CLAUDE.md (<=200 lines): working agreements (you're-the-dev, verify-then-commit,
design-first), build/run via run-sica-fondt, S1/S2/S3 invariants; links to
ONBOARDING.md and AGENTS.md. AGENTS.md (<=100 pref): signpost to every doc and
which to read for which task. ONBOARDING.md now points at AGENTS.md.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015hmgREHNsxYCuim33yUF2c
