- AGENTS.md: ground rules (legal access, evidence, fairness), invariants
that are easy to break, commands, and notes on the owner's dev machine;
CLAUDE.md imports it
- backend/tests/Dockerfile.debian: test image from Debian packages for
networks where PyPI is unreachable, documented in testing.md
- roadmap: list what v2 has not been verified against yet
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>