refactor: use SocketWrapper to wrap the instance

app/src/utils/session.js

@@ -7,6 +7,10 @@ class SessionManager {
     this.session = ref(null)
   }
 
+  getSession() {
+    return this.session.value
+  }
+
   setSession(session) {
     console.log('Update session:', session)
     this.session.value = session
@@ -50,6 +54,4 @@ class SessionManager {
 
 const sessionManager = new SessionManager('helloworld')
 
-sessionManager.lastOrCreate().catch(console.error)
-
 export default sessionManager