feat: add GetWeekDefinitions RPC and corresponding query handler for week retrieval

src/FrontOffice.BFF.Application/CommissionCQ/Queries/GetMyCommissionPayouts/GetMyCommissionPayoutsQuery.cs

@@ -6,9 +6,9 @@ namespace FrontOffice.BFF.Application.CommissionCQ.Queries.GetMyCommissionPayout
 public record GetMyCommissionPayoutsQuery : IRequest<GetMyCommissionPayoutsResponseDto>
 {
     /// <summary>
-    /// شماره هفته در فرمت ISO (مثال: "2025-W48"، null = همه)
+    /// شناسه تعریف هفته (null = همه)
     /// </summary>
-    public string? WeekNumber { get; init; }
+    public long? WeekDefinitionId { get; init; }
 
     /// <summary>
     /// وضعیت: 0=Pending, 1=Calculated, 2=Paid, 3=Withdrawn (null = همه)

src/FrontOffice.BFF.Application/CommissionCQ/Queries/GetMyCommissionPayouts/GetMyCommissionPayoutsQueryHandler.cs

@@ -28,8 +28,8 @@ public class GetMyCommissionPayoutsQueryHandler : IRequestHandler<GetMyCommissio
         };
 
         // WeekNumber is string type in proto - assign directly
-        if (!string.IsNullOrEmpty(request.WeekNumber))
-            cmsRequest.WeekNumber = request.WeekNumber;
+        if (request.WeekDefinitionId!=null)
+            cmsRequest.WeekDefinitionId = request.WeekDefinitionId;
 
         if (request.Status.HasValue)
             cmsRequest.Status = request.Status.Value; // int? type in proto
@@ -39,8 +39,8 @@ public class GetMyCommissionPayoutsQueryHandler : IRequestHandler<GetMyCommissio
         var payouts = response.Models.Select(p => new CommissionPayoutDto
         {
             Id = p.Id,
-            WeekNumber = p.WeekNumber,
-            WeekLabel = $"هفته {p.WeekNumber}",
+            WeekDefinitionId = p.WeekDefinitionId,
+            WeekDisplayName = p.WeekDisplayName,
             BalancesEarned = (int)p.BalancesEarned,
             TotalAmount = p.TotalAmount,
             AmountFormatted = FormatCurrency(p.TotalAmount),

src/FrontOffice.BFF.Application/CommissionCQ/Queries/GetMyCommissionPayouts/GetMyCommissionPayoutsResponseDto.cs

@@ -16,14 +16,14 @@ public class CommissionPayoutDto
     public long Id { get; set; }
 
     /// <summary>
-    /// شماره هفته (e.g., "2024-W45")
+    /// شناسه تعریف هفته
     /// </summary>
-    public string WeekNumber { get; set; } = string.Empty;
+    public long WeekDefinitionId { get; set; }
 
     /// <summary>
-    /// لیبل هفته (هفته 45 - آذر 1403)
+    /// نام نمایشی هفته (هفته 45 - آذر 1403)
     /// </summary>
-    public string WeekLabel { get; set; } = string.Empty;
+    public string WeekDisplayName { get; set; } = string.Empty;
 
     /// <summary>
     /// تعداد Balance کسب شده