优化用户端首页服务归属展示

apps/user_app/tool/home_visual_preview.dart

@@ -0,0 +1,62 @@
+// 功能描述：使用固定示例数据启动用户端首页，供本地视觉验收使用。
+// 版本：1.0.0
+import 'package:flutter/material.dart';
+import 'package:user_app/data/repositories/client_repository.dart';
+import 'package:user_app/data/services/api_client.dart';
+import 'package:user_app/domain/models/client_models.dart';
+import 'package:user_app/ui/core/app_theme.dart';
+import 'package:user_app/ui/features/home/home_page.dart';
+
+/// 启动不依赖账号和网络的首页视觉预览。
+void main() {
+  runApp(const _HomeVisualPreviewApp());
+}
+
+/// 首页视觉预览应用。
+class _HomeVisualPreviewApp extends StatelessWidget {
+  const _HomeVisualPreviewApp();
+
+  @override
+  Widget build(BuildContext context) => MaterialApp(
+    debugShowCheckedModeBanner: false,
+    theme: AppTheme.light(),
+    home: Scaffold(
+      body: HomePage(repository: _VisualClientRepository()),
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: 0,
+        destinations: const [
+          NavigationDestination(
+            icon: Icon(Icons.home_outlined),
+            selectedIcon: Icon(Icons.home),
+            label: '首页',
+          ),
+          NavigationDestination(icon: Icon(Icons.shopping_bag_outlined), label: '商城'),
+          NavigationDestination(icon: Icon(Icons.receipt_long_outlined), label: '订单'),
+          NavigationDestination(icon: Icon(Icons.person_outline), label: '我的'),
+        ],
+      ),
+    ),
+  );
+}
+
+/// 提供稳定首页数据，避免视觉预览依赖真实账号和服务接口。
+class _VisualClientRepository extends ClientRepository {
+  _VisualClientRepository() : super(ApiClient(() => ''));
+
+  @override
+  Future<List<ClientRecord>> contents() async => List.generate(
+    6,
+    (index) => ClientRecord(
+      identity: 'notice-${9 - index}',
+      title: '模拟公告 ${9 - index}',
+      subtitle: 'notice',
+      raw: const {},
+    ),
+  );
+
+  @override
+  Future<Map<String, Object?>> serviceRelation() async => const {
+    'gas_name': '和气城南气站',
+    'delivery_name': '安顺路配送点',
+  };
+}