refactor: unify app navigation to default to HomeScreen and remove role-based routing redirection

lib/features/auth/presentation/screens/login_screen.dart

@@ -65,10 +65,7 @@ class _LoginScreenState extends ConsumerState<LoginScreen> {
     // Navigate on auth state changes
     ref.listen<AuthState>(authProvider, (previous, next) {
       if (next.status == AuthStatus.authenticated) {
-        // Agents land on /profile (defaults to "Edit Profile" tab —
-        // their dashboard/home view). Users land on /home.
-        final isAgent = next.user?.role == 'AGENT';
-        context.go(isAgent ? '/profile' : '/home');
+        context.go('/home');
       }
       // Navigate to 2FA verification screen
       if (next.requiresTwoFactor && next.tempToken != null) {