feat(core): Add workflow diffs feature to license checks (no-changelog) (#18130)

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;

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
 	// --------------------

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 = {