fix: 移除currentContract持久化并清理调试日志和WebSocket状态

移除weChat模块中currentContract的持久化配置，避免登录和刷新时数据残留
清理ChatWindow组件中的调试日志
在登录时清空WebSocket连接状态

Cunkebao/src/pages/login/Login.tsx

@@ -7,6 +7,7 @@ import {
   UserOutline,
 } from "antd-mobile-icons";
 import { useUserStore } from "@/store/module/user";
+import { useWebSocketStore } from "@/store/module/websocket/websocket";
 
 import { loginWithPassword, loginWithCode, sendVerificationCode } from "./api";
 import style from "./login.module.scss";
@@ -75,6 +76,8 @@ const Login: React.FC = () => {
 
     response.then(res => {
       const { member, kefuData, deviceTotal } = res;
+      // 清空WebSocket连接状态
+      useWebSocketStore.getState().clearConnectionState();
       login(res.token, member, deviceTotal);
       const { self, token } = kefuData;
       login2(token.access_token);

Cunkebao/src/pages/pc/ckbox/components/ChatWindow/index.tsx

@@ -84,7 +84,6 @@ const ChatWindow: React.FC<ChatWindowProps> = ({
 
     // 更新上一次的消息状态
     prevMessagesRef.current = currentMessages;
-    console.log("视频状态变化:", hasVideoStateChange, currentMessages);
   }, [currentMessages]);
 
   const scrollToBottom = () => {

Cunkebao/src/store/module/weChat/weChat.ts

@@ -146,7 +146,7 @@ export const useWeChatStore = create<WeChatState>()(
     {
       name: "wechat-storage",
       partialize: state => ({
-        currentContract: state.currentContract,
+        // currentContract 不做持久化，登录和页面刷新时直接清空
       }),
     },
   ),