feat: 完成集成后，您可以在 PostHog 中分析：

- 用户搜索行为：搜索频率、热门搜索词、搜索成功率
  - 概念关注度：哪些概念最受关注、点击排名分布
  - 热力图使用情况：用户点击的股票市值分布、涨跌偏好
  - 日期筛选模式：用户倾向查看哪些日期的数据
  - 转化漏斗：从页面浏览 → 搜索 → 点击 → 详情的转化率

src/views/StockOverview/hooks/useStockOverviewEvents.js

@@ -0,0 +1,236 @@
+// src/views/StockOverview/hooks/useStockOverviewEvents.js
+// 个股中心页面事件追踪 Hook
+
+import { useCallback, useEffect } from 'react';
+import { usePostHogTrack } from '../../../hooks/usePostHogRedux';
+import { RETENTION_EVENTS } from '../../../lib/constants';
+import { logger } from '../../../utils/logger';
+
+/**
+ * 个股中心事件追踪 Hook
+ * @param {Object} options - 配置选项
+ * @param {Function} options.navigate - 路由导航函数
+ * @returns {Object} 事件追踪处理函数集合
+ */
+export const useStockOverviewEvents = ({ navigate } = {}) => {
+  const { track } = usePostHogTrack();
+
+  // 🎯 页面浏览事件 - 页面加载时触发
+  useEffect(() => {
+    track(RETENTION_EVENTS.STOCK_OVERVIEW_VIEWED, {
+      timestamp: new Date().toISOString(),
+    });
+    logger.debug('useStockOverviewEvents', '📊 Stock Overview Page Viewed');
+  }, [track]);
+
+  /**
+   * 追踪市场统计数据查看
+   * @param {Object} stats - 市场统计数据
+   */
+  const trackMarketStatsViewed = useCallback((stats) => {
+    if (!stats) return;
+
+    track(RETENTION_EVENTS.STOCK_LIST_VIEWED, {
+      total_market_cap: stats.total_market_cap,
+      total_volume: stats.total_volume,
+      rising_stocks: stats.rising_count,
+      falling_stocks: stats.falling_count,
+      data_date: stats.date,
+    });
+
+    logger.debug('useStockOverviewEvents', '📈 Market Statistics Viewed', stats);
+  }, [track]);
+
+  /**
+   * 追踪股票搜索开始
+   */
+  const trackSearchInitiated = useCallback(() => {
+    track(RETENTION_EVENTS.SEARCH_INITIATED, {
+      context: 'stock_overview',
+    });
+
+    logger.debug('useStockOverviewEvents', '🔍 Search Initiated');
+  }, [track]);
+
+  /**
+   * 追踪股票搜索查询
+   * @param {string} query - 搜索查询词
+   * @param {number} resultCount - 搜索结果数量
+   */
+  const trackStockSearched = useCallback((query, resultCount = 0) => {
+    if (!query) return;
+
+    track(RETENTION_EVENTS.STOCK_SEARCHED, {
+      query,
+      result_count: resultCount,
+      has_results: resultCount > 0,
+    });
+
+    // 如果没有搜索结果，额外追踪
+    if (resultCount === 0) {
+      track(RETENTION_EVENTS.SEARCH_NO_RESULTS, {
+        query,
+        context: 'stock_overview',
+      });
+    }
+
+    logger.debug('useStockOverviewEvents', '🔍 Stock Searched', {
+      query,
+      resultCount,
+    });
+  }, [track]);
+
+  /**
+   * 追踪搜索结果点击
+   * @param {Object} stock - 被点击的股票对象
+   * @param {number} position - 在搜索结果中的位置
+   */
+  const trackSearchResultClicked = useCallback((stock, position = 0) => {
+    track(RETENTION_EVENTS.SEARCH_RESULT_CLICKED, {
+      stock_code: stock.code,
+      stock_name: stock.name,
+      exchange: stock.exchange,
+      position,
+      context: 'stock_overview',
+    });
+
+    logger.debug('useStockOverviewEvents', '🎯 Search Result Clicked', {
+      stock: stock.code,
+      position,
+    });
+  }, [track]);
+
+  /**
+   * 追踪概念卡片点击
+   * @param {Object} concept - 概念对象
+   * @param {number} rank - 在列表中的排名
+   */
+  const trackConceptClicked = useCallback((concept, rank = 0) => {
+    track(RETENTION_EVENTS.CONCEPT_CLICKED, {
+      concept_name: concept.name,
+      concept_code: concept.code,
+      change_percent: concept.change_percent,
+      stock_count: concept.stock_count,
+      rank,
+      source: 'daily_hot_concepts',
+    });
+
+    logger.debug('useStockOverviewEvents', '🔥 Concept Clicked', {
+      concept: concept.name,
+      rank,
+    });
+  }, [track]);
+
+  /**
+   * 追踪概念下的股票标签点击
+   * @param {Object} stock - 股票对象
+   * @param {string} conceptName - 所属概念名称
+   */
+  const trackConceptStockClicked = useCallback((stock, conceptName) => {
+    track(RETENTION_EVENTS.CONCEPT_STOCK_CLICKED, {
+      stock_code: stock.code,
+      stock_name: stock.name,
+      concept_name: conceptName,
+      source: 'daily_hot_concepts_tag',
+    });
+
+    logger.debug('useStockOverviewEvents', '🏷️ Concept Stock Tag Clicked', {
+      stock: stock.code,
+      concept: conceptName,
+    });
+  }, [track]);
+
+  /**
+   * 追踪热力图中股票点击
+   * @param {Object} stock - 被点击的股票对象
+   * @param {string} marketCapRange - 市值区间
+   */
+  const trackHeatmapStockClicked = useCallback((stock, marketCapRange = '') => {
+    track(RETENTION_EVENTS.STOCK_CLICKED, {
+      stock_code: stock.code,
+      stock_name: stock.name,
+      change_percent: stock.change_percent,
+      market_cap_range: marketCapRange,
+      source: 'market_heatmap',
+    });
+
+    logger.debug('useStockOverviewEvents', '📊 Heatmap Stock Clicked', {
+      stock: stock.code,
+      marketCapRange,
+    });
+  }, [track]);
+
+  /**
+   * 追踪股票详情查看
+   * @param {string} stockCode - 股票代码
+   * @param {string} source - 来源（search/concept/heatmap）
+   */
+  const trackStockDetailViewed = useCallback((stockCode, source = 'unknown') => {
+    track(RETENTION_EVENTS.STOCK_DETAIL_VIEWED, {
+      stock_code: stockCode,
+      source: `stock_overview_${source}`,
+    });
+
+    logger.debug('useStockOverviewEvents', '👁️ Stock Detail Viewed', {
+      stockCode,
+      source,
+    });
+
+    // 导航到公司详情页
+    if (navigate) {
+      navigate(`/company/${stockCode}`);
+    }
+  }, [track, navigate]);
+
+  /**
+   * 追踪概念详情查看
+   * @param {string} conceptCode - 概念代码
+   */
+  const trackConceptDetailViewed = useCallback((conceptCode) => {
+    track(RETENTION_EVENTS.CONCEPT_DETAIL_VIEWED, {
+      concept_code: conceptCode,
+      source: 'stock_overview_daily_hot',
+    });
+
+    logger.debug('useStockOverviewEvents', '🎯 Concept Detail Viewed', {
+      conceptCode,
+    });
+
+    // 导航到概念详情页
+    if (navigate) {
+      navigate(`/concept-detail/${conceptCode}`);
+    }
+  }, [track, navigate]);
+
+  /**
+   * 追踪日期选择变化
+   * @param {string} newDate - 新选择的日期
+   * @param {string} previousDate - 之前的日期
+   */
+  const trackDateChanged = useCallback((newDate, previousDate = null) => {
+    track(RETENTION_EVENTS.SEARCH_FILTER_APPLIED, {
+      filter_type: 'date',
+      filter_value: newDate,
+      previous_value: previousDate,
+      context: 'stock_overview',
+    });
+
+    logger.debug('useStockOverviewEvents', '📅 Date Changed', {
+      newDate,
+      previousDate,
+    });
+  }, [track]);
+
+  return {
+    trackMarketStatsViewed,
+    trackSearchInitiated,
+    trackStockSearched,
+    trackSearchResultClicked,
+    trackConceptClicked,
+    trackConceptStockClicked,
+    trackHeatmapStockClicked,
+    trackStockDetailViewed,
+    trackConceptDetailViewed,
+    trackDateChanged,
+  };
+};