Need input about a local task manager you can use with AI

I have built a small todo-app. My main idea was that a developer or supporter should be able to take mails, lists, Excel sheets, screenshots and exports and turn them into a properly formatted plan for further processing using OKF Todo, a free, open-source desktop application I built. It does that using either an MCP server or by directly accessing a SQLite file while referring to an OKF model that describes the metadata. This is an edge-case, I know, because most want a central database, multiple users and access through a mobile app. Is this the correct approach or should I develop it into a multiuser system? Perhaps users ca access the same SQLite file on a server or it could be turned into a server side system using .NET or perhaps PocketBase. Github repository: https://github.com/dalby-md/OKF-Todo/