新增消息列表API，优化消息列表组件以支持加载状态和数据同步，提升用户体验和代码可读性。

Touchkebao/src/store/module/weChat/message.ts

@@ -1,24 +1,48 @@
 import { create } from "zustand";
 import { persist } from "zustand/middleware";
 import { Message, MessageState } from "./message.data";
+
+/**
+ * 会话列表状态管理Store
+ * 职责：只管理状态，不存储会话列表数据
+ * 数据存储在：组件state + IndexedDB
+ */
 export const useMessageStore = create<MessageState>()(
   persist(
     (set, get) => ({
-      messageList: [], //消息列表
-      currentMessage: null, //当前选中的消息
-      updateMessageList: (messageList: Message[]) => set({ messageList }), //更新消息列表
+      // ==================== 新增状态管理 ====================
+      loading: false,
+      refreshing: false,
+      refreshTrigger: 0,
+      lastRefreshTime: null,
+
+      setLoading: (loading: boolean) => set({ loading }),
+      setRefreshing: (refreshing: boolean) => set({ refreshing }),
+      triggerRefresh: () =>
+        set({
+          refreshTrigger: get().refreshTrigger + 1,
+          lastRefreshTime: new Date().toISOString(),
+        }),
+
+      // ==================== 保留原有接口（向后兼容） ====================
+      messageList: [],
+      currentMessage: null,
+      updateMessageList: (messageList: Message[]) => set({ messageList }),
       updateCurrentMessage: (message: Message) =>
-        set({ currentMessage: message }), //更新当前选中的消息
+        set({ currentMessage: message }),
       updateMessageStatus: (messageId: number, status: string) =>
         set({
           messageList: get().messageList.map(message =>
             message.id === messageId ? { ...message, status } : message,
           ),
-        }), //更新消息状态
+        }),
     }),
     {
       name: "message-storage",
       partialize: state => ({
+        // 只持久化必要的状态，不持久化数据
+        lastRefreshTime: state.lastRefreshTime,
+        // 保留原有持久化字段（向后兼容）
         messageList: [],
         currentMessage: null,
       }),
@@ -54,3 +78,24 @@ export const getCurrentMessage = () =>
  */
 export const updateMessageStatus = (messageId: number, status: string) =>
   useMessageStore.getState().updateMessageStatus(messageId, status);
+
+// ==================== 新增导出函数 ====================
+
+/**
+ * 设置加载状态
+ * @param loading 加载状态
+ */
+export const setLoading = (loading: boolean) =>
+  useMessageStore.getState().setLoading(loading);
+
+/**
+ * 设置同步状态
+ * @param refreshing 同步状态
+ */
+export const setRefreshing = (refreshing: boolean) =>
+  useMessageStore.getState().setRefreshing(refreshing);
+
+/**
+ * 触发刷新（通知组件重新查询数据库）
+ */
+export const triggerRefresh = () => useMessageStore.getState().triggerRefresh();