How can I have multiple Convex deployments inside the same project?

I currently have: src/app-a/convexsrc/app-a/convex and src/app-b/convexsrc/app-b/convex, and then update convex.jsonconvex.json and env.localenv.local accordingly when I need to access a specific project. But when running convex devconvex dev, I get the same data for both apps (where I'd expect to see different data based on the project.) Is there a way to differentiate these projects? If so, which variables does convex devconvex dev takes into account to start different projects?