feat(platform): add CRM SMS and payment settings

Tiku.Infrastructure/PlatformBilling/PlatformBillingPaymentGateway.cs

@@ -4,6 +4,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Tiku.Application.Commerce;
 using Tiku.Application.PlatformBilling;
 using Tiku.Application.Security;
+using Tiku.Domain.Platform;
 using Tiku.Domain.Tenancy;
 using Tiku.Infrastructure.Persistence;
 
@@ -68,8 +69,17 @@ internal sealed class PlatformBillingPaymentGateway(
                 }
                 else
                 {
-                    account = await services.GetRequiredService<IPaymentProviderConfigService>()
-                        .GetActiveAccountAsync(platformTenantId, normalized, token);
+                    var channel = await dbContext.PlatformPaymentChannels.AsNoTracking()
+                        .Where(value => value.Provider == normalized && value.Status == PlatformPaymentChannelStatus.Active)
+                        .OrderBy(value => value.Priority)
+                        .FirstOrDefaultAsync(token)
+                        ?? throw new PaymentProviderException("Platform payment channel is missing.", "platform_payment_channel_missing");
+                    account = new PaymentProviderAccount(
+                        platformTenantId,
+                        normalized,
+                        channel.Mode,
+                        channel.ConfigPublic,
+                        JsonDocument.Parse("{}").RootElement.Clone());
                 }
 
                 return await operation(resolvedProvider, account, token);