feat: 会员概览补充等级编码与图标，收发件人国家返回二字码

Co-authored-by: Cursor <cursoragent@cursor.com>

src/Oms.Application/Dtos/Marketing/MemberOverviewOutput.cs

@@ -4,8 +4,12 @@ public class MemberOverviewOutput
 {
     public int? MemberLevelId { get; set; }
 
+    public string? MemberLevelCode { get; set; }
+
     public string? MemberLevelName { get; set; }
 
+    public string? IconUrl { get; set; }
+
     public string? PriceTierKey { get; set; }
 
     public int TotalPoints { get; set; }

src/Oms.Application/Dtos/Orders/OrderReceiverOutput.cs

@@ -31,9 +31,9 @@ public class OrderReceiverOutput
     public string? Email { get; set; }
 
     /// <summary>
-    /// 国家/地区代码。
+    /// 国家/地区二字码。
     /// </summary>
-    public int? CountryCode { get; set; }
+    public string? CountryCode { get; set; }
 
     /// <summary>
     /// 省份。

src/Oms.Application/Dtos/Orders/OrderSenderOutput.cs

@@ -31,9 +31,9 @@ public class OrderSenderOutput
     public string? Email { get; set; }
 
     /// <summary>
-    /// 国家/地区代码。
+    /// 国家/地区二字码。
     /// </summary>
-    public int? CountryCode { get; set; }
+    public string? CountryCode { get; set; }
 
     /// <summary>
     /// 省份。

src/Oms.Application/Services/Marketing/MarketingPortalMemberService.cs

@@ -57,7 +57,9 @@ public class MarketingPortalMemberService : ApplicationService
         return new MemberOverviewOutput
         {
             MemberLevelId = currentLevel?.Id,
+            MemberLevelCode = currentLevel?.LevelCode,
             MemberLevelName = currentLevel?.LevelName,
+            IconUrl = currentLevel?.IconUrl,
             PriceTierKey = MarketingCustomerHelper.NormalizePriceTierKeyOrDefault(mainCustomer.PriceTierKey),
             TotalPoints = account.TotalPoints,
             RollingPoints = rollingPoints,

src/Oms.Application/Services/Orders/OrderService.Helpers.cs

@@ -79,6 +79,20 @@ public partial class OrderService
             : await CountryRepository.GetListAsync(x => countryCodes.Contains(x.CountryCode));
         var countryMap = countries.ToDictionary(x => x.CountryCode, StringComparer.OrdinalIgnoreCase);
 
+        var addressCountryIds = senders
+            .Select(x => x.Country)
+            .Concat(recipients.Select(x => x.Country))
+            .Where(x => x.HasValue)
+            .Select(x => x!.Value)
+            .Distinct()
+            .ToArray();
+        var addressCountries = addressCountryIds.Length == 0
+            ? []
+            : await CountryRepository.GetListAsync(x => addressCountryIds.Contains(x.Id));
+        var countryIdCodeMap = addressCountries.ToDictionary(
+            x => x.Id,
+            x => x.CountryCode ?? string.Empty);
+
         var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
             orders.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
 
@@ -252,8 +266,8 @@ public partial class OrderService
                 CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(order.CreateUserId, auditUserNameMap),
                 UpdateTime = OmsDocHelper.NullIfDefault(order.UpdateTime),
                 UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(order.UpdateUserId, auditUserNameMap),
-                Sender = MapSender(sender),
+                Sender = MapSender(sender, countryIdCodeMap),
-                Receiver = MapReceiver(recipient),
+                Receiver = MapReceiver(recipient, countryIdCodeMap),
                 Items = (items ?? []).Select(MapDeclaration).ToList(),
                 WeightList = (orderWeights ?? []).Select(MapWeight).ToList(),
                 FeeList = feeOutputs,
@@ -705,7 +719,9 @@ public partial class OrderService
             : null;
     }
 
-    private static OrderSenderOutput? MapSender(OrderSender? sender)
+    private static OrderSenderOutput? MapSender(
+        OrderSender? sender,
+        IReadOnlyDictionary<int, string> countryIdCodeMap)
     {
         return sender == null
             ? null
@@ -716,7 +732,7 @@ public partial class OrderService
                 Phone = sender.Phone,
                 TelePhone = sender.TelePhone,
                 Email = sender.Email,
-                CountryCode = sender.Country,
+                CountryCode = ResolveCountryCode(sender.Country, countryIdCodeMap),
                 Province = sender.Province,
                 City = sender.City,
                 ZipCode = sender.ZipCode,
@@ -727,7 +743,9 @@ public partial class OrderService
             };
     }
 
-    private static OrderReceiverOutput? MapReceiver(OrderRecipient? recipient)
+    private static OrderReceiverOutput? MapReceiver(
+        OrderRecipient? recipient,
+        IReadOnlyDictionary<int, string> countryIdCodeMap)
     {
         return recipient == null
             ? null
@@ -738,7 +756,7 @@ public partial class OrderService
                 Phone = recipient.Phone,
                 TelePhone = recipient.TelePhone,
                 Email = recipient.Email,
-                CountryCode = recipient.Country,
+                CountryCode = ResolveCountryCode(recipient.Country, countryIdCodeMap),
                 Province = recipient.Province,
                 City = recipient.City,
                 StreetNumber = recipient.StreetNumber,
@@ -755,6 +773,20 @@ public partial class OrderService
             };
     }
 
+    private static string? ResolveCountryCode(
+        int? countryId,
+        IReadOnlyDictionary<int, string> countryIdCodeMap)
+    {
+        if (!countryId.HasValue)
+        {
+            return null;
+        }
+
+        return countryIdCodeMap.TryGetValue(countryId.Value, out var code) && !string.IsNullOrWhiteSpace(code)
+            ? code
+            : null;
+    }
+
     private OrderItemOutput MapDeclaration(OrderDeclaration x)
     {
         return new OrderItemOutput