refactor: 重构状态管理从 URL 驱动到本地状态

- 移除 getFiltersFromUrl 函数
- 添加 filters 本地状态（初始化时从 URL 读取）
- 重命名 updateUrlParams 为 updateFilters
- updateFilters 不再修改 URL，只更新本地状态
- 更新 loadEvents 使用本地 filters 依赖
- 移除 filterTags 中重复的 filters 声明

简化状态管理逻辑，避免 URL 和状态同步问题

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

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

src/views/Community/index.js

@@ -120,8 +120,8 @@ const Community = () => {
   const [selectedEventForStock, setSelectedEventForStock] = useState(null);
   const [lastUpdateTime, setLastUpdateTime] = useState(new Date());
 
-  // 从URL获取筛选参数
-  const getFiltersFromUrl = useCallback(() => {
+  // 筛选参数状态 - 初始化时从URL读取,之后只用本地状态
+  const [filters, setFilters] = useState(() => {
     return {
       sort: searchParams.get('sort') || 'new',
       importance: searchParams.get('importance') || 'all',
@@ -132,27 +132,18 @@ const Community = () => {
       industry_code: searchParams.get('industry_code') || '',
       page: parseInt(searchParams.get('page') || '1', 10)
     };
-  }, [searchParams]);
-
-  // 更新URL参数
-  const updateUrlParams = useCallback((params) => {
-    const newParams = new URLSearchParams(searchParams);
-    Object.entries(params).forEach(([key, value]) => {
-      if (value) {
-        newParams.set(key, value);
-      } else {
-        newParams.delete(key);
-      }
   });
-    setSearchParams(newParams);
-  }, [searchParams, setSearchParams]);
+
+  // 更新筛选参数 - 不再修改URL
+  const updateFilters = useCallback((newFilters) => {
+    setFilters(prev => ({ ...prev, ...newFilters }));
+  }, []);
 
   // 加载事件列表
   const loadEvents = useCallback(async (page = 1) => {
     logger.debug('Community', 'loadEvents 被调用', { page });
     setLoading(true);
     try {
-      const filters = getFiltersFromUrl();
       const response = await eventService.getEvents({
         ...filters,
         page,
@@ -169,15 +160,14 @@ const Community = () => {
         setLastUpdateTime(new Date());
       }
     } catch (error) {
-      // ❌ 移除 toast，仅 console 输出
       logger.error('Community', 'loadEvents', error, {
         page,
-        filters: getFiltersFromUrl()
+        filters
       });
     } finally {
       setLoading(false);
     }
-  }, [getFiltersFromUrl, pagination.pageSize]);  // ✅ 移除 toast 依赖
+  }, [filters, pagination.pageSize]);
 
   // 处理筛选变化
   const handleFilterChange = useCallback((filterType, value) => {
@@ -228,7 +218,6 @@ const Community = () => {
   };
 
   // 获取筛选标签
-  const filters = getFiltersFromUrl();
   const filterTags = Object.entries(filters)
     .filter(([key, value]) => {
       if (key === 'industry_code') return !!value;