fix(preview): show actual nested workflow name in log snapshots (#3689)

* fix(preview): show actual nested workflow name in log snapshots

* fix(preview): ensure metadata.name in non-deployed child workflow path

* style(preview): fix line formatting

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/w/components/preview/preview.tsx

@@ -197,7 +197,10 @@ export function Preview({
       const childTraceSpans = extractChildTraceSpans(blockExecution)
       const childBlockExecutions = buildBlockExecutions(childTraceSpans)
 
-      const workflowName = childWorkflowState.metadata?.name || 'Nested Workflow'
+      const workflowName =
+        childWorkflowState.metadata?.name ||
+        (blockExecution?.output as { childWorkflowName?: string } | undefined)?.childWorkflowName ||
+        'Nested Workflow'
 
       setWorkflowStack((prev) => [
         ...prev,

apps/sim/executor/handlers/workflow/workflow-handler.ts

@@ -363,6 +363,10 @@ export class WorkflowBlockHandler implements BlockHandler {
     const workflowStateWithVariables = {
       ...workflowState,
       variables: workflowVariables,
+      metadata: {
+        ...(workflowState.metadata || {}),
+        name: workflowData.name || DEFAULTS.WORKFLOW_NAME,
+      },
     }
 
     if (Object.keys(workflowVariables).length > 0) {
@@ -444,13 +448,18 @@ export class WorkflowBlockHandler implements BlockHandler {
     )
 
     const workflowVariables = (wfData?.variables as Record<string, any>) || {}
+    const childName = wfData?.name || DEFAULTS.WORKFLOW_NAME
     const workflowStateWithVariables = {
       ...deployedState,
       variables: workflowVariables,
+      metadata: {
+        ...(deployedState.metadata || {}),
+        name: childName,
+      },
     }
 
     return {
-      name: wfData?.name || DEFAULTS.WORKFLOW_NAME,
+      name: childName,
       serializedState: serializedWorkflow,
       variables: workflowVariables,
       workflowState: workflowStateWithVariables,