feat(client): 入库/出库加搜索框，入库/出库/库存加刷新按钮

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZ4DskSRKsSiheQonFtQvx

client/lib/screens/stock_in/stock_in_list_screen.dart

@@ -39,6 +39,7 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
   Set<String> _filterWarehouse = {};
   Set<String> _filterSupplier = {};
   Set<String>? _hiddenCols; // null = 尚未载入本地存档（回退到 minWidth 首次默认）
+  final _searchCtrl = TextEditingController();
 
   static const _screenId = 'stock_in_list';
 
@@ -71,6 +72,15 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
     });
   }
 
+  @override
+  void dispose() {
+    _searchCtrl.dispose();
+    super.dispose();
+  }
+
+  void _triggerSearch() =>
+      ref.read(stockInListProvider.notifier).setKeyword(_searchCtrl.text.trim());
+
   String? get _startDate => _dateRange != null
       ? '${_dateRange!.start.year}-${_dateRange!.start.month.toString().padLeft(2, '0')}-${_dateRange!.start.day.toString().padLeft(2, '0')}'
       : null;
@@ -352,6 +362,27 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
               )
             : null;
 
+        final searchField = TextField(
+          controller: _searchCtrl,
+          decoration: InputDecoration(
+            hintText: '单号/往来单位，回车搜索',
+            prefixIcon: const Icon(Icons.search, size: 16),
+            hintStyle: const TextStyle(fontSize: 12),
+            suffixIcon: IconButton(
+              icon: const Icon(Icons.search, size: 16),
+              tooltip: '搜索',
+              onPressed: _triggerSearch,
+            ),
+          ),
+          onSubmitted: (_) => _triggerSearch(),
+        );
+
+        final refreshBtn = IconButton(
+          tooltip: '刷新',
+          icon: const Icon(Icons.refresh, size: 20),
+          onPressed: () => ref.read(stockInListProvider.notifier).reload(),
+        );
+
         final dateBtn = OutlinedButton.icon(
           onPressed: _pickDateRange,
           icon: const Icon(Icons.date_range, size: 16),
@@ -374,28 +405,36 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
             : null;
 
         if (isMobile) {
-          return Wrap(
-            spacing: 8,
-            runSpacing: 4,
-            crossAxisAlignment: WrapCrossAlignment.center,
+          return Column(
+            mainAxisSize: MainAxisSize.min,
             children: [
-              if (newBtn != null) newBtn,
-              if (statusFilter != null) statusFilter,
-              dateBtn,
-              if (clearDate != null) clearDate,
-              IconButton(
-                tooltip: '导出',
-                icon: const Icon(Icons.download, size: 20),
-                onPressed: doExport,
-              ),
-              ColumnToggleButton(
-                columns: _colDefs,
-                hidden: hidden,
-                compact: true,
-                onChanged: (v) {
-                  setState(() => _hiddenCols = v);
-                  ColumnPrefs.save(_screenId, v);
-                },
+              searchField,
+              const SizedBox(height: 8),
+              Wrap(
+                spacing: 8,
+                runSpacing: 4,
+                crossAxisAlignment: WrapCrossAlignment.center,
+                children: [
+                  if (newBtn != null) newBtn,
+                  if (statusFilter != null) statusFilter,
+                  dateBtn,
+                  if (clearDate != null) clearDate,
+                  IconButton(
+                    tooltip: '导出',
+                    icon: const Icon(Icons.download, size: 20),
+                    onPressed: doExport,
+                  ),
+                  ColumnToggleButton(
+                    columns: _colDefs,
+                    hidden: hidden,
+                    compact: true,
+                    onChanged: (v) {
+                      setState(() => _hiddenCols = v);
+                      ColumnPrefs.save(_screenId, v);
+                    },
+                  ),
+                  refreshBtn,
+                ],
               ),
             ],
           );
@@ -403,6 +442,8 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
 
         return Row(
           children: [
+            SizedBox(width: 220, child: searchField),
+            const SizedBox(width: 12),
             if (newBtn != null) newBtn,
             const Spacer(),
             if (statusFilter != null) ...[
@@ -429,6 +470,7 @@ class _StockInListScreenState extends ConsumerState<StockInListScreen> {
                 ColumnPrefs.save(_screenId, v);
               },
             ),
+            refreshBtn,
           ],
         );
       }),