import '../core/api_client.dart'; class SystemSettingsService { final ApiClient _api; SystemSettingsService(this._api); Future> getWalletSettings() async { final res = await _api.get>('/admin/system-settings/wallet'); final body = res.data as Map; return Map.from(body['data'] as Map); } Future> setWalletBaseCurrencyCode(String code) async { final res = await _api.put>('/admin/system-settings/wallet', data: { 'wallet_base_currency_code': code, }); final body = res.data as Map; return Map.from(body['data'] as Map); } }