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Add fail-closed app release attestation to continuous audit - #398

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claude/m4-r27-02-audit-attestation
Oct 4, 2026
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mergify[bot] merged 5 commits into
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claude/m4-r27-02-audit-attestation

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@Cuarroc

@Cuarroc Cuarroc commented Oct 4, 2026 •

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Das Audit prüft die vom Nutzer selbst angelegte Freigabebestätigung für v1.5.0 strikt und verweigert die App-Freigabe bei jedem Fehler mit einem benannten Grund. Die Datei muss nun nachweislich als reguläre Datei committed sein, aus dem committed Git-Blob gelesen werden und auf einen Vorfahren von HEAD verweisen. Der hohe Reviewbefund zur zuvor möglichen unversionierten oder lokal ausgetauschten Bestätigung wurde mit Red-first-Regressionstests behoben.

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What changed

  • Added scripts/lib/release-attestation.mjs, a fail-closed loader for the user-owned v1.5.0 app-release attestation.
  • Added --attestation <path> to scripts/continuous-audit.mjs; the command exits successfully exactly when appReleaseEligible is true.
  • Required the canonical attestation to be a committed regular file inside the repository, required a clean tree, parsed the committed HEAD:<path> blob, compared it with the working copy, and required the attested commit to equal HEAD or be its ancestor with only the attestation changed afterward.
  • Documented the user workflow in docs/setup/release-attestation.md. Agents still never create the attestation.

Evidence

  • Candidate before review: 6ab0bf7e04a6ea9c0edfb461a92174b9ff75e123; reviewed/fixed candidate: 541b81109a9669704ba6e943ca7bc0b36b8fa9e5; merge base: 5ef7e7dc021e77f1ded3f551e0a13086d3c3e808.
  • Red proof for ignored/untracked and non-ancestor cases: node --test scripts/lib/release-attestation.test.mjs — 15 passed, 2 failed, exit 1 before the fix.
  • Red proof for hidden working-copy replacement: node --test scripts/lib/release-attestation.test.mjs — 17 passed, 1 failed, exit 1 before the fix.
  • Focused final suite: node --test scripts/lib/continuous-readiness.test.mjs scripts/lib/release-attestation.test.mjs — 26/26 passed, exit 0.
  • Red-first gate: bash scripts/ci/red-first.sh — exit 0; all new exact test names and both Regression-For ancestors verified.
  • Full local lane: CARGO_TARGET_DIR=<warm-slot> CARGO_BUILD_JOBS=1 bash scripts/ci/gates.sh lane prepush — exit 0; frontend 485/485, HQ/Node 584/584, Rust nextest 1824/1824 with 17 skipped, clippy green.
  • Push hook reran the full prepush lane at 541b811 — exit 0 with the same test totals; foreground push succeeded and git ls-remote matched 541b81109a9669704ba6e943ca7bc0b36b8fa9e5.

Architecture drift

No drift found against AGENTS.md, docs/decisions.md, docs/architecture-rules.md, or the existing script-layer Git helper pattern. The change introduces no frontend state, Tauri command/result shape, store/lock access, IPC name, or Rust-to-frontend event path.

Review disposition

Tier A, two independent non-Claude reviewers. Round 1 candidate: 6ab0bf7e04a6ea9c0edfb461a92174b9ff75e123. Round 2 reviewed only the correction delta 6ab0bf7..541b811; no code changed after that round.

  • Codex (reviewer: Codex; exact model label was not separately reported by the session), C1, high — accepted. At original scripts/lib/release-attestation.mjs:20,38,42-54 together with .gitignore:27, an ignored, untracked canonical file could pass when its JSON named HEAD; git status stayed clean and the loader did not prove a committed blob. Countercheck reproduced this in an isolated repository, so the finding survived. Fixed red-first by af11952, 994b23c, 241835d, and 541b811: the path is explicitly trackable, must be a committed regular file, and its parsed working data must equal the committed HEAD:<path> blob. The sibling assume-unchanged replacement route is covered by the exact test attestation: hidden working-copy content cannot replace the committed attestation.
  • Codex, C2, low — accepted. At original scripts/lib/release-attestation.mjs:42-54, git diff <commit>..HEAD did not establish ancestry and could accept an unrelated commit. Countercheck showed no outer gate supplied that proof. Fixed red-first by af11952 and 994b23c with git merge-base --is-ancestor and the exact test attestation: a non-ancestor commit is refused.
  • Ollama reviewer, requested glm-5.2:cloud, reported model glm-5.2, F1, medium — rejected. At original scripts/continuous-audit.mjs:67 (now line 74), exiting from appReleaseEligible instead of the continuous-release conjunction is the explicit E20 package contract; continuous-readiness.mjs deliberately separates app release from disabled Continuous release. Countercheck found no regression.
  • Ollama/GLM, F2, medium — rejected. At original scripts/continuous-audit.mjs:48-55, the reviewer proposed that readiness.attestations.appRelease might be absent. Countercheck traced evaluateContinuousReadiness, which synchronously and unconditionally creates that object, so the alleged dereference failure is not reachable.
  • Ollama/GLM, F3, low — rejected. At original scripts/lib/release-attestation.mjs:12,38-50, suppressed Git stderr produces a stable named fail-closed reason. Countercheck found no safety or functional defect; this is diagnostic wording only.
  • Ollama/GLM, F4, low — accepted. The non-ancestor issue at original scripts/lib/release-attestation.mjs:42-54 independently matched Codex C2 and was fixed by af11952 and 994b23c.
  • Codex round 2 on 6ab0bf7..541b811 — no remaining finding. The delta was checked for path confinement, regular committed-file provenance, blob binding, clean-tree behavior, ancestry, sibling bypasses, and architecture drift.
  • Ollama/GLM round 2, R2-F1, medium — rejected. At final scripts/lib/release-attestation.mjs:18-19, there is no dedicated outside-repository test. Countercheck found the guard straightforward and redundant with the committed-file gate; no bypass or bug was demonstrated, so red-first does not require a speculative test.
  • Ollama/GLM round 2, R2-F2, low — rejected. At final scripts/lib/release-attestation.mjs:45-50, malformed committed JSON maps to the generic Git-state-unavailable reason. It remains fail-closed; countercheck found only imprecise diagnostics, not a safety or functional defect.
  • Ollama/GLM round 2, R2-F3, low — rejected. At final scripts/lib/release-attestation.mjs:52-56, a malformed or unknown commit shares the ancestor-mismatch reason. It remains fail-closed; countercheck again found only diagnostic wording.

No review finding remains open. No manual queue or merge action was taken.

NICHT ABGEDECKT

  • This Windows run does not compile Unix-only #[cfg(unix)] tests or the Linux clippy arm; the Linux half requires WSL2 on ext4.
  • External services and a real user-created release attestation were not exercised.
  • The full Windows/Linux merge-queue combination remains CI responsibility.

--attestation <path> loads the user-written v1.5.0 attestation; any
refusal yields appReleaseAttested=false with a named reason. Exit 0 iff
appReleaseEligible. HQ stays all-false.

Test-First: scripts/lib/release-attestation.test.mjs::attestation: missing file is refused with a named reason
Test-First: scripts/lib/release-attestation.test.mjs::attestation: invalid JSON is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: non-object JSON is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: extra key is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: missing key is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: wrong release is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: rows must be exactly 1..26
Test-First: scripts/lib/release-attestation.test.mjs::attestation: bad decidedAt is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: empty decidedBy is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: continuousEnabled true is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: commit mismatch is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: dirty work tree is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: a non-repository is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: happy path with the attestation itself committed on top
Test-First: scripts/lib/release-attestation.test.mjs::attestation: a later code commit invalidates it

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
@Cuarroc
Cuarroc marked this pull request as ready for review October 4, 2026 22:35
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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-04T22:41:33.117858Z 6ab0bf7 Draft marked ready
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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 6ab0bf7e04

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

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  • Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

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let head;
try {
head = git(root, ['rev-parse', 'HEAD']).trim();
if (git(root, ['status', '--porcelain']).trim() !== '') return no('work tree is not clean');

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P1 Badge Require the attestation to be tracked

The documented .pa/release_attestation_v1.5.0.json is covered by the repository's .pa/* ignore rule, so an untracked local file is invisible to git status --porcelain; when its commit equals HEAD, the later diff check is skipped and the mutable, never-committed file is accepted. This lets the release audit report eligibility without the durable user commit promised by the workflow, so verify that the path is tracked and that its blob matches HEAD (or explicitly unignore the canonical file).

AGENTS.md reference: AGENTS.md:L44-L46

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// exactly the commits that touch nothing but the attestation file.
let changed = null;
try {
changed = git(root, ['diff', '--name-only', `${data.commit}..${head}`]).split('\n').filter(Boolean);

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P1 Badge Inspect intervening commits instead of the net tree diff

git diff --name-only <attested>..<head> only compares the endpoint trees, so a code commit followed by a revert leaves only the attestation path in the net diff and is accepted. This contradicts the stated guarantee that every later code change invalidates the attestation and can bind release approval to a different commit history; require the attested commit to be an ancestor and inspect the paths touched by every intervening commit rather than only the final tree difference.

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const report = await buildReport(process.cwd(), options);
console.log(JSON.stringify(report, null, options.json ? 2 : 0));
return report.continuousEligible && report.continuousReleaseEligible ? 0 : 1;
return report.appReleaseEligible ? 0 : 1;

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P1 Badge Preserve the continuous preflight exit contract

With a valid app attestation and ready setup/runtime, this now returns 0 even though every continuous-mode evidence flag above remains false and both continuousEligible and continuousReleaseEligible are false. docs/development/CONTINUOUS.md:95-105 documents this command as the fail-closed continuous rollout preflight whose exit remains nonzero while either eligibility result is false, so any existing wrapper that checks only the process status can now treat a blocked continuous rollout as successful; expose app-release eligibility through a distinct explicit mode or command instead of changing the continuous gate's success condition.

AGENTS.md reference: AGENTS.md:L118-L123

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Comment on lines +29 to +30
if (typeof data.decidedAt !== 'string' || !ISO_8601.test(data.decidedAt) || Number.isNaN(Date.parse(data.decidedAt))) {
return no('decidedAt must be an ISO 8601 timestamp');

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P2 Badge Reject normalized invalid calendar dates

For syntactically shaped but impossible dates such as 2026-02-30T10:00:00Z, Date.parse normalizes the value to March 2 rather than returning NaN, so the supposedly strict attestation accepts and permanently records an invalid decision timestamp. Validate the parsed calendar components against the supplied components, or use an ISO parser that rejects out-of-range dates.

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Comment on lines +72 to +74
const report = await buildReport(process.cwd(), options);
console.log(JSON.stringify(report, null, options.json ? 2 : 0));
return report.continuousEligible && report.continuousReleaseEligible ? 0 : 1;
return report.appReleaseEligible ? 0 : 1;

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P1 Badge Enforce the attestation in the actual release path

This exit status is the only enforcement added, but neither the tag-producing scripts/release.cmd nor the tag-triggered .github/workflows/release.yml invokes this command or loads the attestation. A user can therefore run the existing release script and publish signed installers with the attestation missing or refused, despite the new documentation stating that v1.5.0 release approval exists only after this confirmation; make the tag/release path fail before publishing unless the attestation passes for the exact tagged commit.

AGENTS.md reference: AGENTS.md:L44-L46

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@mergify

mergify Bot commented Oct 4, 2026 •

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Queued — the merge queue status continues in this comment ↓.

Test-First: scripts/lib/release-attestation.test.mjs::attestation: an ignored untracked file is refused

Test-First: scripts/lib/release-attestation.test.mjs::attestation: a non-ancestor commit is refused
Test-First: scripts/lib/release-attestation.test.mjs::attestation: hidden working-copy content cannot replace the committed attestation
@Cuarroc Cuarroc added the review-ok Pipeline: review disposition complete, no open high finding label Oct 4, 2026
@Cuarroc

Cuarroc commented Oct 4, 2026

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@mergify mergify Bot added the queued label Oct 4, 2026
@mergify mergify Bot mentioned this pull request Oct 4, 2026
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mergify Bot merged commit 0ac85a6 into main Oct 4, 2026
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mergify Bot deleted the claude/m4-r27-02-audit-attestation branch October 4, 2026 23:39
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Merge Queue Status

This pull request spent 13 minutes 58 seconds in the queue, including 13 minutes 42 seconds running CI.

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