feat(client): 出入库单详情抽屉明细增加生产日期+批次号列（两端，抽屉加宽 660，原型同步）

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

client/lib/screens/stock_in/stock_in_list_screen.dart

@@ -414,7 +414,8 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
                     // 下拉刷新 = 桌面「刷新」
                     onRefresh: () async {
                       ref.read(stockInListProvider.notifier).reload();
-                      await Future<void>.delayed(const Duration(milliseconds: 600));
+                      await Future<void>.delayed(
+                          const Duration(milliseconds: 600));
                     },
                     mobileCards:
                         orders.map((o) => _orderCard(context, o)).toList(),
@@ -995,6 +996,10 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
                 price: it.costPrice == 0 ? '待定价' : _num.format(it.costPrice),
                 amount: it.costAmount == 0 ? '待定价' : _num.format(it.costAmount),
                 pending: it.costPrice == 0,
+                productionDate: it.productionDate != null
+                    ? it.productionDate!.substring(0, 10)
+                    : null,
+                batchNo: it.batchNo,
               ))
           .toList(),
       totalText: o.costTotal != null ? _money.format(o.costTotal) : '—',

client/lib/screens/stock_out/stock_out_list_screen.dart

@@ -1076,6 +1076,10 @@ class _StockOutListScreenState extends ConsumerState<StockOutListScreen> {
           cost: admin ? _num.format(it.costPrice) : null,
           profit: admin ? (pending ? '待定价' : _num.format(profit)) : null,
           pending: pending,
+          productionDate: it.productionDate != null
+              ? it.productionDate!.substring(0, 10)
+              : null,
+          batchNo: it.batchNo,
         );
       }).toList(),
       totalText: o.saleTotal != null ? _money.format(o.saleTotal) : '—',