refactor(FE-212): enhance approval step logic in PurchaseOrderStaffApprovalForm for better item management

src/components/pages/inventory/movement/form/MovementForm.tsx

@@ -891,7 +891,7 @@ const MovementForm = ({ type = 'add', initialValues }: MovementFormProps) => {
                       toast.error(
                         `Tidak bisa memilih gudang yang sama. Gudang asal tidak boleh sama dengan ${destinationWarehouseName}.`
                       );
-                      return; // Prevent setting the value
+                      return;
                     }
                   }
 

src/components/pages/purchase/form/order/PurchaseOrderStaffApprovalForm.tsx

@@ -60,14 +60,23 @@ const PurchaseOrderStaffApprovalForm = ({
       return 'add';
     }
 
-    const firstApproval = rawDataApprovals[0];
-    const hasOnlyInitialStep =
-      rawDataApprovals.length === 1 &&
-      firstApproval?.step_number === 1 &&
-      ('action' in firstApproval ? firstApproval.action === 'CREATED' : false);
+    const currentStep = initialValues?.approval?.step_number || 1;
 
-    return hasOnlyInitialStep ? 'add' : 'edit';
-  }, [rawDataApprovals, propType]);
+    switch (currentStep) {
+      case 1:
+        // Step 1 (Pengajuan) - Ini dari @PurchaseRequestForm
+        return 'add';
+      case 2:
+        // Step 2 (Staff Purchase) - Staff approval pertama kali
+        return 'add';
+      case 3:
+        // Step 3 (Manager Purchase) - Manager approval, boleh edit/delete/add items
+        return 'edit';
+      default:
+        // Step 4+ (Penerimaan Barang dan selesai), tidak boleh edit kalau sudah disetujui
+        return 'edit';
+    }
+  }, [rawDataApprovals, propType, initialValues?.approval?.step_number]);
 
   const router = useRouter();
   const searchParams = useSearchParams();
@@ -93,8 +102,16 @@ const PurchaseOrderStaffApprovalForm = ({
     if (!initialValues?.approval) return false;
 
     const currentStep = initialValues.approval.step_number;
-    return currentStep < 4;
-  }, [initialValues?.approval]);
+
+    // Step 2 (Staff Purchase) dengan mode 'add' tidak boleh add/delete items
+    // User hanya boleh input harga dan total harga untuk items yang sudah ada
+    if (currentStep === 2 && type === 'add') {
+      return false;
+    }
+
+    // Step 3 (Manager Purchase) boleh add/delete items
+    return currentStep === 3;
+  }, [initialValues?.approval, type]);
 
   const isRepeaterInputError = (
     idx: number,