feat(dashboard): fixed layout selection with default layout fixes MRK-1060

apps/dashboard/src/components/template-store/workflow-template-modal.tsx

@@ -38,17 +38,16 @@ import { selectPopularByIdStrict } from './featured';
  */
 function mapTemplateStepsToSteps(templateSteps: StepCreateDto[]): Step[] {
   return templateSteps.map((step, index) => {
-    // Create a proper Step object with all required properties
     const mappedStep: Step = {
       name: step.name || `Step ${index + 1}`,
       type: step.type,
-      _id: `temp-${index}`, // Temporary ID for template preview
+      _id: `temp-${index}`,
       stepId: step.name || `step-${index}`,
-      slug: `template-step-${index}_st_temp` as const, // Temporary slug for template preview
+      slug: `template-step-${index}_st_temp` as const,
       controls: {
         values: step.controlValues ?? {},
       },
-      issues: undefined, // No issues for template steps
+      issues: undefined,
     };
 
     return mappedStep;
@@ -72,6 +71,10 @@ export function WorkflowTemplateModal(props: WorkflowTemplateModalProps) {
 
   const selectedTemplate = props.selectedTemplate ?? internalSelectedTemplate;
   const { suggestions } = useTemplateStore();
+  const previewSteps = useMemo(() => {
+    if (!selectedTemplate) return [] as Step[];
+    return mapTemplateStepsToSteps(selectedTemplate.workflowDefinition.steps);
+  }, [selectedTemplate]);
   const filteredSuggestions = useMemo(() => {
     if (selectedCategory === 'popular') {
       const popular = selectPopularByIdStrict(suggestions, (s) => s.workflowDefinition.workflowId, 12);
@@ -239,10 +242,7 @@ export function WorkflowTemplateModal(props: WorkflowTemplateModalProps) {
             ) : (
               <div className="flex h-full w-full gap-4">
                 <div className="flex-1">
-                  <WorkflowCanvas
-                    isTemplateStorePreview
-                    steps={mapTemplateStepsToSteps(selectedTemplate.workflowDefinition.steps)}
-                  />
+                  <WorkflowCanvas isTemplateStorePreview steps={previewSteps} />
                 </div>
                 <div className="border-stroke-soft w-full max-w-[300px] border-l p-3">
                   <CreateWorkflowForm onSubmit={handleCreateWorkflow} template={selectedTemplate.workflowDefinition} />

apps/dashboard/src/components/workflow-editor/steps/email/layout-select.tsx

@@ -30,6 +30,8 @@ export const LayoutSelect = () => {
       }));
   }, [data]);
 
+  // Intentionally not auto-selecting default layout here
+
   return (
     <FormField
       control={control}

apps/dashboard/src/hooks/use-create-workflow.ts

@@ -1,7 +1,8 @@
-import { type CreateWorkflowDto, WorkflowCreationSourceEnum } from '@novu/shared';
+import { type CreateWorkflowDto, StepTypeEnum, WorkflowCreationSourceEnum } from '@novu/shared';
 import { useMutation, useQueryClient } from '@tanstack/react-query';
 import { useNavigate } from 'react-router-dom';
 import { z } from 'zod';
+import { getLayouts } from '@/api/layouts';
 import { createWorkflow } from '@/api/workflows';
 import { useEnvironment } from '@/context/environment/hooks';
 import { QueryKeys } from '@/utils/query-keys';
@@ -51,9 +52,40 @@ export function useCreateWorkflow({ onSuccess }: UseCreateWorkflowOptions = {})
   });
 
   const submit = async (values: z.infer<typeof workflowSchema>, template?: CreateWorkflowDto) => {
+    let steps = template?.steps ?? [];
+
+    const isFromTemplateStore = template?.__source === WorkflowCreationSourceEnum.TEMPLATE_STORE;
+    const hasEmailWithoutLayout = steps.some(
+      (s) =>
+        s.type === StepTypeEnum.EMAIL &&
+        (!s.controlValues || (s.controlValues as Record<string, unknown>).layoutId == null)
+    );
+
+    if (isFromTemplateStore && hasEmailWithoutLayout && currentEnvironment) {
+      try {
+        const layouts = await getLayouts({
+          environment: currentEnvironment,
+          limit: 100,
+          offset: 0,
+          query: '',
+        });
+        const defaultLayoutId = layouts.layouts.find((l) => l.isDefault)?.layoutId;
+        if (defaultLayoutId) {
+          steps = steps.map((s) => {
+            if (s.type !== StepTypeEnum.EMAIL) return s;
+            const controlValues = { ...(s.controlValues || {}) } as Record<string, unknown>;
+            if (controlValues.layoutId == null) controlValues.layoutId = defaultLayoutId;
+            return { ...s, controlValues };
+          });
+        }
+      } catch {
+        // proceed without modifying steps if layouts fetch fails
+      }
+    }
+
     return mutation.mutateAsync({
       name: values.name,
-      steps: template?.steps ?? [],
+      steps,
       __source: template?.__source ?? WorkflowCreationSourceEnum.DASHBOARD,
       workflowId: values.workflowId,
       description: values.description || undefined,