tried similar setups in the past, but messages is just not my jam, so built a html wrapper on top of claude code and open code that runs on a small-ish instance. looks like this https://i.imgur.com/lj9Fgco.png (screenshot anonymized with chatgpt) and allows multiple conversation per project, and has a few conveniences like scheduled tasks. one of the project in the list is the project itself, so I can add features whenever.