feat: add real copy-trading pnl statistics

frontend/src/components/AccountImportForm.tsx

@@ -197,7 +197,6 @@ const AccountImportForm: React.FC<AccountImportFormProps> = ({
     setSelectedProxyType('')
     setStep('input')
     form.setFieldsValue({ walletAddress: '', privateKey: '', mnemonic: '' })
-    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [importType])
   
   const handleSubmit = async (values: any) => {

frontend/src/pages/CopyTradingList.tsx

@@ -256,7 +256,7 @@ const CopyTradingList: React.FC = () => {
       )
     },
     {
-      title: t('copyTradingList.totalPnl') || '总盈亏',
+      title: '总盈亏（含未实现）',
       key: 'totalPnl',
       width: isMobile ? 100 : 150,
       render: (_: any, record: CopyTrading) => {
@@ -537,7 +537,7 @@ const CopyTradingList: React.FC = () => {
                         <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', width: '100%' }}>
                           <div>
                             <div style={{ fontSize: '10px', color: '#8c8c8c' }}>
-                              {t('copyTradingList.totalPnl') || '总盈亏'}
+                              总盈亏（含未实现）
                             </div>
                             {stats ? (
                               <div style={{ 

frontend/src/pages/CopyTradingOrders/StatisticsModal.tsx

@@ -118,7 +118,23 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
           </div>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
             <div style={{ fontSize: '14px', color: '#666', flex: '0 0 auto', marginRight: '12px' }}>
-              {t('copyTradingOrders.totalPnl') || '总盈亏'}
+              {t('copyTradingOrders.currentPositionCost') || '当前持仓成本'}
+            </div>
+            <div style={{ fontSize: '16px', fontWeight: '500', color: '#333', flex: '1', textAlign: 'right' }}>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.currentPositionCost)} USDC</span>
+            </div>
+          </div>
+          <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
+            <div style={{ fontSize: '14px', color: '#666', flex: '0 0 auto', marginRight: '12px' }}>
+              {t('copyTradingOrders.currentPositionValue') || '当前持仓市值'}
+            </div>
+            <div style={{ fontSize: '16px', fontWeight: '500', color: '#333', flex: '1', textAlign: 'right' }}>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.currentPositionValue)} USDC</span>
+            </div>
+          </div>
+          <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
+            <div style={{ fontSize: '14px', color: '#666', flex: '0 0 auto', marginRight: '12px' }}>
+              {t('copyTradingOrders.totalPnl') || '总盈亏（含未实现）'}
             </div>
             <div style={{ fontSize: '16px', fontWeight: 'bold', color: getPnlColor(statistics.totalPnl), flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               {getPnlIcon(statistics.totalPnl)}
@@ -179,7 +195,21 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </Col>
             <Col xs={24} sm={12} md={8}>
               <Statistic
-                title={t('copyTradingOrders.totalPnl') || '总盈亏'}
+                title={t('copyTradingOrders.currentPositionCost') || '当前持仓成本'}
+                value={formatUSDC(statistics.currentPositionCost)}
+                suffix="USDC"
+              />
+            </Col>
+            <Col xs={24} sm={12} md={8}>
+              <Statistic
+                title={t('copyTradingOrders.currentPositionValue') || '当前持仓市值'}
+                value={formatUSDC(statistics.currentPositionValue)}
+                suffix="USDC"
+              />
+            </Col>
+            <Col xs={24} sm={12} md={8}>
+              <Statistic
+                title={t('copyTradingOrders.totalPnl') || '总盈亏（含未实现）'}
                 value={formatUSDC(statistics.totalPnl)}
                 suffix="USDC"
                 valueStyle={{ color: getPnlColor(statistics.totalPnl) }}

frontend/src/pages/CopyTradingStatistics.tsx

@@ -195,14 +195,28 @@ const CopyTradingStatisticsPage: React.FC = () => {
       {/* 持仓统计卡片 */}
       <Card title="持仓统计" style={{ marginBottom: 16 }}>
         <Row gutter={[16, 16]}>
-          <Col xs={24} sm={12} md={12}>
+          <Col xs={24} sm={12} md={6}>
             <Statistic
               title="当前持仓数量"
               value={formatNumber(statistics.currentPositionQuantity, 4)}
               suffix=""
             />
           </Col>
-          <Col xs={24} sm={12} md={12}>
+          <Col xs={24} sm={12} md={6}>
+            <Statistic
+              title="当前持仓成本"
+              value={formatUSDC(statistics.currentPositionCost)}
+              suffix="USDC"
+            />
+          </Col>
+          <Col xs={24} sm={12} md={6}>
+            <Statistic
+              title="当前持仓市值"
+              value={formatUSDC(statistics.currentPositionValue)}
+              suffix="USDC"
+            />
+          </Col>
+          <Col xs={24} sm={12} md={6}>
             <Statistic
               title="平均买入价格"
               value={formatNumber(statistics.avgBuyPrice, 4)}
@@ -235,7 +249,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
           </Col>
           <Col xs={24} sm={12} md={6}>
             <Statistic
-              title="总盈亏"
+              title="总盈亏（含未实现）"
               value={formatUSDC(statistics.totalPnl)}
               valueStyle={{ color: getPnlColor(statistics.totalPnl) }}
               prefix={getPnlIcon(statistics.totalPnl)}

frontend/src/types/index.ts

@@ -705,7 +705,8 @@ export interface CopyTradingStatistics {
   
   // 持仓统计
   currentPositionQuantity: string
-  currentPositionValue: string  // 当前实现总是返回 "0"，保留用于未来扩展
+  currentPositionCost: string
+  currentPositionValue: string  // 按当前价格估算的持仓市值
   
   // 盈亏统计
   totalRealizedPnl: string