refactor: 調整統計基準為明細筆數，並恢復庫存查詢為單一細目顯示模式

resources/js/Pages/Inventory/StockQuery/Index.tsx

@@ -40,7 +40,6 @@ interface InventoryItem {
     last_inbound: string | null;
     last_outbound: string | null;
     statuses: string[];
-    is_grouped?: boolean;
     location: string | null;
 }
 
@@ -493,10 +492,10 @@ export default function StockQueryIndex({
                                         <TableCell>
                                             {item.warehouse_name}
                                         </TableCell>
-                                        <TableCell className="text-gray-500 text-sm italic">
+                                        <TableCell className="text-gray-500 text-sm">
                                             {item.batch_number || "—"}
                                         </TableCell>
-                                        <TableCell className="text-sm text-gray-500 italic">
+                                        <TableCell className="text-sm text-gray-500">
                                             {item.location || "—"}
                                         </TableCell>
                                         <TableCell className={`text-right font-medium ${item.quantity < 0 ? "text-red-600" : ""}`}>