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
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CLAUDE.md
Guidance for Claude Code when working in this repository. Keep this file under
200 lines. For team setup and a newcomer walkthrough, see
ONBOARDING.md; for how the docs fit together and which to
read when, see AGENTS.md.
What this is
sica-fondt is a design-first, polyglot architecture: an Ichor perfusion bus (Pony) feeds an Ada/SPARK border (D1), which fronts the inner brain, with a COBOL invariant-law vault as the constitution. The design docs are the source of truth; the code follows them.
Working agreements
- You're the dev. When details are missing or a decision is open, make the reasonable call and fill in concrete details — don't leave placeholders or stall to ask, unless something is genuinely ambiguous.
- Verify, then commit. After generating or editing, confirm it works (build
/ run /
run-sica-fondtsmoke), then commit with a descriptive message. Commit and push before ending a session — the container is ephemeral. - Design before code. If something feels ambiguous, the answer is usually
already written in
docs/. Sync the design first.
Build & run
Use the run-sica-fondt skill (.claude/skills/run-sica-fondt/) — its
smoke.sh builds and runs every executable unit and asserts output:
.claude/skills/run-sica-fondt/smoke.sh # want: smoke: ALL GREEN
Per-unit commands and gotchas live in that skill's SKILL.md. Toolchains
(ponyc/Alire/GnuCOBOL) are reinstalled each session by the SessionStart hook
.claude/hooks/install-toolchains.sh; if ponyc isn't found,
export PATH=/root/.local/share/ponyup/bin:$PATH.
Invariants — do not violate
- S1: all external traffic crosses the Ada border (D1) first; never route around it.
- S2: never reclassify a message's provenance.
- S3 / vault: the COBOL invariant-law vault (Invariant 0, the culpability anchor; 01, minimize harm) is immutable at runtime — don't edit it casually.
Docs map
README.md,SOUL.md— the project and its intent.docs/— architecture (bus-topology.md,gen03_state_of_architecture.md, …).ONBOARDING.md— new-teammate setup and walkthrough.AGENTS.md— which document to read for what.