feat(F-171): completed feature

project/src/app/build-app.ts

@@ -41,7 +41,7 @@ import { PgPaymentMethodRepository } from '../modules/pos/infrastructure/pg-paym
 import { PgCashSessionRepository } from '../modules/pos/infrastructure/pg-cash-session-repository.js';
 import { registerCheckoutRoutes } from '../modules/checkout/index.js';
 import { registerPaymentsRoutes } from '../modules/payments/index.js';
-import { registerNotificationsRoutes } from '../modules/notifications/index.js';
+import { registerNotificationsRoutes, SettingsEmailProvider } from '../modules/notifications/index.js';
 import { registerReportingRoutes } from '../modules/reporting/index.js';
 import { registerPosRoutes } from '../modules/pos/api/pos.routes.js';
 import { registerReviewsRoutes } from '../modules/reviews/index.js';
@@ -52,7 +52,6 @@ import { AuditLogger, RateLimiter, registerSecurityRoutes } from '../modules/sec
 import { getLogBroadcaster } from '../infrastructure/logging/log-broadcaster.js';
 import { registerAdminStatsRoutes } from '../modules/admin-stats/index.js';
 import { createInMemoryTelemetry, registerMetricsRoutes } from '../modules/observability/index.js';
-import { LoggingEmailProvider } from '../modules/notifications/index.js';
 import { createFlagStore, type FeatureFlagProvider } from '../modules/flags/index.js';
 import { AppError, errorEnvelope } from '../shared/errors.js';
 import { createLogger, type Logger } from '../infrastructure/logging/logger.js';
@@ -362,7 +361,7 @@ export async function buildApp(deps: BuildAppDeps = {}): Promise<FastifyInstance
       await registerNotificationsRoutes(instance, {
         pool: deps.pool as pg.Pool,
         authenticate: combinedAuth,
-        emailProvider: new LoggingEmailProvider(),
+        emailProvider: new SettingsEmailProvider(deps.pool as pg.Pool),
       });
     });