diff --git a/src/components/pricing/actions.ts b/src/components/pricing/actions.ts
index 9c22bb7b..c747d8a7 100644
--- a/src/components/pricing/actions.ts
+++ b/src/components/pricing/actions.ts
@@ -88,14 +88,15 @@ interface PriceApiData {
  * API 데이터 → 프론트엔드 타입 변환
  */
 function transformApiToFrontend(apiData: PriceApiData): PricingData {
+  const item = (apiData as unknown as Record<string, unknown>).item as Record<string, unknown> | undefined;
   const product = apiData.product;
   const material = apiData.material;
 
-  const itemCode = product?.product_code || material?.item_code || `ITEM-${apiData.item_id}`;
-  const itemName = product?.product_name || material?.item_name || '품목명 없음';
+  const itemCode = (item?.code as string) || product?.product_code || material?.item_code || `ITEM-${apiData.item_id}`;
+  const itemName = (item?.name as string) || product?.product_name || material?.item_name || '품목명 없음';
   const specification = product?.specification || material?.specification || undefined;
   const unit = product?.unit || material?.unit || 'EA';
-  const itemType = product?.product_type || material?.product_type || 'PT';
+  const itemType = (item?.item_category as string) || product?.product_type || material?.product_type || 'PT';
 
   // 리비전 변환
   const revisions = apiData.revisions?.map((rev) => ({
diff --git a/src/components/production/WorkerScreen/index.tsx b/src/components/production/WorkerScreen/index.tsx
index f09ae389..c10a32db 100644
--- a/src/components/production/WorkerScreen/index.tsx
+++ b/src/components/production/WorkerScreen/index.tsx
@@ -280,12 +280,15 @@ export default function WorkerScreen() {
     return processListCache.filter((p) => p.status === '사용중');
   }, [processListCache]);
 
-  // 공정 목록 로드 후 첫 번째 공정을 기본 선택
+  // 공정 목록 로드 후 첫 번째 공정을 기본 선택 (폴백: 'screen')
   useEffect(() => {
-    if (processTabs.length > 0 && !activeTab) {
+    if (activeTab) return;
+    if (processTabs.length > 0) {
       setActiveTab(processTabs[0].id);
+    } else if (!isLoading) {
+      setActiveTab('screen');
     }
-  }, [processTabs, activeTab]);
+  }, [processTabs, activeTab, isLoading]);
 
   // 선택된 공정의 ProcessTab 키 (mock 데이터 및 기존 로직 호환용)
   const activeProcessTabKey: ProcessTab = useMemo(() => {