Self-contained handbook so a fresh agent (or future-me) can land useful work on the first turn: vision, repo layout, guardrails, how to find work, the per-change workflow, common patterns, and hard-don't-do rules. Points at ROADMAP.md / SCRIPTS.md as the durable work queue. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>