feat(commission/payouts): add bulk wallet credit button for pending payouts

- UserPayouts.razor: add 'واریز به کیف پول' button in toolbar, enabled only when a week is selected; shows loading spinner while processing
- UserPayouts.razor.cs: implement BulkCreditWallets — confirms with dialog, calls BulkCreditPayoutsAsync, shows credited count + amount in snackbar
- BackOffice.csproj: bump Foursat.CMSMicroservice.Protobuf to 0.0.198

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

src/BackOffice/BackOffice.csproj

@@ -138,7 +138,7 @@
     
     <!-- CMS Protobuf NuGet package (used for both local dev and Docker builds) -->
     <ItemGroup>
-        <PackageReference Include="Foursat.CMSMicroservice.Protobuf" Version="0.0.197" />
+        <PackageReference Include="Foursat.CMSMicroservice.Protobuf" Version="0.0.198" />
     </ItemGroup>
     
     <!-- ============================================================ -->

src/BackOffice/Pages/Commission/UserPayouts.razor

@@ -49,6 +49,21 @@
                           StartIcon="@Icons.Material.Filled.Search">
                     جستجو
                 </MudButton>
+                <MudButton Variant="Variant.Filled"
+                          Color="Color.Success"
+                          StartIcon="@Icons.Material.Filled.AccountBalanceWallet"
+                          Disabled="@(!_filterWeekDefinitionId.HasValue || _isCreditingWallets)"
+                          OnClick="BulkCreditWallets">
+                    @if (_isCreditingWallets)
+                    {
+                        <MudProgressCircular Size="Size.Small" Indeterminate="true" Class="ms-n1 me-2" />
+                        <span>در حال واریز...</span>
+                    }
+                    else
+                    {
+                        <span>واریز به کیف پول</span>
+                    }
+                </MudButton>
             </MudStack>
         </ToolBarContent>
         <Columns>

src/BackOffice/Pages/Commission/UserPayouts.razor.cs

@@ -18,6 +18,7 @@ public partial class UserPayouts
     private long? _filterWeekDefinitionId;
     private int? _filterStatus;
     private long? _filterPackageId;
+    private bool _isCreditingWallets;
 
     private async Task<GridData<UserCommissionPayoutModel>> ServerReload(GridState<UserCommissionPayoutModel> state)
     {
@@ -147,6 +148,50 @@ public partial class UserPayouts
         }
     }
 
+    private async Task BulkCreditWallets()
+    {
+        if (!_filterWeekDefinitionId.HasValue)
+        {
+            Snackbar.Add("لطفاً ابتدا یک هفته انتخاب کنید", Severity.Warning);
+            return;
+        }
+
+        var confirmed = await DialogService.ShowMessageBox(
+            "واریز دسته‌جمعی به کیف پول",
+            $"آیا از واریز کمیسیون همه پرداخت‌های «در انتظار» هفته انتخاب‌شده به کیف پول کاربران مطمئن هستید؟ این عملیات برگشت‌پذیر نیست.",
+            yesText: "بله، واریز کن", cancelText: "لغو");
+
+        if (confirmed != true)
+            return;
+
+        _isCreditingWallets = true;
+        StateHasChanged();
+
+        try
+        {
+            var result = await CommissionContract.BulkCreditPayoutsAsync(new BulkCreditPayoutsRequest
+            {
+                WeekDefinitionId = _filterWeekDefinitionId.Value
+            });
+
+            if (result.CreditedCount == 0)
+                Snackbar.Add("هیچ پرداخت در انتظاری برای این هفته یافت نشد", Severity.Info);
+            else
+                Snackbar.Add(result.Message, Severity.Success);
+
+            await ApplyFilter();
+        }
+        catch (Exception ex)
+        {
+            Snackbar.Add($"خطا در واریز: {ex.Message}", Severity.Error);
+        }
+        finally
+        {
+            _isCreditingWallets = false;
+            StateHasChanged();
+        }
+    }
+
     private async Task RejectWithdrawal(UserCommissionPayoutModel payout)
     {
         var reason = await DialogService.ShowMessageBox(