diff --git a/app/Services/WorkOrderService.php b/app/Services/WorkOrderService.php
index fc295c01..98b19908 100644
--- a/app/Services/WorkOrderService.php
+++ b/app/Services/WorkOrderService.php
@@ -2480,7 +2480,6 @@ public function storeItemInspection(int $workOrderId, int $itemId, array $data):
         );
 
         // 검사 완료 시 WO 상태 자동 전이
-        // 1. waiting/pending → in_progress (아직 진행중 아니면)
         $workOrder->refresh();
         if (in_array($workOrder->status, [WorkOrder::STATUS_PENDING, WorkOrder::STATUS_WAITING])) {
             $workOrder->status = WorkOrder::STATUS_IN_PROGRESS;
@@ -2490,12 +2489,35 @@ public function storeItemInspection(int $workOrderId, int $itemId, array $data):
             $this->syncOrderStatus($workOrder, $tenantId);
         }
 
-        // 2. 모든 공정 단계 완료 확인 → WO 자동 완료
-        $this->autoCompleteWorkOrderIfAllStepsDone($workOrder, $tenantId, $userId);
+        // 재공품(STOCK): 검사 완료 = 전체 완료 (단일 부품이므로)
+        $order = $workOrder->sales_order_id
+            ? Order::withoutGlobalScopes()->find($workOrder->sales_order_id)
+            : null;
+        $isStock = $order && $order->order_type_code === 'STOCK';
+
+        if ($isStock) {
+            // 미완료 단계 일괄 완료
+            WorkOrderStepProgress::where('work_order_id', $workOrder->id)
+                ->where('status', '!=', 'completed')
+                ->update([
+                    'status' => 'completed',
+                    'completed_at' => now(),
+                    'completed_by' => $userId,
+                ]);
+
+            // WO → completed
+            if ($workOrder->status !== WorkOrder::STATUS_COMPLETED) {
+                $this->updateStatus($workOrder->id, WorkOrder::STATUS_COMPLETED);
+            }
+        } else {
+            // 일반 수주: 모든 공정 단계 완료 확인 → WO 자동 완료
+            $this->autoCompleteWorkOrderIfAllStepsDone($workOrder, $tenantId, $userId);
+        }
 
         return [
             'item_id' => $item->id,
             'inspection_data' => $item->getInspectionData(),
+            'work_order_completed' => $isStock && $workOrder->fresh()->status === WorkOrder::STATUS_COMPLETED,
         ];
     }