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/domain/game/entity/game_entity.dart

@@ -1,7 +1,9 @@
 part of '../game.dart';
 
 @freezed
-class Game with _$Game {
+abstract class Game with _$Game {
+  const Game._();
+
   const factory Game({
     required String id,
     required String name,
@@ -23,4 +25,11 @@ class Game with _$Game {
     createdAt: '',
     updatedAt: '',
   );
+
+  /// Biaya sekali main dalam EnakCoin (`metadata.coin_cost`), default 1.
+  int get coinCost {
+    final value = metadata['coin_cost'];
+    final cost = value is num ? value.toInt() : int.tryParse('$value');
+    return cost == null || cost <= 0 ? 1 : cost;
+  }
 }

lib/domain/game/entity/game_prize_entity.dart

@@ -1,7 +1,7 @@
 part of '../game.dart';
 
 @freezed
-class GamePrize with _$GamePrize {
+abstract class GamePrize with _$GamePrize {
   const factory GamePrize({
     required String id,
     required String gameId,

lib/domain/game/entity/spin_result_entity.dart

@@ -0,0 +1,12 @@
+part of '../game.dart';
+
+@freezed
+abstract class SpinResult with _$SpinResult {
+  const factory SpinResult({
+    required String gamePlayId,
+    required int coinsUsed,
+    required String prizeId,
+    required String prizeName,
+    required int coinsRemaining,
+  }) = _SpinResult;
+}

lib/domain/game/game.dart

@@ -7,5 +7,6 @@ part 'game.freezed.dart';
 
 part 'entity/game_entity.dart';
 part 'entity/game_prize_entity.dart';
+part 'entity/spin_result_entity.dart';
 part 'failures/game_failure.dart';
 part 'repositories/i_game_repository.dart';

lib/domain/game/repositories/i_game_repository.dart

@@ -2,4 +2,7 @@ part of '../game.dart';
 
 abstract class IGameRepository {
   Future<Either<GameFailure, Game>> ferrisWheel();
+
+  /// Main satu kali; memotong EnakCoin sebesar biaya game. Tanpa PIN.
+  Future<Either<GameFailure, SpinResult>> spin({required String gameId});
 }