodes-interactions.spec.ts
index 4117c85abd..41d1fb39d9 100644
--- a/web/app/components/workflow/hooks/__tests__/use-nodes-interactions.spec.ts
+++ b/web/app/components/workflow/hooks/__tests__/use-nodes-interactions.spec.ts
@@ -11,6 +11,14 @@ const mockHandleSyncWorkflowDraft = vi.hoisted(() => vi.fn())
 const mockSaveStateToHistory = vi.hoisted(() => vi.fn())
 const mockUndo = vi.hoisted(() => vi.fn())
 const mockRedo = vi.hoisted(() => vi.fn())
+const mockHandleNodeIterationChildrenCopy = vi.hoisted(() => vi.fn(() => ({
+  copyChildren: [],
+  newIdMapping: {},
+})))
+const mockHandleNodeLoopChildrenCopy = vi.hoisted(() => vi.fn(() => ({
+  copyChildren: [],
+  newIdMapping: {},
+})))
 const runtimeNodesMetaDataMap = vi.hoisted(() => ({
   value: {} as Record<string, unknown>,
 }))
@@ -72,14 +80,14 @@ vi.mock('../use-inspect-vars-crud', () => ({
 vi.mock('../../nodes/iteration/use-interactions', () => ({
   useNodeIterationInteractions: () => ({
     handleNodeIterationChildDrag: () => ({ restrictPosition: {} }),
-    handleNodeIterationChildrenCopy: vi.fn(),
+    handleNodeIterationChildrenCopy: mockHandleNodeIterationChildrenCopy,
   }),
 }))
 
 vi.mock('../../nodes/loop/use-interactions', () => ({
   useNodeLoopInteractions: () => ({
     handleNodeLoopChildDrag: () => ({ restrictPosition: {} }),
-    handleNodeLoopChildrenCopy: vi.fn(),
+    handleNodeLoopChildrenCopy: mockHandleNodeLoopChildrenCopy,
   }),
 }))
 
@@ -673,4 +681,316 @@ describe('useNodesInteractions', () => {
 
     expect(rfState.setNodes).toHaveBeenCalled()
   })
+
+  // Paste title handling should preserve original names until the destination canvas conflicts.
+  describe('paste title handling', () => {
+    beforeEach(() => {
+      runtimeNodesMetaDataMap.value = {
+        [BlockEnum.Code]: {
+          defaultValue: {
+            type: BlockEnum.Code,
+            title: 'Code',
+            desc: '',
+          },
+          metaData: {
+            isSingleton: false,
+          },
+        },
+      }
+    })
+
+    it('preserves the original title when the destination canvas has no conflict', async () => {
+      currentNodes = [
+        createNode({
+          id: 'existing-node',
+          data: {
+            type: BlockEnum.Code,
+            title: 'Existing',
+            desc: '',
+          },
+        }),
+      ]
+      currentEdges = []
+      rfState.nodes = currentNodes as unknown as typeof rfState.nodes
+      rfState.edges = currentEdges as unknown as typeof rfState.edges
+
+      const { result, store } = renderWorkflowHook(() => useNodesInteractions(), {
+        historyStore: {
+          nodes: currentNodes,
+          edges: currentEdges,
+        },
+      })
+
+      store.setState({
+        clipboardElements: [
+          createNode({
+            id: 'clipboard-node',
+            data: {
+              type: BlockEnum.Code,
+              title: 'Clipboard',
+              desc: '',
+            },
+          }),
+        ] as never,
+        clipboardEdges: [] as never,
+        mousePosition: {
+          pageX: 60,
+          pageY: 80,
+        } as never,
+      })
+
+      await act(async () => {
+        await result.current.handleNodesPaste()
+      })
+
+      const pastedNodes = rfState.setNodes.mock.calls.at(-1)?.[0] as Node[]
+      const newNode = pastedNodes.find(node => node.id !== 'existing-node')
+
+      expect(newNode?.data.title).toBe('Clipboard')
+    })
+
+    it('renames pasted nodes only when the destination canvas already uses the title', async () => {
+      currentNodes = [
+        createNode({
+          id: 'existing-node',
+          data: {
+            type: BlockEnum.Code,
+            title: 'Clipboard',
+            desc: '',
+          },
+        }),
+        createNode({
+          id: 'existing-node-2',
+          data: {
+            type: BlockEnum.Code,
+            title: 'Clipboard (1)',
+            desc: '',
+          },
+        }),
+      ]
+      currentEdges = []
+      rfState.nodes = currentNodes as unknown as typeof rfState.nodes
+      rfState.edges = currentEdges as unknown as typeof rfState.edges
+
+      const { result, store } = renderWorkflowHook(() => useNodesInteractions(), {
+        historyStore: {
+          nodes: currentNodes,
+          edges: currentEdges,
+        },
+      })
+
+      store.setState({
+        clipboardElements: [
+          createNode({
+            id: 'clipboard-node',
+            data: {
+              type: BlockEnum.Code,
+              title: 'Clipboard',
+              desc: '',
+            },
+          }),
+        ] as never,
+        clipboardEdges: [] as never,
+        mousePosition: {
+          pageX: 60,
+          pageY: 80,
+        } as never,
+      })
+
+      await act(async () => {
+        await result.current.handleNodesPaste()
+      })
+
+      const pastedNodes = rfState.setNodes.mock.calls.at(-1)?.[0] as Node[]
+      const newNode = pastedNodes.find(node => !currentNodes.some(existingNode => existingNode.id === node.id))
+
+      expect(newNode?.data.title).toBe('Clipboard (2)')
+    })
+  })
+
+  // A copied container can still be selected on the source canvas during same-canvas paste.
+  describe('container paste target detection', () => {
+    beforeEach(() => {
+      runtimeNodesMetaDataMap.value = {
+        [BlockEnum.Iteration]: {
+          defaultValue: {
+            type: BlockEnum.Iteration,
+            title: 'Iteration',
+            desc: '',
+            _children: [],
+          },
+          metaData: {
+            isSingleton: false,
+          },
+        },
+        [BlockEnum.Loop]: {
+          defaultValue: {
+            type: BlockEnum.Loop,
+            title: 'Loop',
+            desc: '',
+            _children: [],
+          },
+          metaData: {
+            isSingleton: false,
+          },
+        },
+      }
+    })
+
+    it.each([
+      [BlockEnum.Iteration, 'iteration-source'],
+      [BlockEnum.Loop, 'loop-source'],
+    ])('pastes a copied %s as a top-level node when the source container remains selected', async (containerType, nodeId) => {
+      currentNodes = [
+        createNode({
+          id: nodeId,
+          position: { x: 20, y: 20 },
+          selected: true,
+          data: {
+            type: containerType,
+            title: containerType === BlockEnum.Iteration ? 'Iteration' : 'Loop',
+            desc: '',
+            _children: [],
+          },
+        }),
+      ]
+      currentEdges = []
+      rfState.nodes = currentNodes as unknown as typeof rfState.nodes
+      rfState.edges = currentEdges as unknown as typeof rfState.edges
+
+      const { result, store } = renderWorkflowHook(() => useNodesInteractions(), {
+        historyStore: {
+          nodes: currentNodes,
+          edges: currentEdges,
+        },
+      })
+
+      store.setState({
+        clipboardElements: [
+          createNode({
+            id: nodeId,
+            position: { x: 120, y: 120 },
+            data: {
+              type: containerType,
+              title: containerType === BlockEnum.Iteration ? 'Iteration' : 'Loop',
+              desc: '',
+              _children: [],
+            },
+          }),
+        ] as never,
+        clipboardEdges: [] as never,
+        mousePosition: {
+          pageX: 60,
+          pageY: 80,
+        } as never,
+      })
+
+      await act(async () => {
+        await result.current.handleNodesPaste()
+      })
+
+      const pastedNodes = rfState.setNodes.mock.calls.at(-1)?.[0] as Node[]
+      const newContainer = pastedNodes.find(node => node.id !== nodeId && node.data.type === containerType)
+
+      expect(newContainer).toBeDefined()
+      expect(newContainer?.parentId).toBeUndefined()
+      expect(newContainer?.data.isInIteration).toBeFalsy()
+      expect(newContainer?.data.isInLoop).toBeFalsy()
+    })
+  })
+
+  // Nested container paste restrictions should stay aligned with available block filtering.
+  describe('nested container paste restrictions', () => {
+    const disallowedNestedPasteNodeTypes = [
+      BlockEnum.End,
+      BlockEnum.Iteration,
+      BlockEnum.Loop,
+      BlockEnum.DataSource,
+      BlockEnum.KnowledgeBase,
+      BlockEnum.HumanInput,
+    ]
+
+    const createNodeMeta = (type: BlockEnum) => ({
+      defaultValue: {
+        type,
+        title: `${type} node`,
+        desc: '',
+      },
+      metaData: {
+        isSingleton: false,
+      },
+    })
+
+    const runDisallowedPasteScenario = async (containerType: BlockEnum.Iteration | BlockEnum.Loop, nodeType: BlockEnum) => {
+      runtimeNodesMetaDataMap.value = {
+        [nodeType]: createNodeMeta(nodeType),
+      }
+
+      const containerId = `${containerType}-container`
+      currentNodes = [
+        createNode({
+          id: containerId,
+          position: { x: 20, y: 20 },
+          selected: true,
+          data: {
+            type: containerType,
+            title: containerType === BlockEnum.Iteration ? 'Iteration' : 'Loop',
+            desc: '',
+            _children: [],
+          },
+        }),
+      ]
+      currentEdges = []
+      rfState.nodes = currentNodes as unknown as typeof rfState.nodes
+      rfState.edges = currentEdges as unknown as typeof rfState.edges
+
+      const { result, store } = renderWorkflowHook(() => useNodesInteractions(), {
+        historyStore: {
+          nodes: currentNodes,
+          edges: currentEdges,
+        },
+      })
+
+      store.setState({
+        clipboardElements: [
+          createNode({
+            id: `${nodeType}-clipboard-node`,
+            position: { x: 100, y: 100 },
+            data: {
+              type: nodeType,
+              title: `${nodeType} clipboard node`,
+              desc: '',
+            },
+          }),
+        ] as never,
+        clipboardEdges: [] as never,
+        mousePosition: {
+          pageX: 60,
+          pageY: 80,
+        } as never,
+      })
+
+      await act(async () => {
+        await result.current.handleNodesPaste()
+      })
+
+      const pastedNodes = rfState.setNodes.mock.calls.at(-1)?.[0] as Node[]
+
+      expect(pastedNodes).toHaveLength(1)
+      expect(pastedNodes[0]?.id).toBe(containerId)
+      expect(pastedNodes[0]?.data._children).toEqual([])
+      expect(pastedNodes.some(node => node.data.type === nodeType && node.parentId === containerId)).toBe(false)
+    }
+
+    it.each(disallowedNestedPasteNodeTypes)(
+      'should not paste %s into an iteration container',
+      async (nodeType) => {
+        await runDisallowedPasteScenario(BlockEnum.Iteration, nodeType)
+      },
+    )
+
+    it('should not paste human-input into a loop container', async () => {
+      await runDisallowedPasteScenario(BlockEnum.Loop, BlockEnum.HumanInput)
+    })
+  })
 })
diff --git a/web/app/components/workflow/hooks/__tests__/use-panel-interactions.spec.ts b/web/app/components/workflow/hooks/__tests__/use-panel-interactions.spec.ts
index 83c21fcb6a..e6efea2870 100644
--- a/web/app/components/workflow/hooks/__tests__/use-panel-interactions.spec.ts
+++ b/web/app/components/workflow/hooks/__tests__/use-panel-interactions.spec.ts
@@ -1,11 +1,22 @@
 import type * as React from 'react'
+import { waitFor } from '@testing-library/react'
+import { createEdge, createNode } from '../../__tests__/fixtures'
 import { renderWorkflowHook } from '../../__tests__/workflow-test-env'
 import { usePanelInteractions } from '../use-panel-interactions'
 
 describe('usePanelInteractions', () => {
   let container: HTMLDivElement
+  let readTextMock: ReturnType<typeof vi.fn>
 
   beforeEach(() => {
+    readTextMock = vi.fn().mockResolvedValue('')
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: true,
+      value: {
+        readText: readTextMock,
+      },
+    })
+
     container = document.createElement('div')
     container.id = 'workflow-container'
     container.getBoundingClientRect = vi.fn().mockReturnValue({
@@ -65,6 +76,34 @@ describe('usePanelInteractions', () => {
     }).toThrow()
   })
 
+  it('handlePaneContextMenu should sync clipboard from navigator clipboard', async () => {
+    const clipboardNode = createNode({ id: 'clipboard-node' })
+    const clipboardEdge = createEdge({
+      id: 'clipboard-edge',
+      source: clipboardNode.id,
+      target: 'target-node',
+    })
+    readTextMock.mockResolvedValue(JSON.stringify({
+      kind: 'dify-workflow-clipboard',
+      version: '0.6.0',
+      nodes: [clipboardNode],
+      edges: [clipboardEdge],
+    }))
+
+    const { result, store } = renderWorkflowHook(() => usePanelInteractions())
+
+    result.current.handlePaneContextMenu({
+      preventDefault: vi.fn(),
+      clientX: 350,
+      clientY: 250,
+    } as unknown as React.MouseEvent)
+
+    await waitFor(() => {
+      expect(store.getState().clipboardElements).toEqual([clipboardNode])
+      expect(store.getState().clipboardEdges).toEqual([clipboardEdge])
+    })
+  })
+
   it('handlePaneContextmenuCancel should clear panelMenu', () => {
     const { result, store } = renderWorkflowHook(() => usePanelInteractions(), {
       initialStoreState: { panelMenu: { top: 10, left: 20 } },
diff --git a/web/app/components/workflow/hooks/__tests__/use-shortcuts.spec.ts b/web/app/components/workflow/hooks/__tests__/use-shortcuts.spec.ts
index b3c63ff519..1769533221 100644
--- a/web/app/components/workflow/hooks/__tests__/use-shortcuts.spec.ts
+++ b/web/app/components/workflow/hooks/__tests__/use-shortcuts.spec.ts
@@ -11,10 +11,18 @@ type KeyPressRegistration = {
   }
 }
 
+type ReactFlowNodeMock = {
+  id: string
+  data: {
+    _isBundled?: boolean
+  }
+}
+
 const keyPressRegistrations = vi.hoisted<KeyPressRegistration[]>(() => [])
 const mockZoomTo = vi.hoisted(() => vi.fn())
 const mockGetZoom = vi.hoisted(() => vi.fn(() => 1))
 const mockFitView = vi.hoisted(() => vi.fn())
+const mockGetNodes = vi.hoisted(() => vi.fn<() => ReactFlowNodeMock[]>(() => []))
 const mockHandleNodesDelete = vi.hoisted(() => vi.fn())
 const mockHandleEdgeDelete = vi.hoisted(() => vi.fn())
 const mockHandleNodesCopy = vi.hoisted(() => vi.fn())
@@ -41,6 +49,7 @@ vi.mock('reactflow', () => ({
     zoomTo: mockZoomTo,
     getZoom: mockGetZoom,
     fitView: mockFitView,
+    getNodes: mockGetNodes,
   }),
 }))
 
@@ -84,6 +93,14 @@ const createKeyboardEvent = (target: HTMLElement = document.body) => ({
   target,
 }) as unknown as KeyboardEvent
 
+const createSelectionMock = (commonAncestorContainer: Node): Selection => ({
+  isCollapsed: false,
+  rangeCount: 1,
+  getRangeAt: () => ({
+    commonAncestorContainer,
+  } as unknown as Range),
+} as unknown as Selection)
+
 const findRegistration = (matcher: (registration: KeyPressRegistration) => boolean) => {
   const registration = keyPressRegistrations.find(matcher)
   expect(registration).toBeDefined()
@@ -94,6 +111,7 @@ describe('useShortcuts', () => {
   beforeEach(() => {
     keyPressRegistrations.length = 0
     vi.clearAllMocks()
+    mockGetNodes.mockReturnValue([])
   })
 
   it('deletes selected nodes and edges only outside editable inputs', () => {
@@ -141,6 +159,35 @@ describe('useShortcuts', () => {
     expect(mockHandleSyncWorkflowDraft).toHaveBeenCalledTimes(4)
   })
 
+  it('copies bundled nodes even when an incidental text selection exists outside the workflow canvas', () => {
+    const getSelectionSpy = vi.spyOn(document, 'getSelection')
+    const textContainer = document.createElement('div')
+    const selectedText = document.createElement('span')
+    selectedText.textContent = 'Selected browser text'
+    textContainer.appendChild(selectedText)
+
+    getSelectionSpy.mockReturnValue(createSelectionMock(selectedText))
+    mockGetNodes.mockReturnValue([
+      {
+        id: 'bundled-node',
+        data: {
+          _isBundled: true,
+        },
+      },
+    ])
+
+    renderWorkflowHook(() => useShortcuts())
+
+    const copyShortcut = findRegistration(registration => registration.keyFilter === 'ctrl.c' || registration.keyFilter === 'meta.c')
+    const event = createKeyboardEvent()
+    copyShortcut.handler(event)
+
+    expect(event.preventDefault).toHaveBeenCalled()
+    expect(mockHandleNodesCopy).toHaveBeenCalledTimes(1)
+
+    getSelectionSpy.mockRestore()
+  })
+
   it('dims on shift down, undims on shift up, and responds to zen toggle events', () => {
     const { unmount } = renderWorkflowHook(() => useShortcuts())
 
diff --git a/web/app/components/workflow/hooks/use-nodes-interactions.ts b/web/app/components/workflow/hooks/use-nodes-interactions.ts
index 27b13bb42c..a29c88e9cb 100644
--- a/web/app/components/workflow/hooks/use-nodes-interactions.ts
+++ b/web/app/components/workflow/hooks/use-nodes-interactions.ts
@@ -13,6 +13,7 @@ import type { LoopNodeType } from '../nodes/loop/types'
 import type { VariableAssignerNodeType } from '../nodes/variable-assigner/types'
 import type { Edge, Node, OnNodeAdd } from '../types'
 import type { RAGPipelineVariables } from '@/models/pipeline'
+import { toast } from '@langgenius/dify-ui/toast'
 import { produce } from 'immer'
 import { useCallback, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -21,6 +22,7 @@ import {
   getOutgoers,
   useReactFlow,
 } from 'reactflow'
+import { useGlobalPublicStore } from '@/context/global-public-context'
 import { collaborationManager } from '../collaboration/core/collaboration-manager'
 import {
   CUSTOM_EDGE,
@@ -48,6 +50,12 @@ import {
   getNodeCustomTypeByNodeDataType,
   getNodesConnectedSourceOrTargetHandleIdsMap,
   getTopLeftNodePosition,
+  isClipboardEdgeStructurallyValid,
+  isClipboardNodeStructurallyValid,
+  isClipboardValueCompatibleWithDefault,
+  readWorkflowClipboard,
+  sanitizeClipboardValueByDefault,
+  writeWorkflowClipboard,
 } from '../utils'
 import { useWorkflowHistoryStore } from '../workflow-history-store'
 import { useAutoGenerateWebhookUrl } from './use-auto-generate-webhook-url'
@@ -75,8 +83,62 @@ const ENTRY_NODE_WRAPPER_OFFSET = {
   y: 21, // Adjusted based on visual testing feedback
 } as const
 
+const pruneClipboardNodesWithFilteredAncestors = (
+  sourceNodes: Node[],
+  candidateNodes: Node[],
+): Node[] => {
+  const candidateNodeIds = new Set(candidateNodes.map(node => node.id))
+  const filteredRootIds = sourceNodes
+    .filter(node => !candidateNodeIds.has(node.id))
+    .map(node => node.id)
+
+  if (!filteredRootIds.length)
+    return candidateNodes
+
+  const childrenByParent = new Map<string, string[]>()
+  sourceNodes.forEach((node) => {
+    if (!node.parentId)
+      return
+
+    const children = childrenByParent.get(node.parentId) ?? []
+    children.push(node.id)
+    childrenByParent.set(node.parentId, children)
+  })
+
+  const filteredNodeIds = new Set(filteredRootIds)
+  const queue = [...filteredRootIds]
+
+  while (queue.length) {
+    const currentNodeId = queue.shift()!
+    const children = childrenByParent.get(currentNodeId) ?? []
+    children.forEach((childId) => {
+      if (filteredNodeIds.has(childId))
+        return
+
+      filteredNodeIds.add(childId)
+      queue.push(childId)
+    })
+  }
+
+  return candidateNodes.filter(node => !filteredNodeIds.has(node.id))
+}
+
+const getUniquePastedNodeTitle = (
+  sourceTitle: string,
+  reservedTitles: Set<string>,
+) => {
+  let titleCandidate = sourceTitle
+
+  while (reservedTitles.has(titleCandidate))
+    titleCandidate = genNewNodeTitleFromOld(titleCandidate)
+
+  reservedTitles.add(titleCandidate)
+  return titleCandidate
+}
+
 export const useNodesInteractions = () => {
   const { t } = useTranslation()
+  const appDslVersion = useGlobalPublicStore(s => s.systemFeatures.app_dsl_version)
   const collaborativeWorkflow = useCollaborativeWorkflow()
   const workflowStore = useWorkflowStore()
   const reactflow = useReactFlow()
@@ -445,13 +507,11 @@ export const useNodesInteractions = () => {
       }
 
       if (
-        edges.find(
-          edge =>
-            edge.source === source
-            && edge.sourceHandle === sourceHandle
-            && edge.target === target
-            && edge.targetHandle === targetHandle,
-        )
+        edges.some(edge =>
+          edge.source === source
+          && edge.sourceHandle === sourceHandle
+          && edge.target === target
+          && edge.targetHandle === targetHandle)
       ) {
         return
       }
@@ -769,9 +829,7 @@ export const useNodesInteractions = () => {
       const newEdges = produce(edges, (draft) => {
         return draft.filter(
           edge =>
-            !connectedEdges.find(
-              connectedEdge => connectedEdge.id === edge.id,
-            ),
+            !connectedEdges.some(connectedEdge => connectedEdge.id === edge.id),
         )
       })
       setEdges(newEdges)
@@ -849,7 +907,7 @@ export const useNodesInteractions = () => {
         const outgoers = getOutgoers(prevNode!, nodes, edges).sort(
           (a, b) => a.position.y - b.position.y,
         )
-        const lastOutgoer = outgoers[outgoers.length - 1]
+        const lastOutgoer = outgoers.at(-1)
 
         newNode.data._connectedTargetHandleIds
           = nodeType === BlockEnum.DataSource ? [] : [targetHandle]
@@ -1577,9 +1635,7 @@ export const useNodesInteractions = () => {
       setNodes(newNodes)
       const remainingEdges = edges.filter(
         edge =>
-          !connectedEdges.find(
-            connectedEdge => connectedEdge.id === edge.id,
-          ),
+          !connectedEdges.some(connectedEdge => connectedEdge.id === edge.id),
       )
       setEdges([...remainingEdges, ...reconnectedEdges])
       if (nodeType === BlockEnum.TriggerWebhook) {
@@ -1649,131 +1705,378 @@ export const useNodesInteractions = () => {
     [workflowStore, handleNodeSelect],
   )
 
+  const isNodeCopyable = useCallback((node: Node) => {
+    if (
+      node.type === CUSTOM_ITERATION_START_NODE
+      || node.type === CUSTOM_LOOP_START_NODE
+    ) {
+      return false
+    }
+
+    if (
+      node.data.type === BlockEnum.Start
+      || node.data.type === BlockEnum.LoopEnd
+      || node.data.type === BlockEnum.KnowledgeBase
+      || node.data.type === BlockEnum.DataSourceEmpty
+    ) {
+      return false
+    }
+
+    if (node.type === CUSTOM_NOTE_NODE)
+      return true
+
+    const nodeMeta = nodesMetaDataMap?.[node.data.type as BlockEnum]
+    if (!nodeMeta)
+      return false
+
+    const { metaData } = nodeMeta
+    return !metaData.isSingleton
+  }, [nodesMetaDataMap])
+
+  const getNodeDefaultValueForPaste = useCallback((node: Node) => {
+    if (node.type === CUSTOM_NOTE_NODE)
+      return {}
+
+    const nodeMeta = nodesMetaDataMap?.[node.data.type as BlockEnum]
+    return nodeMeta?.defaultValue
+  }, [nodesMetaDataMap])
+
   const handleNodesCopy = useCallback(
     (nodeId?: string) => {
       if (getNodesReadOnly())
         return
 
-      const { setClipboardElements } = workflowStore.getState()
-
-      const { nodes } = collaborativeWorkflow.getState()
+      const { setClipboardData } = workflowStore.getState()
+      const { nodes, edges } = collaborativeWorkflow.getState()
+      let nodesToCopy: Node[] = []
 
       if (nodeId) {
-        // If nodeId is provided, copy that specific node
-        const nodeToCopy = nodes.find(
-          node =>
-            node.id === nodeId
-            && node.data.type !== BlockEnum.Start
-            && node.type !== CUSTOM_ITERATION_START_NODE
-            && node.type !== CUSTOM_LOOP_START_NODE
-            && node.data.type !== BlockEnum.LoopEnd
-            && node.data.type !== BlockEnum.KnowledgeBase
-            && node.data.type !== BlockEnum.DataSourceEmpty,
-        )
+        const nodeToCopy = nodes.find(node => node.id === nodeId && isNodeCopyable(node))
         if (nodeToCopy)
-          setClipboardElements([nodeToCopy])
+          nodesToCopy = [nodeToCopy]
       }
       else {
-        // If no nodeId is provided, fall back to the current behavior
         const bundledNodes = nodes.filter((node) => {
           if (!node.data._isBundled)
             return false
+
+          if (!isNodeCopyable(node))
+            return false
+
           if (node.type === CUSTOM_NOTE_NODE)
             return true
-          const metaData = nodesMetaDataMap?.[node.data.type as BlockEnum]?.metaData
-          if (!metaData)
-            return false
-          if (metaData.isSingleton)
-            return false
           return !node.data.isInIteration && !node.data.isInLoop
         })
 
         if (bundledNodes.length) {
-          setClipboardElements(bundledNodes)
-          return
+          nodesToCopy = bundledNodes
         }
+        else {
+          const selectedNodes = nodes.filter(
+            node => node.data.selected && isNodeCopyable(node),
+          )
 
-        const selectedNode = nodes.find((node) => {
-          if (!node.data.selected)
-            return false
-          if (node.type === CUSTOM_NOTE_NODE)
-            return true
-          const metaData = nodesMetaDataMap?.[node.data.type as BlockEnum]?.metaData
-          if (!metaData)
-            return false
-          return !metaData.isSingleton
-        })
-
-        if (selectedNode)
-          setClipboardElements([selectedNode])
+          if (selectedNodes.length)
+            nodesToCopy = selectedNodes
+        }
       }
+
+      if (!nodesToCopy.length)
+        return
+
+      const copiedNodesMap = new Map(nodesToCopy.map(node => [node.id, node]))
+      const queue = nodesToCopy
+        .filter(node => node.data.type === BlockEnum.Iteration || node.data.type === BlockEnum.Loop)
+        .map(node => node.id)
+
+      while (queue.length) {
+        const parentId = queue.shift()!
+        nodes.forEach((node) => {
+          if (node.parentId !== parentId || copiedNodesMap.has(node.id))
+            return
+
+          copiedNodesMap.set(node.id, node)
+          if (node.data.type === BlockEnum.Iteration || node.data.type === BlockEnum.Loop)
+            queue.push(node.id)
+        })
+      }
+
+      const copiedNodes = [...copiedNodesMap.values()]
+      const copiedNodeIds = new Set(copiedNodes.map(node => node.id))
+      const copiedEdges = edges.filter(
+        edge => copiedNodeIds.has(edge.source) && copiedNodeIds.has(edge.target),
+      )
+
+      const clipboardData = {
+        nodes: copiedNodes,
+        edges: copiedEdges,
+      }
+
+      setClipboardData(clipboardData)
+      void writeWorkflowClipboard(clipboardData, appDslVersion).catch(() => {})
     },
-    [getNodesReadOnly, collaborativeWorkflow, workflowStore],
+    [getNodesReadOnly, workflowStore, collaborativeWorkflow, isNodeCopyable, appDslVersion],
   )
 
-  const handleNodesPaste = useCallback(() => {
+  const handleNodesPaste = useCallback(async () => {
     if (getNodesReadOnly())
       return
 
-    const { clipboardElements, mousePosition } = workflowStore.getState()
+    const {
+      clipboardElements: storeClipboardElements,
+      clipboardEdges: storeClipboardEdges,
+      mousePosition,
+      setClipboardData,
+    } = workflowStore.getState()
+    const clipboardData = await readWorkflowClipboard(appDslVersion)
+    const hasSystemClipboard = clipboardData.nodes.length > 0
+    const shouldRunCompatibilityCheck = hasSystemClipboard && clipboardData.isVersionMismatch
+
+    const clipboardElements = hasSystemClipboard
+      ? clipboardData.nodes
+      : storeClipboardElements
+    const clipboardEdges = hasSystemClipboard
+      ? clipboardData.edges
+      : storeClipboardEdges
+
+    if (hasSystemClipboard)
+      setClipboardData(clipboardData)
+
+    const validatedClipboardElements = clipboardElements.filter(isClipboardNodeStructurallyValid)
+    const validatedClipboardEdges = clipboardEdges.filter(isClipboardEdgeStructurallyValid)
+
+    if (!validatedClipboardElements.length)
+      return
 
     const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
+    const reservedNodeTitles = new Set(
+      nodes
+        .map(node => node.data.title)
+        .filter((title): title is string => typeof title === 'string'),
+    )
 
     const nodesToPaste: Node[] = []
     const edgesToPaste: Edge[] = []
 
-    if (clipboardElements.length) {
-      const { x, y } = getTopLeftNodePosition(clipboardElements)
-      const { screenToFlowPosition } = reactflow
-      const currentPosition = screenToFlowPosition({
-        x: mousePosition.pageX,
-        y: mousePosition.pageY,
-      })
-      const offsetX = currentPosition.x - x
-      const offsetY = currentPosition.y - y
-      let idMapping: Record<string, string> = {}
-      const pastedNodesMap: Record<string, Node> = {}
-      const parentChildrenToAppend: { parentId: string, childId: string, childType: BlockEnum }[] = []
-      clipboardElements.forEach((nodeToPaste, index) => {
-        const nodeType = nodeToPaste.data.type
-        const nodeDefaultValue = nodeToPaste.type !== CUSTOM_NOTE_NODE
-          ? nodesMetaDataMap?.[nodeType]?.defaultValue
-          : undefined
+    let compatibleClipboardElements = validatedClipboardElements.filter((node) => {
+      if (node.type === CUSTOM_NOTE_NODE)
+        return true
 
-        const { newNode, newIterationStartNode, newLoopStartNode }
-          = generateNewNode({
-            type: nodeToPaste.type,
-            data: {
-              ...(nodeDefaultValue || {}),
-              ...nodeToPaste.data,
-              selected: false,
-              _isBundled: false,
-              _connectedSourceHandleIds: [],
-              _connectedTargetHandleIds: [],
-              _dimmed: false,
-              title: genNewNodeTitleFromOld(nodeToPaste.data.title),
-            },
-            position: {
-              x: nodeToPaste.position.x + offsetX,
-              y: nodeToPaste.position.y + offsetY,
-            },
-            extent: nodeToPaste.extent,
-            zIndex: nodeToPaste.zIndex,
+      const nodeDefaultValue = getNodeDefaultValueForPaste(node)
+      if (!nodeDefaultValue)
+        return false
+
+      if (
+        shouldRunCompatibilityCheck
+        && !isClipboardValueCompatibleWithDefault(nodeDefaultValue, node.data)
+      ) {
+        return false
+      }
+
+      return true
+    })
+
+    if (shouldRunCompatibilityCheck) {
+      compatibleClipboardElements = pruneClipboardNodesWithFilteredAncestors(
+        validatedClipboardElements,
+        compatibleClipboardElements,
+      )
+    }
+
+    const compatibleClipboardNodeIds = new Set(
+      compatibleClipboardElements.map(node => node.id),
+    )
+    const filteredNodeCount = shouldRunCompatibilityCheck
+      ? validatedClipboardElements.length - compatibleClipboardElements.length
+      : 0
+    const filteredEdgeCount = shouldRunCompatibilityCheck
+      ? validatedClipboardEdges.filter(edge =>
+        !compatibleClipboardNodeIds.has(edge.source)
+        || !compatibleClipboardNodeIds.has(edge.target),
+      ).length
+      : 0
+
+    if (
+      shouldRunCompatibilityCheck
+      && (filteredNodeCount > 0 || filteredEdgeCount > 0)
+    ) {
+      toast.warning(t('common.clipboardVersionCompatibilityWarning', {
+        ns: 'workflow',
+      }))
+    }
+
+    if (!compatibleClipboardElements.length)
+      return
+
+    const rootClipboardNodes = compatibleClipboardElements.filter(
+      node => !node.parentId || !compatibleClipboardNodeIds.has(node.parentId),
+    )
+    const positionReferenceNodes = rootClipboardNodes.length
+      ? rootClipboardNodes
+      : compatibleClipboardElements
+    const { x, y } = getTopLeftNodePosition(positionReferenceNodes)
+    const { screenToFlowPosition } = reactflow
+    const currentPosition = screenToFlowPosition({
+      x: mousePosition.pageX,
+      y: mousePosition.pageY,
+    })
+    const offsetX = currentPosition.x - x
+    const offsetY = currentPosition.y - y
+    let idMapping: Record<string, string> = {}
+    const pastedNodesMap: Record<string, Node> = {}
+    const parentChildrenToAppend: { parentId: string, childId: string, childType: BlockEnum }[] = []
+    const selectedNodes = nodes.filter(node => node.selected)
+    // Keep this list aligned with availableBlocksFilter(inContainer)
+    // in use-available-blocks.ts.
+    const commonNestedDisallowPasteNodes = [
+      BlockEnum.End,
+      BlockEnum.Iteration,
+      BlockEnum.Loop,
+      BlockEnum.DataSource,
+      BlockEnum.KnowledgeBase,
+      BlockEnum.HumanInput,
+    ]
+    // Same-canvas copy keeps the source container selected, so only treat a
+    // selected container as the paste target when it is not part of the clipboard.
+    const selectedContainerNode = selectedNodes.length === 1
+      && (selectedNodes[0]?.data.type === BlockEnum.Iteration || selectedNodes[0]?.data.type === BlockEnum.Loop)
+      && !compatibleClipboardNodeIds.has(selectedNodes[0].id)
+      ? selectedNodes[0]
+      : undefined
+
+    rootClipboardNodes.forEach((nodeToPaste, index) => {
+      const nodeDefaultValue = getNodeDefaultValueForPaste(nodeToPaste)
+      if (nodeToPaste.type !== CUSTOM_NOTE_NODE && !nodeDefaultValue)
+        return
+
+      if (selectedContainerNode && commonNestedDisallowPasteNodes.includes(nodeToPaste.data.type))
+        return
+
+      const mergedData = shouldRunCompatibilityCheck
+        ? sanitizeClipboardValueByDefault(nodeDefaultValue ?? {}, nodeToPaste.data) as Record<string, unknown>
+        : {
+            ...(nodeToPaste.type !== CUSTOM_NOTE_NODE ? nodeDefaultValue : {}),
+            ...nodeToPaste.data,
+          }
+      const sourceTitle = typeof mergedData.title === 'string'
+        ? mergedData.title
+        : typeof nodeToPaste.data.title === 'string'
+          ? nodeToPaste.data.title
+          : 'Node'
+      const sourceDesc = typeof mergedData.desc === 'string'
+        ? mergedData.desc
+        : typeof nodeToPaste.data.desc === 'string'
+          ? nodeToPaste.data.desc
+          : ''
+
+      const { newNode, newIterationStartNode, newLoopStartNode }
+        = generateNewNode({
+          type: nodeToPaste.type,
+          data: {
+            ...mergedData,
+            type: nodeToPaste.data.type,
+            desc: sourceDesc,
+            selected: false,
+            _isBundled: false,
+            _connectedSourceHandleIds: [],
+            _connectedTargetHandleIds: [],
+            _dimmed: false,
+            isInIteration: false,
+            iteration_id: undefined,
+            isInLoop: false,
+            loop_id: undefined,
+            title: getUniquePastedNodeTitle(sourceTitle, reservedNodeTitles),
+          },
+          position: {
+            x: nodeToPaste.position.x + offsetX,
+            y: nodeToPaste.position.y + offsetY,
+          },
+          extent: nodeToPaste.extent,
+          zIndex: nodeToPaste.zIndex,
+        })
+      newNode.id = newNode.id + index
+
+      let newChildren: Node[] = []
+      if (nodeToPaste.data.type === BlockEnum.Iteration) {
+        if (newIterationStartNode) {
+          newIterationStartNode.parentId = newNode.id
+          const iterationNodeData = newNode.data as IterationNodeType
+          iterationNodeData.start_node_id = newIterationStartNode.id
+        }
+
+        const oldIterationStartNodeInClipboard = compatibleClipboardElements.find(
+          n =>
+            n.parentId === nodeToPaste.id
+            && n.type === CUSTOM_ITERATION_START_NODE,
+        )
+        if (oldIterationStartNodeInClipboard && newIterationStartNode)
+          idMapping[oldIterationStartNodeInClipboard.id] = newIterationStartNode.id
+
+        const copiedIterationChildren = compatibleClipboardElements.filter(
+          n =>
+            n.parentId === nodeToPaste.id
+            && n.type !== CUSTOM_ITERATION_START_NODE,
+        )
+        if (copiedIterationChildren.length) {
+          copiedIterationChildren.forEach((child, childIndex) => {
+            const childType = child.data.type
+            const childDefaultValue = getNodeDefaultValueForPaste(child)
+            if (child.type !== CUSTOM_NOTE_NODE && !childDefaultValue)
+              return
+
+            const mergedChildData = shouldRunCompatibilityCheck
+              ? sanitizeClipboardValueByDefault(childDefaultValue ?? {}, child.data) as Record<string, unknown>
+              : {
+                  ...(child.type !== CUSTOM_NOTE_NODE ? childDefaultValue : {}),
+                  ...child.data,
+                }
+            const childSourceTitle = typeof mergedChildData.title === 'string'
+              ? mergedChildData.title
+              : typeof child.data.title === 'string'
+                ? child.data.title
+                : 'Node'
+            const childSourceDesc = typeof mergedChildData.desc === 'string'
+              ? mergedChildData.desc
+              : typeof child.data.desc === 'string'
+                ? child.data.desc
+                : ''
+
+            const { newNode: newChild } = generateNewNode({
+              type: child.type,
+              data: {
+                ...mergedChildData,
+                desc: childSourceDesc,
+                selected: false,
+                _isBundled: false,
+                _connectedSourceHandleIds: [],
+                _connectedTargetHandleIds: [],
+                _dimmed: false,
+                title: getUniquePastedNodeTitle(childSourceTitle, reservedNodeTitles),
+                isInIteration: true,
+                iteration_id: newNode.id,
+                isInLoop: false,
+                loop_id: undefined,
+                type: childType,
+              },
+              position: child.position,
+              positionAbsolute: child.positionAbsolute,
+              parentId: newNode.id,
+              extent: child.extent,
+              zIndex: ITERATION_CHILDREN_Z_INDEX,
+            })
+            newChild.id = `${newNode.id}${newChild.id + childIndex}`
+            idMapping[child.id] = newChild.id
+            newChildren.push(newChild)
           })
-        newNode.id = newNode.id + index
-        // This new node is movable and can be placed anywhere
-        let newChildren: Node[] = []
-        if (nodeToPaste.data.type === BlockEnum.Iteration) {
-          newIterationStartNode!.parentId = newNode.id;
-          (newNode.data as IterationNodeType).start_node_id
-            = newIterationStartNode!.id
-
+        }
+        else {
           const oldIterationStartNode = nodes.find(
             n =>
               n.parentId === nodeToPaste.id
               && n.type === CUSTOM_ITERATION_START_NODE,
           )
-          idMapping[oldIterationStartNode!.id] = newIterationStartNode!.id
+          if (oldIterationStartNode && newIterationStartNode)
+            idMapping[oldIterationStartNode.id] = newIterationStartNode.id
 
           const { copyChildren, newIdMapping }
             = handleNodeIterationChildrenCopy(
@@ -1783,24 +2086,97 @@ export const useNodesInteractions = () => {
             )
           newChildren = copyChildren
           idMapping = newIdMapping
-          newChildren.forEach((child) => {
-            newNode.data._children?.push({
-              nodeId: child.id,
-              nodeType: child.data.type,
-            })
-          })
-          newChildren.push(newIterationStartNode!)
         }
-        else if (nodeToPaste.data.type === BlockEnum.Loop) {
-          newLoopStartNode!.parentId = newNode.id;
-          (newNode.data as LoopNodeType).start_node_id = newLoopStartNode!.id
 
+        newChildren.forEach((child) => {
+          newNode.data._children?.push({
+            nodeId: child.id,
+            nodeType: child.data.type,
+          })
+        })
+        if (newIterationStartNode)
+          newChildren.push(newIterationStartNode)
+      }
+      else if (nodeToPaste.data.type === BlockEnum.Loop) {
+        if (newLoopStartNode) {
+          newLoopStartNode.parentId = newNode.id
+          const loopNodeData = newNode.data as LoopNodeType
+          loopNodeData.start_node_id = newLoopStartNode.id
+        }
+
+        const oldLoopStartNodeInClipboard = compatibleClipboardElements.find(
+          n =>
+            n.parentId === nodeToPaste.id
+            && n.type === CUSTOM_LOOP_START_NODE,
+        )
+        if (oldLoopStartNodeInClipboard && newLoopStartNode)
+          idMapping[oldLoopStartNodeInClipboard.id] = newLoopStartNode.id
+
+        const copiedLoopChildren = compatibleClipboardElements.filter(
+          n =>
+            n.parentId === nodeToPaste.id
+            && n.type !== CUSTOM_LOOP_START_NODE,
+        )
+        if (copiedLoopChildren.length) {
+          copiedLoopChildren.forEach((child, childIndex) => {
+            const childType = child.data.type
+            const childDefaultValue = getNodeDefaultValueForPaste(child)
+            if (child.type !== CUSTOM_NOTE_NODE && !childDefaultValue)
+              return
+
+            const mergedChildData = shouldRunCompatibilityCheck
+              ? sanitizeClipboardValueByDefault(childDefaultValue ?? {}, child.data) as Record<string, unknown>
+              : {
+                  ...(child.type !== CUSTOM_NOTE_NODE ? childDefaultValue : {}),
+                  ...child.data,
+                }
+            const childSourceTitle = typeof mergedChildData.title === 'string'
+              ? mergedChildData.title
+              : typeof child.data.title === 'string'
+                ? child.data.title
+                : 'Node'
+            const childSourceDesc = typeof mergedChildData.desc === 'string'
+              ? mergedChildData.desc
+              : typeof child.data.desc === 'string'
+                ? child.data.desc
+                : ''
+
+            const { newNode: newChild } = generateNewNode({
+              type: child.type,
+              data: {
+                ...mergedChildData,
+                desc: childSourceDesc,
+                selected: false,
+                _isBundled: false,
+                _connectedSourceHandleIds: [],
+                _connectedTargetHandleIds: [],
+                _dimmed: false,
+                title: getUniquePastedNodeTitle(childSourceTitle, reservedNodeTitles),
+                isInIteration: false,
+                iteration_id: undefined,
+                isInLoop: true,
+                loop_id: newNode.id,
+                type: childType,
+              },
+              position: child.position,
+              positionAbsolute: child.positionAbsolute,
+              parentId: newNode.id,
+              extent: child.extent,
+              zIndex: LOOP_CHILDREN_Z_INDEX,
+            })
+            newChild.id = `${newNode.id}${newChild.id + childIndex}`
+            idMapping[child.id] = newChild.id
+            newChildren.push(newChild)
+          })
+        }
+        else {
           const oldLoopStartNode = nodes.find(
             n =>
               n.parentId === nodeToPaste.id
               && n.type === CUSTOM_LOOP_START_NODE,
           )
-          idMapping[oldLoopStartNode!.id] = newLoopStartNode!.id
+          if (oldLoopStartNode && newLoopStartNode)
+            idMapping[oldLoopStartNode.id] = newLoopStartNode.id
 
           const { copyChildren, newIdMapping }
             = handleNodeLoopChildrenCopy(
@@ -1810,148 +2186,124 @@ export const useNodesInteractions = () => {
             )
           newChildren = copyChildren
           idMapping = newIdMapping
-          newChildren.forEach((child) => {
-            newNode.data._children?.push({
-              nodeId: child.id,
-              nodeType: child.data.type,
-            })
+        }
+
+        newChildren.forEach((child) => {
+          newNode.data._children?.push({
+            nodeId: child.id,
+            nodeType: child.data.type,
           })
-          newChildren.push(newLoopStartNode!)
-        }
-        else {
-          // Paste a single regular node. Loop/Iteration nodes are handled above.
-          const selectedNode = nodes.find(node => node.selected)
-          let pastedToNestedBlock = false
-
-          if (selectedNode) {
-            // Keep this list aligned with availableBlocksFilter(inContainer)
-            // in use-available-blocks.ts.
-            const commonNestedDisallowPasteNodes = [
-              BlockEnum.End,
-              BlockEnum.Iteration,
-              BlockEnum.Loop,
-              BlockEnum.DataSource,
-              BlockEnum.KnowledgeBase,
-              BlockEnum.HumanInput,
-            ]
-
-            if (commonNestedDisallowPasteNodes.includes(nodeToPaste.data.type))
-              return
-
-            // If a Loop/Iteration container is selected, paste into it as a child.
-            if (selectedNode.data.type === BlockEnum.Iteration || selectedNode.data.type === BlockEnum.Loop) {
-              const isIteration = selectedNode.data.type === BlockEnum.Iteration
-
-              newNode.data.isInIteration = isIteration
-              newNode.data.iteration_id = isIteration ? selectedNode.id : undefined
-              newNode.data.isInLoop = !isIteration
-              newNode.data.loop_id = !isIteration ? selectedNode.id : undefined
-
-              newNode.parentId = selectedNode.id
-              newNode.zIndex = isIteration ? ITERATION_CHILDREN_Z_INDEX : LOOP_CHILDREN_Z_INDEX
-              newNode.positionAbsolute = {
-                x: newNode.position.x,
-                y: newNode.position.y,
-              }
-              // Rebase position into the selected container coordinate system.
-              newNode.position = getNestedNodePosition(newNode, selectedNode)
-
-              // Mirror native add behavior by appending parent._children.
-              parentChildrenToAppend.push({ parentId: selectedNode.id, childId: newNode.id, childType: newNode.data.type })
-
-              pastedToNestedBlock = true
-            }
-          }
-
-          // Clear loop/iteration metadata when pasting outside nested blocks (fixes #29835)
-          // This ensures nodes copied from inside Loop/Iteration are properly independent
-          // when pasted outside
-          if (!pastedToNestedBlock) {
-            newNode.data.isInLoop = false
-            newNode.data.loop_id = undefined
-            newNode.data.isInIteration = false
-            newNode.data.iteration_id = undefined
-            newNode.parentId = undefined
-          }
-        }
-
-        idMapping[nodeToPaste.id] = newNode.id
-        nodesToPaste.push(newNode)
-        pastedNodesMap[newNode.id] = newNode
-
-        if (newChildren.length) {
-          newChildren.forEach((child) => {
-            pastedNodesMap[child.id] = child
-          })
-          nodesToPaste.push(...newChildren)
-        }
-      })
-
-      // Rebuild edges where both endpoints are part of the pasted set.
-      edges.forEach((edge) => {
-        const sourceId = idMapping[edge.source]
-        const targetId = idMapping[edge.target]
-
-        if (sourceId && targetId) {
-          const sourceNode = pastedNodesMap[sourceId]
-          const targetNode = pastedNodesMap[targetId]
-          const parentNode = sourceNode?.parentId && sourceNode.parentId === targetNode?.parentId
-            ? pastedNodesMap[sourceNode.parentId] ?? nodes.find(n => n.id === sourceNode.parentId)
-            : null
-          const isInIteration = parentNode?.data.type === BlockEnum.Iteration
-          const isInLoop = parentNode?.data.type === BlockEnum.Loop
-          const newEdge: Edge = {
-            ...edge,
-            id: `${sourceId}-${edge.sourceHandle}-${targetId}-${edge.targetHandle}`,
-            source: sourceId,
-            target: targetId,
-            data: {
-              ...edge.data,
-              isInIteration,
-              iteration_id: isInIteration ? parentNode?.id : undefined,
-              isInLoop,
-              loop_id: isInLoop ? parentNode?.id : undefined,
-              _connectedNodeIsSelected: false,
-            },
-            zIndex: parentNode
-              ? isInIteration
-                ? ITERATION_CHILDREN_Z_INDEX
-                : isInLoop
-                  ? LOOP_CHILDREN_Z_INDEX
-                  : 0
-              : 0,
-          }
-          edgesToPaste.push(newEdge)
-        }
-      })
-
-      const newNodes = produce(nodes, (draft: Node[]) => {
-        parentChildrenToAppend.forEach(({ parentId, childId, childType }) => {
-          const p = draft.find(n => n.id === parentId)
-          if (p) {
-            p.data._children?.push({ nodeId: childId, nodeType: childType })
-          }
         })
-        draft.push(...nodesToPaste)
-      })
+        if (newLoopStartNode)
+          newChildren.push(newLoopStartNode)
+      }
+      else if (selectedContainerNode) {
+        if (selectedContainerNode.data.type === BlockEnum.Iteration || selectedContainerNode.data.type === BlockEnum.Loop) {
+          const isIteration = selectedContainerNode.data.type === BlockEnum.Iteration
 
-      setNodes(newNodes)
-      setEdges([...edges, ...edgesToPaste])
-      saveStateToHistory(WorkflowHistoryEvent.NodePaste, {
-        nodeId: nodesToPaste?.[0]?.id,
+          newNode.data.isInIteration = isIteration
+          newNode.data.iteration_id = isIteration ? selectedContainerNode.id : undefined
+          newNode.data.isInLoop = !isIteration
+          newNode.data.loop_id = !isIteration ? selectedContainerNode.id : undefined
+
+          newNode.parentId = selectedContainerNode.id
+          newNode.zIndex = isIteration ? ITERATION_CHILDREN_Z_INDEX : LOOP_CHILDREN_Z_INDEX
+          newNode.positionAbsolute = {
+            x: newNode.position.x,
+            y: newNode.position.y,
+          }
+          newNode.position = getNestedNodePosition(newNode, selectedContainerNode)
+          parentChildrenToAppend.push({
+            parentId: selectedContainerNode.id,
+            childId: newNode.id,
+            childType: newNode.data.type,
+          })
+        }
+      }
+
+      idMapping[nodeToPaste.id] = newNode.id
+      nodesToPaste.push(newNode)
+      pastedNodesMap[newNode.id] = newNode
+
+      if (newChildren.length) {
+        newChildren.forEach((child) => {
+          pastedNodesMap[child.id] = child
+        })
+        nodesToPaste.push(...newChildren)
+      }
+    })
+
+    const sourceEdges = validatedClipboardEdges
+
+    sourceEdges.forEach((edge) => {
+      const sourceId = idMapping[edge.source]
+      const targetId = idMapping[edge.target]
+
+      if (sourceId && targetId) {
+        const sourceNode = pastedNodesMap[sourceId]
+        const targetNode = pastedNodesMap[targetId]
+        if (!sourceNode || !targetNode)
+          return
+
+        const parentNode = sourceNode.parentId && sourceNode.parentId === targetNode.parentId
+          ? pastedNodesMap[sourceNode.parentId] ?? nodes.find(n => n.id === sourceNode.parentId)
+          : null
+        const isInIteration = parentNode?.data.type === BlockEnum.Iteration
+        const isInLoop = parentNode?.data.type === BlockEnum.Loop
+        const newEdge: Edge = {
+          ...edge,
+          id: `${sourceId}-${edge.sourceHandle}-${targetId}-${edge.targetHandle}`,
+          source: sourceId,
+          target: targetId,
+          data: {
+            ...(edge.data || {}),
+            sourceType: sourceNode.data.type,
+            targetType: targetNode.data.type,
+            isInIteration,
+            iteration_id: isInIteration ? parentNode?.id : undefined,
+            isInLoop,
+            loop_id: isInLoop ? parentNode?.id : undefined,
+            _connectedNodeIsSelected: false,
+          },
+          zIndex: parentNode
+            ? isInIteration
+              ? ITERATION_CHILDREN_Z_INDEX
+              : isInLoop
+                ? LOOP_CHILDREN_Z_INDEX
+                : 0
+            : 0,
+        }
+        edgesToPaste.push(newEdge)
+      }
+    })
+
+    const newNodes = produce(nodes, (draft: Node[]) => {
+      parentChildrenToAppend.forEach(({ parentId, childId, childType }) => {
+        const p = draft.find(n => n.id === parentId)
+        if (p)
+          p.data._children?.push({ nodeId: childId, nodeType: childType })
       })
-      handleSyncWorkflowDraft()
-    }
+      draft.push(...nodesToPaste)
+    })
+
+    setNodes(newNodes)
+    setEdges([...edges, ...edgesToPaste])
+    saveStateToHistory(WorkflowHistoryEvent.NodePaste, {
+      nodeId: nodesToPaste?.[0]?.id,
+    })
+    handleSyncWorkflowDraft()
   }, [
     getNodesReadOnly,
     workflowStore,
     collaborativeWorkflow,
     reactflow,
+    t,
     saveStateToHistory,
     handleSyncWorkflowDraft,
     handleNodeIterationChildrenCopy,
     handleNodeLoopChildrenCopy,
-    nodesMetaDataMap,
+    getNodeDefaultValueForPaste,
+    appDslVersion,
   ])
 
   const handleNodesDuplicate = useCallback(
@@ -2091,9 +2443,7 @@ export const useNodesInteractions = () => {
       const newEdges = produce(edges, (draft) => {
         return draft.filter(
           edge =>
-            !connectedEdges.find(
-              connectedEdge => connectedEdge.id === edge.id,
-            ),
+            !connectedEdges.some(connectedEdge => connectedEdge.id === edge.id),
         )
       })
       setEdges(newEdges)
diff --git a/web/app/components/workflow/hooks/use-panel-interactions.ts b/web/app/components/workflow/hooks/use-panel-interactions.ts
index 469a7abdee..37120068d4 100644
--- a/web/app/components/workflow/hooks/use-panel-interactions.ts
+++ b/web/app/components/workflow/hooks/use-panel-interactions.ts
@@ -1,12 +1,23 @@
 import type { MouseEvent } from 'react'
 import { useCallback } from 'react'
+import { useGlobalPublicStore } from '@/context/global-public-context'
 import { useWorkflowStore } from '../store'
+import { readWorkflowClipboard } from '../utils'
 
 export const usePanelInteractions = () => {
   const workflowStore = useWorkflowStore()
+  const appDslVersion = useGlobalPublicStore(s => s.systemFeatures.app_dsl_version)
 
   const handlePaneContextMenu = useCallback((e: MouseEvent) => {
     e.preventDefault()
+    // Sync the latest system clipboard into the workflow store before opening
+    // the pane menu because "Paste here" is disabled when no compatible node
+    // copy exists, including cross-app copies written outside this tab.
+    void readWorkflowClipboard(appDslVersion).then(({ nodes, edges }) => {
+      if (nodes.length)
+        workflowStore.getState().setClipboardData({ nodes, edges })
+    })
+
     const container = document.querySelector('#workflow-container')
     const { x, y } = container!.getBoundingClientRect()
     workflowStore.setState({
@@ -18,7 +29,7 @@ export const usePanelInteractions = () => {
         left: e.clientX - x,
       },
     })
-  }, [workflowStore])
+  }, [workflowStore, appDslVersion])
 
   const handlePaneContextmenuCancel = useCallback(() => {
     workflowStore.setState({
diff --git a/web/app/components/workflow/hooks/use-shortcuts.ts b/web/app/components/workflow/hooks/use-shortcuts.ts
index 8ba7fa4602..e4100908ff 100644
--- a/web/app/components/workflow/hooks/use-shortcuts.ts
+++ b/web/app/components/workflow/hooks/use-shortcuts.ts
@@ -46,6 +46,7 @@ export const useShortcuts = (): void => {
     zoomTo,
     getZoom,
     fitView,
+    getNodes,
   } = useReactFlow()
 
   // Zoom out to a minimum of 0.25 for shortcut
@@ -67,9 +68,14 @@ export const useShortcuts = (): void => {
   }, [])
 
   const shouldHandleCopy = useCallback(() => {
+    // Box selection can leave incidental DOM text selection behind while the
+    // workflow selection itself lives on node.data._isBundled.
+    if (getNodes().some(node => node.data._isBundled))
+      return true
+
     const selection = document.getSelection()
-    return !selection || selection.isCollapsed
-  }, [])
+    return !selection || selection.isCollapsed || !selection.rangeCount
+  }, [getNodes])
 
   useKeyPress(['delete', 'backspace'], (e) => {
     if (shouldHandleShortcut(e)) {
diff --git a/web/app/components/workflow/store/__tests__/workflow-store.spec.ts b/web/app/components/workflow/store/__tests__/workflow-store.spec.ts
index 6edc3dc316..6cebc4e23c 100644
--- a/web/app/components/workflow/store/__tests__/workflow-store.spec.ts
+++ b/web/app/components/workflow/store/__tests__/workflow-store.spec.ts
@@ -1,6 +1,7 @@
 import type { Shape, SliceFromInjection } from '../workflow'
 import { renderHook } from '@testing-library/react'
 import { BlockEnum } from '@/app/components/workflow/types'
+import { createEdge, createNode } from '../../__tests__/fixtures'
 import { createTestWorkflowStore, renderWorkflowHook } from '../../__tests__/workflow-test-env'
 import { createWorkflowStore, useStore, useWorkflowStore } from '../workflow'
 
@@ -51,6 +52,7 @@ describe('createWorkflowStore', () => {
       ['listeningTriggerNodeIds', 'setListeningTriggerNodeIds', ['n1', 'n2']],
       ['listeningTriggerIsAll', 'setListeningTriggerIsAll', true],
       ['clipboardElements', 'setClipboardElements', []],
+      ['clipboardEdges', 'setClipboardEdges', []],
       ['selection', 'setSelection', { x1: 0, y1: 0, x2: 100, y2: 100 }],
       ['bundleNodeSize', 'setBundleNodeSize', { width: 200, height: 100 }],
       ['mousePosition', 'setMousePosition', { pageX: 10, pageY: 20, elementX: 5, elementY: 15 }],
@@ -68,6 +70,17 @@ describe('createWorkflowStore', () => {
       expect(store.getState().controlMode).toBe('pointer')
       expect(localStorage.setItem).toHaveBeenCalledWith('workflow-operation-mode', 'pointer')
     })
+
+    it('should update clipboard nodes and edges with setClipboardData', () => {
+      const store = createStore()
+      const nodes = [createNode({ id: 'n-1' })]
+      const edges = [createEdge({ id: 'e-1', source: 'n-1', target: 'n-2' })]
+
+      store.getState().setClipboardData({ nodes, edges })
+
+      expect(store.getState().clipboardElements).toEqual(nodes)
+      expect(store.getState().clipboardEdges).toEqual(edges)
+    })
   })
 
   describe('Node Slice Setters', () => {
diff --git a/web/app/components/workflow/store/workflow/workflow-slice.ts b/web/app/components/workflow/store/workflow/workflow-slice.ts
index c3b41f06a2..58e3debc63 100644
--- a/web/app/components/workflow/store/workflow/workflow-slice.ts
+++ b/web/app/components/workflow/store/workflow/workflow-slice.ts
@@ -1,5 +1,6 @@
 import type { StateCreator } from 'zustand'
 import type {
+  Edge,
   Node,
   TriggerNodeType,
   WorkflowRunningData,
@@ -34,7 +35,10 @@ export type WorkflowSliceShape = {
   listeningTriggerIsAll: boolean
   setListeningTriggerIsAll: (isAll: boolean) => void
   clipboardElements: Node[]
+  clipboardEdges: Edge[]
   setClipboardElements: (clipboardElements: Node[]) => void
+  setClipboardEdges: (clipboardEdges: Edge[]) => void
+  setClipboardData: (clipboardData: { nodes: Node[], edges: Edge[] }) => void
   selection: null | { x1: number, y1: number, x2: number, y2: number }
   setSelection: (selection: WorkflowSliceShape['selection']) => void
   bundleNodeSize: { width: number, height: number } | null
@@ -75,7 +79,15 @@ export const createWorkflowSlice: StateCreator<WorkflowSliceShape> = set => ({
   listeningTriggerIsAll: false,
   setListeningTriggerIsAll: isAll => set(() => ({ listeningTriggerIsAll: isAll })),
   clipboardElements: [],
+  clipboardEdges: [],
   setClipboardElements: clipboardElements => set(() => ({ clipboardElements })),
+  setClipboardEdges: clipboardEdges => set(() => ({ clipboardEdges })),
+  setClipboardData: ({ nodes, edges }) => {
+    set(() => ({
+      clipboardElements: nodes,
+      clipboardEdges: edges,
+    }))
+  },
   selection: null,
   setSelection: selection => set(() => ({ selection })),
   bundleNodeSize: null,
diff --git a/web/app/components/workflow/utils/__tests__/clipboard.spec.ts b/web/app/components/workflow/utils/__tests__/clipboard.spec.ts
new file mode 100644
index 0000000000..ccb3f426d4
--- /dev/null
+++ b/web/app/components/workflow/utils/__tests__/clipboard.spec.ts
@@ -0,0 +1,101 @@
+import { createEdge, createNode } from '../../__tests__/fixtures'
+import {
+  parseWorkflowClipboardText,
+  readWorkflowClipboard,
+  stringifyWorkflowClipboardData,
+  writeWorkflowClipboard,
+} from '../clipboard'
+
+describe('workflow clipboard storage', () => {
+  const currentVersion = '0.6.0'
+  const readTextMock = vi.fn<() => Promise<string>>()
+  const writeTextMock = vi.fn<(text: string) => Promise<void>>()
+
+  beforeEach(() => {
+    readTextMock.mockReset()
+    writeTextMock.mockReset()
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: true,
+      value: {
+        readText: readTextMock,
+        writeText: writeTextMock,
+      },
+    })
+  })
+
+  it('should return empty clipboard data when clipboard text is empty', async () => {
+    readTextMock.mockResolvedValue('')
+
+    await expect(readWorkflowClipboard(currentVersion)).resolves.toEqual({
+      nodes: [],
+      edges: [],
+      isVersionMismatch: false,
+    })
+  })
+
+  it('should write and read clipboard data', async () => {
+    const nodes = [createNode({ id: 'node-1' })]
+    const edges = [createEdge({ id: 'edge-1', source: 'node-1', target: 'node-2' })]
+
+    const serialized = stringifyWorkflowClipboardData({ nodes, edges }, currentVersion)
+    readTextMock.mockResolvedValue(serialized)
+
+    await writeWorkflowClipboard({ nodes, edges }, currentVersion)
+    expect(writeTextMock).toHaveBeenCalledWith(serialized)
+    await expect(readWorkflowClipboard(currentVersion)).resolves.toEqual({
+      nodes,
+      edges,
+      sourceVersion: currentVersion,
+      isVersionMismatch: false,
+    })
+  })
+
+  it('should allow reading clipboard data with different version', async () => {
+    const nodes = [createNode({ id: 'node-1' })]
+    const edges = [createEdge({ id: 'edge-1', source: 'node-1', target: 'node-2' })]
+    readTextMock.mockResolvedValue(JSON.stringify({
+      kind: 'dify-workflow-clipboard',
+      version: '0.5.0',
+      nodes,
+      edges,
+    }))
+
+    await expect(readWorkflowClipboard(currentVersion)).resolves.toEqual({
+      nodes,
+      edges,
+      sourceVersion: '0.5.0',
+      isVersionMismatch: true,
+    })
+  })
+
+  it('should return empty clipboard data for invalid JSON', () => {
+    expect(parseWorkflowClipboardText('{invalid-json', currentVersion)).toEqual({
+      nodes: [],
+      edges: [],
+      isVersionMismatch: false,
+    })
+  })
+
+  it('should return empty clipboard data for invalid structure', () => {
+    expect(parseWorkflowClipboardText(JSON.stringify({
+      kind: 'unknown',
+      version: 1,
+      nodes: [],
+      edges: [],
+    }), currentVersion)).toEqual({
+      nodes: [],
+      edges: [],
+      isVersionMismatch: false,
+    })
+  })
+
+  it('should return empty clipboard data when clipboard read fails', async () => {
+    readTextMock.mockRejectedValue(new Error('clipboard denied'))
+
+    await expect(readWorkflowClipboard(currentVersion)).resolves.toEqual({
+      nodes: [],
+      edges: [],
+      isVersionMismatch: false,
+    })
+  })
+})
diff --git a/web/app/components/workflow/utils/clipboard.ts b/web/app/components/workflow/utils/clipboard.ts
new file mode 100644
index 0000000000..246d3351f3
--- /dev/null
+++ b/web/app/components/workflow/utils/clipboard.ts
@@ -0,0 +1,205 @@
+import type { Edge, Node } from '../types'
+
+const WORKFLOW_CLIPBOARD_KIND = 'dify-workflow-clipboard'
+
+type WorkflowClipboardPayload = {
+  kind: string
+  version: string
+  nodes: Node[]
+  edges: Edge[]
+}
+
+type WorkflowClipboardData = {
+  nodes: Node[]
+  edges: Edge[]
+}
+
+type WorkflowClipboardReadResult = WorkflowClipboardData & {
+  sourceVersion?: string
+  isVersionMismatch: boolean
+}
+
+const emptyClipboardData: WorkflowClipboardData = {
+  nodes: [],
+  edges: [],
+}
+
+const emptyClipboardReadResult: WorkflowClipboardReadResult = {
+  ...emptyClipboardData,
+  isVersionMismatch: false,
+}
+
+const isNodeArray = (value: unknown): value is Node[] => Array.isArray(value)
+const isEdgeArray = (value: unknown): value is Edge[] => Array.isArray(value)
+const isPlainObject = (value: unknown): value is Record<string, unknown> =>
+  value !== null && typeof value === 'object' && !Array.isArray(value)
+
+export const sanitizeClipboardValueByDefault = (defaultValue: unknown, incomingValue: unknown): unknown => {
+  if (defaultValue === undefined)
+    return incomingValue
+
+  if (Array.isArray(defaultValue))
+    return Array.isArray(incomingValue) ? incomingValue : [...defaultValue]
+
+  if (isPlainObject(defaultValue)) {
+    if (!isPlainObject(incomingValue)) {
+      return Object.fromEntries(
+        Object.entries(defaultValue).map(([key, value]) => [
+          key,
+          sanitizeClipboardValueByDefault(value, undefined),
+        ]),
+      )
+    }
+
+    const merged: Record<string, unknown> = {}
+    const keys = new Set([
+      ...Object.keys(defaultValue),
+      ...Object.keys(incomingValue),
+    ])
+
+    keys.forEach((key) => {
+      const hasDefault = Object.hasOwn(defaultValue, key)
+      const hasIncoming = Object.hasOwn(incomingValue, key)
+      if (hasDefault && hasIncoming) {
+        merged[key] = sanitizeClipboardValueByDefault(
+          defaultValue[key],
+          incomingValue[key],
+        )
+        return
+      }
+
+      if (hasIncoming) {
+        merged[key] = incomingValue[key]
+        return
+      }
+
+      merged[key] = sanitizeClipboardValueByDefault(defaultValue[key], undefined)
+    })
+
+    return merged
+  }
+
+  if (typeof defaultValue === 'number')
+    return typeof incomingValue === 'number' && Number.isFinite(incomingValue) ? incomingValue : defaultValue
+
+  return typeof incomingValue === typeof defaultValue ? incomingValue : defaultValue
+}
+
+export const isClipboardValueCompatibleWithDefault = (defaultValue: unknown, incomingValue: unknown): boolean => {
+  if (incomingValue === undefined)
+    return true
+
+  if (defaultValue === undefined)
+    return true
+
+  if (Array.isArray(defaultValue))
+    return Array.isArray(incomingValue)
+
+  if (isPlainObject(defaultValue)) {
+    if (!isPlainObject(incomingValue))
+      return false
+
+    return Object.entries(defaultValue).every(([key, value]) => {
+      return isClipboardValueCompatibleWithDefault(
+        value,
+        incomingValue[key],
+      )
+    })
+  }
+
+  if (typeof defaultValue === 'number')
+    return typeof incomingValue === 'number' && Number.isFinite(incomingValue)
+
+  return typeof incomingValue === typeof defaultValue
+}
+
+export const isClipboardNodeStructurallyValid = (value: unknown): value is Node => {
+  if (!isPlainObject(value))
+    return false
+
+  if (typeof value.id !== 'string' || typeof value.type !== 'string')
+    return false
+
+  if (!isPlainObject(value.data) || !isPlainObject(value.position))
+    return false
+
+  return Number.isFinite(value.position.x) && Number.isFinite(value.position.y)
+}
+
+export const isClipboardEdgeStructurallyValid = (value: unknown): value is Edge => {
+  if (!isPlainObject(value))
+    return false
+
+  return typeof value.id === 'string'
+    && typeof value.source === 'string'
+    && typeof value.target === 'string'
+}
+
+export const parseWorkflowClipboardText = (
+  text: string,
+  currentClipboardVersion: string,
+): WorkflowClipboardReadResult => {
+  if (!text)
+    return emptyClipboardReadResult
+
+  try {
+    const parsed = JSON.parse(text) as Partial<WorkflowClipboardPayload>
+    if (
+      parsed.kind !== WORKFLOW_CLIPBOARD_KIND
+      || typeof parsed.version !== 'string'
+      || !isNodeArray(parsed.nodes)
+      || !isEdgeArray(parsed.edges)
+    ) {
+      return emptyClipboardReadResult
+    }
+
+    const sourceVersion = parsed.version
+
+    const validatedNodes = parsed.nodes.filter(isClipboardNodeStructurallyValid)
+    const validatedEdges = parsed.edges.filter(isClipboardEdgeStructurallyValid)
+
+    return {
+      nodes: validatedNodes,
+      edges: validatedEdges,
+      sourceVersion,
+      isVersionMismatch: sourceVersion !== currentClipboardVersion,
+    }
+  }
+  catch {
+    return emptyClipboardReadResult
+  }
+}
+
+export const stringifyWorkflowClipboardData = (
+  payload: WorkflowClipboardData,
+  currentClipboardVersion: string,
+): string => {
+  const data: WorkflowClipboardPayload = {
+    kind: WORKFLOW_CLIPBOARD_KIND,
+    version: currentClipboardVersion,
+    nodes: payload.nodes,
+    edges: payload.edges,
+  }
+
+  return JSON.stringify(data)
+}
+
+export const writeWorkflowClipboard = async (
+  payload: WorkflowClipboardData,
+  currentClipboardVersion: string,
+): Promise<void> => {
+  const text = stringifyWorkflowClipboardData(payload, currentClipboardVersion)
+  await navigator.clipboard.writeText(text)
+}
+
+export const readWorkflowClipboard = async (
+  currentClipboardVersion: string,
+): Promise<WorkflowClipboardReadResult> => {
+  try {
+    const text = await navigator.clipboard.readText()
+    return parseWorkflowClipboardText(text, currentClipboardVersion)
+  }
+  catch {
+    return emptyClipboardReadResult
+  }
+}
diff --git a/web/app/components/workflow/utils/index.ts b/web/app/components/workflow/utils/index.ts
index 641deec695..5098549528 100644
--- a/web/app/components/workflow/utils/index.ts
+++ b/web/app/components/workflow/utils/index.ts
@@ -1,3 +1,4 @@
+export * from './clipboard'
 export * from './common'
 export * from './data-source'
 export * from './edge'
diff --git a/web/i18n/ar-TN/workflow.json b/web/i18n/ar-TN/workflow.json
index 6b9d2b2f8c..1e17bdd5ac 100644
--- a/web/i18n/ar-TN/workflow.json
+++ b/web/i18n/ar-TN/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "فرع",
   "common.chooseDSL": "اختر ملف DSL",
   "common.chooseStartNodeToRun": "اختر عقدة البداية للتشغيل",
+  "common.clipboardVersionCompatibilityWarning": "تم نسخ هذا المحتوى من إصدار مختلف من تطبيق Dify. قد تكون بعض الأجزاء غير متوافقة.",
   "common.commentMode": "وضع التعليقات",
   "common.configure": "تكوين",
   "common.configureRequired": "التكوين مطلوب",
diff --git a/web/i18n/de-DE/workflow.json b/web/i18n/de-DE/workflow.json
index 20a142431c..f354824321 100644
--- a/web/i18n/de-DE/workflow.json
+++ b/web/i18n/de-DE/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "ZWEIG",
   "common.chooseDSL": "Wählen Sie eine DSL(yml)-Datei",
   "common.chooseStartNodeToRun": "Wählen Sie den Startknoten zum Ausführen",
+  "common.clipboardVersionCompatibilityWarning": "Dieser Inhalt wurde aus einer anderen Dify-App-Version kopiert. Einige Teile sind möglicherweise nicht kompatibel.",
   "common.commentMode": "Kommentar-Modus",
   "common.configure": "Konfigurieren",
   "common.configureRequired": "Konfiguration erforderlich",
diff --git a/web/i18n/en-US/workflow.json b/web/i18n/en-US/workflow.json
index aaadce8814..15b165d108 100644
--- a/web/i18n/en-US/workflow.json
+++ b/web/i18n/en-US/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "BRANCH",
   "common.chooseDSL": "Choose DSL file",
   "common.chooseStartNodeToRun": "Choose the start node to run",
+  "common.clipboardVersionCompatibilityWarning": "This content was copied from a different Dify app version. Some parts may be incompatible.",
   "common.commentMode": "Comment Mode",
   "common.configure": "Configure",
   "common.configureRequired": "Configure Required",
diff --git a/web/i18n/es-ES/workflow.json b/web/i18n/es-ES/workflow.json
index 2b7ca99452..e77ca46200 100644
--- a/web/i18n/es-ES/workflow.json
+++ b/web/i18n/es-ES/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "RAMA",
   "common.chooseDSL": "Elegir archivo DSL (yml)",
   "common.chooseStartNodeToRun": "Elige el nodo de inicio para ejecutar",
+  "common.clipboardVersionCompatibilityWarning": "Este contenido se copió desde una versión diferente de la aplicación Dify. Es posible que algunas partes no sean compatibles.",
   "common.commentMode": "Modo de comentarios",
   "common.configure": "Configurar",
   "common.configureRequired": "Configuración requerida",
diff --git a/web/i18n/fa-IR/workflow.json b/web/i18n/fa-IR/workflow.json
index 7914b861ed..36c2a37f4b 100644
--- a/web/i18n/fa-IR/workflow.json
+++ b/web/i18n/fa-IR/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "شاخه",
   "common.chooseDSL": "انتخاب فایل DSL (yml)",
   "common.chooseStartNodeToRun": "گره شروع را برای اجرا انتخاب کنید",
+  "common.clipboardVersionCompatibilityWarning": "این محتوا از نسخه دیگری از برنامه Dify کپی شده است. ممکن است برخی بخش‌ها ناسازگار باشند.",
   "common.commentMode": "حالت نظرات",
   "common.configure": "پیکربندی",
   "common.configureRequired": "پیکربندی الزامی است",
diff --git a/web/i18n/fr-FR/workflow.json b/web/i18n/fr-FR/workflow.json
index d4fbd8f27a..e84ceb2343 100644
--- a/web/i18n/fr-FR/workflow.json
+++ b/web/i18n/fr-FR/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "BRANCHE",
   "common.chooseDSL": "Choisir le fichier DSL(yml)",
   "common.chooseStartNodeToRun": "Choisissez le nœud de départ pour lancer",
+  "common.clipboardVersionCompatibilityWarning": "Ce contenu a été copié depuis une version différente de l'application Dify. Certaines parties peuvent être incompatibles.",
   "common.commentMode": "Mode commentaires",
   "common.configure": "Configurer",
   "common.configureRequired": "Configuration requise",
diff --git a/web/i18n/hi-IN/workflow.json b/web/i18n/hi-IN/workflow.json
index 5c3b6eb1f9..026034c812 100644
--- a/web/i18n/hi-IN/workflow.json
+++ b/web/i18n/hi-IN/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "शाखा",
   "common.chooseDSL": "डीएसएल (वाईएमएल) फ़ाइल चुनें",
   "common.chooseStartNodeToRun": "चलाने के लिए प्रारंभ नोड चुनें",
+  "common.clipboardVersionCompatibilityWarning": "यह सामग्री Dify ऐप के किसी अलग संस्करण से कॉपी की गई है। इसके कुछ हिस्से असंगत हो सकते हैं।",
   "common.commentMode": "टिप्पणी मोड",
   "common.configure": "कॉन्फ़िगर करें",
   "common.configureRequired": "कॉन्फ़िगरेशन आवश्यक",
diff --git a/web/i18n/id-ID/workflow.json b/web/i18n/id-ID/workflow.json
index 376227eedf..c604539e0a 100644
--- a/web/i18n/id-ID/workflow.json
+++ b/web/i18n/id-ID/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "CABANG",
   "common.chooseDSL": "Pilih file DSL",
   "common.chooseStartNodeToRun": "Pilih node awal untuk dijalankan",
+  "common.clipboardVersionCompatibilityWarning": "Konten ini disalin dari versi aplikasi Dify yang berbeda. Beberapa bagian mungkin tidak kompatibel.",
   "common.commentMode": "Mode komentar",
   "common.configure": "Konfigurasikan",
   "common.configureRequired": "Konfigurasi yang Diperlukan",
diff --git a/web/i18n/it-IT/workflow.json b/web/i18n/it-IT/workflow.json
index 7bd102f745..f34cb96155 100644
--- a/web/i18n/it-IT/workflow.json
+++ b/web/i18n/it-IT/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "RAMO",
   "common.chooseDSL": "Scegli file DSL(yml)",
   "common.chooseStartNodeToRun": "Scegli il nodo di partenza da eseguire",
+  "common.clipboardVersionCompatibilityWarning": "Questo contenuto è stato copiato da una versione diversa dell'app Dify. Alcune parti potrebbero non essere compatibili.",
   "common.commentMode": "Modalità commenti",
   "common.configure": "Configura",
   "common.configureRequired": "Configurazione Richiesta",
diff --git a/web/i18n/ja-JP/workflow.json b/web/i18n/ja-JP/workflow.json
index 9564abc43d..ce94735a4a 100644
--- a/web/i18n/ja-JP/workflow.json
+++ b/web/i18n/ja-JP/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "ブランチ",
   "common.chooseDSL": "DSL(yml) ファイルを選択",
   "common.chooseStartNodeToRun": "実行する開始ノードを選択",
+  "common.clipboardVersionCompatibilityWarning": "このコンテンツは別の Dify アプリバージョンからコピーされました。一部が互換性のない可能性があります。",
   "common.commentMode": "コメントモード",
   "common.configure": "設定",
   "common.configureRequired": "設定が必要",
diff --git a/web/i18n/ko-KR/workflow.json b/web/i18n/ko-KR/workflow.json
index 7dfeda4573..92911fad82 100644
--- a/web/i18n/ko-KR/workflow.json
+++ b/web/i18n/ko-KR/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "브랜치",
   "common.chooseDSL": "DSL(yml) 파일 선택",
   "common.chooseStartNodeToRun": "실행할 시작 노드를 선택하세요",
+  "common.clipboardVersionCompatibilityWarning": "이 콘텐츠는 다른 Dify 앱 버전에서 복사되었습니다. 일부 항목은 호환되지 않을 수 있습니다.",
   "common.commentMode": "댓글 모드",
   "common.configure": "구성",
   "common.configureRequired": "구성 필요",
diff --git a/web/i18n/nl-NL/workflow.json b/web/i18n/nl-NL/workflow.json
index 852415b419..b21e057c92 100644
--- a/web/i18n/nl-NL/workflow.json
+++ b/web/i18n/nl-NL/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "BRANCH",
   "common.chooseDSL": "Choose DSL file",
   "common.chooseStartNodeToRun": "Choose the start node to run",
+  "common.clipboardVersionCompatibilityWarning": "Deze inhoud is gekopieerd vanuit een andere Dify-appversie. Sommige onderdelen zijn mogelijk niet compatibel.",
   "common.commentMode": "Opmerkingsmodus",
   "common.configure": "Configure",
   "common.configureRequired": "Configure Required",
diff --git a/web/i18n/pl-PL/workflow.json b/web/i18n/pl-PL/workflow.json
index 996681f50b..914127be33 100644
--- a/web/i18n/pl-PL/workflow.json
+++ b/web/i18n/pl-PL/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "GAŁĄŹ",
   "common.chooseDSL": "Wybierz plik DSL(yml)",
   "common.chooseStartNodeToRun": "Wybierz węzeł początkowy, aby uruchomić",
+  "common.clipboardVersionCompatibilityWarning": "Ta zawartość została skopiowana z innej wersji aplikacji Dify. Niektóre elementy mogą być niekompatybilne.",
   "common.commentMode": "Tryb komentarzy",
   "common.configure": "Skonfiguruj",
   "common.configureRequired": "Wymagana konfiguracja",
diff --git a/web/i18n/pt-BR/workflow.json b/web/i18n/pt-BR/workflow.json
index 74af4a8e62..58fbe2be2e 100644
--- a/web/i18n/pt-BR/workflow.json
+++ b/web/i18n/pt-BR/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "RAMIFICAÇÃO",
   "common.chooseDSL": "Escolha o arquivo DSL(yml)",
   "common.chooseStartNodeToRun": "Escolha o nó inicial para executar",
+  "common.clipboardVersionCompatibilityWarning": "Este conteúdo foi copiado de uma versão diferente do aplicativo Dify. Algumas partes podem ser incompatíveis.",
   "common.commentMode": "Modo de comentários",
   "common.configure": "Configurar",
   "common.configureRequired": "Configuração necessária",
diff --git a/web/i18n/ro-RO/workflow.json b/web/i18n/ro-RO/workflow.json
index 6c02f5fc3c..7ef8244fd3 100644
--- a/web/i18n/ro-RO/workflow.json
+++ b/web/i18n/ro-RO/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "RAMURĂ",
   "common.chooseDSL": "Alegeți fișierul DSL(yml)",
   "common.chooseStartNodeToRun": "Alegeți nodul de start pentru a rula",
+  "common.clipboardVersionCompatibilityWarning": "Acest conținut a fost copiat dintr-o altă versiune a aplicației Dify. Unele părți pot fi incompatibile.",
   "common.commentMode": "Mod comentarii",
   "common.configure": "Configurează",
   "common.configureRequired": "Configurare necesară",
diff --git a/web/i18n/ru-RU/workflow.json b/web/i18n/ru-RU/workflow.json
index 87153206a9..4474db83b0 100644
--- a/web/i18n/ru-RU/workflow.json
+++ b/web/i18n/ru-RU/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "ВЕТКА",
   "common.chooseDSL": "Выберите файл DSL(yml)",
   "common.chooseStartNodeToRun": "Выберите начальный узел для запуска",
+  "common.clipboardVersionCompatibilityWarning": "Этот контент был скопирован из другой версии приложения Dify. Некоторые части могут быть несовместимы.",
   "common.commentMode": "Режим комментариев",
   "common.configure": "Настроить",
   "common.configureRequired": "Требуется настройка",
diff --git a/web/i18n/sl-SI/workflow.json b/web/i18n/sl-SI/workflow.json
index 987d439f9a..2ce35d8093 100644
--- a/web/i18n/sl-SI/workflow.json
+++ b/web/i18n/sl-SI/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "VEJA",
   "common.chooseDSL": "Izberi DSL datoteko",
   "common.chooseStartNodeToRun": "Izberite začetno vozlišče za zagon",
+  "common.clipboardVersionCompatibilityWarning": "Ta vsebina je bila kopirana iz druge različice aplikacije Dify. Nekateri deli morda niso združljivi.",
   "common.commentMode": "Način komentarjev",
   "common.configure": "Konfiguriraj",
   "common.configureRequired": "Konfigurirajte zahteve",
diff --git a/web/i18n/th-TH/workflow.json b/web/i18n/th-TH/workflow.json
index 424f510d4a..e4e1f8b0a8 100644
--- a/web/i18n/th-TH/workflow.json
+++ b/web/i18n/th-TH/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "กิ่ง",
   "common.chooseDSL": "เลือกไฟล์ DSL",
   "common.chooseStartNodeToRun": "เลือกโหนดเริ่มต้นเพื่อรัน",
+  "common.clipboardVersionCompatibilityWarning": "เนื้อหานี้ถูกคัดลอกจากแอป Dify คนละเวอร์ชัน บางส่วนอาจไม่เข้ากัน",
   "common.commentMode": "โหมดความคิดเห็น",
   "common.configure": "กําหนดค่า",
   "common.configureRequired": "กําหนดค่าที่จําเป็น",
diff --git a/web/i18n/tr-TR/workflow.json b/web/i18n/tr-TR/workflow.json
index ce43144e5c..3e4b379d9b 100644
--- a/web/i18n/tr-TR/workflow.json
+++ b/web/i18n/tr-TR/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "DAL",
   "common.chooseDSL": "DSL(yml) dosyasını seçin",
   "common.chooseStartNodeToRun": "Çalıştırmak için başlangıç düğümünü seçin",
+  "common.clipboardVersionCompatibilityWarning": "Bu içerik farklı bir Dify uygulama sürümünden kopyalandı. Bazı bölümler uyumsuz olabilir.",
   "common.commentMode": "Yorum modu",
   "common.configure": "Yapılandır",
   "common.configureRequired": "Yapılandırma Gerekli",
diff --git a/web/i18n/uk-UA/workflow.json b/web/i18n/uk-UA/workflow.json
index 76cd3eddee..92c20acf73 100644
--- a/web/i18n/uk-UA/workflow.json
+++ b/web/i18n/uk-UA/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "ГІЛКА",
   "common.chooseDSL": "Виберіть файл DSL(yml)",
   "common.chooseStartNodeToRun": "Виберіть початковий вузол для запуску",
+  "common.clipboardVersionCompatibilityWarning": "Цей вміст скопійовано з іншої версії застосунку Dify. Деякі частини можуть бути несумісними.",
   "common.commentMode": "Режим коментарів",
   "common.configure": "Налаштувати",
   "common.configureRequired": "Потрібна конфігурація",
diff --git a/web/i18n/vi-VN/workflow.json b/web/i18n/vi-VN/workflow.json
index 7750f0efb6..74dbbbd6dd 100644
--- a/web/i18n/vi-VN/workflow.json
+++ b/web/i18n/vi-VN/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "NHÁNH",
   "common.chooseDSL": "Chọn tệp DSL(yml)",
   "common.chooseStartNodeToRun": "Chọn nút bắt đầu để chạy",
+  "common.clipboardVersionCompatibilityWarning": "Nội dung này được sao chép từ một phiên bản ứng dụng Dify khác. Một số phần có thể không tương thích.",
   "common.commentMode": "Chế độ bình luận",
   "common.configure": "Cấu hình",
   "common.configureRequired": "Yêu cầu cấu hình",
diff --git a/web/i18n/zh-Hans/workflow.json b/web/i18n/zh-Hans/workflow.json
index 2b6f4bcbe7..fc2aa1c880 100644
--- a/web/i18n/zh-Hans/workflow.json
+++ b/web/i18n/zh-Hans/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "分支",
   "common.chooseDSL": "选择 DSL(yml) 文件",
   "common.chooseStartNodeToRun": "选择启动节点进行运行",
+  "common.clipboardVersionCompatibilityWarning": "此内容复制自不同版本的 Dify 应用，部分内容可能不兼容。",
   "common.commentMode": "评论模式",
   "common.configure": "配置",
   "common.configureRequired": "需要进行配置",
diff --git a/web/i18n/zh-Hant/workflow.json b/web/i18n/zh-Hant/workflow.json
index 6b8ad06650..ef81f091f0 100644
--- a/web/i18n/zh-Hant/workflow.json
+++ b/web/i18n/zh-Hant/workflow.json
@@ -151,6 +151,7 @@
   "common.branch": "分支",
   "common.chooseDSL": "選擇 DSL（yml）檔",
   "common.chooseStartNodeToRun": "選擇要執行的起始節點",
+  "common.clipboardVersionCompatibilityWarning": "此內容複製自不同版本的 Dify 應用，部分內容可能不相容。",
   "common.commentMode": "評論模式",
   "common.configure": "配置",
   "common.configureRequired": "需要進行配置",
diff --git a/web/types/feature.ts b/web/types/feature.ts
index 5abfb1e1a0..635221f2be 100644
--- a/web/types/feature.ts
+++ b/web/types/feature.ts
@@ -28,6 +28,7 @@ type License = {
 }
 
 export type SystemFeatures = {
+  app_dsl_version: string
   trial_models: ModelProviderQuotaGetPaid[]
   plugin_installation_permission: {
     plugin_installation_scope: InstallationScope
@@ -68,6 +69,7 @@ export type SystemFeatures = {
 }
 
 export const defaultSystemFeatures: SystemFeatures = {
+  app_dsl_version: '',
   trial_models: [],
   plugin_installation_permission: {
     plugin_installation_scope: InstallationScope.ALL,