work on new engine

apps/stock/engine/index.mjs

@@ -0,0 +1,36 @@
+// ESM wrapper for the native module
+import { createRequire } from 'module';
+import { fileURLToPath } from 'url';
+import { dirname, join } from 'path';
+
+const require = createRequire(import.meta.url);
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const nativeBinding = require(join(__dirname, 'index.node'));
+
+export const {
+  TradingEngine,
+  BacktestEngine,
+  TechnicalIndicators,
+  IncrementalSMA,
+  IncrementalEMA,
+  IncrementalRSI,
+  RiskAnalyzer,
+  OrderbookAnalyzer,
+  MarketData,
+  MarketUpdate,
+  Order,
+  Fill,
+  Position,
+  RiskLimits,
+  RiskMetrics,
+  ExecutionResult,
+  OrderBookLevel,
+  OrderBookSnapshot,
+  MarketMicrostructure,
+  PositionUpdate,
+  RiskCheckResult
+} = nativeBinding;
+
+export default nativeBinding;