diff --git a/app/Services/WorkOrderService.php b/app/Services/WorkOrderService.php
index 551eee97..fc295c01 100644
--- a/app/Services/WorkOrderService.php
+++ b/app/Services/WorkOrderService.php
@@ -2479,6 +2479,20 @@ public function storeItemInspection(int $workOrderId, int $itemId, array $data):
             ['item_id' => $itemId, 'inspection_data' => $inspectionData]
         );
 
+        // 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;
+            $workOrder->started_at = $workOrder->started_at ?? now();
+            $workOrder->updated_by = $userId;
+            $workOrder->save();
+            $this->syncOrderStatus($workOrder, $tenantId);
+        }
+
+        // 2. 모든 공정 단계 완료 확인 → WO 자동 완료
+        $this->autoCompleteWorkOrderIfAllStepsDone($workOrder, $tenantId, $userId);
+
         return [
             'item_id' => $item->id,
             'inspection_data' => $item->getInspectionData(),
@@ -4256,6 +4270,18 @@ public function registerMaterialInputForItem(int $workOrderId, int $itemId, arra
                 ]
             );
 
+            // 자재 투입 시 WO 상태 자동 전이: waiting/pending → in_progress
+            $workOrder->refresh();
+            if (in_array($workOrder->status, [WorkOrder::STATUS_PENDING, WorkOrder::STATUS_WAITING])) {
+                $workOrder->status = WorkOrder::STATUS_IN_PROGRESS;
+                $workOrder->started_at = $workOrder->started_at ?? now();
+                $workOrder->updated_by = $userId;
+                $workOrder->save();
+
+                // 수주 상태 동기화 (IN_PRODUCTION)
+                $this->syncOrderStatus($workOrder, $tenantId);
+            }
+
             return [
                 'work_order_id' => $workOrderId,
                 'work_order_item_id' => $itemId,