feat(organization-chart): update statistics display and improve layout

- Updated the organization chart to include additional statistics such as left and right leg counts, tree depth, and weaker leg identification for enhanced user insights.
- Improved the layout and styling of the statistics bar for better visibility and user experience.
- Adjusted the CSS for the organization chart to refine the overall presentation and responsiveness.

These changes enhance the clarity and usability of the organization chart, providing users with essential metrics at a glance.

src/FrontOffice.Main/Utilities/NetworkMembershipDtos.cs

@@ -152,4 +152,10 @@ public class NetworkStatisticsDto
     public int TreeDepth { get; set; }
     public string WeakerLeg { get; set; } = string.Empty; // "Left" or "Right"
     public LastMemberDto? LastMember { get; set; }
+
+    /// <summary>آخرین امتیاز پای چپ/راست — فقط خود کاربر (نوار پایین شجره)</summary>
+    public int GoldLeftLegTotal { get; set; }
+    public int GoldRightLegTotal { get; set; }
+    public int SilverLeftLegTotal { get; set; }
+    public int SilverRightLegTotal { get; set; }
 }

src/FrontOffice.Main/Utilities/NetworkMembershipService.cs

@@ -96,6 +96,10 @@ public class NetworkMembershipService
                 TotalMembers = response.TotalMembers,
                 TreeDepth = response.MaxDepth,
                 WeakerLeg = response.WeakerLeg,
+                GoldLeftLegTotal = response.GoldLeftLegTotal,
+                GoldRightLegTotal = response.GoldRightLegTotal,
+                SilverLeftLegTotal = response.SilverLeftLegTotal,
+                SilverRightLegTotal = response.SilverRightLegTotal,
                 LastMember = response.LastMember != null ? new LastMemberDto
                 {
                     UserId = response.LastMember.UserId,