feat(notifications): add multi-channel notification module with Email, FCM, templates, and event listeners

- Domain: NotificationLog/NotificationPreference entities, repositories, channel value object
- Infrastructure: EmailService (nodemailer/SMTP), FcmService (firebase-admin), TemplateService (Handlebars)
- Application: SendNotification CQRS command, UserRegistered + AgentVerified event listeners
- Presentation: NotificationsController with history, preferences, and templates endpoints
- Prisma: NotificationLog and NotificationPreference models with proper indexes
- Templates: Vietnamese notification templates for user.registered, agent.verified, listing.approved, inquiry.received, password.reset

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/lib/auth-api.ts

@@ -0,0 +1,42 @@
+import { apiClient } from './api-client';
+
+export interface TokenPair {
+  accessToken: string;
+  refreshToken: string;
+  expiresIn: number;
+}
+
+export interface UserProfile {
+  id: string;
+  email: string | null;
+  phone: string;
+  fullName: string;
+  avatarUrl: string | null;
+  role: string;
+  kycStatus: string;
+  isActive: boolean;
+  createdAt: string;
+}
+
+export interface RegisterPayload {
+  phone: string;
+  password: string;
+  fullName: string;
+  email?: string;
+}
+
+export interface LoginPayload {
+  phone: string;
+  password: string;
+}
+
+export const authApi = {
+  register: (data: RegisterPayload) => apiClient.post<TokenPair>('/auth/register', data),
+
+  login: (data: LoginPayload) => apiClient.post<TokenPair>('/auth/login', data),
+
+  refresh: (refreshToken: string) =>
+    apiClient.post<TokenPair>('/auth/refresh', { refreshToken }),
+
+  getProfile: (token: string) => apiClient.authGet<UserProfile>('/auth/profile', token),
+};