feat: 添加股票实时行情Hook，修复MarketDataView构建错误

- 新增 useStockRealtimeQuote Hook（API轮询方式获取实时行情）
- 修复 MarketDataView 导入不存在的 @hooks/useRealtimeQuote 问题
- 交易时段内自动刷新股票价格

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/hooks/useStockRealtimeQuote.ts

@@ -0,0 +1,213 @@
+/**
+ * 股票实时行情 Hook（简化版）
+ * 通过 API 轮询获取单只股票的实时行情
+ * 用于 MarketDataView 等需要显示实时价格的组件
+ */
+
+import { useState, useEffect, useCallback, useRef } from 'react';
+import { getApiBase } from '@utils/apiConfig';
+
+// 交易时段
+const TRADING_SESSIONS = [
+  { start: { hour: 9, minute: 30 }, end: { hour: 11, minute: 30 } },
+  { start: { hour: 13, minute: 0 }, end: { hour: 15, minute: 0 } },
+];
+
+/**
+ * 判断当前时间是否在交易时段内
+ */
+const isInTradingSession = (): boolean => {
+  const now = new Date();
+  const day = now.getDay();
+  // 周末不交易
+  if (day === 0 || day === 6) return false;
+
+  const currentMinutes = now.getHours() * 60 + now.getMinutes();
+
+  return TRADING_SESSIONS.some(session => {
+    const startMinutes = session.start.hour * 60 + session.start.minute;
+    const endMinutes = session.end.hour * 60 + session.end.minute;
+    return currentMinutes >= startMinutes && currentMinutes <= endMinutes;
+  });
+};
+
+export interface StockQuoteData {
+  code: string;
+  name?: string;
+  price: number;
+  prevClose: number;
+  open?: number;
+  high?: number;
+  low?: number;
+  volume?: number;
+  amount?: number;
+  change: number;
+  changePct: number;
+  updateTime?: string;
+}
+
+export interface UseStockRealtimeQuoteReturn {
+  quote: StockQuoteData | null;
+  loading: boolean;
+  error: string | null;
+  isTrading: boolean;
+  refresh: () => void;
+}
+
+/**
+ * 获取股票实时行情
+ */
+const fetchStockQuote = async (stockCode: string): Promise<StockQuoteData | null> => {
+  try {
+    // 确保股票代码带后缀
+    let code = stockCode;
+    if (!code.includes('.')) {
+      if (code.startsWith('6') || code.startsWith('5')) {
+        code = `${code}.SH`;
+      } else {
+        code = `${code}.SZ`;
+      }
+    }
+
+    const response = await fetch(`${getApiBase()}/api/stock/${code}/realtime`);
+    if (!response.ok) {
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+
+    const result = await response.json();
+    if (result.success && result.data) {
+      const data = result.data;
+      return {
+        code: data.code || code,
+        name: data.name,
+        price: data.price || data.last_px || data.close || 0,
+        prevClose: data.prev_close || data.prev_close_px || 0,
+        open: data.open || data.open_px,
+        high: data.high || data.high_px,
+        low: data.low || data.low_px,
+        volume: data.volume || data.total_volume_trade,
+        amount: data.amount || data.total_value_trade,
+        change: data.change || (data.price - data.prev_close) || 0,
+        changePct: data.change_pct || data.changePct || 0,
+        updateTime: data.update_time || data.updateTime,
+      };
+    }
+    return null;
+  } catch (error) {
+    console.error('获取股票实时行情失败:', error);
+    return null;
+  }
+};
+
+/**
+ * 股票实时行情 Hook
+ *
+ * @param stockCode - 股票代码，如 '600000' 或 '600000.SH'
+ * @param options - 配置选项
+ * @param options.refreshInterval - 刷新间隔（毫秒），默认 60000（1分钟）
+ * @param options.autoRefresh - 是否自动刷新，默认 true
+ *
+ * @returns { quote, loading, error, isTrading, refresh }
+ */
+export const useStockRealtimeQuote = (
+  stockCode: string | undefined,
+  options: { refreshInterval?: number; autoRefresh?: boolean } = {}
+): UseStockRealtimeQuoteReturn => {
+  const { refreshInterval = 60000, autoRefresh = true } = options;
+
+  const [quote, setQuote] = useState<StockQuoteData | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [isTrading, setIsTrading] = useState(false);
+
+  const intervalRef = useRef<NodeJS.Timeout | null>(null);
+  const isMountedRef = useRef(true);
+
+  // 加载数据
+  const loadQuote = useCallback(async () => {
+    if (!stockCode) return;
+
+    try {
+      const data = await fetchStockQuote(stockCode);
+
+      if (!isMountedRef.current) return;
+
+      if (data) {
+        setQuote(data);
+        setError(null);
+      } else {
+        setError('无法获取行情数据');
+      }
+    } catch (err) {
+      if (isMountedRef.current) {
+        setError(err instanceof Error ? err.message : '未知错误');
+      }
+    } finally {
+      if (isMountedRef.current) {
+        setLoading(false);
+      }
+    }
+  }, [stockCode]);
+
+  // 手动刷新
+  const refresh = useCallback(() => {
+    setLoading(true);
+    loadQuote();
+  }, [loadQuote]);
+
+  // 初始加载
+  useEffect(() => {
+    isMountedRef.current = true;
+    if (stockCode) {
+      loadQuote();
+    }
+
+    return () => {
+      isMountedRef.current = false;
+    };
+  }, [loadQuote, stockCode]);
+
+  // 自动刷新逻辑
+  useEffect(() => {
+    if (!autoRefresh || !stockCode) return;
+
+    // 清除旧的定时器
+    if (intervalRef.current) {
+      clearInterval(intervalRef.current);
+      intervalRef.current = null;
+    }
+
+    // 设置定时器，检查是否在交易时间内
+    const checkAndRefresh = () => {
+      const inSession = isInTradingSession();
+      setIsTrading(inSession);
+
+      if (inSession) {
+        loadQuote();
+      }
+    };
+
+    // 立即检查一次
+    checkAndRefresh();
+
+    // 设置定时刷新
+    intervalRef.current = setInterval(checkAndRefresh, refreshInterval);
+
+    return () => {
+      if (intervalRef.current) {
+        clearInterval(intervalRef.current);
+        intervalRef.current = null;
+      }
+    };
+  }, [autoRefresh, stockCode, refreshInterval, loadQuote]);
+
+  return {
+    quote,
+    loading,
+    error,
+    isTrading,
+    refresh,
+  };
+};
+
+export default useStockRealtimeQuote;

src/views/Company/components/MarketDataView/index.tsx

@@ -17,7 +17,7 @@ import SubTabContainer from '@components/SubTabContainer';
 import type { SubTabConfig } from '@components/SubTabContainer';
 
 // 实时行情 Hook
-import { useRealtimeQuote } from '@hooks/useRealtimeQuote';
+import { useStockRealtimeQuote } from '@hooks/useStockRealtimeQuote';
 
 // 内部模块导入
 import { themes, DEFAULT_PERIOD } from './constants';
@@ -70,16 +70,8 @@ const MarketDataView: React.FC<MarketDataViewProps> = ({ stockCode: propStockCod
     loadDataByType,
   } = useMarketData(stockCode, selectedPeriod);
 
-  // 获取实时行情数据
+  // 获取实时行情数据（通过 API 轮询，交易时段内自动刷新）
-  const subscribedCodes = useMemo(() => {
+  const { quote: realtimeQuote } = useStockRealtimeQuote(stockCode);
-    if (!stockCode) return [];
-    const baseCode = stockCode.split('.')[0];
-    const isShanghai = baseCode.startsWith('6') || baseCode.startsWith('5');
-    return [isShanghai ? `${baseCode}.SH` : `${baseCode}.SZ`];
-  }, [stockCode]);
-
-  const { quotes: realtimeQuotes } = useRealtimeQuote(subscribedCodes);
-  const realtimeQuote = subscribedCodes.length > 0 ? realtimeQuotes[subscribedCodes[0]] : null;
 
   // Tab 切换时按需加载数据
   const handleTabChange = useCallback((index: number) => {