Chat Fixes and add on in Laravel Vue Project

I am looking for a Laravel and Vue Developer to work on my chat fixes, you must be very professional and very serious, all points in this project must be done by one developer the website is about Virtual fairs, where they can contact universities and chat with them, the required tasks are related to chat fixes and add ons The student View consists of Lobby ( no chat Here ) Hall with Booths ( public chat where any one can say anything for everyone: all will see ) Students can say anything Universities representative also can join the chat Booths Chat, and we have 2 types of chat Public chat but only under the same university booth, this means other universities representatives cannot see this public chat, only students under this booth and representatives assigned to this booth Private chat, “one to one “ representative and student “This chat system is working fine, your task is not related to create these features” Note the website consists of 2 parts Student View that is made with Laravel and Bootstrap admins view that is made with Laravel and Vue.js Urgent Required Tasks within 3 days Max Fix chat bugs and message delivery issues, as some new messages don’t show until page is refreshed (apply to hall chat and booth chat) Add right chat bar what is the name of this box? ( sidebar ) Enable chat notifications, on 1 to 1 messages and group messages(apply to booth chat only and hall chat) Show unread messages on top and show the number of unread messages (apply to booth chat only ) Enable sound notification on all kind of chats (apply to booth chat only ) Allow university rep to view students who are visiting their booth Continue with the rest of the tasks We are looking to apply everything as in this link [login to view URL] This is a ready-made chat system contain everything we are looking for, it is Laravel Vue Copy and Laravel Bootstrap as well, we can purchase and provide both copies if this will help to implement all the required features