添加中断，修复电脑手机运行时信号

stores/socket.js

@@ -159,7 +159,7 @@ export const useSocketStore = defineStore('socket', () => {
 		} = messageData || {}
 
 		// 调试日志：明确输出 type 和 data
-		console.log('[handleMessage] type =', type, ', data =', JSON.stringify(data));
+		console.log(`[handleMessage] type = ${type}, data = ${JSON.stringify(data)}`);
 
 		switch (type) {
 			case 'auth_ok':
@@ -180,6 +180,10 @@ export const useSocketStore = defineStore('socket', () => {
 				addLog('warn', 'AI正在回复信息')
 				handleBusinessMessage(data)
 				break
+				
+			case 'pc_offline':
+				addLog('warn', 'PC 端已离线')
+				break
 
 			default:
 				addLog('info', `未知事件类型: ${type}`)
@@ -252,6 +256,10 @@ export const useSocketStore = defineStore('socket', () => {
 		if (chunk) {
 			// 拼接 ai 回复的内容
 			messageString.value += chunk
+			if (!isThinking.value) {
+				console.log("修改状态为开始思考");
+				isThinking.value = true
+			}
 		}
 	}