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/components/providers/auth-provider.tsx

@@ -0,0 +1,27 @@
+'use client';
+
+import { useEffect } from 'react';
+import { useAuthStore } from '@/lib/auth-store';
+
+function setAuthCookie(authenticated: boolean) {
+  if (authenticated) {
+    document.cookie = 'goodgo_authenticated=1; path=/; max-age=604800; SameSite=Lax';
+  } else {
+    document.cookie = 'goodgo_authenticated=; path=/; max-age=0';
+  }
+}
+
+export function AuthProvider({ children }: { children: React.ReactNode }) {
+  const initialize = useAuthStore((s) => s.initialize);
+  const tokens = useAuthStore((s) => s.tokens);
+
+  useEffect(() => {
+    initialize();
+  }, [initialize]);
+
+  useEffect(() => {
+    setAuthCookie(!!tokens);
+  }, [tokens]);
+
+  return <>{children}</>;
+}