已完成用户APP首期功能开发

交付用户端首期页面、配套接口、后台资源及测试文档。用户APP构建、静态分析和三个管理后台构建通过；完整测试仍有2项失败，后端模型注释检查未通过，详见交付记录。

apps/user_app/lib/domain/models/shipping_address.dart

@@ -0,0 +1,40 @@
+// 功能描述：用户收货地址模型，列表脱敏展示、编辑使用本人完整数据。
+// 版本：1.0.0。
+class ShippingAddress {
+  const ShippingAddress({
+    this.identity = '',
+    required this.address,
+    required this.contactName,
+    required this.contactPhone,
+    this.longitude = '',
+    this.latitude = '',
+    this.isDefault = false,
+  });
+  final String identity, address, contactName, contactPhone, longitude, latitude;
+  final bool isDefault;
+
+  /// 从兼容地址响应读取字段；历史空联系人在编辑时要求补齐。
+  factory ShippingAddress.fromJson(Map<String, Object?> json) => ShippingAddress(
+    identity: json['identity'] as String? ?? '',
+    address: json['address'] as String? ?? '',
+    contactName: json['contact_name'] as String? ?? '',
+    contactPhone: json['contact_phone'] as String? ?? '',
+    longitude: json['longitude'] as String? ?? '',
+    latitude: json['latitude'] as String? ?? '',
+    isDefault: json['is_default'] == true,
+  );
+
+  String get maskedPhone => contactPhone.length == 11
+      ? '${contactPhone.substring(0, 3)}****${contactPhone.substring(7)}'
+      : contactPhone;
+
+  /// 保存地址的完整字段；不接收内部账户编号。
+  Map<String, Object?> toJson() => {
+    'address': address,
+    'contact_name': contactName,
+    'contact_phone': contactPhone,
+    'longitude': longitude,
+    'latitude': latitude,
+    'is_default': isDefault,
+  };
+}