EnakPoint & EnakCoin wallet, PIN, outlet, order, community, reward

- Wallet EnakPoint & EnakCoin: beranda, riwayat, saldo kedaluwarsa, kode
  bayar, tukar EnakCoin, transfer
- PIN (buat, ganti, lupa), outlet, riwayat order, game spin
- Halaman community, webview, coming soon, dan ikon menu beranda baru
- Redesign Reward Saya: kartu tiket, filter chip, detail kode + QR
- Hapus customer point loader, menu, dan checkout lama
- Base URL ke enaklo-pos-api.altru.id

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/infrastructure/auth/datasources/remote_data_provider.dart

@@ -17,6 +17,42 @@ class AuthRemoteDataProvider {
 
   AuthRemoteDataProvider(this._apiClient);
 
+  static const _defaultErrorMessage = 'Terjadi kesalahan coba lagi nanti';
+
+  Map? _firstError(dynamic body) {
+    final errors = body is Map ? body['errors'] : null;
+    if (errors is! List || errors.isEmpty || errors.first is! Map) return null;
+    return errors.first as Map;
+  }
+
+  /// Kode bisa dikirim sebagai string ("304") maupun int (304).
+  String? _errorCode(dynamic body) => _firstError(body)?['code']?.toString();
+
+  /// Pesan untuk error validasi (`303`/`310`) dan aturan bisnis (`304`).
+  String _errorMessage(dynamic body) {
+    final error = _firstError(body);
+    final code = error?['code']?.toString();
+    final cause = error?['cause']?.toString() ?? '';
+    final lower = cause.toLowerCase();
+
+    if (lower.contains('password') &&
+        (lower.contains('min') ||
+            lower.contains('least') ||
+            lower.contains('short'))) {
+      final length = RegExp(r'\d+').firstMatch(cause)?.group(0);
+      return length == null
+          ? 'Kata sandi terlalu pendek'
+          : 'Kata sandi minimal $length karakter';
+    }
+
+    if ((code == '303' || code == '304' || code == '310') &&
+        cause.isNotEmpty) {
+      return cause;
+    }
+
+    return _defaultErrorMessage;
+  }
+
   Future<DC<AuthFailure, CheckPhoneDto>> checkPhone({
     required String phoneNumber,
   }) async {
@@ -160,33 +196,14 @@ class AuthRemoteDataProvider {
       );
 
       if (response.data['success'] == false) {
-        if ((response.data['errors'] as List).isNotEmpty) {
-          if (response.data['errors'][0]['code'] == 900) {
-            return DC.error(
-              AuthFailure.dynamicErrorMessage(
-                'Invalid Registration, Lakukan kembali dari awal',
-              ),
-            );
-          } else if (response.data['errors'][0]['code'] == "304") {
-            return DC.error(
-              AuthFailure.dynamicErrorMessage(
-                response.data['errors'][0]['cause'],
-              ),
-            );
-          } else {
-            return DC.error(
-              AuthFailure.dynamicErrorMessage(
-                'Terjadi kesalahan coba lagi nanti',
-              ),
-            );
-          }
-        } else {
-          return DC.error(
-            AuthFailure.dynamicErrorMessage(
-              'Terjadi kesalahan coba lagi nanti',
-            ),
-          );
-        }
+        final code = _errorCode(response.data);
+        return DC.error(
+          AuthFailure.dynamicErrorMessage(
+            code == '900'
+                ? 'Invalid Registration, Lakukan kembali dari awal'
+                : _errorMessage(response.data),
+          ),
+        );
       }
 
       final dto = LoginDto.fromJson(response.data['data']);