feat: Community 页面引入 Redux 状态管理

- 添加 Redux hooks (useSelector, useDispatch)
- 导入 fetchPopularKeywords 和 fetchHotEvents action creators
- 移除本地状态 popularKeywords 和 hotEvents
- 移除 loadPopularKeywords 和 loadHotEvents 函数
- 使用 Redux dispatch 替代本地数据获取
- 利用 Redux 内置的缓存机制优化性能

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

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

src/views/Community/index.js

@@ -1,7 +1,9 @@
 // src/views/Community/index.js
 import React, { useState, useEffect, useCallback, useRef } from 'react';
 import { useSearchParams, useNavigate } from 'react-router-dom';
+import { useSelector, useDispatch } from 'react-redux';
 import { debounce } from 'lodash';
+import { fetchPopularKeywords, fetchHotEvents } from '../../store/slices/communityDataSlice';
 import {
   Box,
   Container,
@@ -88,6 +90,10 @@ const filterLabelMap = {
 const Community = () => {
   const [searchParams, setSearchParams] = useSearchParams();
   const navigate = useNavigate();
+  const dispatch = useDispatch();
+
+  // Redux状态
+  const { popularKeywords, hotEvents } = useSelector(state => state.communityData);
 
   // Chakra UI hooks
   const bgColor = useColorModeValue('gray.50', 'gray.900');
@@ -114,8 +120,6 @@ const Community = () => {
   const [loading, setLoading] = useState(false);
   const [selectedEvent, setSelectedEvent] = useState(null);
   const [selectedEventForStock, setSelectedEventForStock] = useState(null);
-  const [popularKeywords, setPopularKeywords] = useState([]);
-  const [hotEvents, setHotEvents] = useState([]);
   const [lastUpdateTime, setLastUpdateTime] = useState(new Date());
 
   // 从URL获取筛选参数
@@ -177,38 +181,6 @@ const Community = () => {
     }
   }, [getFiltersFromUrl, pagination.pageSize]);  // ✅ 移除 toast 依赖
 
-  // 加载热门关键词
-  const loadPopularKeywords = useCallback(async () => {
-    try {
-      const response = await eventService.getPopularKeywords(20);
-      if (response.success) {
-        setPopularKeywords(response.data);
-        logger.debug('Community', '热门关键词加载成功', {
-          count: response.data?.length || 0
-        });
-      }
-    } catch (error) {
-      logger.error('Community', 'loadPopularKeywords', error);
-    }
-  }, []);
-
-  // 加载热点事件
-  const loadHotEvents = useCallback(async () => {
-    try {
-      const response = await eventService.getHotEvents({ days: 5, limit: 4 });
-      if (response.success) {
-        setHotEvents(response.data);
-        logger.debug('Community', '热点事件加载成功', {
-          count: response.data?.length || 0
-        });
-      }
-    } catch (error) {
-      logger.error('Community', 'loadHotEvents', error);
-    }
-  }, []);
-
-
-
   // 处理筛选变化
   const handleFilterChange = useCallback((filterType, value) => {
     updateUrlParams({ [filterType]: value, page: 1 });
@@ -294,10 +266,10 @@ const Community = () => {
     // 使用防抖加载事件
     debouncedLoadEvents(page);
 
-    // 热门关键词和热点事件不需要防抖（初次加载）
+    // 热门关键词和热点事件不需要防抖（初次加载，使用Redux）
     if (searchParams.get('page') === null || searchParams.get('page') === '1') {
-      loadPopularKeywords();
-      loadHotEvents();
+      dispatch(fetchPopularKeywords());
+      dispatch(fetchHotEvents());
     }
 
     // 组件卸载时取消防抖