refreshPurchases method

@override Future<void> refreshPurchases()

刷新购买交易信息

Implementation

@override
Future<void> refreshPurchases() async {
  safeLog('调用 refreshPurchases');
  try {
    await methodChannel.invokeMethod('refreshPurchases');
    safeLog('✅ refreshPurchases 调用成功');
  } catch (e, stackTrace) {
    safeLog('❌ refreshPurchases 失败: $e', error: e, stackTrace: stackTrace);
    rethrow;
  }
}