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/delivery_track.dart

@@ -0,0 +1,88 @@
+// 功能描述：用户可见的隐私化配送轨迹、履约节点与人员摘要；版本：1.0.0。
+class DeliveryTrackPoint {
+  DeliveryTrackPoint.fromJson(Map<String, Object?> data)
+    : longitude = _number(data, 'longitude'),
+      latitude = _number(data, 'latitude'),
+      occurredAt = DateTime.parse(_required(data, 'occurred_at')).toLocal();
+
+  final double longitude, latitude;
+  final DateTime occurredAt;
+
+  static double _number(Map<String, Object?> data, String key) {
+    final value = data[key];
+    if (value is! num) throw FormatException('配送轨迹坐标异常：$key');
+    return value.toDouble();
+  }
+}
+
+class DeliveryTrackEvent {
+  DeliveryTrackEvent.fromJson(Map<String, Object?> data)
+    : statusCode = data['status_code'] as int? ?? 0,
+      title = _required(data, 'title'),
+      detail = _required(data, 'detail'),
+      occurredAt = DateTime.parse(_required(data, 'occurred_at')).toLocal();
+
+  final int statusCode;
+  final String title, detail;
+  final DateTime occurredAt;
+}
+
+/// 只接受服务端明确返回的本人订单事实；客户端不推算路线、位置或送达时间。
+class DeliveryTrack {
+  DeliveryTrack.fromJson(Map<String, Object?> data)
+    : identity = _required(data, 'identity'),
+      statusCode = data['status_code'] as int? ?? 0,
+      statusName = _required(data, 'status_name'),
+      statusMessage = _required(data, 'status_message'),
+      appointmentAt = DateTime.parse(_required(data, 'appointment_at')).toLocal(),
+      updatedAt = _date(data['updated_at']),
+      stationName = _text(data, 'station_name'),
+      staffName = _text(data, 'staff_name'),
+      staffAvatar = _text(data, 'staff_avatar'),
+      staffPhoneMasked = _text(data, 'staff_phone_masked'),
+      controlledCallAvailable = _flag(data, 'controlled_call_available'),
+      routeAvailable = _flag(data, 'route_available'),
+      destinationAvailable = _flag(data, 'destination_available'),
+      destinationLongitude = _optionalNumber(data['destination_longitude']),
+      destinationLatitude = _optionalNumber(data['destination_latitude']),
+      points = List.unmodifiable([
+        for (final row in data['points'] as List)
+          DeliveryTrackPoint.fromJson(Map<String, Object?>.from(row as Map)),
+      ]),
+      timeline = List.unmodifiable([
+        for (final row in data['timeline'] as List)
+          DeliveryTrackEvent.fromJson(Map<String, Object?>.from(row as Map)),
+      ]);
+
+  final String identity, statusName, statusMessage, stationName, staffName;
+  final String staffAvatar, staffPhoneMasked;
+  final int statusCode;
+  final DateTime appointmentAt;
+  final DateTime? updatedAt;
+  final bool controlledCallAvailable, routeAvailable, destinationAvailable;
+  final double? destinationLongitude, destinationLatitude;
+  final List<DeliveryTrackPoint> points;
+  final List<DeliveryTrackEvent> timeline;
+
+  static String _text(Map<String, Object?> data, String key) => data[key] as String? ?? '';
+  static String _required(Map<String, Object?> data, String key) {
+    final value = _text(data, key);
+    if (value.trim().isEmpty) throw FormatException('配送轨迹资料不完整：$key');
+    return value;
+  }
+
+  static bool _flag(Map<String, Object?> data, String key) {
+    if (data[key] is! bool) throw FormatException('配送轨迹状态异常：$key');
+    return data[key] as bool;
+  }
+
+  static double? _optionalNumber(Object? value) => value is num ? value.toDouble() : null;
+  static DateTime? _date(Object? value) =>
+      value == null ? null : DateTime.tryParse('$value')?.toLocal();
+}
+
+String _required(Map<String, Object?> data, String key) {
+  final value = data[key] as String? ?? '';
+  if (value.trim().isEmpty) throw FormatException('配送轨迹资料不完整：$key');
+  return value;
+}