I Built an OSS to Stop AI from Writing Inconsistent Code Every Time (Claude Code / Cursor / Kiro)

"Write a function to fetch the list of users." — same prompt, same codebase. Yesterday: getUsers(). Today: fetchUserList(). Tomorrow: loadAllUsers(). Six months of AI-assisted coding and I kept hitting this wall. My initial reaction was "maybe I need to write better prompts." I wrote better prompts. The functions got slightly better. New inconsistencies appeared elsewhere. The problem wasn't the AI's capability. It was that I had never given it my team's unwritten rules. That realization led...