feat: Add trader enabled switch and fix critical bugs

New Features:
- Add 'enabled' field to trader config for selective startup
- Only enabled traders will be initialized and run
- Display skip messages for disabled traders in logs
Bug Fixes:
- Fix Hyperliquid account value calculation
  * AccountValue is total equity, no need to add TotalMarginUsed
  * Correctly calculate wallet balance without unrealized PnL
  * Fix available balance calculation (AccountValue - TotalMarginUsed)
- Fix frontend page refresh navigation issue
  * Use URL hash to persist page state across refreshes
  * Support browser back/forward buttons
  * Prevent Details page from reverting to Competition on refresh
Technical Changes:
- config/config.go: Add Enabled bool field to TraderConfig
- main.go: Skip disabled traders during initialization
- trader/hyperliquid_trader.go: Correct account value logic
- web/src/App.tsx: Implement hash-based routing
Co-Authored-By: tinkle-community <tinklefund@gmail.com>

config/config.go

@@ -11,6 +11,7 @@ import (
 type TraderConfig struct {
 	ID      string `json:"id"`
 	Name    string `json:"name"`
+	Enabled bool   `json:"enabled"` // 是否启用该trader
 	AIModel string `json:"ai_model"` // "qwen" or "deepseek"
 
 	// 交易平台选择（二选一）

main.go

@@ -56,8 +56,16 @@ func main() {
 	// 创建TraderManager
 	traderManager := manager.NewTraderManager()
 
-	// 添加所有trader
+	// 添加所有启用的trader
+	enabledCount := 0
 	for i, traderCfg := range cfg.Traders {
+		// 跳过未启用的trader
+		if !traderCfg.Enabled {
+			log.Printf("⏭️  [%d/%d] 跳过未启用的 %s", i+1, len(cfg.Traders), traderCfg.Name)
+			continue
+		}
+
+		enabledCount++
 		log.Printf("📦 [%d/%d] 初始化 %s (%s模型)...",
 			i+1, len(cfg.Traders), traderCfg.Name, strings.ToUpper(traderCfg.AIModel))
 
@@ -74,9 +82,18 @@ func main() {
 		}
 	}
 
+	// 检查是否至少有一个启用的trader
+	if enabledCount == 0 {
+		log.Fatalf("❌ 没有启用的trader，请在config.json中设置至少一个trader的enabled=true")
+	}
+
 	fmt.Println()
 	fmt.Println("🏁 竞赛参赛者:")
 	for _, traderCfg := range cfg.Traders {
+		// 只显示启用的trader
+		if !traderCfg.Enabled {
+			continue
+		}
 		fmt.Printf("  • %s (%s) - 初始资金: %.0f USDT\n",
 			traderCfg.Name, strings.ToUpper(traderCfg.AIModel), traderCfg.InitialBalance)
 	}

trader/hyperliquid_trader.go

@@ -2,6 +2,7 @@ package trader
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"log"
 	"strconv"
@@ -83,9 +84,13 @@ func (t *HyperliquidTrader) GetBalance() (map[string]interface{}, error) {
 	// 解析余额信息（MarginSummary字段都是string）
 	result := make(map[string]interface{})
 
+	// 🔍 调试：打印API返回的完整CrossMarginSummary结构
+	summaryJSON, _ := json.MarshalIndent(accountState.CrossMarginSummary, "  ", "  ")
+	log.Printf("🔍 [DEBUG] Hyperliquid API CrossMarginSummary完整数据:")
+	log.Printf("%s", string(summaryJSON))
+
 	accountValue, _ := strconv.ParseFloat(accountState.CrossMarginSummary.AccountValue, 64)
 	totalMarginUsed, _ := strconv.ParseFloat(accountState.CrossMarginSummary.TotalMarginUsed, 64)
-	availableBalance, _ := strconv.ParseFloat(accountState.CrossMarginSummary.AccountValue, 64)
 
 	// ⚠️ 关键修复：从所有持仓中累加真正的未实现盈亏
 	totalUnrealizedPnl := 0.0
@@ -95,19 +100,23 @@ func (t *HyperliquidTrader) GetBalance() (map[string]interface{}, error) {
 	}
 
 	// ✅ 正确理解Hyperliquid字段：
-	// AccountValue = 账户净值（包含未实现盈亏）= 这是真正的总资产
-	// 钱包余额（已实现）= AccountValue - 未实现盈亏
-	walletBalance := accountValue - totalUnrealizedPnl
+	// AccountValue = 总账户净值（已包含空闲资金+持仓价值+未实现盈亏）
+	// TotalMarginUsed = 持仓占用的保证金（已包含在AccountValue中，仅用于显示）
+	//
+	// 为了兼容auto_trader.go的计算逻辑（totalEquity = totalWalletBalance + totalUnrealizedProfit）
+	// 需要返回"不包含未实现盈亏的钱包余额"
+	walletBalanceWithoutUnrealized := accountValue - totalUnrealizedPnl
 
-	result["totalWalletBalance"] = walletBalance                    // 钱包余额（已实现部分）
-	result["availableBalance"] = availableBalance - totalMarginUsed // 可用余额
-	result["totalUnrealizedProfit"] = totalUnrealizedPnl            // 未实现盈亏
+	result["totalWalletBalance"] = walletBalanceWithoutUnrealized // 钱包余额（不含未实现盈亏）
+	result["availableBalance"] = accountValue - totalMarginUsed   // 可用余额（总净值 - 占用保证金）
+	result["totalUnrealizedProfit"] = totalUnrealizedPnl          // 未实现盈亏
 
-	log.Printf("✓ Hyperliquid API返回: 账户净值=%.2f, 钱包余额=%.2f, 可用=%.2f, 未实现盈亏=%.2f",
+	log.Printf("✓ Hyperliquid 账户: 总净值=%.2f (钱包%.2f+未实现%.2f), 可用=%.2f, 保证金占用=%.2f",
 		accountValue,
-		result["totalWalletBalance"],
+		walletBalanceWithoutUnrealized,
+		totalUnrealizedPnl,
 		result["availableBalance"],
-		result["totalUnrealizedProfit"])
+		totalMarginUsed)
 
 	return result, nil
 }

web/src/App.tsx

@@ -19,10 +19,38 @@ type Page = 'competition' | 'trader';
 
 function App() {
   const { language, setLanguage } = useLanguage();
-  const [currentPage, setCurrentPage] = useState<Page>('competition');
+
+  // 从URL hash读取初始页面状态（支持刷新保持页面）
+  const getInitialPage = (): Page => {
+    const hash = window.location.hash.slice(1); // 去掉 #
+    return hash === 'trader' || hash === 'details' ? 'trader' : 'competition';
+  };
+
+  const [currentPage, setCurrentPage] = useState<Page>(getInitialPage());
   const [selectedTraderId, setSelectedTraderId] = useState<string | undefined>();
   const [lastUpdate, setLastUpdate] = useState<string>('--:--:--');
 
+  // 监听URL hash变化，同步页面状态
+  useEffect(() => {
+    const handleHashChange = () => {
+      const hash = window.location.hash.slice(1);
+      if (hash === 'trader' || hash === 'details') {
+        setCurrentPage('trader');
+      } else if (hash === 'competition' || hash === '') {
+        setCurrentPage('competition');
+      }
+    };
+
+    window.addEventListener('hashchange', handleHashChange);
+    return () => window.removeEventListener('hashchange', handleHashChange);
+  }, []);
+
+  // 切换页面时更新URL hash
+  const navigateToPage = (page: Page) => {
+    setCurrentPage(page);
+    window.location.hash = page === 'competition' ? '' : 'trader';
+  };
+
   // 获取trader列表
   const { data: traders } = useSWR<TraderInfo[]>('traders', api.getTraders, {
     refreshInterval: 10000,
@@ -180,7 +208,7 @@ function App() {
               {/* Page Toggle */}
               <div className="flex gap-0.5 sm:gap-1 rounded p-0.5 sm:p-1" style={{ background: '#1E2329' }}>
                 <button
-                  onClick={() => setCurrentPage('competition')}
+                  onClick={() => navigateToPage('competition')}
                   className="px-2 sm:px-4 py-1.5 sm:py-2 rounded text-xs sm:text-sm font-semibold transition-all"
                   style={currentPage === 'competition'
                     ? { background: '#F0B90B', color: '#000' }
@@ -190,7 +218,7 @@ function App() {
                   {t('competition', language)}
                 </button>
                 <button
-                  onClick={() => setCurrentPage('trader')}
+                  onClick={() => navigateToPage('trader')}
                   className="px-2 sm:px-4 py-1.5 sm:py-2 rounded text-xs sm:text-sm font-semibold transition-all"
                   style={currentPage === 'trader'
                     ? { background: '#F0B90B', color: '#000' }