Protecting component package names on PyPI before a project is ready to publish

I’m building an open source game engine in pure Python, with Vulkan desktop rendering and WebGPU export so games run in the browser. The site and demos are up and I’m putting together the infrastructure for early dev previews. First public preview is about a month out, but a real release is more like 6 to 12 months away. The project is split up the usual way into projectname, projectname-core, projectname-graphics, projectname-editor and a few more. Right now they come off a private index ...