What it is, how to run it, how configuration works, the module layout, the seven steps to add an endpoint, the standing surprises, and a Kubernetes cheat-sheet — each pointing at the detailed doc. Plus a backend-developer section in SCAN_TO_ORDER.md: file map, local try-out, tests, tuning knobs, and how to change the embedding model or add a provider. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>