Solo development is supposed to be simple. One developer. One vision. One way of doing things. No coordination overhead. No conflicting opinions about folder structure or naming conventions. Just you and the codebase. Then you open a file you wrote three weeks ago and it looks like someone else wrote it. The component structure is different from the one you built last week. The naming follows a pattern you do not recognize as yours. The state management approach is subtly different from everything around it. You did not change. Your standards did not change. But GitHub Copilot had a different session that day and made different decisions. The invisible team problem When multiple developers work on a project without a shared standard, the codebase accumulates their individual styles. Every developer leaves traces of how they think, how they name things, how they structure code. Solo developers with AI have the same problem. Except the other developers are sessions. Every Copilot session is slightly different.…