feat: 概念中心的事件追踪

src/views/Concept/ConceptTimelineModal.js

@@ -1,5 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import { logger } from '../../utils/logger';
+import { useConceptTimelineEvents } from './hooks/useConceptTimelineEvents';
 import {
     Modal,
     ModalOverlay,
@@ -64,6 +65,17 @@ const ConceptTimelineModal = ({
                                   conceptId
                               }) => {
     const toast = useToast();
+
+    // 🎯 PostHog 事件追踪
+    const {
+        trackDateToggled,
+        trackNewsClicked,
+        trackNewsDetailOpened,
+        trackReportClicked,
+        trackReportDetailOpened,
+        trackModalClosed,
+    } = useConceptTimelineEvents({ conceptName, conceptId, isOpen });
+
     const [timelineData, setTimelineData] = useState([]);
     const [loading, setLoading] = useState(true);
     const [expandedDates, setExpandedDates] = useState({});
@@ -318,6 +330,11 @@ const ConceptTimelineModal = ({
 
     // 切换日期展开状态
     const toggleDateExpand = (date) => {
+        const willExpand = !expandedDates[date];
+
+        // 🎯 追踪日期展开/折叠
+        trackDateToggled(date, willExpand);
+
         setExpandedDates(prev => ({
             ...prev,
             [date]: !prev[date]
@@ -728,6 +745,10 @@ const ConceptTimelineModal = ({
                                                                                         leftIcon={<ViewIcon />}
                                                                                         onClick={() => {
                                                                                             if (event.type === 'news') {
+                                                                                                // 🎯 追踪新闻点击和详情打开
+                                                                                                trackNewsClicked(event, date);
+                                                                                                trackNewsDetailOpened(event);
+
                                                                                                 setSelectedNews({
                                                                                                     title: event.title,
                                                                                                     content: event.content,
@@ -737,6 +758,10 @@ const ConceptTimelineModal = ({
                                                                                                 });
                                                                                                 setIsNewsModalOpen(true);
                                                                                             } else if (event.type === 'report') {
+                                                                                                // 🎯 追踪研报点击和详情打开
+                                                                                                trackReportClicked(event, date);
+                                                                                                trackReportDetailOpened(event);
+
                                                                                                 setSelectedReport({
                                                                                                     title: event.title,
                                                                                                     content: event.content,