Add response DTOs for withdrawal and club activation commands

src/BackOffice.BFF.Application/NetworkMembershipCQ/Queries/GetNetworkTree/GetNetworkTreeQuery.cs

@@ -0,0 +1,19 @@
+namespace BackOffice.BFF.Application.NetworkMembershipCQ.Queries.GetNetworkTree;
+
+public record GetNetworkTreeQuery : IRequest<GetNetworkTreeResponseDto>
+{
+    /// <summary>
+    /// شناسه کاربر ریشه (Root)
+    /// </summary>
+    public long RootUserId { get; init; }
+
+    /// <summary>
+    /// حداکثر عمق درخت (اختیاری، پیش‌فرض: 5)
+    /// </summary>
+    public int? MaxDepth { get; init; }
+
+    /// <summary>
+    /// فقط کاربران فعال (اختیاری)
+    /// </summary>
+    public bool? OnlyActive { get; init; }
+}

src/BackOffice.BFF.Application/NetworkMembershipCQ/Queries/GetNetworkTree/GetNetworkTreeQueryHandler.cs

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+using CMSMicroservice.Protobuf.Protos.NetworkMembership;
+
+namespace BackOffice.BFF.Application.NetworkMembershipCQ.Queries.GetNetworkTree;
+
+public class GetNetworkTreeQueryHandler : IRequestHandler<GetNetworkTreeQuery, GetNetworkTreeResponseDto>
+{
+    private readonly IApplicationContractContext _context;
+
+    public GetNetworkTreeQueryHandler(IApplicationContractContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<GetNetworkTreeResponseDto> Handle(GetNetworkTreeQuery request, CancellationToken cancellationToken)
+    {
+        var response = await _context.NetworkMemberships.GetNetworkTreeAsync(
+            request.Adapt<GetNetworkTreeRequest>(), 
+            cancellationToken: cancellationToken);
+
+        return response.Adapt<GetNetworkTreeResponseDto>();
+    }
+}

src/BackOffice.BFF.Application/NetworkMembershipCQ/Queries/GetNetworkTree/GetNetworkTreeResponseDto.cs

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+namespace BackOffice.BFF.Application.NetworkMembershipCQ.Queries.GetNetworkTree;
+
+public class GetNetworkTreeResponseDto
+{
+    /// <summary>
+    /// لیست گره‌های درخت شبکه
+    /// </summary>
+    public List<NetworkTreeNodeDto> Nodes { get; set; } = new();
+}
+
+public class NetworkTreeNodeDto
+{
+    /// <summary>
+    /// شناسه کاربر
+    /// </summary>
+    public long UserId { get; set; }
+
+    /// <summary>
+    /// نام کاربر
+    /// </summary>
+    public string UserName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// شناسه والد
+    /// </summary>
+    public long? ParentId { get; set; }
+
+    /// <summary>
+    /// موقعیت در شبکه (0=Left, 1=Right)
+    /// </summary>
+    public int NetworkLeg { get; set; }
+
+    /// <summary>
+    /// سطح در شبکه
+    /// </summary>
+    public int NetworkLevel { get; set; }
+
+    /// <summary>
+    /// وضعیت فعال/غیرفعال
+    /// </summary>
+    public bool IsActive { get; set; }
+
+    /// <summary>
+    /// تاریخ عضویت
+    /// </summary>
+    public DateTime JoinedAt { get; set; }
+}