From 11dcef36df689c4bdbd14cfefc91279c5ff4cba4 Mon Sep 17 00:00:00 2001
From: Marc Littlemore <MarcL@users.noreply.github.com>
Date: Fri, 8 Aug 2025 16:51:39 +0100
Subject: [PATCH] feat(core): Add workflow diffs feature to license checks
 (no-changelog) (#18130)

---
 packages/@n8n/api-types/src/frontend-settings.ts      | 1 +
 packages/@n8n/backend-common/src/license-state.ts     | 4 ++++
 packages/@n8n/constants/src/index.ts                  | 1 +
 packages/cli/src/controllers/e2e.controller.ts        | 1 +
 packages/cli/src/services/frontend.service.ts         | 2 ++
 packages/frontend/editor-ui/src/__tests__/defaults.ts | 1 +
 packages/frontend/editor-ui/src/__tests__/mocks.ts    | 1 +
 7 files changed, 11 insertions(+)

diff --git a/packages/@n8n/api-types/src/frontend-settings.ts b/packages/@n8n/api-types/src/frontend-settings.ts
index 500168ba24..fb37b7c28b 100644
--- a/packages/@n8n/api-types/src/frontend-settings.ts
+++ b/packages/@n8n/api-types/src/frontend-settings.ts
@@ -153,6 +153,7 @@ export interface FrontendSettings {
 		workerView: boolean;
 		advancedPermissions: boolean;
 		apiKeyScopes: boolean;
+		workflowDiffs: boolean;
 		projects: {
 			team: {
 				limit: number;
diff --git a/packages/@n8n/backend-common/src/license-state.ts b/packages/@n8n/backend-common/src/license-state.ts
index 85e021f06d..76a2ae904a 100644
--- a/packages/@n8n/backend-common/src/license-state.ts
+++ b/packages/@n8n/backend-common/src/license-state.ts
@@ -159,6 +159,10 @@ export class LicenseState {
 		return this.isLicensed('feat:insights:viewHourlyData');
 	}
 
+	isWorkflowDiffsLicensed() {
+		return this.isLicensed('feat:workflowDiffs');
+	}
+
 	// --------------------
 	//      integers
 	// --------------------
diff --git a/packages/@n8n/constants/src/index.ts b/packages/@n8n/constants/src/index.ts
index feb818e6e0..1042c57523 100644
--- a/packages/@n8n/constants/src/index.ts
+++ b/packages/@n8n/constants/src/index.ts
@@ -35,6 +35,7 @@ export const LICENSE_FEATURES = {
 	INSIGHTS_VIEW_DASHBOARD: 'feat:insights:viewDashboard',
 	INSIGHTS_VIEW_HOURLY_DATA: 'feat:insights:viewHourlyData',
 	API_KEY_SCOPES: 'feat:apiKeyScopes',
+	WORKFLOW_DIFFS: 'feat:workflowDiffs',
 } as const;
 
 export const LICENSE_QUOTAS = {
diff --git a/packages/cli/src/controllers/e2e.controller.ts b/packages/cli/src/controllers/e2e.controller.ts
index 6a7a91421c..0ebe4cffb1 100644
--- a/packages/cli/src/controllers/e2e.controller.ts
+++ b/packages/cli/src/controllers/e2e.controller.ts
@@ -108,6 +108,7 @@ export class E2EController {
 		[LICENSE_FEATURES.API_KEY_SCOPES]: false,
 		[LICENSE_FEATURES.OIDC]: false,
 		[LICENSE_FEATURES.MFA_ENFORCEMENT]: false,
+		[LICENSE_FEATURES.WORKFLOW_DIFFS]: false,
 	};
 
 	private static readonly numericFeaturesDefaults: Record<NumericLicenseFeature, number> = {
diff --git a/packages/cli/src/services/frontend.service.ts b/packages/cli/src/services/frontend.service.ts
index 6209b97165..cb0fff329f 100644
--- a/packages/cli/src/services/frontend.service.ts
+++ b/packages/cli/src/services/frontend.service.ts
@@ -228,6 +228,7 @@ export class FrontendService {
 				workerView: false,
 				advancedPermissions: false,
 				apiKeyScopes: false,
+				workflowDiffs: false,
 				projects: {
 					team: {
 						limit: 0,
@@ -356,6 +357,7 @@ export class FrontendService {
 			workerView: this.license.isWorkerViewLicensed(),
 			advancedPermissions: this.license.isAdvancedPermissionsLicensed(),
 			apiKeyScopes: this.license.isApiKeyScopesEnabled(),
+			workflowDiffs: this.licenseState.isWorkflowDiffsLicensed(),
 		});
 
 		if (this.license.isLdapEnabled()) {
diff --git a/packages/frontend/editor-ui/src/__tests__/defaults.ts b/packages/frontend/editor-ui/src/__tests__/defaults.ts
index ed5bdb6982..8cb572e313 100644
--- a/packages/frontend/editor-ui/src/__tests__/defaults.ts
+++ b/packages/frontend/editor-ui/src/__tests__/defaults.ts
@@ -40,6 +40,7 @@ export const defaultSettings: FrontendSettings = {
 		workerView: false,
 		advancedPermissions: false,
 		apiKeyScopes: false,
+		workflowDiffs: false,
 		projects: {
 			team: {
 				limit: 1,
diff --git a/packages/frontend/editor-ui/src/__tests__/mocks.ts b/packages/frontend/editor-ui/src/__tests__/mocks.ts
index 64078721f2..0d86bf435c 100644
--- a/packages/frontend/editor-ui/src/__tests__/mocks.ts
+++ b/packages/frontend/editor-ui/src/__tests__/mocks.ts
@@ -245,6 +245,7 @@ export function createMockEnterpriseSettings(
 		workerView: false,
 		advancedPermissions: false,
 		apiKeyScopes: false,
+		workflowDiffs: false,
 		projects: {
 			team: {
 				limit: 0,