feat(client): 财务应收应付汇总增加往来单位搜索（两端，原型同步）

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

client/lib/screens/finance/finance_screen.dart

@@ -27,6 +27,7 @@ import '../../widgets/ds/ds_bar_chart.dart';
 import '../../widgets/ds/ds_kpi.dart';
 import '../../widgets/ds/ds_table.dart';
 import '../../widgets/ds/m_kpi_grid.dart';
+import '../../widgets/ds/m_search_row.dart';
 import '../../widgets/ds/m_sheet.dart';
 import '../../widgets/ds/status_icon_map.dart';
 import '../../widgets/finance_entry_dialog.dart';
@@ -56,6 +57,10 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
   DateTimeRange? _customRange;
   // 窄屏三分段（原型 m-finance .seg：应收 / 应付 / 流水）
   int _mSeg = 0;
+  // 应收/应付汇总卡「往来单位」搜索（本地即时过滤——financePartnerRowsProvider
+  // 全量加载非分页，搜索口径=显示口径；桌面 DsSearchBox / 移动 MSearchRow 共用）
+  final _summaryKwCtrl = TextEditingController();
+  String _summaryKw = '';
 
   static const _flowChips = ['全部', '应收', '应付', '收款', '付款'];
   static const _chipToType = {
@@ -102,7 +107,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       case '自定义':
         final picked = await showDateRangeDropdown(
           anchorContext,
-          initial: _customRange ??
+          initial:
+              _customRange ??
               DateTimeRange(start: DateTime(now.year, now.month, 1), end: now),
         );
         if (picked == null) return;
@@ -121,6 +127,21 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     ref.read(financeListProvider.notifier).setPartner(partnerId);
   }
 
+  void _setSummaryKw(String kw) => setState(() => _summaryKw = kw);
+
+  /// 汇总行本地过滤（往来单位名 contains，大小写不敏感）。
+  List<PartnerFinanceRow> _filterSummaryRows(List<PartnerFinanceRow> rows) {
+    final kw = _summaryKw.trim().toLowerCase();
+    if (kw.isEmpty) return rows;
+    return rows.where((r) => r.name.toLowerCase().contains(kw)).toList();
+  }
+
+  @override
+  void dispose() {
+    _summaryKwCtrl.dispose();
+    super.dispose();
+  }
+
   void _reload() {
     ref.read(financeListProvider.notifier).reload();
     ref.invalidate(financePartnerRowsProvider);
@@ -130,9 +151,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
   }
 
   // ── 金额格式 ──
-  String _yuan(double v) => '¥${NumberFormat.decimalPattern().format(
+  String _yuan(double v) =>
-        v == v.roundToDouble() ? v.round() : v,
+      '¥${NumberFormat.decimalPattern().format(v == v.roundToDouble() ? v.round() : v)}';
-      )}';
 
   /// KPI 大数：¥186万 / ¥48.6万（<1万显示整数元）。
   String _yuanWan(double v) {
@@ -179,19 +199,32 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
                   child: DsSeg(
                     items: const ['应收', '应付', '流水'],
                     index: _mSeg,
-                      onChanged: (i) => setState(() => _mSeg = i)),
+                    onChanged: (i) => setState(() => _mSeg = i),
                   ),
                 ),
+              ),
+              // 应收/应付分段头部往来单位搜索（同口径本地过滤）；「流水」分段
+              // 沿用上方时间行「往来单位」chip → sheet 单选，不重复放置。
+              if (_mSeg != 2) ...[
+                const SizedBox(height: 12),
+                MSearchRow(
+                  controller: _summaryKwCtrl,
+                  hint: '搜索往来单位',
+                  onChanged: _setSummaryKw,
+                ),
+              ],
               ..._mSegBody(t, flows),
             ],
           ),
         ),
       );
-      return Stack(children: [
+      return Stack(
+        children: [
           content,
           if (flowsAsync.isLoading)
             const Positioned.fill(child: DsLoadingScrim()),
-      ]);
+        ],
+      );
     }
 
     final content = Container(
@@ -209,7 +242,17 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
             _secHead(t, '收支趋势', '近 6 个月 · 单位 万元'),
             _trendChart(),
             const SizedBox(height: 22),
-            _secHead(t, '应收 / 应付 汇总', '按往来单位 · 点击行查看流水'),
+            _secHead(
+              t,
+              '应收 / 应付 汇总',
+              '按往来单位 · 点击行查看流水',
+              trailing: DsSearchBox(
+                controller: _summaryKwCtrl,
+                hint: '搜索往来单位',
+                width: 220,
+                onChanged: _setSummaryKw,
+              ),
+            ),
             _summaryTable(t, mobile),
             const SizedBox(height: 22),
             _secHead(t, '收支流水', _flowSub(flows)),
@@ -218,10 +261,13 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
         ),
       ),
     );
-    return Stack(children: [
+    return Stack(
+      children: [
         content,
-      if (flowsAsync.isLoading) const Positioned.fill(child: DsLoadingScrim()),
+        if (flowsAsync.isLoading)
-    ]);
+          const Positioned.fill(child: DsLoadingScrim()),
+      ],
+    );
   }
 
   // ── head ──
@@ -231,32 +277,42 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       child: Row(
         crossAxisAlignment: CrossAxisAlignment.end,
         children: [
-          Text('财务管理',
+          Text(
+            '财务管理',
             style: TextStyle(
               fontSize: AppDims.fsH1,
               fontWeight: FontWeight.w700,
-                  color: t.heading)),
+              color: t.heading,
+            ),
+          ),
           const SizedBox(width: AppDims.sp3),
           Expanded(
             child: Padding(
               padding: const EdgeInsets.only(bottom: 2),
-              child: Text('应收/应付概览 · $_rangeLabel',
+              child: Text(
+                '应收/应付概览 · $_rangeLabel',
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
-                  style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
+                style: TextStyle(fontSize: AppDims.fsSm, color: t.muted),
+              ),
             ),
           ),
           if (!mobile) ...[
             DsButton('刷新', icon: LucideIcons.refreshCw, onPressed: _reload),
             const SizedBox(width: 10),
-            DsButton('导出报表',
+            DsButton(
-                icon: LucideIcons.download, onPressed: () => _export(flows)),
+              '导出报表',
+              icon: LucideIcons.download,
+              onPressed: () => _export(flows),
+            ),
             const SizedBox(width: 10),
             WriteGuard(
-              child: DsButton('登记收支',
+              child: DsButton(
+                '登记收支',
                 icon: LucideIcons.plus,
                 variant: DsBtnVariant.primary,
-                  onPressed: () => showFinanceEntryDialog(context)),
+                onPressed: () => showFinanceEntryDialog(context),
+              ),
             ),
           ],
         ],
@@ -269,7 +325,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       filename: '财务流水',
       headers: ['日期', '类型', '往来单位', '金额', '关联单据', '状态', '备注'],
       rows: flows
-          .map((r) => [
+          .map(
+            (r) => [
               (r.recordDate ?? '').split('T').first,
               r.typeLabel,
               r.partnerName ?? '',
@@ -277,7 +334,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
               r.refType != null ? '${r.docTitle}#${r.refId ?? ''}' : '',
               r.status == 'open' ? '未结清' : '已结清',
               r.remark ?? '',
-              ])
+            ],
+          )
           .toList(),
     );
   }
@@ -289,18 +347,23 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     final partnerName = mobile
         ? _partnerNameById(
             ref.watch(allPartnersProvider).valueOrNull?.data ?? const [],
-            _partnerId)
+            _partnerId,
+          )
         : null;
 
     final children = <Widget>[
-      Text('时间范围', style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
+      Text(
+        '时间范围',
+        style: TextStyle(fontSize: AppDims.fsSm, color: t.muted),
+      ),
       const SizedBox(width: 12),
       for (final r in const ['本月', '本季']) ...[
         DsChip(
           label: r,
           selected: _range == r,
           caret: false,
-            onTap: () => _applyRange(r, context)),
+          onTap: () => _applyRange(r, context),
+        ),
         const SizedBox(width: 10),
       ],
       Builder(
@@ -309,7 +372,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
         builder: (anchorCtx) => DsChip(
           label: '自定义',
           selected: _range == '自定义',
-            onTap: () => _applyRange('自定义', anchorCtx)),
+          onTap: () => _applyRange('自定义', anchorCtx),
+        ),
       ),
       if (mobile) ...[
         const SizedBox(width: 10),
@@ -317,7 +381,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
           label: '往来单位',
           value: partnerName,
           onTap: _openPartnerSheet,
-            onClear: () => _setPartner(null)),
+          onClear: () => _setPartner(null),
+        ),
       ],
     ];
 
@@ -325,11 +390,13 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       children.addAll([
         const SizedBox(width: 10),
         WriteGuard(
-          child: DsButton('登记',
+          child: DsButton(
+            '登记',
             small: true,
             icon: LucideIcons.plus,
             variant: DsBtnVariant.primary,
-              onPressed: () => showFinanceEntryDialog(context)),
+            onPressed: () => showFinanceEntryDialog(context),
+          ),
         ),
       ]);
       // 窄屏内容（label+4 chip+登记）常超宽：整行横向可滚（照 _flowTable 移动
@@ -337,7 +404,9 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       return Padding(
         padding: const EdgeInsets.only(bottom: 18),
         child: SingleChildScrollView(
-            scrollDirection: Axis.horizontal, child: Row(children: children)),
+          scrollDirection: Axis.horizontal,
+          child: Row(children: children),
+        ),
       );
     }
 
@@ -357,14 +426,17 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
 
   /// 移动端「往来单位」chip → 底部 sheet 可搜索单选（D6，对齐桌面 ComboSearchField）。
   Future<void> _openPartnerSheet() async {
-    final partners = ref.read(allPartnersProvider).valueOrNull?.data ?? const [];
+    final partners =
+        ref.read(allPartnersProvider).valueOrNull?.data ?? const [];
     final options = [
-      for (final p in partners) OptionItem(id: p.id, name: p.name, code: p.code),
+      for (final p in partners)
+        OptionItem(id: p.id, name: p.name, code: p.code),
     ];
     final sel = await showMSheet<int?>(
       context,
       title: '往来单位',
-      builder: (_) => _PartnerSheetBody(options: options, selectedId: _partnerId),
+      builder: (_) =>
+          _PartnerSheetBody(options: options, selectedId: _partnerId),
     );
     if (sel == null || !mounted) return;
     // -1 = 清除选择（照 SearchableOptionField 的既有约定）
@@ -430,12 +502,14 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
         child: SingleChildScrollView(
           scrollDirection: Axis.horizontal,
           child: IntrinsicHeight(
-            child: Row(children: [
+            child: Row(
+              children: [
                 for (var i = 0; i < cards.length; i++) ...[
                   if (i > 0) const SizedBox(width: AppDims.sp3),
                   SizedBox(width: 170, child: cards[i]),
                 ],
-            ]),
+              ],
+            ),
           ),
         ),
       );
@@ -457,22 +531,30 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
   }
 
   /// 原型 .sec-head：h2 17/700 + 副标 fs-xs muted，下距 12。
-  Widget _secHead(dynamic t, String title, String sub) => Padding(
+  /// [trailing] 靠右附加控件（原型 .sec-head .sum-search，如汇总卡的往来单位搜索）。
+  Widget _secHead(dynamic t, String title, String sub, {Widget? trailing}) =>
+      Padding(
         padding: const EdgeInsets.only(bottom: 12),
         child: Row(
           crossAxisAlignment: CrossAxisAlignment.end,
           children: [
-            Text(title,
+            Text(
+              title,
               style: TextStyle(
                 fontSize: AppDims.fsH2,
                 fontWeight: FontWeight.w700,
-                    color: t.heading)),
+                color: t.heading,
+              ),
+            ),
             const SizedBox(width: 10),
             Padding(
               padding: const EdgeInsets.only(bottom: 1),
-              child: Text(sub,
+              child: Text(
-                  style: TextStyle(fontSize: AppDims.fsXs, color: t.muted)),
+                sub,
+                style: TextStyle(fontSize: AppDims.fsXs, color: t.muted),
               ),
+            ),
+            if (trailing != null) ...[const Spacer(), trailing],
           ],
         ),
       );
@@ -492,12 +574,19 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       child: child,
     );
     return trend.when(
-      loading: () => placeholder(const SizedBox(
+      loading: () => placeholder(
+        const SizedBox(
           width: 20,
           height: 20,
-          child: CircularProgressIndicator(strokeWidth: 2))),
+          child: CircularProgressIndicator(strokeWidth: 2),
-      error: (e, _) => placeholder(Text('趋势加载失败',
+        ),
-          style: TextStyle(color: t.muted, fontSize: AppDims.fsSm))),
+      ),
+      error: (e, _) => placeholder(
+        Text(
+          '趋势加载失败',
+          style: TextStyle(color: t.muted, fontSize: AppDims.fsSm),
+        ),
+      ),
       data: (points) => DsBarChart(
         groups: [
           for (final p in points)
@@ -522,35 +611,49 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     return async.when(
       loading: () => const Padding(
         padding: EdgeInsets.all(24),
-          child: Center(child: CircularProgressIndicator())),
+        child: Center(child: CircularProgressIndicator()),
-      error: (e, _) => Row(children: [
+      ),
-        Text('汇总加载失败',
+      error: (e, _) => Row(
-            style: TextStyle(color: t.muted, fontSize: AppDims.fsSm)),
+        children: [
+          Text(
+            '汇总加载失败',
+            style: TextStyle(color: t.muted, fontSize: AppDims.fsSm),
+          ),
           const SizedBox(width: 10),
-        DsButton('重试',
+          DsButton(
+            '重试',
             small: true,
-            onPressed: () => ref.invalidate(financePartnerRowsProvider)),
+            onPressed: () => ref.invalidate(financePartnerRowsProvider),
-      ]),
+          ),
-      data: (rows) => DsTable(
+        ],
+      ),
+      data: (allRows) {
+        final rows = _filterSummaryRows(allRows);
+        return DsTable(
           shrinkWrap: true,
-        emptyText: '暂无未结清的应收 / 应付',
+          emptyText: _summaryKw.trim().isEmpty ? '暂无未结清的应收 / 应付' : '没有匹配的往来单位',
           mobileCards: rows
-            .map((r) => MobileListCard(
+              .map(
+                (r) => MobileListCard(
                   title: Text(r.name),
-                  trailing: Text(signedYuan(r.net),
+                  trailing: Text(
+                    signedYuan(r.net),
                     style: TextStyle(
                       fontWeight: FontWeight.w600,
                       fontFamily: AppFonts.mono,
                       fontFamilyFallback: AppFonts.monoFallback,
                       color: r.net > 0
                           ? t.success
-                              : (r.net < 0 ? t.danger : t.text))),
+                          : (r.net < 0 ? t.danger : t.text),
+                    ),
+                  ),
                   fields: [
                     MobileCardField('应收', r.recv > 0 ? _yuan(r.recv) : '—'),
                     MobileCardField('应付', r.pay > 0 ? _yuan(r.pay) : '—'),
                   ],
                   onTap: () => showFinancePartnerDrawer(context, row: r),
-                ))
+                ),
+              )
               .toList(),
           columns: const [
             DsColumn('name', '往来单位'),
@@ -563,37 +666,54 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
             return DsRow(
               onTap: () => showFinancePartnerDrawer(context, row: r),
               cells: [
-              Text(r.name,
+                Text(
-                  style:
+                  r.name,
-                      TextStyle(fontWeight: FontWeight.w600, color: t.heading)),
+                  style: TextStyle(
-              Text(r.recv > 0 ? _yuan(r.recv) : '—',
+                    fontWeight: FontWeight.w600,
+                    color: t.heading,
+                  ),
+                ),
+                Text(
+                  r.recv > 0 ? _yuan(r.recv) : '—',
                   style: const TextStyle(
                     fontFamily: AppFonts.mono,
-                      fontFamilyFallback: AppFonts.monoFallback)),
+                    fontFamilyFallback: AppFonts.monoFallback,
-              Text(r.pay > 0 ? _yuan(r.pay) : '—',
+                  ),
+                ),
+                Text(
+                  r.pay > 0 ? _yuan(r.pay) : '—',
                   style: const TextStyle(
                     fontFamily: AppFonts.mono,
-                      fontFamilyFallback: AppFonts.monoFallback)),
+                    fontFamilyFallback: AppFonts.monoFallback,
-              Text(signedYuan(r.net),
+                  ),
+                ),
+                Text(
+                  signedYuan(r.net),
                   style: TextStyle(
                     fontFamily: AppFonts.mono,
                     fontFamilyFallback: AppFonts.monoFallback,
                     fontWeight: FontWeight.w600,
                     color: r.net > 0
                         ? t.success
-                          : (r.net < 0 ? t.danger : t.text))),
+                        : (r.net < 0 ? t.danger : t.text),
+                  ),
+                ),
                 InkWell(
                   onTap: () => showFinancePartnerDrawer(context, row: r),
-                child: Text('查看',
+                  child: Text(
+                    '查看',
                     style: TextStyle(
                       fontSize: AppDims.fsBody,
                       fontWeight: FontWeight.w600,
-                        color: t.primary)),
+                      color: t.primary,
+                    ),
+                  ),
                 ),
               ],
             );
           }).toList(),
-      ),
+        );
+      },
     );
   }
 
@@ -605,23 +725,33 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
 
   // ── 收支流水表 ──
   Widget _flowTable(
-      dynamic t, bool mobile, List<FinanceRecord> flows, int total) {
+    dynamic t,
+    bool mobile,
+    List<FinanceRecord> flows,
+    int total,
+  ) {
     final chips = [
       for (final c in _flowChips) ...[
         DsChip(
           label: c,
           selected: _flowChip == c,
           caret: false,
-            onTap: () => _setFlowChip(c)),
+          onTap: () => _setFlowChip(c),
+        ),
         const SizedBox(width: 10),
       ],
     ];
     final toolbar = mobile
         ? SingleChildScrollView(
-            scrollDirection: Axis.horizontal, child: Row(children: chips))
+            scrollDirection: Axis.horizontal,
-        : Row(children: [
+            child: Row(children: chips),
-            Text('类型',
+          )
-                style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
+        : Row(
+            children: [
+              Text(
+                '类型',
+                style: TextStyle(fontSize: AppDims.fsSm, color: t.muted),
+              ),
               const SizedBox(width: 12),
               ...chips,
               const SizedBox(width: 10),
@@ -629,9 +759,13 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
               // stock_out_list_screen.dart 客户 ComboSearchField 写法）。仅桌面
               // 工具栏放置，移动端对应筛选在 _timeRow 尾部的「往来单位」chip → sheet。
               ComboSearchField(
-              options: (ref.watch(allPartnersProvider).valueOrNull?.data ??
+                options:
+                    (ref.watch(allPartnersProvider).valueOrNull?.data ??
                             const [])
-                  .map((p) => OptionItem(id: p.id, name: p.name, code: p.code))
+                        .map(
+                          (p) =>
+                              OptionItem(id: p.id, name: p.name, code: p.code),
+                        )
                         .toList(),
                 selectedId: _partnerId,
                 hint: '往来单位',
@@ -639,13 +773,17 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
                 onChanged: _setPartner,
               ),
               const Spacer(),
-            Text('共 $total 条',
+              Text(
+                '共 $total 条',
                 style: TextStyle(
                   fontSize: AppDims.fsSm,
                   color: t.muted,
                   fontFamily: AppFonts.mono,
-                    fontFamilyFallback: AppFonts.monoFallback)),
+                  fontFamilyFallback: AppFonts.monoFallback,
-          ]);
+                ),
+              ),
+            ],
+          );
 
     return DsTable(
       shrinkWrap: true,
@@ -669,20 +807,27 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       ],
       rows: flows.map((r) {
         final isIn = r.type == 'receipt' || r.type == 'receivable';
-        return DsRow(cells: [
+        return DsRow(
-          Text((r.recordDate ?? '').split('T').first,
+          cells: [
+            Text(
+              (r.recordDate ?? '').split('T').first,
               style: const TextStyle(
                 fontFamily: AppFonts.mono,
-                  fontFamilyFallback: AppFonts.monoFallback)),
+                fontFamilyFallback: AppFonts.monoFallback,
+              ),
+            ),
             financeTypeBadge(r),
             Text((r.partnerName?.isNotEmpty == true) ? r.partnerName! : '—'),
             // 原型 .qty：+/- 前缀、恒 heading 色（不上正负色）
-          Text('${isIn ? '+' : '-'}${_yuan(r.amount.abs())}',
+            Text(
+              '${isIn ? '+' : '-'}${_yuan(r.amount.abs())}',
               style: TextStyle(
                 fontFamily: AppFonts.mono,
                 fontFamilyFallback: AppFonts.monoFallback,
                 fontWeight: FontWeight.w600,
-                  color: t.heading)),
+                color: t.heading,
+              ),
+            ),
             Text(
               r.refType != null && r.refId != null
                   ? '${r.docTitle} #${r.refId}'
@@ -691,14 +836,19 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
                 fontFamily: AppFonts.mono,
                 fontFamilyFallback: AppFonts.monoFallback,
                 fontSize: AppDims.fsSm,
-                  color: t.muted)),
+                color: t.muted,
-          Text((r.remark?.isNotEmpty == true) ? r.remark! : '—',
+              ),
-              style: TextStyle(color: t.muted)),
+            ),
+            Text(
+              (r.remark?.isNotEmpty == true) ? r.remark! : '—',
+              style: TextStyle(color: t.muted),
+            ),
             r.status == 'open'
                 ? const DsBadge('未结清', tone: DsBadgeTone.warn)
                 : const DsBadge('已结清', tone: DsBadgeTone.muted),
             _closeAction(t, r),
-        ]);
+          ],
+        );
       }).toList(),
     );
   }
@@ -715,11 +865,14 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     return WriteGuard(
       child: InkWell(
         onTap: () => _confirmClose(r),
-        child: Text('结清',
+        child: Text(
+          '结清',
           style: TextStyle(
             fontSize: AppDims.fsBody,
             fontWeight: FontWeight.w600,
-                color: t.primary)),
+            color: t.primary,
+          ),
+        ),
       ),
     );
   }
@@ -729,13 +882,17 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       context: context,
       builder: (ctx) => AlertDialog(
         title: const Text('确认结清'),
-        content: Text('确认将「${r.partnerName ?? ''} ${r.typeLabel} '
+        content: Text(
-            '${_yuan(r.amount.abs())}」标记为已结清？'),
+          '确认将「${r.partnerName ?? ''} ${r.typeLabel} '
+          '${_yuan(r.amount.abs())}」标记为已结清？',
+        ),
         actions: [
           DsButton('取消', onPressed: () => Navigator.of(ctx).pop(false)),
-          DsButton('结清',
+          DsButton(
+            '结清',
             variant: DsBtnVariant.primary,
-              onPressed: () => Navigator.of(ctx).pop(true)),
+            onPressed: () => Navigator.of(ctx).pop(true),
+          ),
         ],
       ),
     );
@@ -758,7 +915,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     final isIn = r.type == 'receipt' || r.type == 'receivable';
     return MobileListCard(
       title: Text(
-          (r.partnerName?.isNotEmpty == true) ? r.partnerName! : r.typeLabel),
+        (r.partnerName?.isNotEmpty == true) ? r.partnerName! : r.typeLabel,
+      ),
       subtitle: Text((r.recordDate ?? '').split('T').first),
       trailing: financeTypeBadge(r),
       fields: [
@@ -766,7 +924,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
         MobileCardField('状态', r.status == 'open' ? '未结清' : '已结清'),
         if (r.remark?.isNotEmpty == true) MobileCardField('备注', r.remark),
       ],
-      actions: (r.status == 'open' &&
+      actions:
+          (r.status == 'open' &&
               (r.type == 'receivable' || r.type == 'payable'))
           ? [
               WriteGuard(
@@ -799,7 +958,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
   Widget _mKpis(dynamic t) {
     final outSum = ref.watch(stockOutSummaryProvider).valueOrNull;
     final inSum = ref.watch(stockInSummaryProvider).valueOrNull;
-    final rows = ref.watch(financePartnerRowsProvider).valueOrNull ??
+    final rows =
+        ref.watch(financePartnerRowsProvider).valueOrNull ??
         const <PartnerFinanceRow>[];
     var recv = 0.0, pay = 0.0, openCount = 0;
     for (final r in rows) {
@@ -813,7 +973,8 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     final (buyDelta, buyTone) = inSum != null
         ? _momDelta(inSum.monthAmount, inSum.lastMonthAmount)
         : ('较上月 —', DsKpiDelta.neutral);
-    return MKpiGrid(items: [
+    return MKpiGrid(
+      items: [
         MKpiItem(
           label: '本月收入',
           value: outSum != null ? _yuanWan(outSum.monthAmount) : '—',
@@ -839,25 +1000,32 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
           delta: '按到期及时结清',
           deltaTone: MKpiDeltaTone.normal,
         ),
-    ]);
+      ],
+    );
   }
 
   /// 三分段列表体：m-section 计数标题 + 卡片流（应收/应付=往来汇总，流水=收支记录）。
   List<Widget> _mSegBody(dynamic t, List<FinanceRecord> flows) {
     Widget section(String title, int count) => Padding(
       padding: const EdgeInsets.fromLTRB(2, 16, 2, 8),
-          child: Text('$title · 共 $count',
+      child: Text(
+        '$title · 共 $count',
         style: TextStyle(
           fontSize: AppDims.fsSm,
           fontWeight: FontWeight.w700,
           letterSpacing: .4,
-                  color: t.muted)),
+          color: t.muted,
+        ),
+      ),
     );
-    Widget empty() => Padding(
+    Widget empty([String msg = '暂无数据']) => Padding(
       padding: const EdgeInsets.all(24),
       child: Center(
-              child: Text('暂无数据',
+        child: Text(
-                  style: TextStyle(color: t.muted, fontSize: AppDims.fsSm))),
+          msg,
+          style: TextStyle(color: t.muted, fontSize: AppDims.fsSm),
+        ),
+      ),
     );
     List<Widget> stacked(List<Widget> cards) => [
       for (var i = 0; i < cards.length; i++) ...[
@@ -880,26 +1048,31 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       loading: () => [
         const Padding(
           padding: EdgeInsets.all(24),
-            child: Center(child: CircularProgressIndicator())),
+          child: Center(child: CircularProgressIndicator()),
+        ),
       ],
       error: (e, _) => [
         Padding(
           padding: const EdgeInsets.all(24),
           child: Center(
-              child: Text('汇总加载失败',
+            child: Text(
-                  style: TextStyle(color: t.muted, fontSize: AppDims.fsSm))),
+              '汇总加载失败',
+              style: TextStyle(color: t.muted, fontSize: AppDims.fsSm),
+            ),
+          ),
         ),
       ],
       data: (rows) {
         final ar = _mSeg == 0;
-        final list = rows.where((r) => ar ? r.recv > 0 : r.pay > 0).toList();
+        final list = _filterSummaryRows(
+          rows.where((r) => ar ? r.recv > 0 : r.pay > 0).toList(),
+        );
         return [
           section(ar ? '应收账款' : '应付账款', list.length),
           if (list.isEmpty)
-            empty()
+            empty(_summaryKw.trim().isEmpty ? '暂无数据' : '没有匹配的往来单位')
           else
-            ...stacked(
+            ...stacked([for (final r in list) _mPartnerCard(t, r, ar: ar)]),
-                [for (final r in list) _mPartnerCard(t, r, ar: ar)]),
         ];
       },
     );
@@ -914,16 +1087,18 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
       trailing: Column(
         crossAxisAlignment: CrossAxisAlignment.end,
         children: [
-          DsBadge('未结清',
+          DsBadge('未结清', tone: DsBadgeTone.warn, icon: statusIcon('未结清')),
-              tone: DsBadgeTone.warn, icon: statusIcon('未结清')),
           const SizedBox(height: 6),
-          Text(_yuan(ar ? r.recv : r.pay),
+          Text(
+            _yuan(ar ? r.recv : r.pay),
             style: TextStyle(
               fontFamily: AppFonts.mono,
               fontFamilyFallback: AppFonts.monoFallback,
               fontWeight: FontWeight.w600,
               fontSize: 13,
-                  color: t.heading)),
+              color: t.heading,
+            ),
+          ),
         ],
       ),
     );
@@ -934,27 +1109,33 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     final isIn = r.type == 'receipt' || r.type == 'receivable';
     return MobileListCard(
       title: Text(
-          (r.partnerName?.isNotEmpty == true) ? r.partnerName! : r.typeLabel),
+        (r.partnerName?.isNotEmpty == true) ? r.partnerName! : r.typeLabel,
+      ),
       subtitle: Text((r.recordDate ?? '').split('T').first),
       trailing: Column(
         crossAxisAlignment: CrossAxisAlignment.end,
         children: [
-          DsBadge(r.typeLabel,
+          DsBadge(
+            r.typeLabel,
             tone: switch (r.type) {
               'receipt' => DsBadgeTone.ok,
               'payment' => DsBadgeTone.danger,
               'receivable' => DsBadgeTone.warn,
               _ => DsBadgeTone.info,
             },
-              icon: statusIcon(r.typeLabel)),
+            icon: statusIcon(r.typeLabel),
+          ),
           const SizedBox(height: 6),
-          Text('${isIn ? '+' : '-'}${_yuan(r.amount.abs())}',
+          Text(
+            '${isIn ? '+' : '-'}${_yuan(r.amount.abs())}',
             style: TextStyle(
               fontFamily: AppFonts.mono,
               fontFamilyFallback: AppFonts.monoFallback,
               fontWeight: FontWeight.w600,
               fontSize: 13,
-                  color: isIn ? t.success : t.danger)),
+              color: isIn ? t.success : t.danger,
+            ),
+          ),
         ],
       ),
     );
@@ -988,29 +1169,32 @@ class _PartnerSheetBodyState extends State<_PartnerSheetBody> {
       required String name,
       required bool selected,
       required VoidCallback onTap,
-    }) =>
+    }) => InkWell(
-        InkWell(
       onTap: onTap,
       child: Container(
         padding: const EdgeInsets.symmetric(vertical: 13, horizontal: 4),
         decoration: BoxDecoration(
           border: Border(bottom: BorderSide(color: t.borderSubtle)),
         ),
-            child: Row(children: [
+        child: Row(
+          children: [
             Expanded(
-                child: Text(name,
+              child: Text(
+                name,
                 overflow: TextOverflow.ellipsis,
                 style: TextStyle(
                   fontSize: AppDims.fsBody,
-                        fontWeight:
+                  fontWeight: selected ? FontWeight.w600 : FontWeight.w400,
-                            selected ? FontWeight.w600 : FontWeight.w400,
+                  color: selected ? t.primary : t.text,
-                        color: selected ? t.primary : t.text)),
+                ),
+              ),
             ),
             if (selected) ...[
               const SizedBox(width: 8),
               Icon(LucideIcons.check, size: 18, color: t.primary),
             ],
-            ]),
+          ],
+        ),
       ),
     );
 
@@ -1023,7 +1207,8 @@ class _PartnerSheetBodyState extends State<_PartnerSheetBody> {
             color: t.bg,
             borderRadius: BorderRadius.circular(AppDims.rMd),
           ),
-          child: Row(children: [
+          child: Row(
+            children: [
               Icon(LucideIcons.search, size: 15, color: t.faint),
               const SizedBox(width: 8),
               Expanded(
@@ -1034,13 +1219,16 @@ class _PartnerSheetBodyState extends State<_PartnerSheetBody> {
                     contentPadding: EdgeInsets.zero,
                     border: InputBorder.none,
                     hintText: '搜索往来单位…',
-                  hintStyle:
+                    hintStyle: TextStyle(
-                      TextStyle(fontSize: AppDims.fsBody, color: t.faint),
+                      fontSize: AppDims.fsBody,
+                      color: t.faint,
+                    ),
                   ),
                   onChanged: (v) => setState(() => _kw = v),
                 ),
               ),
-          ]),
+            ],
+          ),
         ),
         const SizedBox(height: 6),
         optRow(
@@ -1051,8 +1239,10 @@ class _PartnerSheetBodyState extends State<_PartnerSheetBody> {
         if (hits.isEmpty)
           Padding(
             padding: const EdgeInsets.all(20),
-            child: Text('无匹配结果',
+            child: Text(
-                style: TextStyle(color: t.muted, fontSize: AppDims.fsSm)),
+              '无匹配结果',
+              style: TextStyle(color: t.muted, fontSize: AppDims.fsSm),
+            ),
           )
         else
           for (final o in hits)

client/test/finance_summary_search_test.dart

@@ -0,0 +1,194 @@
+// test/finance_summary_search_test.dart — 财务「应收/应付 汇总」往来单位搜索回归。
+//
+// financePartnerRowsProvider（GET /finance/summary）不分页、一次性全量加载，
+// 搜索口径=显示口径：仅需验证本地 contains 过滤在已加载行上生效——桌面
+// _summaryTable 工具头 DsSearchBox / 移动 应收·应付 分段头 MSearchRow 均覆盖：
+// 1. 输入关键字 → 汇总行按往来单位名过滤，未命中不显示；
+// 2. 关键字不匹配任何行 → 展示「没有匹配的往来单位」空态；
+// 3. 清空关键字 → 恢复全量展示。
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:jiu_client/core/api/api_client.dart';
+import 'package:jiu_client/core/auth/auth_state.dart';
+import 'package:jiu_client/core/models/page_result.dart';
+import 'package:jiu_client/core/theme/themes.dart';
+import 'package:jiu_client/models/finance.dart';
+import 'package:jiu_client/models/partner.dart';
+import 'package:jiu_client/models/stock_summary.dart';
+import 'package:jiu_client/providers/finance_provider.dart';
+import 'package:jiu_client/providers/partner_provider.dart';
+import 'package:jiu_client/providers/stock_in_provider.dart';
+import 'package:jiu_client/providers/stock_out_provider.dart';
+import 'package:jiu_client/repositories/finance_repository.dart';
+import 'package:jiu_client/screens/finance/finance_screen.dart';
+import 'package:jiu_client/widgets/ds/ds_atoms.dart' show DsSearchBox;
+import 'package:jiu_client/widgets/ds/m_search_row.dart' show MSearchRow;
+
+/// 不打真实网络：仅用于满足 FinanceRepository 构造签名，方法全部被覆写。
+class _DummyApiClient extends ApiClient {
+  _DummyApiClient() : super(token: 'test-token');
+}
+
+/// 固定 3 条往来单位汇总（2 应收 + 1 应付），流水列表恒空（本测试不关心流水）。
+class _FakeFinanceRepository extends FinanceRepository {
+  _FakeFinanceRepository() : super(_DummyApiClient());
+
+  @override
+  Future<PageResult<FinanceRecord>> listRecords({
+    String? type,
+    String? month,
+    String? startDate,
+    String? endDate,
+    int? partnerId,
+    int page = 1,
+    int pageSize = 50,
+  }) async =>
+      const PageResult(data: [], total: 0, page: 1, pageSize: 50);
+
+  @override
+  Future<List<PartnerFinanceSummary>> partnerSummary() async => const [
+        PartnerFinanceSummary(
+            partnerId: 1,
+            partnerName: '华东酒类批发',
+            type: 'receivable',
+            recordCount: 2,
+            totalAmount: 128400),
+        PartnerFinanceSummary(
+            partnerId: 2,
+            partnerName: '金樽商贸',
+            type: 'receivable',
+            recordCount: 1,
+            totalAmount: 86200),
+        PartnerFinanceSummary(
+            partnerId: 3,
+            partnerName: '茅台华南经销',
+            type: 'payable',
+            recordCount: 1,
+            totalAmount: 142800),
+      ];
+
+  @override
+  Future<List<TrendPoint>> trend({int months = 6}) async => const [];
+}
+
+class _FakeAllPartners extends PartnerListNotifier {
+  @override
+  Future<PageResult<Partner>> build() async => const PageResult(
+        data: [
+          Partner(id: 1, name: '华东酒类批发', type: 'customer'),
+          Partner(id: 2, name: '金樽商贸', type: 'customer'),
+          Partner(id: 3, name: '茅台华南经销', type: 'supplier'),
+        ],
+        total: 3,
+        page: 1,
+        pageSize: 1000,
+      );
+}
+
+List<Override> _overrides() => [
+      financeRepositoryProvider.overrideWith((ref) => _FakeFinanceRepository()),
+      allPartnersProvider.overrideWith(() => _FakeAllPartners()),
+      stockOutSummaryProvider.overrideWith(
+          (ref) async => const StockSummary(monthAmount: 0, lastMonthAmount: 0)),
+      stockInSummaryProvider.overrideWith(
+          (ref) async => const StockSummary(monthAmount: 0, lastMonthAmount: 0)),
+      isReadonlyProvider.overrideWithValue(false),
+    ];
+
+Future<void> _pumpFinance(
+  WidgetTester tester, {
+  required Size size,
+}) async {
+  tester.view.physicalSize = size;
+  tester.view.devicePixelRatio = 1.0;
+  addTearDown(tester.view.resetPhysicalSize);
+  addTearDown(tester.view.resetDevicePixelRatio);
+
+  await tester.pumpWidget(ProviderScope(
+    overrides: _overrides(),
+    child: MaterialApp(
+      debugShowCheckedModeBanner: false,
+      theme: buildTheme('a'),
+      home: const Scaffold(body: FinanceScreen()),
+    ),
+  ));
+  await tester.pumpAndSettle();
+}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  SharedPreferences.setMockInitialValues({});
+
+  group('桌面汇总卡往来单位搜索', () {
+    testWidgets('输入关键字过滤汇总行，无匹配报空态，清空恢复全量', (tester) async {
+      await _pumpFinance(tester, size: const Size(1280, 900));
+
+      // 初始：3 条汇总行全部展示。
+      expect(find.text('华东酒类批发'), findsOneWidget);
+      expect(find.text('金樽商贸'), findsOneWidget);
+      expect(find.text('茅台华南经销'), findsOneWidget);
+
+      final searchField = find.descendant(
+        of: find.byType(DsSearchBox),
+        matching: find.byType(TextField),
+      );
+      expect(searchField, findsOneWidget);
+
+      // 输入「金樽」：只剩「金樽商贸」。
+      await tester.enterText(searchField, '金樽');
+      await tester.pumpAndSettle();
+      expect(find.text('金樽商贸'), findsOneWidget);
+      expect(find.text('华东酒类批发'), findsNothing);
+      expect(find.text('茅台华南经销'), findsNothing);
+
+      // 输入不存在的关键字：空态提示。
+      await tester.enterText(searchField, '不存在的单位名');
+      await tester.pumpAndSettle();
+      expect(find.text('没有匹配的往来单位'), findsOneWidget);
+      expect(find.text('金樽商贸'), findsNothing);
+
+      // 清空：恢复全量 3 行。
+      await tester.enterText(searchField, '');
+      await tester.pumpAndSettle();
+      expect(find.text('华东酒类批发'), findsOneWidget);
+      expect(find.text('金樽商贸'), findsOneWidget);
+      expect(find.text('茅台华南经销'), findsOneWidget);
+    });
+  });
+
+  group('移动应收/应付分段往来单位搜索', () {
+    testWidgets('应收分段输入关键字过滤卡片，清空恢复全量', (tester) async {
+      await _pumpFinance(tester, size: const Size(390, 1600));
+
+      // 默认「应收」分段：仅展示 recv>0 的两条（华东/金樽），不含应付的茅台。
+      expect(find.text('华东酒类批发'), findsOneWidget);
+      expect(find.text('金樽商贸'), findsOneWidget);
+      expect(find.text('茅台华南经销'), findsNothing);
+
+      final searchField = find.descendant(
+        of: find.byType(MSearchRow),
+        matching: find.byType(TextField),
+      );
+      expect(searchField, findsOneWidget);
+
+      await tester.enterText(searchField, '金樽');
+      await tester.pumpAndSettle();
+      expect(find.text('金樽商贸'), findsOneWidget);
+      expect(find.text('华东酒类批发'), findsNothing);
+
+      // 无匹配 → 分段空态。
+      await tester.enterText(searchField, '不存在的单位名');
+      await tester.pumpAndSettle();
+      expect(find.text('没有匹配的往来单位'), findsOneWidget);
+
+      // 清空恢复。
+      await tester.enterText(searchField, '');
+      await tester.pumpAndSettle();
+      expect(find.text('华东酒类批发'), findsOneWidget);
+      expect(find.text('金樽商贸'), findsOneWidget);
+    });
+  });
+}

design/CONTRACT.md

@@ -105,7 +105,7 @@ AppTokens 目前**仅颜色**。原型还驱动：
 | 基础数据(移动) | `m-products.html` | 同上窄屏(卡片流) | 同步 | ✅ golden 自比 | ✅ golden 自比 | ✅ golden 自比 |
 | 入库列表(桌/移) | `stock-in-list.html` | `stock_in_list_screen.dart` | 同步 | ✅ 副标 + 共享 StatusPill(草稿/待审/已审/已拒)；**2026-07-14 六项优化**：详情抽屉明细增加生产日期+批次号两列（抽屉加宽 660）、状态筛选改多选 chip 且默认勾选「草稿+待审核」、新建单默认填充默认仓库（原型 stock-in-list.html/stock-in.js 同步）；fidelity a 3.323% / b 2.319% / c 3.633%（均 ≤ 阈值 6%），移动 golden 自比全绿 | ✅ golden | ✅ golden |
 | 出库列表(桌/移) | `stock-out-list.html` | `stock_out_list_screen.dart` | 同步 | ✅ 副标 + 共享 StatusPill；**2026-07-14 六项优化**：详情抽屉明细同增生产日期+批次号两列（抽屉 660）、状态筛选改多选 chip 且默认「草稿+待审核」、新建单默认填充默认仓库（原型 stock-out-list.html 同步）；fidelity a 3.228% / b 2.217% / c 3.538%（均 ≤ 阈值 6%），移动 golden 自比全绿 | ✅ golden | ✅ golden |
-| 财务(桌/移) | `finance.html` | `finance_screen.dart` | 同步 | ✅ **Phase2 重建**：时间范围 chips(真实过滤)+KPI 4 卡(stock summary 环比)+收支趋势柱状图(DsBarChart, /finance/trend)+应收应付汇总(/finance/summary)+流水表+往来抽屉+登记收支(补往来单位)；**2026-07-14 六项优化**：流水表筛选新增「往来单位」下拉、时间范围统一改用通用自定义时间组件（原型 finance.html/m-finance.html 同步）；fidelity a 4.036% / b 3.131% / c 4.340%（均 ≤ 阈值 6%），移动 golden 自比全绿 | ✅ fidelity | ✅ fidelity |
+| 财务(桌/移) | `finance.html` | `finance_screen.dart` | 同步 | ✅ **Phase2 重建**：时间范围 chips(真实过滤)+KPI 4 卡(stock summary 环比)+收支趋势柱状图(DsBarChart, /finance/trend)+应收应付汇总(/finance/summary)+流水表+往来抽屉+登记收支(补往来单位)；**2026-07-14 六项优化**：流水表筛选新增「往来单位」下拉、时间范围统一改用通用自定义时间组件（原型 finance.html/m-finance.html 同步）；fidelity a 4.036% / b 3.131% / c 4.340%（均 ≤ 阈值 6%），移动 golden 自比全绿；**2026-07-14 追加**：应收/应付汇总卡头部新增「往来单位」搜索——本地即时过滤（`/finance/summary` 全量非分页，搜索口径=显示口径），桌面 `DsSearchBox`（`_secHead` trailing）/移动 应收·应付 分段头 `MSearchRow`（流水分段沿用既有 chip→sheet 单选，不重复），原型 finance.html `.sum-search` / m-finance.html 应收应付分段 `.m-search` 同步，finance 相关 6 个整屏 golden + m_finance 3 个 golden 已按新布局 `--update-goldens` | ✅ fidelity | ✅ fidelity |
 | 设备管理(桌/移) | `devices.html` | `device_management_screen.dart` | 同步 | ✅ **Phase2 重建**：会话表(DsTable)+外设卡网格(custom_fields.peripherals 本地存档)+打印模板；fidelity 2.4–3.0%≤8% | ✅ fidelity | ✅ fidelity |
 | 系统设置(桌/移) | `settings.html` | `settings_screen.dart` | 同步 | ✅ **Phase2 重建**；假「系统参数」已删；fidelity 1.7–2.3%≤8%；**2026-07-10 授权管理面板迁出**（提升为独立一级屏 `license.html`），subnav 剩 门店信息/用户管理/偏好——**真实端已同步完成**（`settings_screen.dart` 子导航同步摘除授权管理项，golden 已按新态重生成，见授权管理两行） | ✅ fidelity | ✅ fidelity |
 | 用户管理(桌/移) | `users.html` | `users_screen.dart`（`/settings/users`） | 同步 | ✅ **Phase2 新独立页**：KPI 4 卡+搜索/角色筛选+rcard 弹窗，角色四级拉平；fidelity 1.3–2.1%≤8% | ✅ fidelity | ✅ fidelity |

design/prototype/screens/finance.html

@@ -28,6 +28,8 @@
   .sec-head{display:flex; align-items:baseline; gap:10px; margin:0 0 12px;}
   .sec-head h2{margin:0; font-size:var(--fs-h2); color:var(--heading); font-weight:700;}
   .sec-head .sh-sub{font-size:var(--fs-xs); color:var(--muted);}
+  /* 汇总卡头部往来单位搜索（即时本地过滤，非 combo 单选） */
+  .sec-head .sum-search{margin-left:auto; width:220px; align-self:center;}
   .block{margin-bottom:22px;}
 
   /* ====== 新增原子：条形图 .barchart / .bar ====== */
@@ -108,7 +110,9 @@
 
       <!-- 4. 应收/应付 汇总表 -->
       <div class="block">
-        <div class="sec-head"><h2>应收 / 应付 汇总</h2><span class="sh-sub">按往来单位 · 点击行查看流水</span></div>
+        <div class="sec-head"><h2>应收 / 应付 汇总</h2><span class="sh-sub">按往来单位 · 点击行查看流水</span>
+          <div class="searchbox sum-search"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg><input id="sumSearch" placeholder="搜索往来单位…" oninput="sumKw=this.value; buildSummary();"></div>
+        </div>
         <div class="table"><table>
           <thead><tr><th>往来单位</th><th class="num">应收</th><th class="num">应付</th><th class="num">净额</th><th class="act">操作</th></tr></thead>
           <tbody id="sumBody"></tbody>
@@ -181,19 +185,23 @@ const SUMMARY=[
   {name:'川渝糖酒集团',recv:0,pay:60400}
 ];
 function yuan(n){ return '¥'+n.toLocaleString(); }
+// 汇总卡「往来单位」搜索：本地即时过滤（数据已全量加载，非服务端分页，搜索口径=显示口径）
+let sumKw='';
 function buildSummary(){
-  document.getElementById('sumBody').innerHTML=SUMMARY.map((s,i)=>{
+  const q=sumKw.trim().toLowerCase();
+  const rows=SUMMARY.map((s,i)=>({...s,i})).filter(s=>!q||s.name.toLowerCase().includes(q));
+  document.getElementById('sumBody').innerHTML=rows.length?rows.map(s=>{
     const net=s.recv-s.pay;
     const netCls=net>0?'net-pos':(net<0?'net-neg':'');
     const netTxt=(net>0?'+':'')+yuan(net);
-    return `<tr class="click" onclick="openPartner(${i})">
+    return `<tr class="click" onclick="openPartner(${s.i})">
       <td class="pname">${s.name}</td>
       <td class="num">${s.recv?yuan(s.recv):'—'}</td>
       <td class="num">${s.pay?yuan(s.pay):'—'}</td>
       <td class="num ${netCls}">${netTxt}</td>
-      <td class="act" onclick="event.stopPropagation()"><span class="link" onclick="openPartner(${i})">查看</span></td>
+      <td class="act" onclick="event.stopPropagation()"><span class="link" onclick="openPartner(${s.i})">查看</span></td>
     </tr>`;
-  }).join('');
+  }).join(''):`<tr><td colspan="5"><div class="empty">没有匹配的往来单位</div></td></tr>`;
 }
 
 /* ---- 5. 收支流水 ---- */

design/prototype/screens/m-finance.html

@@ -38,6 +38,9 @@
       <div class="k"><div class="kl">应付合计</div><div class="kv">¥9.6万</div><div class="kd warn">5 笔未结</div></div>
     </div>
     <div class="seg" style="width:100%; margin-top:14px"><button class="on" style="flex:1" onclick="setTab('ar')">应收</button><button style="flex:1" onclick="setTab('ap')">应付</button><button style="flex:1" onclick="setTab('flow')">流水</button></div>
+    <!-- 应收/应付分段头部往来单位搜索（同口径本地过滤，仅 ar/ap 显示；流水分段
+         沿用上方时间行「往来单位」chip → sheet 单选，不重复） -->
+    <div class="m-search" id="sumSearchRow" style="margin-top:12px"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg><input id="sumKwInput" placeholder="搜索往来单位…" oninput="sumKw=this.value; render();"></div>
     <div class="m-section" id="cnt">应收账款</div>
     <div id="list"></div>
   </div>
@@ -100,15 +103,22 @@ function drawPartnerOpts(kw){
 }
 function setFlowParty(v){ flowParty=v; closeSheet(); render(); }
 
+// 应收/应付分段「往来单位」搜索：本地即时过滤（数据已全量加载，搜索口径=显示口径）
+let sumKw='';
 function render(){
   const cfg={ar:['应收账款',AR],ap:['应付账款',AP],flow:['资金流水',FLOW]}[tab];
   // 往来单位筛选仅作用于「流水」分段（对应真实端 financeListProvider.setPartner 只过滤流水表）
-  const rows=tab==='flow'?cfg[1].filter(r=>flowParty==='全部'||r.party.split(' · ')[0]===flowParty):cfg[1];
+  let rows=tab==='flow'?cfg[1].filter(r=>flowParty==='全部'||r.party.split(' · ')[0]===flowParty):cfg[1];
+  document.getElementById('sumSearchRow').style.display=tab==='flow'?'none':'flex';
+  if(tab!=='flow'){
+    const q=sumKw.trim().toLowerCase();
+    if(q) rows=rows.filter(r=>r.party.toLowerCase().includes(q));
+  }
   document.getElementById('cnt').textContent=`${cfg[0]} · 共 ${rows.length}`;
-  document.getElementById('list').innerHTML=rows.map(r=>`<div class="m-card"><div class="m-row">
+  document.getElementById('list').innerHTML=rows.length?rows.map(r=>`<div class="m-card"><div class="m-row">
     <div class="mc-main"><div class="mc-nm">${r.party}</div><div class="mc-sub">${r.date}</div></div>
     <div class="mc-right"><span class="badge b-${r.status}">${r.status}</span><span class="mc-amt">${r.amt}</span></div>
-  </div></div>`).join('');
+  </div></div>`).join(''):`<div class="m-empty"><svg viewBox="0 0 24 24"><use href="#i-box"/></svg>${tab==='flow'?'暂无数据':'没有匹配的往来单位'}</div>`;
   document.getElementById('partyVal').textContent=flowParty==='全部'?'':flowParty;
   document.getElementById('chipParty').classList.toggle('on',flowParty!=='全部');
 }