I slashed my AI token costs by 90% by...

Most AI-generated documentation is a waste of space. It tells you what the code does (e.g., "This function is a POST request"), which any competent agent can already see. It doesn't tell the agent why you made certain choices. I was working in a massive Laravel monorepo (230+ fragmented doc files). Every time I asked Claude Code or Cursor to do a task, it burned thousands of tokens just trying to understand the basic architecture and legacy gotchas. The Solution: code-wiki I realized that to mak