From 39154b90376fc26b40d72cb758d63aefc64e7141 Mon Sep 17 00:00:00 2001
From: Alex Grozav <alex@grozav.com>
Date: Tue, 28 Apr 2026 16:53:59 +0300
Subject: [PATCH] refactor(editor): Move node issues to workflow document store
 (no-changelog) (#29390)

---
 .../WorkflowHeaderDraftPublishActions.test.ts |   1 -
 .../WorkflowHeaderDraftPublishActions.vue     |  26 ++--
 .../MainHeader/WorkflowPublishModal.test.ts   |   3 -
 .../MainHeader/WorkflowPublishModal.vue       |  12 +-
 .../app/composables/useRunWorkflow.test.ts    |  24 ++--
 .../app/stores/workflowDocument.store.test.ts | 122 ++++++++++++++++
 .../src/app/stores/workflowDocument.store.ts  |  11 ++
 .../useWorkflowDocumentNodesIssues.ts         |  83 +++++++++++
 .../src/app/stores/workflows.store.test.ts    | 135 +-----------------
 .../src/app/stores/workflows.store.ts         |  77 +---------
 .../ai/assistant/builder.store.test.ts        |  57 ++++----
 .../components/Agent/ExecuteMessage.test.ts   |  33 ++---
 .../components/Agent/ExecuteMessage.vue       |   8 +-
 .../components/Agent/NodeIssueItem.test.ts    |   8 +-
 .../components/Agent/NodeIssueItem.vue        |   6 +-
 .../composables/useBuilderTodos.test.ts       |  17 ++-
 .../assistant/composables/useBuilderTodos.ts  |   6 +-
 17 files changed, 323 insertions(+), 306 deletions(-)
 create mode 100644 packages/frontend/editor-ui/src/app/stores/workflowDocument/useWorkflowDocumentNodesIssues.ts

diff --git a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.test.ts b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.test.ts
index d8c78c4c79c..8b31f114571 100644
--- a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.test.ts
+++ b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.test.ts
@@ -132,7 +132,6 @@ describe('WorkflowHeaderDraftPublishActions', () => {
 
 	const setupEnabledPublishButton = (overrides = {}) => {
 		workflowsStore.workflowTriggerNodes = [triggerNode];
-		workflowsStore.nodesIssuesExist = false;
 		Object.assign(workflowsStore, overrides);
 	};
 
diff --git a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.vue b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.vue
index 2861f7b9cd6..3754559d011 100644
--- a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.vue
+++ b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowHeaderDraftPublishActions.vue
@@ -93,6 +93,12 @@ const containsTrigger = computed((): boolean => {
 	return foundTriggers.value.length > 0;
 });
 
+const nodesWithValidationIssues = computed(
+	() => workflowDocumentStore.value.nodesWithValidationIssues,
+);
+
+const hasNodeIssues = computed(() => workflowDocumentStore.value.hasNodeValidationIssues);
+
 type WorkflowPublishState =
 	| 'not-published-not-eligible' // No trigger nodes or has errors
 	| 'not-published-eligible' // Can be published for first time
@@ -109,7 +115,7 @@ const workflowPublishState = computed((): WorkflowPublishState => {
 
 	// Not published states
 	if (!hasBeenPublished) {
-		const canPublish = containsTrigger.value && !workflowsStore.nodesIssuesExist;
+		const canPublish = containsTrigger.value && !hasNodeIssues.value;
 		return canPublish ? 'not-published-eligible' : 'not-published-not-eligible';
 	}
 
@@ -118,7 +124,7 @@ const workflowPublishState = computed((): WorkflowPublishState => {
 		return 'published-invalid-trigger';
 	}
 
-	if (workflowsStore.nodesIssuesExist) {
+	if (hasNodeIssues.value) {
 		return 'published-node-issues';
 	}
 
@@ -207,15 +213,15 @@ const publishButtonConfig = computed(() => {
 	if (props.isNewWorkflow) {
 		return {
 			text: i18n.baseText('workflows.publish'),
-			enabled: containsTrigger.value && !workflowsStore.nodesIssuesExist,
+			enabled: containsTrigger.value && !hasNodeIssues.value,
 			showIndicator: false,
 			indicatorClass: '',
 			tooltip: !containsTrigger.value
 				? i18n.baseText('workflows.publishModal.noTriggerMessage')
-				: workflowsStore.nodesIssuesExist
+				: hasNodeIssues.value
 					? i18n.baseText('workflowActivator.showMessage.activeChangedNodesIssuesExistTrue.title', {
-							interpolate: { count: workflowsStore.nodesWithIssues.length },
-							adjustToNumber: workflowsStore.nodesWithIssues.length,
+							interpolate: { count: nodesWithValidationIssues.value.length },
+							adjustToNumber: nodesWithValidationIssues.value.length,
 						})
 					: '',
 			showVersionInfo: false,
@@ -232,8 +238,8 @@ const publishButtonConfig = computed(() => {
 			tooltip: !containsTrigger.value
 				? i18n.baseText('workflows.publishModal.noTriggerMessage')
 				: i18n.baseText('workflowActivator.showMessage.activeChangedNodesIssuesExistTrue.title', {
-						interpolate: { count: workflowsStore.nodesWithIssues.length },
-						adjustToNumber: workflowsStore.nodesWithIssues.length,
+						interpolate: { count: nodesWithValidationIssues.value.length },
+						adjustToNumber: nodesWithValidationIssues.value.length,
 					}),
 			showVersionInfo: false,
 		},
@@ -269,8 +275,8 @@ const publishButtonConfig = computed(() => {
 			tooltip: i18n.baseText(
 				'workflowActivator.showMessage.activeChangedNodesIssuesExistTrue.title',
 				{
-					interpolate: { count: workflowsStore.nodesWithIssues.length },
-					adjustToNumber: workflowsStore.nodesWithIssues.length,
+					interpolate: { count: nodesWithValidationIssues.value.length },
+					adjustToNumber: nodesWithValidationIssues.value.length,
 				},
 			),
 			showVersionInfo: true,
diff --git a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.test.ts b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.test.ts
index e4938f80f01..8fb50f92282 100644
--- a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.test.ts
+++ b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.test.ts
@@ -144,9 +144,6 @@ describe('WorkflowPublishModal', () => {
 			},
 		];
 
-		workflowsStore.nodesIssuesExist = false;
-		workflowsStore.nodesWithIssues = [];
-
 		mockPublishWorkflow.mockReset().mockResolvedValue({
 			success: true,
 			errorHandled: false,
diff --git a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.vue b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.vue
index 5ce9469459e..ce0d15b3fb2 100644
--- a/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.vue
+++ b/packages/frontend/editor-ui/src/app/components/MainHeader/WorkflowPublishModal.vue
@@ -64,7 +64,11 @@ const wfHasAnyChanges = computed(() => {
 	);
 });
 
-const hasNodeIssues = computed(() => workflowsStore.nodesIssuesExist);
+const nodesWithValidationIssues = computed(
+	() => workflowDocumentStore.value.nodesWithValidationIssues,
+);
+
+const hasNodeIssues = computed(() => workflowDocumentStore.value.hasNodeValidationIssues);
 
 const inputsDisabled = computed(() => {
 	return (
@@ -289,12 +293,12 @@ async function handlePublish() {
 				<N8nCallout v-else-if="activeCalloutId === 'nodeIssues'" theme="danger" icon="status-error">
 					{{
 						i18n.baseText('workflowActivator.showMessage.activeChangedNodesIssuesExistTrue.title', {
-							interpolate: { count: workflowsStore.nodesWithIssues.length },
-							adjustToNumber: workflowsStore.nodesWithIssues.length,
+							interpolate: { count: nodesWithValidationIssues.length },
+							adjustToNumber: nodesWithValidationIssues.length,
 						})
 					}}
 					<ul :class="$style.nodeLinks">
-						<li v-for="node in workflowsStore.nodesWithIssues" :key="node.id">
+						<li v-for="node in nodesWithValidationIssues" :key="node.id">
 							<N8nLink
 								size="small"
 								:to="`/workflow/${workflowsStore.workflowId}/${node.id}`"
diff --git a/packages/frontend/editor-ui/src/app/composables/useRunWorkflow.test.ts b/packages/frontend/editor-ui/src/app/composables/useRunWorkflow.test.ts
index 41418054c48..929e354fccc 100644
--- a/packages/frontend/editor-ui/src/app/composables/useRunWorkflow.test.ts
+++ b/packages/frontend/editor-ui/src/app/composables/useRunWorkflow.test.ts
@@ -63,6 +63,8 @@ const { mockDocumentStore } = vi.hoisted(() => {
 		getPinnedDataLastUpdate: vi.fn(),
 		getPinnedDataLastRemovedAt: vi.fn(),
 		getSnapshot: vi.fn(),
+		hasNodeValidationIssues: false,
+		nodeValidationIssues: [],
 		serialize: vi.fn(),
 	};
 	store.getSnapshot.mockReturnValue({
@@ -90,9 +92,7 @@ vi.mock('@/app/stores/workflows.store', () => {
 		workflowExecutionData: null,
 		activeExecutionId: undefined,
 		previousExecutionId: undefined,
-		nodesIssuesExist: false,
 		executionWaitingForWebhook: false,
-		workflowValidationIssues: [],
 		workflow: {
 			nodes: [],
 			id: '',
@@ -315,7 +315,7 @@ describe('useRunWorkflow({ router })', () => {
 
 		it('should not prevent running a webhook-based workflow that has issues', async () => {
 			const { runWorkflowApi } = useRunWorkflow({ router });
-			vi.mocked(workflowsStore).nodesIssuesExist = true;
+			mockDocumentStore.hasNodeValidationIssues = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue({
 				executionId: '123',
 				waitingForWebhook: true,
@@ -323,7 +323,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			await expect(runWorkflowApi({} as IStartRunData)).resolves.not.toThrow();
 
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 		});
 
 		it('should handle workflow run failure', async () => {
@@ -365,7 +365,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(uiStore).activeActions = [''];
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = true;
+			mockDocumentStore.hasNodeValidationIssues = true;
 			mockDocumentStore.serialize.mockReturnValue({
 				id: 'workflowId',
 				nodes: [],
@@ -384,7 +384,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(pushConnectionStore).isConnected = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 			mockDocumentStore.serialize.mockReturnValue({
 				id: 'workflowId',
 				nodes: [],
@@ -448,7 +448,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(pushConnectionStore).isConnected = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 			mockDocumentStore.serialize.mockReturnValue({
 				id: 'workflowId',
 				nodes: [],
@@ -681,7 +681,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(pushConnectionStore).isConnected = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 			mockDocumentStore.serialize.mockReturnValue(workflowData);
 			vi.mocked(workflowsStore).getWorkflowRunData = mockRunData;
 			vi.mocked(agentRequestStore).getAgentRequest.mockReturnValue(agentRequest);
@@ -729,7 +729,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(pushConnectionStore).isConnected = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 			mockDocumentStore.serialize.mockReturnValue(
 				mock<WorkflowData>({ id: 'workflowId', nodes: [] }),
 			);
@@ -758,7 +758,7 @@ describe('useRunWorkflow({ router })', () => {
 
 			vi.mocked(pushConnectionStore).isConnected = true;
 			vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-			vi.mocked(workflowsStore).nodesIssuesExist = false;
+			mockDocumentStore.hasNodeValidationIssues = false;
 			mockDocumentStore.serialize.mockReturnValue(
 				mock<WorkflowData>({ id: 'workflowId', nodes: [] }),
 			);
@@ -813,7 +813,7 @@ describe('useRunWorkflow({ router })', () => {
 			beforeEach(() => {
 				vi.mocked(pushConnectionStore).isConnected = true;
 				vi.mocked(workflowsStore).runWorkflow.mockResolvedValue({ executionId: 'exec-123' });
-				vi.mocked(workflowsStore).nodesIssuesExist = false;
+				mockDocumentStore.hasNodeValidationIssues = false;
 				mockDocumentStore.checkIfNodeHasChatParent.mockReturnValue(false);
 				mockDocumentStore.checkIfToolNodeHasChatParent.mockReturnValue(false);
 			});
@@ -873,7 +873,7 @@ describe('useRunWorkflow({ router })', () => {
 			beforeEach(() => {
 				vi.mocked(pushConnectionStore).isConnected = true;
 				vi.mocked(workflowsStore).runWorkflow.mockResolvedValue(mockExecutionResponse);
-				vi.mocked(workflowsStore).nodesIssuesExist = false;
+				mockDocumentStore.hasNodeValidationIssues = false;
 				vi.mocked(workflowsStore).getWorkflowRunData = {
 					NodeName: [],
 				};
diff --git a/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.test.ts b/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.test.ts
index 6521da111ca..0f2e5a6025d 100644
--- a/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.test.ts
+++ b/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.test.ts
@@ -8,6 +8,7 @@
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import { setActivePinia, createPinia } from 'pinia';
 import { NodeConnectionTypes } from 'n8n-workflow';
+import type { IConnections } from 'n8n-workflow';
 import type { ITag, WorkflowHistory } from '@n8n/rest-api-client';
 import type { Scope } from '@n8n/permissions';
 import {
@@ -100,6 +101,127 @@ describe('workflowDocument.store orchestration', () => {
 		expect(uiStore.stateIsDirty).toBe(true);
 	});
 
+	describe('nodeValidationIssues', () => {
+		it('collects issues only from connected, enabled nodes', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+			const connections: IConnections = {
+				Start: {
+					main: [[{ node: 'Fetch', type: NodeConnectionTypes.Main, index: 0 }]],
+				},
+			};
+
+			workflowDocumentStore.setNodes([
+				createNode({ name: 'Start', type: 'n8n-nodes-base.manualTrigger' }),
+				createNode({
+					name: 'Fetch',
+					type: 'n8n-nodes-base.httpRequest',
+					issues: {
+						parameters: {
+							url: ['Missing URL', 'Invalid URL.'],
+						},
+						credentials: {
+							httpBasicAuth: ['Credentials not set'],
+						},
+					},
+				}),
+				createNode({
+					name: 'Disconnected',
+					type: 'n8n-nodes-base.set',
+					issues: {
+						parameters: { field: ['Should be ignored'] },
+					},
+				}),
+				createNode({
+					name: 'Disabled Node',
+					type: 'n8n-nodes-base.set',
+					disabled: true,
+					issues: {
+						parameters: { field: ['Disabled issue'] },
+					},
+				}),
+			]);
+			workflowDocumentStore.setConnections(connections);
+
+			const issues = workflowDocumentStore.nodeValidationIssues;
+			expect(issues).toEqual([
+				{ node: 'Fetch', type: 'parameters', value: ['Missing URL', 'Invalid URL.'] },
+				{ node: 'Fetch', type: 'credentials', value: ['Credentials not set'] },
+			]);
+		});
+	});
+
+	describe('formatNodeIssueMessage', () => {
+		it('joins array entries and trims trailing period', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			const message = workflowDocumentStore.formatNodeIssueMessage([
+				'Missing URL',
+				'Invalid value.',
+			]);
+			expect(message).toBe('Missing URL, Invalid value');
+		});
+
+		it('returns string representation for non-array values', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			expect(workflowDocumentStore.formatNodeIssueMessage('Simple issue.')).toBe('Simple issue.');
+		});
+	});
+
+	describe('hasNodeValidationIssues', () => {
+		it('should return true when a node has issues and connected', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			workflowDocumentStore.setNodes([
+				createNode({ name: 'Node1', issues: { parameters: { field: ['Error message'] } } }),
+				createNode({ name: 'Node2' }),
+			]);
+
+			workflowDocumentStore.setConnections({
+				Node1: { main: [[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }]] },
+			});
+
+			const hasIssues = workflowDocumentStore.hasNodeValidationIssues;
+			expect(hasIssues).toBe(true);
+		});
+
+		it('should return false when node has issues but it is not connected', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			workflowDocumentStore.setNodes([
+				createNode({ name: 'Node1', issues: { parameters: { field: ['Error message'] } } }),
+				createNode({ name: 'Node2' }),
+			]);
+
+			const hasIssues = workflowDocumentStore.hasNodeValidationIssues;
+			expect(hasIssues).toBe(false);
+		});
+
+		it('should return false when no nodes have issues', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			workflowDocumentStore.setNodes([
+				createNode({ name: 'Node1' }),
+				createNode({ name: 'Node2' }),
+			]);
+			workflowDocumentStore.setConnections({
+				Node1: { main: [[{ node: 'Node2', type: NodeConnectionTypes.Main, index: 0 }]] },
+			});
+
+			const hasIssues = workflowDocumentStore.hasNodeValidationIssues;
+			expect(hasIssues).toBe(false);
+		});
+
+		it('should return false when there are no nodes', () => {
+			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('test-wf'));
+
+			workflowDocumentStore.setNodes([]);
+
+			const hasIssues = workflowDocumentStore.hasNodeValidationIssues;
+			expect(hasIssues).toBe(false);
+		});
+	});
+
 	describe('serialize', () => {
 		it('assembles every doc field into WorkflowData', () => {
 			const workflowDocumentStore = useWorkflowDocumentStore(createWorkflowDocumentId('wf-42'));
diff --git a/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.ts b/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.ts
index 22606d4a628..6009eba6704 100644
--- a/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.ts
+++ b/packages/frontend/editor-ui/src/app/stores/workflowDocument.store.ts
@@ -28,6 +28,7 @@ import { useWorkflowDocumentExpression } from './workflowDocument/useWorkflowDoc
 import { useWorkflowDocumentName } from './workflowDocument/useWorkflowDocumentName';
 import { useWorkflowDocumentWorkflowObject } from './workflowDocument/useWorkflowDocumentWorkflowObject';
 import { useWorkflowDocumentNodeMetadata } from './workflowDocument/useWorkflowDocumentNodeMetadata';
+import { useWorkflowDocumentNodesIssues } from './workflowDocument/useWorkflowDocumentNodesIssues';
 import { useUIStore } from '@/app/stores/ui.store';
 import { useNodeTypesStore } from '@/app/stores/nodeTypes.store';
 import { useWorkflowsStore } from '@/app/stores/workflows.store';
@@ -79,6 +80,7 @@ type MetaReturn = ReturnType<typeof useWorkflowDocumentMeta>;
 type PinDataReturn = ReturnType<typeof useWorkflowDocumentPinData>;
 type SettingsReturn = ReturnType<typeof useWorkflowDocumentSettings>;
 type NodeMetadataReturn = ReturnType<typeof useWorkflowDocumentNodeMetadata>;
+type NodesIssuesReturn = ReturnType<typeof useWorkflowDocumentNodesIssues>;
 
 // Pairwise collision checks — add new composables here when they are created.
 // If any pair shares a key, the corresponding tuple slot becomes an error type
@@ -101,6 +103,9 @@ void (0 as unknown as [
 	AssertNoOverlap<NodeMetadataReturn, PinDataReturn>,
 	AssertNoOverlap<NodeMetadataReturn, MetaReturn>,
 	AssertNoOverlap<NodeMetadataReturn, SettingsReturn>,
+	AssertNoOverlap<NodesIssuesReturn, NodesReturn>,
+	AssertNoOverlap<NodesIssuesReturn, ConnectionsReturn>,
+	AssertNoOverlap<NodesIssuesReturn, GraphReturn>,
 ]);
 
 export type WorkflowDocumentId = `${string}@${string}`;
@@ -182,6 +187,11 @@ export function useWorkflowDocumentStore(id: WorkflowDocumentId) {
 			});
 		const workflowDocumentGraph = useWorkflowDocumentGraph(workflowObject);
 		const workflowDocumentExpression = useWorkflowDocumentExpression(workflowObject);
+		const workflowDocumentNodesIssues = useWorkflowDocumentNodesIssues({
+			allNodes: workflowDocumentNodes.allNodes,
+			outgoingConnectionsByNodeName: workflowDocumentConnections.outgoingConnectionsByNodeName,
+			incomingConnectionsByNodeName: workflowDocumentConnections.incomingConnectionsByNodeName,
+		});
 
 		// --- Cross-cut orchestration ---
 		// Each composable is self-contained and unaware of its siblings. This
@@ -355,6 +365,7 @@ export function useWorkflowDocumentStore(id: WorkflowDocumentId) {
 			...workflowDocumentGraph,
 			...workflowDocumentExpression,
 			...workflowDocumentNodeMetadata,
+			...workflowDocumentNodesIssues,
 			removeAllNodes,
 			hydrate,
 			reset,
diff --git a/packages/frontend/editor-ui/src/app/stores/workflowDocument/useWorkflowDocumentNodesIssues.ts b/packages/frontend/editor-ui/src/app/stores/workflowDocument/useWorkflowDocumentNodesIssues.ts
new file mode 100644
index 00000000000..b7a086443ba
--- /dev/null
+++ b/packages/frontend/editor-ui/src/app/stores/workflowDocument/useWorkflowDocumentNodesIssues.ts
@@ -0,0 +1,83 @@
+import { computed, type ComputedRef } from 'vue';
+import type { INodeUi, WorkflowValidationIssue } from '@/Interface';
+import type { INodeConnections } from 'n8n-workflow';
+
+export type WorkflowDocumentNodesIssuesDeps = {
+	allNodes: ComputedRef<INodeUi[]>;
+	outgoingConnectionsByNodeName: (nodeName: string) => INodeConnections;
+	incomingConnectionsByNodeName: (nodeName: string) => INodeConnections;
+};
+
+export function useWorkflowDocumentNodesIssues(deps: WorkflowDocumentNodesIssuesDeps) {
+	const nodesWithValidationIssues = computed<INodeUi[]>(() =>
+		deps.allNodes.value.filter((node) => {
+			const nodeHasIssues = Object.keys(node.issues ?? {}).length > 0;
+			const isConnected =
+				Object.keys(deps.outgoingConnectionsByNodeName(node.name)).length > 0 ||
+				Object.keys(deps.incomingConnectionsByNodeName(node.name)).length > 0;
+
+			return !node.disabled && isConnected && nodeHasIssues;
+		}),
+	);
+
+	const nodesWithValidationIssuesCount = computed(() => nodesWithValidationIssues.value.length);
+
+	const hasNodeValidationIssues = computed(() => nodesWithValidationIssuesCount.value > 0);
+
+	const nodeValidationIssues = computed(() => {
+		const issues: WorkflowValidationIssue[] = [];
+
+		const isStringOrStringArray = (value: unknown): value is string | string[] =>
+			typeof value === 'string' || Array.isArray(value);
+
+		deps.allNodes.value.forEach((node) => {
+			if (!node.issues || node.disabled) return;
+
+			const isConnected =
+				Object.keys(deps.outgoingConnectionsByNodeName(node.name)).length > 0 ||
+				Object.keys(deps.incomingConnectionsByNodeName(node.name)).length > 0;
+
+			if (!isConnected) return;
+
+			Object.entries(node.issues).forEach(([issueType, issueValue]) => {
+				if (!issueValue) return;
+
+				if (typeof issueValue === 'object' && !Array.isArray(issueValue)) {
+					Object.entries(issueValue).forEach(([_key, value]) => {
+						if (value) {
+							issues.push({
+								node: node.name,
+								type: issueType,
+								value,
+							});
+						}
+					});
+				} else {
+					issues.push({
+						node: node.name,
+						type: issueType,
+						value: isStringOrStringArray(issueValue) ? issueValue : String(issueValue),
+					});
+				}
+			});
+		});
+
+		return issues;
+	});
+
+	function formatNodeIssueMessage(issue: string | string[]): string {
+		if (Array.isArray(issue)) {
+			return issue.join(', ').replace(/\.$/, '');
+		}
+
+		return String(issue);
+	}
+
+	return {
+		nodesWithValidationIssues,
+		nodesWithValidationIssuesCount,
+		hasNodeValidationIssues,
+		nodeValidationIssues,
+		formatNodeIssueMessage,
+	};
+}
diff --git a/packages/frontend/editor-ui/src/app/stores/workflows.store.test.ts b/packages/frontend/editor-ui/src/app/stores/workflows.store.test.ts
index aed4fcef6be..fdd131ac89b 100644
--- a/packages/frontend/editor-ui/src/app/stores/workflows.store.test.ts
+++ b/packages/frontend/editor-ui/src/app/stores/workflows.store.test.ts
@@ -16,7 +16,7 @@ import type { INodeUi, IWorkflowDb, IWorkflowSettings } from '@/Interface';
 import type { IExecutionResponse } from '@/features/execution/executions/executions.types';
 
 import { createEmptyRunExecutionData, createRunExecutionData, deepCopy } from 'n8n-workflow';
-import type { IConnection, IConnections, INodeTypeDescription } from 'n8n-workflow';
+import type { INodeTypeDescription } from 'n8n-workflow';
 import { useUIStore } from '@/app/stores/ui.store';
 import type { PushPayload } from '@n8n/api-types';
 import { flushPromises } from '@vue/test-utils';
@@ -113,92 +113,6 @@ describe('useWorkflowsStore', () => {
 		expect(workflowsStore.workflow.id).toBe('');
 	});
 
-	describe('workflowValidationIssues', () => {
-		it('collects issues only from connected, enabled nodes', () => {
-			const connections: IConnections = {
-				Start: {
-					main: [
-						[
-							{
-								node: 'Fetch',
-								type: 'main',
-								index: 0,
-							},
-						],
-					],
-				},
-			};
-
-			workflowsStore.workflow.nodes = [
-				{
-					id: 'start',
-					name: 'Start',
-					type: 'n8n-nodes-base.manualTrigger',
-					typeVersion: 1,
-					parameters: {},
-					position: [0, 0],
-				},
-				{
-					id: 'fetch',
-					name: 'Fetch',
-					type: 'n8n-nodes-base.httpRequest',
-					typeVersion: 1,
-					parameters: {},
-					issues: {
-						parameters: {
-							url: ['Missing URL', 'Invalid URL.'],
-						},
-						credentials: {
-							httpBasicAuth: ['Credentials not set'],
-						},
-					},
-					position: [300, 0],
-				},
-				{
-					id: 'orphan',
-					name: 'Disconnected',
-					type: 'n8n-nodes-base.set',
-					typeVersion: 1,
-					parameters: {},
-					issues: {
-						parameters: { field: ['Should be ignored'] },
-					},
-					position: [0, 400],
-				},
-				{
-					id: 'disabled',
-					name: 'Disabled Node',
-					type: 'n8n-nodes-base.set',
-					typeVersion: 1,
-					disabled: true,
-					parameters: {},
-					issues: {
-						parameters: { field: ['Disabled issue'] },
-					},
-					position: [0, 600],
-				},
-			];
-			workflowsStore.workflow.connections = connections;
-
-			const issues = workflowsStore.workflowValidationIssues;
-			expect(issues).toEqual([
-				{ node: 'Fetch', type: 'parameters', value: ['Missing URL', 'Invalid URL.'] },
-				{ node: 'Fetch', type: 'credentials', value: ['Credentials not set'] },
-			]);
-		});
-	});
-
-	describe('formatIssueMessage', () => {
-		it('joins array entries and trims trailing period', () => {
-			const message = workflowsStore.formatIssueMessage(['Missing URL', 'Invalid value.']);
-			expect(message).toBe('Missing URL, Invalid value');
-		});
-
-		it('returns string representation for non-array values', () => {
-			expect(workflowsStore.formatIssueMessage('Simple issue.')).toBe('Simple issue.');
-		});
-	});
-
 	describe('allWorkflows', () => {
 		it('should return sorted workflows by name', () => {
 			const workflowsListStore = useWorkflowsListStore();
@@ -329,53 +243,6 @@ describe('useWorkflowsStore', () => {
 		});
 	});
 
-	describe('nodesIssuesExist', () => {
-		it('should return true when a node has issues and connected', () => {
-			workflowsStore.workflow.nodes = [
-				{ name: 'Node1', issues: { error: ['Error message'] } },
-				{ name: 'Node2' },
-			] as unknown as IWorkflowDb['nodes'];
-
-			workflowsStore.workflow.connections = {
-				Node1: { main: [[{ node: 'Node2' } as IConnection]] },
-			};
-
-			const hasIssues = workflowsStore.nodesIssuesExist;
-			expect(hasIssues).toBe(true);
-		});
-
-		it('should return false when node has issues but it is not connected', () => {
-			workflowsStore.workflow.nodes = [
-				{ name: 'Node1', issues: { error: ['Error message'] } },
-				{ name: 'Node2' },
-			] as unknown as IWorkflowDb['nodes'];
-
-			const hasIssues = workflowsStore.nodesIssuesExist;
-			expect(hasIssues).toBe(false);
-		});
-
-		it('should return false when no nodes have issues', () => {
-			workflowsStore.workflow.nodes = [
-				{ name: 'Node1' },
-				{ name: 'Node2' },
-			] as unknown as IWorkflowDb['nodes'];
-
-			workflowsStore.workflow.connections = {
-				Node1: { main: [[{ node: 'Node2' } as IConnection]] },
-			};
-
-			const hasIssues = workflowsStore.nodesIssuesExist;
-			expect(hasIssues).toBe(false);
-		});
-
-		it('should return false when there are no nodes', () => {
-			workflowsStore.workflow.nodes = [];
-
-			const hasIssues = workflowsStore.nodesIssuesExist;
-			expect(hasIssues).toBe(false);
-		});
-	});
-
 	describe('getWorkflowResultDataByNodeName()', () => {
 		it('should return null when no workflow run data is present', () => {
 			workflowsStore.workflowExecutionData = null;
diff --git a/packages/frontend/editor-ui/src/app/stores/workflows.store.ts b/packages/frontend/editor-ui/src/app/stores/workflows.store.ts
index 4152e1fe2ee..6b8672cbe3e 100644
--- a/packages/frontend/editor-ui/src/app/stores/workflows.store.ts
+++ b/packages/frontend/editor-ui/src/app/stores/workflows.store.ts
@@ -5,7 +5,7 @@ import {
 	MAX_WORKFLOW_NAME_LENGTH,
 } from '@/app/constants';
 import { STORES } from '@n8n/stores';
-import type { INodeUi, IStartRunData, IWorkflowDb, WorkflowValidationIssue } from '@/Interface';
+import type { INodeUi, IStartRunData, IWorkflowDb } from '@/Interface';
 import type {
 	IExecutionPushResponse,
 	IExecutionResponse,
@@ -184,76 +184,6 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, () => {
 		}, {});
 	});
 
-	const nodesWithIssues = computed(() =>
-		workflow.value.nodes.filter((node) => {
-			const nodeHasIssues = Object.keys(node.issues ?? {}).length > 0;
-			const isConnected =
-				Object.keys(outgoingConnectionsByNodeName(node.name)).length > 0 ||
-				Object.keys(incomingConnectionsByNodeName(node.name)).length > 0;
-			return !node.disabled && isConnected && nodeHasIssues;
-		}),
-	);
-
-	const nodesWithIssuesCount = computed(() => nodesWithIssues.value.length);
-
-	const nodesIssuesExist = computed(() => nodesWithIssuesCount.value > 0);
-
-	/**
-	 * Get detailed validation issues for all connected, enabled nodes
-	 */
-	const workflowValidationIssues = computed(() => {
-		const issues: WorkflowValidationIssue[] = [];
-
-		const isStringOrStringArray = (value: unknown): value is string | string[] =>
-			typeof value === 'string' || Array.isArray(value);
-
-		workflow.value.nodes.forEach((node) => {
-			if (!node.issues || node.disabled) return;
-
-			const isConnected =
-				Object.keys(outgoingConnectionsByNodeName(node.name)).length > 0 ||
-				Object.keys(incomingConnectionsByNodeName(node.name)).length > 0;
-
-			if (!isConnected) return;
-
-			Object.entries(node.issues).forEach(([issueType, issueValue]) => {
-				if (!issueValue) return;
-
-				if (typeof issueValue === 'object' && !Array.isArray(issueValue)) {
-					// Handle nested issues (parameters, credentials)
-					Object.entries(issueValue).forEach(([_key, value]) => {
-						if (value) {
-							issues.push({
-								node: node.name,
-								type: issueType,
-								value,
-							});
-						}
-					});
-				} else {
-					// Handle direct issues
-					issues.push({
-						node: node.name,
-						type: issueType,
-						value: isStringOrStringArray(issueValue) ? issueValue : String(issueValue),
-					});
-				}
-			});
-		});
-
-		return issues;
-	});
-
-	/**
-	 * Format issue message for display
-	 */
-	function formatIssueMessage(issue: string | string[]): string {
-		if (Array.isArray(issue)) {
-			return issue.join(', ').replace(/\.$/, '');
-		}
-		return String(issue);
-	}
-
 	const executedNode = computed(() => workflowExecutionData.value?.executedNode);
 
 	const getAllLoadedFinishedExecutions = computed(() => {
@@ -1248,11 +1178,6 @@ export const useWorkflowsStore = defineStore(STORES.WORKFLOWS, () => {
 		connectionsByDestinationNode,
 		isWorkflowRunning,
 		nodesByName,
-		nodesWithIssuesCount,
-		nodesWithIssues,
-		nodesIssuesExist,
-		workflowValidationIssues,
-		formatIssueMessage,
 		executedNode,
 		getAllLoadedFinishedExecutions,
 		getWorkflowExecution,
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/builder.store.test.ts b/packages/frontend/editor-ui/src/features/ai/assistant/builder.store.test.ts
index fe457930ad0..eb030353bb3 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/builder.store.test.ts
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/builder.store.test.ts
@@ -148,6 +148,7 @@ vi.mock('vue-router', () => ({
 }));
 
 let workflowState: WorkflowState;
+
 describe('AI Builder store', () => {
 	beforeEach(() => {
 		mockDocumentState = undefined;
@@ -1582,7 +1583,6 @@ describe('AI Builder store', () => {
 
 	describe('workflowTodos', () => {
 		it('returns empty array when no validation issues exist', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [];
 
 			const builderStore = useBuilderStore();
@@ -1590,9 +1590,16 @@ describe('AI Builder store', () => {
 		});
 
 		it('includes credential validation issues', () => {
-			workflowsStore.workflowValidationIssues = [
-				{ node: 'HTTP Request', type: 'credentials', value: 'Missing credentials' },
+			workflowsStore.workflow.nodes = [
+				{
+					...createTestNode({ name: 'HTTP Request' }),
+					issues: { credentials: { value: ['Missing credentials'] } },
+				},
+				createTestNode({ name: 'Issue Target' }),
 			];
+			workflowsStore.workflow.connections = {
+				'HTTP Request': { main: [[{ node: 'Issue Target', type: 'main', index: 0 }]] },
+			};
 
 			const builderStore = useBuilderStore();
 			expect(builderStore.workflowTodos).toContainEqual(
@@ -1601,7 +1608,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('includes placeholder issues from node parameters', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1622,9 +1628,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('combines credential and placeholder issues', () => {
-			workflowsStore.workflowValidationIssues = [
-				{ node: 'HTTP Request', type: 'credentials', value: 'Missing credentials' },
-			];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1635,8 +1638,15 @@ describe('AI Builder store', () => {
 					parameters: {
 						url: '<__PLACEHOLDER_VALUE__Enter URL__>',
 					},
+					issues: {
+						credentials: { value: ['Missing credentials'] },
+					},
 				},
+				createTestNode({ id: 'issue-target-node', name: 'Issue Target' }),
 			];
+			workflowsStore.workflow.connections = {
+				'HTTP Request': { main: [[{ node: 'Issue Target', type: 'main', index: 0 }]] },
+			};
 
 			const builderStore = useBuilderStore();
 			expect(builderStore.workflowTodos.length).toBeGreaterThanOrEqual(2);
@@ -1651,7 +1661,6 @@ describe('AI Builder store', () => {
 
 	describe('placeholderIssues', () => {
 		it('returns empty array when nodes have no parameters', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1668,7 +1677,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('returns empty array when node has undefined parameters', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1684,7 +1692,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('detects placeholders in nested object parameters', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1712,7 +1719,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('detects placeholders in array parameters', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1739,7 +1745,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('detects multiple placeholders in the same node', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1760,7 +1765,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('detects placeholders across multiple nodes', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1792,7 +1796,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('deduplicates identical placeholder issues (same node, path, and label)', () => {
-			workflowsStore.workflowValidationIssues = [];
 			// Simulate a scenario where the same placeholder appears twice
 			// (which shouldn't happen in practice but tests the deduplication)
 			workflowsStore.workflow.nodes = [
@@ -1837,8 +1840,6 @@ describe('AI Builder store', () => {
 				},
 			];
 
-			workflowsStore.workflowValidationIssues = [];
-
 			const builderStore = useBuilderStore();
 			const placeholderIssues = builderStore.workflowTodos.filter((t) => t.type === 'parameters');
 			// Should be skipped because the message already exists
@@ -1864,8 +1865,6 @@ describe('AI Builder store', () => {
 				},
 			];
 
-			workflowsStore.workflowValidationIssues = [];
-
 			const builderStore = useBuilderStore();
 			const placeholderIssues = builderStore.workflowTodos.filter((t) => t.type === 'parameters');
 			// Should still create the placeholder issue
@@ -1873,7 +1872,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('ignores non-string parameter values', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1894,7 +1892,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('ignores strings that do not match placeholder format', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1916,7 +1913,6 @@ describe('AI Builder store', () => {
 		});
 
 		it('ignores placeholder with empty label', () => {
-			workflowsStore.workflowValidationIssues = [];
 			workflowsStore.workflow.nodes = [
 				{
 					id: 'node-1',
@@ -1936,13 +1932,20 @@ describe('AI Builder store', () => {
 		});
 
 		it('filters out non-credential and non-parameter validation issues', () => {
-			workflowsStore.workflowValidationIssues = [
-				{ node: 'HTTP Request', type: 'credentials', value: 'Missing credentials' },
-				{ node: 'HTTP Request', type: 'parameters', value: 'Missing parameter' },
-				{ node: 'HTTP Request', type: 'execution', value: 'Execution error' },
-				{ node: 'HTTP Request', type: 'unknown' as 'parameters', value: 'Unknown issue' },
+			workflowsStore.workflow.nodes = [
+				{
+					...createTestNode({ name: 'HTTP Request' }),
+					issues: {
+						credentials: { value: ['Missing credentials'] },
+						parameters: { value: ['Missing parameter'] },
+						execution: true,
+					},
+				},
+				createTestNode({ name: 'Issue Target' }),
 			];
-			workflowsStore.workflow.nodes = [];
+			workflowsStore.workflow.connections = {
+				'HTTP Request': { main: [[{ node: 'Issue Target', type: 'main', index: 0 }]] },
+			};
 
 			const builderStore = useBuilderStore();
 			// Should only include credentials and parameters types
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.test.ts b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.test.ts
index 390aed74890..b877d18a9d1 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.test.ts
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.test.ts
@@ -17,10 +17,9 @@ import { useLogsStore } from '@/app/stores/logs.store';
 import { useUIStore } from '@/app/stores/ui.store';
 import { useBuilderStore } from '../../builder.store';
 
-const workflowValidationIssuesRef = ref<
+const builderWorkflowTodosRef = ref<
 	Array<{ node: string; type: string; value: string | string[] }>
 >([]);
-const workflowTodosRef = ref<Array<{ node: string; type: string; value: string | string[] }>>([]);
 const executionWaitingForWebhookRef = ref(false);
 const selectedTriggerNodeNameRef = ref<string | undefined>(undefined);
 const hasNoCreditsRemainingRef = ref(false);
@@ -101,8 +100,7 @@ describe('ExecuteMessage', () => {
 		vi.clearAllMocks();
 		runWorkflowMock.mockReset();
 		showMessageMock.mockReset();
-		workflowValidationIssuesRef.value = [];
-		workflowTodosRef.value = [];
+		builderWorkflowTodosRef.value = [];
 		executionWaitingForWebhookRef.value = false;
 		selectedTriggerNodeNameRef.value = undefined;
 		hasNoCreditsRemainingRef.value = false;
@@ -129,12 +127,6 @@ describe('ExecuteMessage', () => {
 
 		workflowsStore.workflow.nodes = workflowNodes as unknown as INodeUi[];
 		workflowsStore.workflow.connections = {} as never;
-		Object.defineProperty(workflowsStore, 'workflowValidationIssues', {
-			get: () => workflowValidationIssuesRef.value,
-		});
-		workflowsStore.formatIssueMessage = vi.fn((value: string | string[]) =>
-			Array.isArray(value) ? value.join(', ') : String(value),
-		);
 		Object.defineProperty(workflowsStore, 'workflowExecutionData', {
 			get: () => workflowExecutionDataRef,
 		});
@@ -158,7 +150,7 @@ describe('ExecuteMessage', () => {
 			get: () => hasNoCreditsRemainingRef.value,
 		});
 		Object.defineProperty(builderStore, 'workflowTodos', {
-			get: () => workflowTodosRef.value,
+			get: () => builderWorkflowTodosRef.value,
 		});
 		builderStore.trackWorkflowBuilderJourney = vi.fn();
 
@@ -167,8 +159,7 @@ describe('ExecuteMessage', () => {
 
 	it('disables execution when validation issues exist', () => {
 		const issue = { node: 'Start Trigger', type: 'parameters', value: 'Missing field' };
-		workflowValidationIssuesRef.value = [issue];
-		workflowTodosRef.value = [issue];
+		builderWorkflowTodosRef.value = [issue];
 
 		const { getAllByTestId, getByText } = renderExecuteMessage();
 
@@ -181,7 +172,7 @@ describe('ExecuteMessage', () => {
 		workflowNodes[0].parameters = {
 			url: '<__PLACEHOLDER_VALUE__API endpoint URL__>',
 		};
-		workflowTodosRef.value = [
+		builderWorkflowTodosRef.value = [
 			{ node: 'Start Trigger', type: 'parameters', value: 'Fill in placeholder value' },
 		];
 
@@ -304,7 +295,7 @@ describe('ExecuteMessage', () => {
 
 	it('disables execution when no credits remaining and validation issues exist', () => {
 		hasNoCreditsRemainingRef.value = true;
-		workflowValidationIssuesRef.value = [
+		builderWorkflowTodosRef.value = [
 			{ node: 'Start Trigger', type: 'parameters', value: 'Missing field' },
 		];
 
@@ -352,7 +343,7 @@ describe('ExecuteMessage', () => {
 				url: ['Some other validation error'],
 			},
 		};
-		workflowTodosRef.value = [
+		builderWorkflowTodosRef.value = [
 			{ node: 'Start Trigger', type: 'parameters', value: 'Some other validation error' },
 			{ node: 'Start Trigger', type: 'parameters', value: 'Fill in placeholder value' },
 		];
@@ -369,7 +360,7 @@ describe('ExecuteMessage', () => {
 
 	it('tracks user_clicked_todo when clicking on an issue item', async () => {
 		const todoIssue = { node: 'HTTP Request', type: 'parameters', value: 'Missing URL' };
-		workflowTodosRef.value = [todoIssue];
+		builderWorkflowTodosRef.value = [todoIssue];
 		workflowNodes.push({
 			id: '2',
 			name: 'HTTP Request',
@@ -397,7 +388,7 @@ describe('ExecuteMessage', () => {
 			type: 'credentials',
 			value: "Credentials for 'OpenAI' are not set",
 		};
-		workflowTodosRef.value = [credentialIssue];
+		builderWorkflowTodosRef.value = [credentialIssue];
 		workflowNodes.push({
 			id: '2',
 			name: 'OpenAI Model',
@@ -426,12 +417,12 @@ describe('ExecuteMessage', () => {
 
 	it('tracks no_placeholder_values_left when all todos are resolved', async () => {
 		const todoIssue = { node: 'Start Trigger', type: 'parameters', value: 'Missing field' };
-		workflowTodosRef.value = [todoIssue];
+		builderWorkflowTodosRef.value = [todoIssue];
 
 		renderExecuteMessage();
 
 		// Simulate resolving all todos
-		workflowTodosRef.value = [];
+		builderWorkflowTodosRef.value = [];
 		await nextTick();
 		await flushPromises();
 
@@ -441,7 +432,7 @@ describe('ExecuteMessage', () => {
 	});
 
 	it('does not track no_placeholder_values_left when component mounts without issues', async () => {
-		workflowTodosRef.value = [];
+		builderWorkflowTodosRef.value = [];
 
 		renderExecuteMessage();
 		await nextTick();
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.vue b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.vue
index 9447782c2fe..1239f9a793b 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.vue
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/ExecuteMessage.vue
@@ -96,8 +96,8 @@ const parameterRequiredPattern = /Parameter\s+".+"\s+is\s+required/i;
  * Custom formatter for issue messages in the execute panel.
  * Transforms verbose validation messages into user-friendly action prompts.
  */
-function formatIssueMessage(issue: string | string[]): string {
-	const baseMessage = workflowsStore.formatIssueMessage(issue);
+function formatNodeIssueMessage(issue: string | string[]): string {
+	const baseMessage = workflowDocumentStore.value.formatNodeIssueMessage(issue);
 
 	// Transform "Parameter "X" is required" → "Choose model" (for Model) or keep original
 	if (parameterRequiredPattern.test(baseMessage)) {
@@ -256,10 +256,10 @@ watch(hasValidationIssues, (hasIssues, hadIssues) => {
 					>
 						<NodeIssueItem
 							v-for="issue in issuesByType.other"
-							:key="`${formatIssueMessage(issue.value)}_${issue.node}`"
+							:key="`${formatNodeIssueMessage(issue.value)}_${issue.node}`"
 							:issue="issue"
 							:get-node-type="getNodeTypeByName"
-							:format-issue-message="formatIssueMessage"
+							:format-node-issue-message="formatNodeIssueMessage"
 							@click="() => trackBuilderPlaceholders(issue)"
 						/>
 					</TransitionGroup>
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.test.ts b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.test.ts
index 07e7617a42f..38e93c7c4ec 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.test.ts
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.test.ts
@@ -17,7 +17,7 @@ vi.mock('@/app/components/NodeIcon.vue', () => ({
 
 const renderComponent = createComponentRenderer(NodeIssueItem);
 
-function formatIssueMessage(value: string | string[]) {
+function formatNodeIssueMessage(value: string | string[]) {
 	return Array.isArray(value) ? value.join(', ') : value;
 }
 
@@ -38,7 +38,7 @@ describe('NodeIssueItem', () => {
 			props: {
 				issue: { node: 'Linear', type: 'parameters', value: 'Missing API key' },
 				getNodeType: vi.fn(),
-				formatIssueMessage,
+				formatNodeIssueMessage,
 			},
 		});
 
@@ -56,7 +56,7 @@ describe('NodeIssueItem', () => {
 			props: {
 				issue: { node: 'Linear', type: 'parameters', value: 'Missing API key' },
 				getNodeType: vi.fn(() => nodeType),
-				formatIssueMessage,
+				formatNodeIssueMessage,
 			},
 		});
 
@@ -74,7 +74,7 @@ describe('NodeIssueItem', () => {
 			props: {
 				issue: { node: 'Linear', type: 'parameters', value: 'Missing API key' },
 				getNodeType: vi.fn(() => nodeType),
-				formatIssueMessage,
+				formatNodeIssueMessage,
 			},
 		});
 
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.vue b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.vue
index f8f5852da4e..42081859169 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.vue
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/components/Agent/NodeIssueItem.vue
@@ -16,7 +16,7 @@ interface Props {
 	/** Function to get node type information */
 	getNodeType: (nodeName: string) => INodeTypeDescription | null;
 	/** Function to format issue messages */
-	formatIssueMessage: (value: WorkflowNodeIssue['value']) => string;
+	formatNodeIssueMessage: (value: WorkflowNodeIssue['value']) => string;
 }
 
 interface Emits {
@@ -54,9 +54,9 @@ function handleEditClick() {
 		/>
 
 		<!-- Issue message -->
-		<div :class="$style.issueMessage" :aria-label="`Issue: ${formatIssueMessage(issue.value)}`">
+		<div :class="$style.issueMessage" :aria-label="`Issue: ${formatNodeIssueMessage(issue.value)}`">
 			<span :class="$style.nodeName">{{ issue.node }}:</span>
-			{{ formatIssueMessage(issue.value) }}
+			{{ formatNodeIssueMessage(issue.value) }}
 		</div>
 
 		<!-- Navigate chevron -->
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.test.ts b/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.test.ts
index 0e42be053c6..7964c807f4e 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.test.ts
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.test.ts
@@ -451,8 +451,11 @@ describe('useBuilderTodos', () => {
 				'OpenAI GPT-4o-mini': [{ json: { response: 'pinned AI response' } }],
 			});
 
-			// Verify the issue exists in workflowValidationIssues before filtering
-			const validationIssues = workflowsStore.workflowValidationIssues;
+			// Verify the issue exists in nodeValidationIssues before filtering
+			const workflowDocumentStore = useWorkflowDocumentStore(
+				createWorkflowDocumentId(workflowsStore.workflow.id),
+			);
+			const validationIssues = workflowDocumentStore.nodeValidationIssues;
 			expect(validationIssues.some((i) => i.node === 'OpenAI GPT-4o-mini')).toBe(true);
 
 			const { workflowTodos } = useBuilderTodos();
@@ -499,7 +502,10 @@ describe('useBuilderTodos', () => {
 			});
 
 			// Verify validation issue exists for the sub-node
-			const validationIssues = workflowsStore.workflowValidationIssues;
+			const workflowDocumentStore = useWorkflowDocumentStore(
+				createWorkflowDocumentId(workflowsStore.workflow.id),
+			);
+			const validationIssues = workflowDocumentStore.nodeValidationIssues;
 			expect(validationIssues.some((i) => i.node === 'OpenAI GPT-4.1-mini')).toBe(true);
 
 			const { workflowTodos } = useBuilderTodos();
@@ -736,7 +742,10 @@ describe('useBuilderTodos', () => {
 			setPinData({});
 
 			// Verify validation issue exists for the sub-node
-			const validationIssues = workflowsStore.workflowValidationIssues;
+			const workflowDocumentStore = useWorkflowDocumentStore(
+				createWorkflowDocumentId(workflowsStore.workflow.id),
+			);
+			const validationIssues = workflowDocumentStore.nodeValidationIssues;
 			expect(validationIssues.some((i) => i.node === 'OpenAI GPT-4.1-mini')).toBe(true);
 
 			const { workflowTodos } = useBuilderTodos();
diff --git a/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.ts b/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.ts
index a6590ad98c3..12564a01e95 100644
--- a/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.ts
+++ b/packages/frontend/editor-ui/src/features/ai/assistant/composables/useBuilderTodos.ts
@@ -142,7 +142,7 @@ export function useBuilderTodos() {
 		void _pinData;
 		void _nodes;
 
-		return workflowsStore.workflowValidationIssues.filter(
+		return workflowDocumentStore.value.nodeValidationIssues.filter(
 			(issue) =>
 				['credentials', 'parameters'].includes(issue.type) &&
 				!nodeHasPinnedData(issue.node) &&
@@ -225,7 +225,7 @@ export function useBuilderTodos() {
 		if (!pinData || Object.keys(pinData).length === 0) return false;
 
 		// Check base workflow issues that would show if not for pinned data
-		const wouldHaveBaseIssues = workflowsStore.workflowValidationIssues.some(
+		const wouldHaveBaseIssues = workflowDocumentStore.value.nodeValidationIssues.some(
 			(issue) =>
 				['credentials', 'parameters'].includes(issue.type) &&
 				nodeHasPinnedData(issue.node) &&
@@ -251,7 +251,7 @@ export function useBuilderTodos() {
 	 * Returns todos data formatted for telemetry tracking.
 	 */
 	function getTodosToTrack(): TodosTrackingPayload {
-		const credentials_todo_count = workflowsStore.workflowValidationIssues.filter(
+		const credentials_todo_count = workflowDocumentStore.value.nodeValidationIssues.filter(
 			(issue) => issue.type === 'credentials',
 		).length;
 		const placeholders_todo_count = placeholderIssues.value.length;