feat: enhance precision synchronization in trading strategies and improve order quantity normalization logic

src/exchanges/lighter/adapter.ts

@@ -2,6 +2,7 @@ import type {
   AccountListener,
   DepthListener,
   ExchangeAdapter,
+  ExchangePrecision,
   KlineListener,
   OrderListener,
   TickerListener,
@@ -124,6 +125,22 @@ export class LighterExchangeAdapter implements ExchangeAdapter {
     await this.gateway.cancelAllOrders();
   }
 
+  async getPrecision(): Promise<ExchangePrecision | null> {
+    try {
+      const precision = await this.gateway.getPrecision();
+      return {
+        priceTick: precision.priceTick,
+        qtyStep: precision.qtyStep,
+        priceDecimals: precision.priceDecimals,
+        sizeDecimals: precision.sizeDecimals,
+        marketId: precision.marketId ?? undefined,
+      };
+    } catch (error) {
+      this.logError("precision", error);
+      return null;
+    }
+  }
+
   private ensureInitialized(context?: string): Promise<void> {
     if (!this.initPromise) {
       this.initContexts.clear();