feat(F-099): completed feature

project/src/app/build-app.ts

@@ -45,6 +45,7 @@ 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';
+import { SettingsPasswordResetMailer } from '../modules/identity/infrastructure/settings-password-reset-mailer.js';
 
 declare module 'fastify' {
   interface FastifyInstance {
@@ -185,6 +186,7 @@ export async function buildApp(deps: BuildAppDeps = {}): Promise<FastifyInstance
         cookieSecure: deps.cookieSecure,
         authenticate,
         passwordReset: {
+          mailer: new SettingsPasswordResetMailer(deps.pool as pg.Pool),
           audit: (entry) => {
             // Best-effort audit; never block the request on audit failures.
             void auditLogger