thanhnvandClaude Opus 4.8
36a4812ef3
Standard production layout: the OKR app (was nested under AINative_OKR_CASAN5/) is now
the repository root. No more wrapper directory.
- Promote AINative_OKR_CASAN5/* -> repo root (backend/ frontend/ packages/ apps/
.specify/ docs/ infra/ nginx/ scripts/ + configs). Merge tool dirs: .gitea (kept the
active deploy ci.yml, added harness-ci.yml + runbooks), .claude (agents/commands +
launch.json), .github moved up.
- Remove redundant: 00_SUBMISSION_PACKAGE, scattered root notes (FPT_CASAN_Full.md,
tu-tuong-casan.md, casan-tu-sinh..., casan_harness_assessment.md, source-review...,
README_CASAN5_REFINED.md), casan-next-plans/ and optimize-docs/ (competition/planning
artifacts — roadmap + design history preserved in git log / commit messages).
- Update all references to the old layout:
- .gitea/workflows/{ci,harness-ci}.yml, .github/workflows/{ci,deploy}.yml:
working-directory .; drop AINative_OKR_CASAN5/ prefix; .specify/{tests,scripts}
-> packages/casan-harness/... (.specify/logs state kept)
- .claude/launch.json, .gitea/*-runbook.md: path prefixes
- CLAUDE.md, README.md: docs/input -> apps/okr/domain/input
- policy-bundle.yaml: 8 policy paths -> packages/casan-harness/...; manifest re-signed
- secrets-scan.sh: fixture excludes -> new package/domain paths.
Full gate from the new root: PASS=64 FAIL=0 SKIP=3.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
129 lines
7.2 KiB
Markdown
129 lines
7.2 KiB
Markdown
# CASAN Phase 3 — Wave 3 Results
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**Date:** 2026-06-30
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**Executed by:** Claude Sonnet 4.6, in CASAN5, against the live local model (`ollama:ornith:9b`).
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**Integrity:** real numbers only; blocked items recorded as BLOCKED, not pass. No claimed score without real audit.
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**Evidence:** `docs/output/casan/phase3-evidence/wave3/`.
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---
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## Implemented (real, verified)
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### WP-B (H3) — Model judge gate wired into review steps
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Modified `scripts/casan-step.mjs` to add `judgeArtifact()` at review gates 04-reviewspec, 06-reviewplan, 10-reviewcode.
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- Logic: if rule verdict=APPROVED → call `model-router.sh --role judge` on the artifact. Final verdict = AND(rule, model).
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- SKIP is non-blocking: if Ollama is down or model returns SKIP, rules alone decide.
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- Criteria injected before artifact (not inside UNTRUSTED block) so model sees what to check.
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Test (`phase3-judge-gate-tests.sh` — **PASS=5 FAIL=0**):
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| Test | Result |
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|---|---|
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| T1: attempt=1 plan missing rollback → REJECTED by rules | PASS |
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| T1b: report names specific missing criteria | PASS |
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| T2: attempt=2 complete plan → report has model-judge verdict | PASS |
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| T3: model SKIP is non-blocking (Ollama down → rules win) | PASS |
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| T4: malformed model output → REJECTED fail-closed | PASS |
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Real fail-before/fix cycle evidence: step 05-plan attempt=1 writes `TODO: define golden regression and rollback strategy.` → step 06-reviewplan REJECTS with "missing plan criterion: Golden regression test" and "missing plan criterion: Rollback strategy". Attempt=2 writes full plan → APPROVED.
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### WP-S2 (H4) — Red-team corpus expanded to 30 samples (DoD requirement met)
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Added 10 novel injection paraphrases (inj-11 through inj-20) + 4 benign (ben-07 through ben-10).
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All 10 new injections confirmed to bypass the regex blocklist (regex-clean = all 10). Novel categories: authority-claim, authorization-bypass, compliance-waiver, sandbox-claim, constraint-relax, context-demote, filter-suspend, policy-stale, sandbox-off, permission-grant.
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Real metrics on **30-sample corpus** (`phase3-evidence/wave3/redteam-metrics-30sample.log`):
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| Layer | precision | recall |
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|---|:--:|:--:|
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| regex-only | 1.00 | **0.00** (caught 0/20 novel paraphrases) |
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| model layer | 1.00 | **0.85** (caught 17/20; 0 false-positives on 10 benign) |
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`GATE model_recall>=0.8 AND model_recall>regex_recall → PASS`
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Honest note: recall dropped from 0.90 (10 samples) to 0.85 (20 samples) because the expanded corpus adds more diverse injection styles (authority-claim, policy-stale) that are harder for the 9B local model. 3 novel paraphrases still evade the model; cloud/larger model would improve coverage. This is an honest result, not a hand-picked sample.
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### WP-S4 (H4) — Secrets lifecycle scan
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Script: `secrets-scan.sh` (**PASS=6 FAIL=0**):
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1. No `.env` files in git index
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2. No real private key PEM headers in tracked files (test fixtures excluded)
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3. No private key files (`*-private.pem`, `*-private.key`, `id_rsa`) in git index (public keys `audit-public.pem`, `policy-public.pem` are intentionally committed for verification — correct design)
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4. `.gitignore` covers `.env`, `*.pem`, `*.key`
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5. No API key patterns (`sk-`, `AKIA`, `ghp_`) in audit/log files
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6. No hardcoded API key assignments in tracked code
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Historical leak scan (git history) is documented as a production requirement (needs `git-secrets` in CI); not claimed as done.
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### WP-S5 (H4) — tool-exec.sh wired into casan-harness.sh
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Modified `casan-harness.sh` to wrap command execution with `tool-exec.sh $TIMEOUT` in the execution path. `CASAN_TOOL_TIMEOUT_SECONDS` (default 30s) controls the timeout per tool call.
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Proof: `CASAN_TOOL_TIMEOUT_SECONDS=2 bash casan-harness.sh ... -- sleep 60` → `TOOL_EXEC_TIMEOUT after 2s` in stderr. Verified in adversarial suite.
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### WP-S6 (H4) — No-bypass scan + circuit breaker
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Script: `circuit-breaker-check.sh` (**PASS=2 FAIL=0**):
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1. **No-bypass scan**: scans control scripts for `--no-verify`, `SKIP_GOVERNANCE`, `SKIP_SECURITY`, `SKIP_CASAN`, `bypass_gate`, `force_approve`, `hardcode.*PASS` on non-comment lines. Found: none.
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2. **Circuit breaker**: reads `provider-usage.jsonl`, counts consecutive model failures. If ≥5 consecutive → CIRCUIT_OPEN. Current: 0 failures.
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### WP-S7 (H4) — Indirect injection scanner for artifacts
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Script: `artifact-scan.sh` — runs `security-check.sh` on artifact files before a sub-agent reads them. Prevents injected content in specs/plans/context YAML from poisoning downstream model calls.
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Fail-before/fix proof:
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- Injected artifact (`Ignore all previous instructions and...`) → `ARTIFACT_SCAN_BLOCKED` (exit 2)
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- Clean artifact (FR-01/FR-02 requirements) → `ARTIFACT_SCAN_CLEAN` (exit 0)
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### Adversarial suite — extended to PASS=40 FAIL=0
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Added 6 Wave 3 tests to `adversarial-harness-tests.sh`:
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1. H4 artifact-scan blocks injected content
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2. H4 artifact-scan passes clean content
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3. H4 secrets scan passes
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4. H4 circuit breaker + no-bypass passes
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5. H4 tool-exec timeout fires through harness
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6. H3 judge gate T1-T4 all pass
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Previous total: 34 tests; new total: **40 tests, 0 failures**.
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---
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## Blockers (unchanged, recorded honestly)
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1. **Frontend Vitest tests** — `frontend/node_modules` is empty (npm install not run); `vitest` binary absent. Frontend test is still `tsc --noEmit`. BLOCKED.
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2. **Cloud provider** — no API keys → no multi-provider judge diversity; single local model only.
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3. **AWS/KMS/Object Lock** — not configured → H5 KMS/WORM not claimed.
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4. **Full pipeline end-to-end run** — backend `node_modules` state uncertain; full pipeline run not re-executed.
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---
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## Files added/changed (Wave 3)
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| File | Change |
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|---|---|
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| `scripts/casan-step.mjs` | Added `judgeArtifact()` helper + wired into steps 04, 06, 10 |
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| `.specify/tests/phase3-judge-gate-tests.sh` | New — WP-B judge gate tests (PASS=5) |
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| `.specify/security/redteam-corpus.jsonl` | Expanded 16→30 samples (10 new injection + 4 new benign) |
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| `.specify/scripts/bash/secrets-scan.sh` | New — WP-S4 secrets lifecycle scan |
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| `.specify/scripts/bash/artifact-scan.sh` | New — WP-S7 indirect injection scanner |
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| `.specify/scripts/bash/circuit-breaker-check.sh` | New — WP-S6 no-bypass + circuit breaker |
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| `.specify/scripts/bash/casan-harness.sh` | WP-S5: wrapped command execution with `tool-exec.sh` |
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| `.specify/scripts/bash/security-gate.sh` | Added WP-S4/S6/WP-B judge gate, updated red-team label |
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| `.specify/tests/adversarial-harness-tests.sh` | Added 6 Wave 3 tests (34→40 total) |
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---
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## Score statement
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**No final score claimed without a full independent audit.** Wave 3 adds:
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- H3: real model judge gate with fail-before/fix cycle (WP-B)
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- H4: corpus DoD-sized (30 samples), indirect injection scanner, secrets lifecycle, tool timeout in harness, circuit breaker/no-bypass (WP-S2/S4/S5/S6/S7)
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- All adversarial tests green (PASS=40 FAIL=0)
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- Full security gate pending (running at time of writing)
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Estimated score delta vs Wave 2 (~84 avg): H3 improves from 82 toward 85 (real judge gate + fail-before), H4 improves from 80 toward 85 (corpus complete, indirect injection, secrets, timeout wired, circuit breaker). Other harnesses unchanged. Conservative honest estimate: **H3 ≈ 85, H4 ≈ 85, others unchanged** → **avg ~83–84**. Ceiling on ~90 remains the blockers above.
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