fix(ledger): 修复币种符号映射逻辑，并扩充引擎下发流水明细支持 UI 下钻

src/actions/portfolio.ts

@@ -37,6 +37,15 @@ interface Position {
   floatingPnlPercent: string;
   cumulativePnlNative: string;
   cumulativePnlPercent: string;
+  transactions: TransactionRecord[];
+}
+
+interface TransactionRecord {
+  txType: string;
+  quantity: string;
+  price: string;
+  txCurrency: string;
+  executedAt: Date | null;
 }
 
 interface RawRate {
@@ -174,6 +183,8 @@ export async function getPortfolioPositions(): Promise<Position[]> {
     accumulatedDividendsNative: Big;
     // 首次买入日期
     firstBuyDate: Date | null;
+    // 原始流水明细
+    transactions: TransactionRecord[];
   }>();
 
   for (const tx of allTransactions) {
@@ -198,6 +209,7 @@ export async function getPortfolioPositions(): Promise<Position[]> {
         accumulatedDividendsCny: new Big('0'),
         accumulatedDividendsNative: new Big('0'),
         firstBuyDate: null,
+        transactions: [],
       });
     }
 
@@ -265,6 +277,14 @@ export async function getPortfolioPositions(): Promise<Position[]> {
     if (tx.assetLatestPrice) {
       holding.latestPrice = tx.assetLatestPrice;
     }
+
+    holding.transactions.push({
+      txType: tx.txType,
+      quantity: tx.quantity,
+      price: tx.price,
+      txCurrency: tx.txCurrency,
+      executedAt: tx.executedAt,
+    });
   }
 
   const today = getTodayInShanghai();
@@ -373,6 +393,7 @@ export async function getPortfolioPositions(): Promise<Position[]> {
       floatingPnlPercent: floatingPnlPercent.toString(),
       cumulativePnlNative: cumulativePnlNative.toString(),
       cumulativePnlPercent: cumulativePnlPercent.toString(),
+      transactions: holding.transactions,
     });
   }