The codebase is fully AI-authored and developed across many agent sessions; the
canonical conventions have lived only in a private memory store, which the
2026-08-17 review flagged as a real gap (unwritten rules → asymmetric fixes and
comment-vs-code drift, e.g. the cancelled/canceled literal bug).
Add a short, auto-loaded rules-of-the-road: the local gate (never merge/ship
red, no --skip), the trunk workflow and no-AI-co-author commit rule, the
one-way architecture shape, a canonical-pattern table (the review's §6
consistency choices), and the house rules learned from real bugs. Kept
deliberately thin; slims to a pointer once docs/development.md lands.
