Here there must be a search filter to access previous chats quickly
you can also add categorization of them, let users choose categories and also provide configuration on how they might choose to see it
whether it can be grouped by date as in the last access date or category
some can choose health, games, movies, general info, news, job search, finance, or any category a user can add and can choose to group by them.
Along with grouping, it must have a search bar for users to write strings and find the chat they are looking for