feat(client): 入库/出库录单表单（旗舰屏）斑马行 token 化 + 整屏 golden

录单明细网格斑马行 Colors.white/FFFAFAFA → surface/bg（修暗色破绽，两表单
现 0 硬编码色残留）；入库+出库录单表单整屏 golden ×三主题（桌面+移动）入回归闸，
锁住 单据信息卡 + 可编辑明细网格 + 底栏。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TSKEiHsvauyxYUW2itzUXX

client/lib/screens/stock_in/stock_in_form_screen.dart

@@ -1024,7 +1024,7 @@ class _StockInFormScreenState extends ConsumerState<StockInFormScreen> {
       children: [
         IntrinsicHeight(
           child: Container(
-            color: index.isEven ? Colors.white : const Color(0xFFFAFAFA),
+            color: index.isEven ? context.tokens.surface : context.tokens.bg,
             child:
                 Row(crossAxisAlignment: CrossAxisAlignment.center, children: [
               SizedBox(

client/lib/screens/stock_out/stock_out_form_screen.dart

@@ -757,7 +757,7 @@ class _StockOutFormScreenState extends ConsumerState<StockOutFormScreen> {
 
     return TableRow(
       decoration: BoxDecoration(
-        color: index.isEven ? Colors.white : const Color(0xFFFAFAFA),
+        color: index.isEven ? context.tokens.surface : context.tokens.bg,
       ),
       children: [
         // 序号

client/test/golden/stock_in_form_golden_test.dart

@@ -0,0 +1,88 @@
+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/models/page_result.dart';
+import 'package:jiu_client/core/auth/auth_state.dart';
+import 'package:jiu_client/models/partner.dart';
+import 'package:jiu_client/models/warehouse.dart';
+import 'package:jiu_client/models/product_option.dart';
+import 'package:jiu_client/providers/warehouse_provider.dart';
+import 'package:jiu_client/providers/partner_provider.dart';
+import 'package:jiu_client/providers/product_option_provider.dart';
+import 'package:jiu_client/screens/stock_in/stock_in_form_screen.dart';
+
+import '../support/golden_harness.dart';
+
+/// design-distill 阶段4：入库录单表单（旗舰屏）golden × 三主题。
+/// 锁住 单据信息卡 + 可编辑明细网格 + 底栏 随主题换色（含斑马行 token）。
+/// 更新基准：flutter test --update-goldens test/golden/stock_in_form_golden_test.dart
+
+const _warehouses = [
+  Warehouse(id: 1, name: '主仓', isDefault: true),
+  Warehouse(id: 2, name: '二号仓', isDefault: false),
+];
+
+class _FakeWarehouses extends WarehouseListNotifier {
+  @override
+  Future<List<Warehouse>> build() async => _warehouses;
+}
+
+class _FakeSuppliers extends PartnerListNotifier {
+  @override
+  Future<PageResult<Partner>> build() async =>
+      const PageResult(data: [], total: 0, page: 1, pageSize: 20);
+  @override
+  void setPage(int page) {}
+  @override
+  void setPageSize(int pageSize) {}
+  @override
+  void setKeyword(String keyword) {}
+  @override
+  void reload() {}
+}
+
+class _FakeNames extends ProductNameListNotifier {
+  @override
+  Future<List<ProductNameOption>> build() async => const [];
+}
+
+class _FakeSeries extends ProductSeriesListNotifier {
+  @override
+  Future<List<ProductSeriesOption>> build() async => const [];
+}
+
+class _FakeSpecs extends ProductSpecListNotifier {
+  @override
+  Future<List<ProductSpecOption>> build() async => const [];
+}
+
+List<Override> _overrides() => [
+      warehouseListProvider.overrideWith(() => _FakeWarehouses()),
+      supplierListProvider.overrideWith(() => _FakeSuppliers()),
+      productNameListProvider.overrideWith(() => _FakeNames()),
+      productSeriesListProvider.overrideWith(() => _FakeSeries()),
+      productSpecListProvider.overrideWith(() => _FakeSpecs()),
+      isReadonlyProvider.overrideWithValue(false),
+    ];
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  SharedPreferences.setMockInitialValues({});
+
+  goldenAcrossThemes(
+    'stock-in form 录单(桌面)',
+    goldenPrefix: 'stock_in_form',
+    child: () => const Scaffold(body: StockInFormScreen()),
+    overrides: _overrides,
+    logical: const Size(1280, 920),
+  );
+
+  goldenAcrossThemes(
+    'stock-in form 录单(移动)',
+    goldenPrefix: 'stock_in_form_mobile',
+    child: () => const Scaffold(body: StockInFormScreen()),
+    overrides: _overrides,
+    logical: const Size(390, 1400),
+  );
+}

client/test/golden/stock_out_form_golden_test.dart

@@ -0,0 +1,68 @@
+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/models/page_result.dart';
+import 'package:jiu_client/core/auth/auth_state.dart';
+import 'package:jiu_client/models/partner.dart';
+import 'package:jiu_client/models/warehouse.dart';
+import 'package:jiu_client/providers/warehouse_provider.dart';
+import 'package:jiu_client/providers/partner_provider.dart';
+import 'package:jiu_client/screens/stock_out/stock_out_form_screen.dart';
+
+import '../support/golden_harness.dart';
+
+/// design-distill 阶段4：出库录单表单（旗舰屏）golden × 三主题。
+/// 锁住 单据信息卡 + 可编辑明细网格 + 底栏 随主题换色（含斑马行 token）。
+/// 更新基准：flutter test --update-goldens test/golden/stock_out_form_golden_test.dart
+
+const _warehouses = [
+  Warehouse(id: 1, name: '主仓', isDefault: true),
+  Warehouse(id: 2, name: '二号仓', isDefault: false),
+];
+
+class _FakeWarehouses extends WarehouseListNotifier {
+  @override
+  Future<List<Warehouse>> build() async => _warehouses;
+}
+
+class _FakeCustomers extends PartnerListNotifier {
+  @override
+  Future<PageResult<Partner>> build() async =>
+      const PageResult(data: [], total: 0, page: 1, pageSize: 20);
+  @override
+  void setPage(int page) {}
+  @override
+  void setPageSize(int pageSize) {}
+  @override
+  void setKeyword(String keyword) {}
+  @override
+  void reload() {}
+}
+
+List<Override> _overrides() => [
+      warehouseListProvider.overrideWith(() => _FakeWarehouses()),
+      customerListProvider.overrideWith(() => _FakeCustomers()),
+      isReadonlyProvider.overrideWithValue(false),
+    ];
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  SharedPreferences.setMockInitialValues({});
+
+  goldenAcrossThemes(
+    'stock-out form 录单(桌面)',
+    goldenPrefix: 'stock_out_form',
+    child: () => const Scaffold(body: StockOutFormScreen()),
+    overrides: _overrides,
+    logical: const Size(1280, 920),
+  );
+
+  goldenAcrossThemes(
+    'stock-out form 录单(移动)',
+    goldenPrefix: 'stock_out_form_mobile',
+    child: () => const Scaffold(body: StockOutFormScreen()),
+    overrides: _overrides,
+    logical: const Size(390, 1400),
+  );
+}