fix(ledger): 修复 portfolio 接口组装时 avgCost 变量未定义的 ReferenceError

src/actions/portfolio.ts

@@ -24,6 +24,8 @@ interface Position {
   realizedPnlCny: string;
   avgCost: string;
   dilutedCost: string;
+  floatingPnl: string;
+  accumulatedPnl: string;
   holdingDays: number;
   exchange: string;
   accumulatedDividendsCny: string;
@@ -366,8 +368,10 @@ export async function getPortfolioPositions(): Promise<Position[]> {
       totalBuyCost: holding.totalBuyCostCny.toString(),
       totalBuyQuantity: holding.totalBuyQuantity.toString(),
       realizedPnlCny: holding.realizedPnlCny.toString(),
-      avgCost: avgCost.toString(),
-      dilutedCost: dilutedCost.toString(),
+      avgCost: metrics.averageCost,
+      dilutedCost: metrics.dilutedCost,
+      floatingPnl: metrics.floatingPnl,
+      accumulatedPnl: metrics.accumulatedPnl,
       holdingDays,
       exchange: holding.exchange,
       accumulatedDividendsCny: holding.accumulatedDividendsCny.toString(),