The 15-File Setup That Turned Claude Code Into My Development Team

I was explaining my tech stack to Claude Code for the tenth time in a week. Same project. Same framework. Same conventions. And yet, every new session started like day one of onboarding a contractor who’d never seen our codebase. “We use callback-driven validation, not prompt-based.” “Yes, structured logging only - no print statements.” “The agent endpoints stream via SSE.” That’s when it hit me: I wasn’t using an AI development tool. I was babysitting one.