Merge branch 'feature_bugfix/251201_vf_h5_ui' into feature_2025/251209_stock_pref

* feature_bugfix/251201_vf_h5_ui:
  feat: 事件关注功能优化 - Redux 乐观更新 + Mock 数据状态同步
  feat: 投资日历自选股功能优化 - Redux 集成 + 乐观更新
  fix: 修复投资日历切换月份时自动打开事件弹窗的问题
  fix: 修复 CompanyOverview 中 Hooks 顺序错误

src/mocks/data/account.js

@@ -128,6 +128,13 @@ export const mockRealtimeQuotes = [
 
 // ==================== 关注事件数据 ====================
 
+// 事件关注内存存储（Set 存储已关注的事件 ID）
+export const followedEventsSet = new Set();
+
+// 关注事件完整数据存储（Map: eventId -> eventData）
+export const followedEventsMap = new Map();
+
+// 初始关注事件列表（用于初始化）
 export const mockFollowingEvents = [
   {
     id: 101,
@@ -231,6 +238,74 @@ export const mockFollowingEvents = [
   }
 ];
 
+// 初始化：将 mockFollowingEvents 的数据加入内存存储
+mockFollowingEvents.forEach(event => {
+  followedEventsSet.add(event.id);
+  followedEventsMap.set(event.id, event);
+});
+
+/**
+ * 切换事件关注状态
+ * @param {number} eventId - 事件 ID
+ * @param {Object} eventData - 事件数据（关注时需要）
+ * @returns {{ isFollowing: boolean, followerCount: number }}
+ */
+export function toggleEventFollowStatus(eventId, eventData = null) {
+  const wasFollowing = followedEventsSet.has(eventId);
+
+  if (wasFollowing) {
+    // 取消关注
+    followedEventsSet.delete(eventId);
+    followedEventsMap.delete(eventId);
+  } else {
+    // 添加关注
+    followedEventsSet.add(eventId);
+    if (eventData) {
+      followedEventsMap.set(eventId, {
+        ...eventData,
+        followed_at: new Date().toISOString()
+      });
+    } else {
+      // 如果没有提供事件数据，创建基础数据
+      followedEventsMap.set(eventId, {
+        id: eventId,
+        title: `事件 ${eventId}`,
+        tags: [],
+        followed_at: new Date().toISOString()
+      });
+    }
+  }
+
+  const isFollowing = !wasFollowing;
+  const followerCount = isFollowing ? Math.floor(Math.random() * 500) + 100 : Math.floor(Math.random() * 500) + 50;
+
+  console.log('[Mock Data] 切换事件关注状态:', {
+    eventId,
+    wasFollowing,
+    isFollowing,
+    followedEventsCount: followedEventsSet.size
+  });
+
+  return { isFollowing, followerCount };
+}
+
+/**
+ * 检查事件是否已关注
+ * @param {number} eventId - 事件 ID
+ * @returns {boolean}
+ */
+export function isEventFollowed(eventId) {
+  return followedEventsSet.has(eventId);
+}
+
+/**
+ * 获取所有已关注的事件列表
+ * @returns {Array}
+ */
+export function getFollowedEvents() {
+  return Array.from(followedEventsMap.values());
+}
+
 // ==================== 评论数据 ====================
 
 export const mockEventComments = [