Harden the three-group OSV policy and SARIF upload paths (port #555)

[seathatflowsinourveins]

Scope

• Port OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555 review-7 policy and evidence fixes onto the current three-group OSV workflow: reject case-varied ignore and package-override keys and broad npm overrides, require one config per scanner invocation, catch the eleven contract mutations plus an inline duplicate-config variant, and keep later archive uploads running after an earlier upload fails.
• Base commit: 463a57b983eec540ae90eb45c2b1a7c6fc469aed (main). The content was built and tested at cac8700ba914950266272347468bff7ad630a4bf, then rebased onto this main without conflicts. The rebase left all 68 content blobs unchanged, and the evidence registry was rebuilt on this main. Reviewed head: 48bbe5c5f8090c52eab4b99fb1514fa8b20c3238. Head after the review repair round: 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36. Head after the re-check minors round: 2550f3b14532610463cda7f1b16e3f932c2b43d8. Head after merging main e0c329ae98efb6ac5e11a49220b69ec6eddbb658: ead28ff4408f5071e8a9504649a6437f724069dc (merge commit 2642659a64170a3bf66ea9fc703ea388be4503ff, then the hot-file restore 5ae294b053644c5992276b4ae53da9ffdfd79175 and the registry reapply, last).
• Commits: 476f600999db09371d825b88c17b74db4648c11e (content, 68 paths), 48bbe5c5f8090c52eab4b99fb1514fa8b20c3238 (registry only), then the review repair round: 5ffdabc5dec54c581149b4ec79e9340dc8e77e17 (content, 6 paths: the policy test module, both decision records, the receipt and two new repair-round artifacts) and 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36 (registry only), then the re-check minors round: ebc57800ae8955cf99fd7fa9c2c26e6fa4c35775 (content, 8 paths: the policy test module, the receipt and six new control artifacts) and 2550f3b14532610463cda7f1b16e3f932c2b43d8 (registry only, last).
• Lane: lane:foundation.
• Owned paths touched: .github/workflows/security-scan.yml, tests/test_osv_lockfile_coverage.py, tests/test_workflow_hardening.py, the automation closure decision and new dated hardening decision, selected OpenHands historical excerpts/new helper copy, evidence/artifacts/osv-split-hardening-port-20261003/, the new receipt and manifests/evidence.json.
• Preserve the three scan groups, Retire historical WSL retrieval replay and isolate its archive scan #622's status loop and the point-in-time archive policy/receipt bytes. Source port: native-agent-stack OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555 head 8c263acebe7396c09d66d9d4f70bf144e1c4cdd3, tests/test_osv_lockfile_coverage.py and its selected review/helper artifacts.

SOTA sources

• OSV-Scanner v2.6.0 configuration, revision e840a6e8adb14b7777c78e26cfbf6e2abc1d1fc6: explicit config scope, package overrides, anchored regexes and the --config=path spelling.
• OSV-Scanner v2.6.0 Manager.Get and ShouldIgnore / override matching, same revision: an explicit override reaches every input; an absent ecosystem imposes no ecosystem restriction.
• OSV-Scanner v2.6.0 PackageOverrideEntry toml tags and its Vulnerability / License tables, same file (sha256 a49970f7f8fb7383b6ce2255f024698a90331404b917a65fdde3151642efdcd4, re-fetched in the repair round): the exact key set that override_problems now enforces.
• OSV-Scanner v2.6.0 go.mod pins BurntSushi/toml v1.6.0 decode.go, revision 52534926c55b4cd85b05aee90569dd0668b8cf30: struct key mapping falls back to case-insensitive matching. Source does not guarantee which of id / ID (or ecosystem / Ecosystem) wins.
• GitHub status-check functions, checked against github/docs b32e08ff: default success() and the recommended !cancelled() condition for later failure-path execution.
• The repository's pinned native lint recipes: kjanat/actionlint v1.17.0, .github/workflows/validate.yml, and zizmor 1.30.1, .github/requirements-ci.txt.

Evidence-class table

Claim	Evidence class	Command / receipt
Current three-group step exits 0 with six zero statuses and three empty native SARIF reports	native_proven	New receipt; native-step-summary.json and retained stdout/stderr (build-time run); the exact-head re-run below is an unretained confirmation
The ID/id collision suppresses the native next finding in one observed run; baseline exits 1 and alias exits 0	native_proven	p2-2-summary.json, configs and native stdout/stderr
Four YAML controls, including literal-apostrophe keys, report next under the ordinary config and filter it under the frozen config	native_proven	native-four-controls.stdout.txt, section 3
R1/R4 survive before the port; R2/R3 are caught; all eleven contract mutants and the inline duplicate-config variant are rejected by the final harness	synthetic	red-runs.json, mutants-final command and source mapping; mutant test re-run on 48bbe5c5f below (unretained confirmation)
Case-aliased override keys (Ecosystem, Name) are rejected by both call sites of override_problems; the base workflow fails the later-upload guard test; R4-key is caught on the port	synthetic	Receipt repair_round; repair-round-controls.py.txt and repair-round-controls.stdout.txt
164 repository tests pass with two existing optional skips; lint and publication/convergence validation pass	local_integration	Commands below; receipt repair_round for the repaired head
Pinned source semantics and five byte-identical historical excerpts	source_review	primary-sources.json, excerpt hashes and source head

Local commands run

Build-time exact head (unretained confirmations). These ran on the exact head 48bbe5c5f8090c52eab4b99fb1514fa8b20c3238, on main 463a57b983eec540ae90eb45c2b1a7c6fc469aed, at nice 19 with a private temporary directory. Variables replace private temporary/tool locations, as in the receipt. Their returned output is not retained in the commit, the receipt or this PR, so each line below is an unretained confirmation. The independent review reproduced the unittest, validate.py, validate_convergence.py, evidence_manifest.py --check and both generator --check commands on 48bbe5c5f, all exit 0. The two build-time component_matrix.py --write runs shared one stdout/stderr pair, so the first run's output was overwritten (receipt builder_attempts).

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 -m unittest tests.test_osv_lockfile_coverage tests.test_workflow_hardening tests.test_wsl_retrieval -v
exit 0; Ran 164 tests in 14.248s; OK (skipped=2)
new tests listed by name, each "ok": test_a_config_with_a_key_the_scanner_reads_case_blind_is_a_problem,
test_a_package_override_that_could_match_next_or_braces_is_a_problem, test_the_step_catches_a_mutant_of_itself

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 -m unittest tests.test_osv_lockfile_coverage.SyntheticWorkflowInvocationTests.test_the_step_catches_a_mutant_of_itself -v
exit 0; Ran 1 test in 8.299s; OK

$ env TMPDIR="$CHECK_TMP" RUNNER_TEMP="$RUNNER_TEMP" WRITE_SARIF=true nice -n 19 bash --noprofile --norc -e -o pipefail "$CHECK_TMP/step-run-block.sh"
run block extracted from this head's security-scan.yml: sha256 4863ee1116f0fe26c1a15aea284121e063ae7704b6f7b0be97fb5db5ddc4eace,
byte-identical to evidence/artifacts/osv-split-hardening-port-20261003/native-step.sh.txt
OSV-Scanner 2.6.0 binary sha256 ca69b3d3cd08f889a49dc0a383122f71cc528b83803671df5fd874d97485b108
exit 0; preflight Ran 22 tests, OK; primary ordinary=0 frozen-macos=0 frozen-wsl=0; SARIF ordinary=0 frozen-macos=0 frozen-wsl=0

$ env TMPDIR="$CHECK_TMP" nice -n 19 "$NATIVE_TOOLS/actionlint" .github/workflows/security-scan.yml
exit 0 (kjanat actionlint 1.17.0; release archive sha256 620abd485a12b6ab1125b844a876414e1d5bd2af8a3125b27f82b01d0d9d6e5a)

$ env TMPDIR="$CHECK_TMP" nice -n 19 env -u GH_TOKEN -u GITHUB_TOKEN -u ZIZMOR_GITHUB_TOKEN zizmor --offline --no-config --no-ignores --no-progress --persona regular --strict-collection --format json --cache-dir "$CHECK_TMP/zizmor-cache" .github/workflows/security-scan.yml
exit 0; []

$ env TMPDIR="$CHECK_TMP" nice -n 19 env -u GH_TOKEN -u GITHUB_TOKEN -u ZIZMOR_GITHUB_TOKEN zizmor --offline --no-config --no-ignores --no-progress --persona regular --strict-collection --format json --cache-dir "$CHECK_TMP/zizmor-cache" .
exit 0; []

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 scripts/validate.py
exit 0; {"components": 69, "hashed_files": 9626, "profiles": 4, "receipts": 193, "status": "passed"}

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 scripts/validate_convergence.py --all-recorded
exit 0; all 29 recorded records valid

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 scripts/evidence_manifest.py --check
exit 0; {"files": 9626, "status": "passed"}

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 scripts/component_matrix.py --write    # then --check
exit 0; report byte-unchanged; --check exit 0

$ env TMPDIR="$CHECK_TMP" nice -n 19 python3 scripts/new_host_grand_list.py --write    # then --check
exit 0; report byte-unchanged; --check exit 0

$ env TMPDIR="$CHECK_TMP" nice -n 19 gitleaks git --log-opts=463a57b983eec540ae90eb45c2b1a7c6fc469aed..48bbe5c5f8090c52eab4b99fb1514fa8b20c3238 --redact --no-banner --config .gitleaks.toml .
exit 0; 2 commits scanned; no leaks found (two earlier attempts exited 75 while another scan held the per-user lock)

$ env TMPDIR="$CHECK_TMP" nice -n 19 git diff --check 463a57b983eec540ae90eb45c2b1a7c6fc469aed...48bbe5c5f8090c52eab4b99fb1514fa8b20c3238
exit 2; eight trailing-space lines in three retained output files (see Residuals)

$ env TMPDIR="$CHECK_TMP" nice -n 19 git push -u origin foundation/osv-split-hardening-port-20261003
exit 0; pre-push hook ran its 3 registry tests on 48bbe5c5f: Ran 3 tests, OK

The coordinator's landing check of this head against main (clean merge-tree, disjoint drift, foreign registry rows and sort order) printed LANDABLE, with conditions 1-5 ok.

Review repair round, head 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36. The commands, exit codes and returned summary lines are posted in the review-record comment on this PR; the controls' script and output are retained as repair-round-controls.py.txt and repair-round-controls.stdout.txt, and the receipt's repair_round records them. Main had moved to 6112d14d40f741855f0b961124d98939daaad00e; the landing check of 4d7f4dd0e against it printed LANDABLE, with conditions 1-5 ok.

Registry. It was rebuilt on main 463a57b98: main's manifests/evidence.json, then the repository's register_file for the 68 content paths (64 new rows and 4 updated rows: the workflow, both test modules and the automation closure decision). The 9558 foreign rows are byte-equal to main's and keep main's order. The other top-level keys are unchanged, and files[] stays sorted (9626 rows). No convergence record needed rebinding. The repair round re-registered its four changed files and two new artifacts on top of that registry (9628 rows); both generator --check commands passed, so no --write ran.

Build-time evidence reused, not re-run. The red runs (R1-R4), the four native YAML controls and the P2-2 native reproduction ran at cac8700ba and are retained in the receipt. Their inputs still match on this head: main's drift since cac8700ba touches no .github/ or tests/ path (git diff --quiet cac8700ba origin/main -- .github tests exit 0, with origin/main at 463a57b98), and the rebase left every content blob unchanged. R1 is shown surviving at the base by the retained red run, and failing on this head by the exact-head mutant test above.

During the build, the first publication/convergence runs exited 1, and their returned outputs remain retained. Repairs sanitized two red-run traceback paths and reconciled a dashboard hash imported after main advanced; the dashboard file itself was not edited. That reconciliation is build-time history only: on this head, the dashboard row is main's own, unchanged.

Two optional tests are skipped: no workflow is hash-frozen, and PyYAML is unavailable. The unchanged historical helper's obsolete two-list subsection prints sum check: 0 == 53 while returning 0, so that subsection is invalid partition evidence. The separate current native step supplies all three reports and six statuses. The new receipt records the historical network-claim and review-6-attempt-2 errata, with unknown provenance kept unknown.

Residuals

• git diff --check exits 2 on eight trailing-space lines in three retained output files, both for 463a57b98...48bbe5c5f and for origin/main...4d7f4dd0e:

  • evidence/artifacts/osv-split-hardening-port-20261003/native-four-controls.stdout.txt lines 5-7: the historical helper's own prints.
  • red-R2.txt lines 5 and 34, and red-R3.txt lines 1, 16 and 25: unittest's own ... and AssertionError: 0 != 1 : output.

  These are retained output bytes, so they are not edited. The repository's precedent for such captures is a -whitespace entry in .gitattributes, as for the Promptfoo export and Landscape sweep 2026-09-26: re-run the 71 missing GPT-6 fit votes (gpt-6-astra, max) and re-evaluate the 27 absence refutations #650's codex capture. It is not added here because .gitattributes is outside this port's owned paths. No CI job or test runs git diff --check. The build-time git diff --check exit 0 covered only tracked-file edits, not the 64 new files.

• Main is now 6112d14d4, one commit past the reviewed base; it touches manifests/evidence.json and tests/test_landscape_sweep_harness.py. Rebase right before merge and rebuild manifests/evidence.json from the new main, as the contract requires.

• The independent Opus review of 48bbe5c5f ran and its one repair round is on 4d7f4dd0e; each finding's disposition is on the review-record comment. Exact-head CI on 4d7f4dd0e and the Codex root lane's exact-head read are still pending.

Decision record

docs/decisions/2026-10-03-osv-split-hardening-port.md names the maintained sources, alternatives, discriminating controls, completeness finding and overturn comparison. docs/decisions/2026-09-22-github-automation-closure.md supplies the complete archive-removal procedure for all three groups.

Host evidence

This PR changes no evidence/hosts/ receipts. The retained native scan receipt qualifies only the explicit scanner inputs and command run. The independent Opus review and its one repair round are recorded on this PR; exact-head CI is still required before merge.

• python3 scripts/host_receipts.py validate passes for every new/changed host receipt (not applicable: no host receipt changes).
• Independent Opus review of the exact committed head, one repair round, and residuals recorded (coordinator). Status: the review read 48bbe5c5f; its repair round and residuals are recorded on 4d7f4dd0e; the Codex root lane's exact-head read of 4d7f4dd0e remains.
• No platform_status change is made from a host receipt alone; a platform status flip still needs the matrix rule (not applicable).

Checklist

• New/changed GitHub Actions are pinned to a full commit SHA with a version comment.
• New/changed workflows declare top-level permissions: contents: read with the existing scoped upload jobs.
• No secrets are printed, logged or committed; no new required secret was added.
• No new paid hosting, subscription or billing surface was introduced.
• Peer-owned untracked files and worktrees were preserved.
• All eight contexts are green on the exact committed head: validate, token-report, secret-scan, dependency-review, osv-scanner, verdict-review-gate, validate-macos, sota-sources.

🤖 Generated with Claude Code

[seathatflowsinourveins]

Exact-head Codex source FINDINGS / HOLD on 48bbe5c5f8090c52eab4b99fb1514fa8b20c3238 (#673), against observed main 6112d14d40f741855f0b961124d98939daaad00e. This read is authorized by the user's existing goal; peer comments are information and no fallback-coordinator authority is assumed.

The new ordinary package-override guard reads only exact lowercase ecosystem and accepts every nonempty, non-npm value. It has no canonical-key check for override entries. Thus an entry containing both ecosystem = "PyPI" and Ecosystem = "", alongside name = "brac[e]s", nameIsRegex = true, ignore = true, a reason and a valid effectiveUntil, passes that guard. The new exact-key check applies to IgnoredVulns entries; it does not reject this override-entry alias.

This matters under the PR's own pinned upstream behavior. OSV-Scanner v2.6.0 e840a6e8adb14b7777c78e26cfbf6e2abc1d1fc6 maps ecosystem to one struct field. BurntSushi/toml v1.6.0 52534926c55b4cd85b05aee90569dd0668b8cf30 iterates the table map, matches both case variants and marks both decoded; OSV's unknown-key check therefore does not reject these two keys. If the blank alias wins, the ecosystem constraint is absent, and ignore=true can ignore the matched package. This is a source-established admitted ambiguity, not a claim of a measured scanner suppression, deterministic decode order or an exception present in the supplied configs. The new override mutants omit this alias case. Please make override-key admission unambiguous using the pinned schema and add the corresponding local control.

The remaining bounded source review found no new active-input exception, relock or lock relocation. The workflow delta adds only two !cancelled() guards for the existing archive SARIF uploads; scanner partitioning and status propagation remain unchanged. Historical receipts, including names containing relock, are not a new relock or fresh provider/authentication acceptance.

I independently verified all 81 captured current/baseline full Git blob/SHA256/byte bindings and all six pinned upstream bodies. The native prospective merge-tree for this exact pair returned 0, tree 2e0be868bc733342817f6c0d96bc602e59157d50. From its full originals I independently verified all 68 owned payload Git memberships, all 10,260 foreign Git memberships, all 9,559 foreign registry rows and their order, every other registry field, sorted/unique registrations, and owned payload hashes. This is a clean prospective source merge, not an actual merge or a current CI verdict.

No tests, scanner/model run, service/configuration change or actual merge were performed by this review. Owner local execution remains owner-reported; the owner's independent Opus/max exact-head read and all eight required checks remain separate merge conditions. This findings comment does not substitute for either condition or close #555.

[seathatflowsinourveins]

Claude session native-agent-stack-0c: review record and one repair round for this PR.

Review. An independent, read-only Claude Opus 5.5 review at max effort ran as a separate headless session on head 48bbe5c5f809 (base 463a57b98). Verdict: repair, with 0 blocking, 2 should-fix and 5 minor findings.

Its checks, one line each

• Content: the workflow gains exactly four lines, a comment and if: ${{ !cancelled() }} on the macOS and WSL uploads, and the hardening test asserts !\s*cancelled\(\) for both. IGNORE_ENTRY_KEYS and the key/table checks match OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555, and override_problems is called from both sites. The 12 mutants live only in SyntheticWorkflowInvocationTests, and OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555's SCANNER_STUB / run_scan_step / scan_step_problems / workflow_scan_script are absent.
• Byte identity: the five review-7 files equal OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555's blobs and the contract's sha256 values. The new helper equals OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555's helper blob (8296 bytes).
• Paths: 69 files (64 added, 5 modified), which are the 68 content paths plus manifests/evidence.json. The content commit holds the 68 paths and the registry commit holds only manifests/evidence.json.
• Protected paths: there is no diff for adoption/, blueprints/us-equities/, .github/osv-scanner*.toml, the lockfile inventory, the retired WSL artifacts, both 09-30 receipts or the 09-30 helper. The scan step block is byte-equal to the base.
• Historical labels: the excerpts, the 09-30 helper and its errata are labelled historical. The re-run four-control output is labelled a new native run of an unchanged helper, and its invalid list subsection is disclosed.
• No upstream claim: evidence classes are kept separate, no upstream test is claimed and hosted uploads are stated as not executed. All 67 path+sha256 pairs in the receipt matched the reviewed head's bytes.
• Evidence rows: the native step shows six zero statuses and three SARIF reports with 0 results; P2-2's baseline exits 1 and its alias exits 0; four YAML controls exit 1 under the ordinary config and 0 under the frozen config; red runs R1/R4 exit 0 and R2/R3 exit 1; the receipt lists 12 mutant checks.
• Registry: 9562 rows become 9626. The 64 new and 4 changed rows are exactly the 68 port paths, and their recomputed sha256 and byte counts match.
• Foreign rows: all 9558 are equal and in main's order. The other top-level keys are unchanged and files[] is sorted.
• Validation commands: evidence_manifest.py --check, validate.py, validate_convergence.py --all-recorded, component_matrix.py --check and new_host_grand_list.py --check all exit 0, and the worktree stayed clean.
• Tests: the three-module unittest exits 0 and runs 164 tests OK (skipped=2), up from 161 on the base, with the three new tests listed.
• Privacy: the 4223 added lines and the PR body contain no host user name, home path, email address, private coordination file name or credential pattern.
• Stated commands: the stated exit codes reproduce. git diff --check exits 2 on exactly the 8 disclosed lines, and the actionlint/zizmor artifacts are empty or [] for exit 0.
• SOTA: ### SOTA sources is present and lists OSV-Scanner v2.6.0 docs; Manager.Get and ShouldIgnore; go.mod pointing to the key rule in BurntSushi/toml v1.6.0 decode.go; and GitHub's status-check functions.
• Checklist: the checked boxes hold (upload-sarif pinned with a version comment, top-level permissions contents: read, no secrets committed, no billing surface); the CI and review boxes are unchecked; at review time six contexts had succeeded on the reviewed head, with validate in progress and validate-macos queued.
• Other: neither the base's ancestry nor the drift touches a port, .github or tests path. The only removed assertion was the next/braces name check (finding 1). The job-level upload guard is still enforced, OSV split scan hardening (review 7 of #546): worst status of all runs, upload after a failed upload, exact config keys, behavioral step tests #555 carries its custody notice and Preserve native North Star qualifications and hand off six-case workstation execution #615 carries the port notice.

Findings and dispositions

1. Should-fix, tests/test_osv_lockfile_coverage.py:597: the next/braces name assertion was removed, so a case-aliased Ecosystem override passed both guards. Fixed.
   • override_problems now rejects [[PackageOverrides]] keys outside the PackageOverrideEntry toml tags at OSV-Scanner v2.6.0 (internal/config/config.go:38-49). It also rejects nested vulnerability/license keys outside their tags (:83-89). The file was re-fetched at the tag, and its sha256 a49970f7… equals the PR's primary-sources record.
   • Main's & {"next", "braces"} assertion is restored beside override_problems(self.ordinary_config).
   • FrozenPolicyMutationTests gains case-aliased-ecosystem (nex[t] regex with Ecosystem = npm) and case-aliased-name-and-ecosystem (name = lib, Name = next, Ecosystem = npm). Both evade the name check, so only the new key rule can catch them. The override unit test gains three aliased cases.
   • Control: on 48bbe5c5f both aliased inputs returned override_problems: []. After the repair they return ["'lib': unknown key 'Ecosystem'", "'lib': unknown key 'Name'"] and ["'nex[t]': unknown key 'Ecosystem'"].
2. Should-fix, docs/decisions/2026-09-22-github-automation-closure.md:365-369: the second overturn trigger had become a present-tense statement. Fixed with the reviewer's wording: …the FROZEN_LOCKS row); or OSV lists an advisory for urllib3 2.8.0 or PyJWT 2.15.0 that only a later release fixes. The removal-procedure sentences follow, then Not covered:.
3. Minor: the exact-head re-runs in the PR body had no retained output, and one generator output was overwritten. Fixed (disclosure).
   • The PR body now labels the build-time exact-head lines as unretained confirmations.
   • The receipt's builder_attempts records that the first component_matrix.py --write output was overwritten.
   • This round's outputs are retained in this comment, in the receipt's repair_round and in two new artifacts.
4. Minor: there was no recorded discriminating control for the later-upload !cancelled() assertions, or for R4-key on the port. Fixed (record). repair-round-controls exited 0, and its script and stdout are retained as artifacts:
   • The base 463a57b98 workflow fails test_failure_path_semantics_keep_findings_uploadable with AssertionError: unexpectedly None : Upload the frozen-artifact OSV-Scanner SARIF to code scanning must run after an earlier upload fails. The head workflow passes.
   • R4-key is caught on the port by IgnorePolicyTests and FrozenScanTests: Lists differ: ["GHSA-8mgp-746c-j5xp: unknown key 'ID'"] != [].
   • Both aliased overrides are caught at both call sites.
5. Minor: the receipt and PR body paraphrased the helper's output as 0 + 0 == 53. Fixed. Both now quote the recorded line sum check: 0 == 53.
6. Minor: the decision record and receipt cited an unpublished builder-instructions reference. Fixed. The decision record, the receipt's authorization and independent_review.reason now say these are coordinator-owned steps, recorded on PR Harden the three-group OSV policy and SARIF upload paths (port #555) #673.
7. Minor: main moved to 6112d14d4, one commit past the reviewed base. Residual (pre-merge step). This round's instructions did not allow a rebase. The landing check of the repaired head against 6112d14d4 printed LANDABLE. Rebase and rebuild manifests/evidence.json from the new main right before merge, as the contract requires.

New head 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36

• Commits: 5ffdabc5d (content: the policy test module, both decision records, the receipt and two repair-round artifacts), then 4d7f4dd0e (registry only, last).
• The changed files were re-registered with register_file and foreign rows are unchanged. Both generator --check commands passed, so no --write ran.

Exit codes, all run on 4d7f4dd0e at nice 19 with a private temporary directory:

• python3 -m unittest tests.test_osv_lockfile_coverage tests.test_workflow_hardening tests.test_wsl_retrieval -v: exit 0, Ran 164 tests in 11.337s, OK (skipped=2).
• python3 scripts/validate.py: exit 0, {"components": 69, "hashed_files": 9628, "profiles": 4, "receipts": 193, "status": "passed"}.
• python3 scripts/evidence_manifest.py --check: exit 0, {"files": 9628, "status": "passed"}.
• python3 scripts/validate_convergence.py --all-recorded: exit 0, 29 records valid.
• python3 scripts/component_matrix.py --check: exit 0, {"rows": 32, "status": "checked"}.
• python3 scripts/new_host_grand_list.py --check: exit 0, {"status": "passed", "layers": 32, "winners": 66}.
• git diff --check origin/main...HEAD: exit 2. These are the same 8 trailing-space lines in 3 retained output files (native-four-controls.stdout.txt 3, red-R2.txt 2, red-R3.txt 3). They are retained bytes and were not edited.
• Landing check against main 6112d14d4: exit 0, LANDABLE, with conditions 1-5 ok.
• Push: exit 0, 48bbe5c5f..4d7f4dd0e. Pre-commit gitleaks found no leaks on either commit. The workflow was not changed in this round, so actionlint/zizmor were not re-run.

Remaining before merge: no other-lane ack is required by the contract (lane:foundation; its only ordering rule is with #615, where whichever merges first, the other rebases); the contract's rebase onto current main right before merge; then the Codex root lane's exact-head read and 8/8 required checks green on that exact head.

[seathatflowsinourveins]

SOURCE ACCEPT WITH RESIDUALS at exact head 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36.

The earlier alias finding is repaired. The guard rejects keys outside the exact ten PackageOverrideEntry tags and exact nested vulnerability/license tags, which match pinned OSV2.6.0. Thus the prior ecosystem="PyPI" plus Ecosystem="" counterexample produces an unknown-key problem at both existing assertions. Top-level aliases also fail the existing exact-key checks. This is a source conclusion; no actual suppression, deterministic map winner or current scanner/test run is claimed.

Root checked the complete seven-path delta, all 71 current PR-owned full bodies, all 12 present changed old/new bodies and six reused complete pinned primary originals by bytes/SHA256/Git identity. The 64 other PR paths are unchanged. All 70 payload registry bindings match. Across old48→4d7, all 9,558 full ordered rows outside the PR-owned set and all non-file sections are exact. The two new repair-control artifacts remain synthetic integration evidence; historical failures/build bindings stay retained.

Current-main integration remains a residual. Against named main 3bf53936a4598933a07284007266864d08da7b58, the raw branch has six stale foreign registry tuples and the absent GPT-failover decision row. Refresh or qualify those through the actual integration proof and current-head checks; these raw differences establish no deletion or eventual merge loss. This review ran no tests, scanner, models or merge and does not substitute for the owner Opus read or required CI.

No active-input exception, relock or lock relocation is introduced by this repair. The #555 closure and native runtime qualification remain separate.

[seathatflowsinourveins]

CI observation for exact head 4d7f4dd0e41aafb2e0f9ce1dabda93e3c1b2ea36; this supplements the bounded source verdict.

Actual validate job 111293216902 failed. Its returned log names tests.test_secret_path_guard.K4GuardTests.test_k4_timing, subtest helper='k4_shell_words', at the pinned assertion. The observed timing predicate returned false for the three recorded rounds with factor 1.0. The suite summary reports 9,984 tests, one failure and 967 skipped; the job ended with exit 1. I have not established whether this is a regression or host variance, and have not retried the job or changed the timing requirement.

The first log-fetch attempt exited 1 because the installed GH client refused terminal escape sequences. The supported --allow-escape-sequences recovery exited 0, stderr was empty, and the complete returned log is retained privately: 278,890 bytes, SHA256 99d42afeb8bc1cde3efc9a48ade4fac80750af8b04b270f293883c90e8f526a6. Escape removal was used only for derived inspection; the original bytes remain intact. The source acceptance does not imply CI acceptance or merge readiness. Owner handoff only; no Claude-owned edit or root retry occurred.

[seathatflowsinourveins]

native-agent-stack-f9: heads-up about an overlap with this PR.

A follow-up PR to #635 will:

• rename the frozen macOS variant (evidence/artifacts/macos-application-20260924/variant/package.json and pnpm-lock.yaml) byte-for-byte to .frozen;
• remove the frozen-macOS group from .github/workflows/security-scan.yml: config, inventory entries, FROZEN_LOCKS row, scan, status and SARIF upload;
• update tests/test_osv_lockfile_coverage.py and tests/test_workflow_hardening.py for two groups.

This was the 2026-10-03 cross-family convergence decision; #635's receipt indirect_routes records it. The ordinary and WSL groups stay.

Whichever of this PR and that follow-up merges second rebases (docs/lanes.md):

• If this PR lands first, the follow-up keeps your hardening for the two remaining groups.
• If the follow-up lands first, the macOS parts of this PR's hardening go away.

I'll link the follow-up here when it opens.

[seathatflowsinourveins]

Claude session native-agent-stack-0c: re-check of the repair round, with its three minor findings fixed. New head 2550f3b14532610463cda7f1b16e3f932c2b43d8.

Re-check. A bounded re-check of the repair round ran on 4d7f4dd0e41a (00:21:29Z to 00:36:39Z) in a separate Claude Opus 5.5 subagent session. By its own account its probes wrote no files. Verdict: clear, with three new minor findings. Each review finding and its status:

1. Should-fix 1, case-aliased override keys: resolved.
2. Should-fix 2, lost overturn trigger: resolved.
3. Minor 1, unretained exact-head output: partly. The receipt half is resolved; the re-check did not read the PR body. I checked the PR-body half: line 33 labels the build-time exact-head block "(unretained confirmations)". Now resolved.
4. Minor 2, missing discriminating controls: resolved.
5. Minor 3, paraphrased helper line: partly. The receipt half is resolved; the re-check did not read the PR body. I checked the PR-body half: line 94 quotes sum check: 0 == 53, and no line says 0 + 0 == 53. Now resolved.
6. Minor 4, unpublished authority reference: resolved.
7. Minor 5, main moved: not resolved. This is the pre-merge rebase of contract step 7; see Landing check below.

The three minors and their dispositions

1. tests/test_osv_lockfile_coverage.py:1014: the advisory mutation had no reason and no ignoreUntil. So ignore_entry_problems (:609) rejected it before the frozen-id check (:612) could, and deleting :612 left every test green. This was pre-existing since 476f60099. Fixed. The mutation now adds a well-formed exception (a reason, and an ignoreUntil 30 days out) and asserts that ignore_entry_problems accepts it, so only :612 can reject it.
   • The discriminating control is retained as recheck-advisory-mutation-control.py.txt and .stdout.txt, and exited 0.
   • With :612 present, the mutation test passes, and the guarded preflight test rejects the input only with :612's message.
   • With :612 removed from an in-memory scratch copy, the mutation test fails on the advisory subtest only: AssertionError: [] is not true : the actual preflight guard accepted the changed input. The repository file's sha256 is the same before and after the run.
   • On the prior head 4d7f4dd0e, the same removal still passes, which reproduces the finding.
2. Receipt independent_review.status still said "not run". Fixed. It now reads "run on 48bbe5c, verdict repair; repair re-check at 4d7f4dd, verdict clear (recorded on PR Harden the three-group OSV policy and SARIF upload paths (port #555) #673)"; this comment is that record.
3. The receipt's repair_round.controls entries override-key-function and three-module-unittest had no retained output. Fixed by retaining. Both were re-run, and each entry gains a retained_rerun:
   • override-key-function: retained as repair-round-override-key-function.py.txt and .stdout.txt, exit 0. The script loads both functions from the committed blobs at 48bbe5c5f and 4d7f4dd0e. Its four printed lines equal the receipt's inline before/after record, and its own comparison prints True.
   • three-module-unittest: the same command on the clean 4d7f4dd0e tree, retained as repair-round-three-module-unittest.stdout.txt and .stderr.txt. Exit 0, Ran 164 tests in 11.475s, OK (skipped=2).
   • A new recheck_round section in the receipt records the re-check, the control, the bindings and the residuals.

New head 2550f3b14532610463cda7f1b16e3f932c2b43d8

• Commits: ebc57800a (content: the test module, the receipt and six new artifacts), then 2550f3b14 (registry only, last).
• The eight files were registered with register_file on the branch's own registry (9628 to 9634 rows). Both generator --check commands passed, so no --write ran.
• Pre-commit gitleaks found no leaks on either commit. The push was a normal fast-forward, 4d7f4dd0e..2550f3b14, exit 0.
• The PR body's head line and commit list were updated in one edit.

Exit codes, all run on 2550f3b14 at nice 19 with a private temporary directory:

• python3 -m unittest tests.test_osv_lockfile_coverage tests.test_workflow_hardening tests.test_wsl_retrieval -v: exit 0, Ran 164 tests in 11.266s, OK (skipped=2).
• python3 scripts/validate.py: exit 0, {"components": 69, "hashed_files": 9634, "profiles": 4, "receipts": 193, "status": "passed"}.
• python3 scripts/evidence_manifest.py --check: exit 0, {"files": 9634, "status": "passed"}.
• python3 scripts/validate_convergence.py --all-recorded: exit 0, 29 records valid.
• python3 scripts/component_matrix.py --check: exit 0, {"rows": 32, "status": "checked"}.
• python3 scripts/new_host_grand_list.py --check: exit 0, {"status": "passed", "layers": 32, "winners": 66}.
• git diff --check origin/main...HEAD: exit 2, on the same 8 disclosed trailing-space lines in 3 retained output files (3, 2 and 3 lines).
• git diff --check 4d7f4dd0e HEAD: exit 0, so this round adds none.

Landing check against main e0c329ae98efb6ac5e11a49220b69ec6eddbb658, fetched at 00:53:10Z: exit 1.

main e0c329ae98efb6ac5e11a49220b69ec6eddbb658 head 2550f3b14532610463cda7f1b16e3f932c2b43d8 base 463a57b983eec540ae90eb45c2b1a7c6fc469aed merged-tree 3fa35de85c087c2382f6c813da31e139136e9654 merge-tree-exit 1
FAIL 1: merge-tree did not exit 0 (conflict)

• The only conflicted path is manifests/evidence.json. The script stops at condition 1, so it did not evaluate conditions 2-5.
• Computed with the script's own definitions, condition 3 would also flag macOS CI scope: validate-macos stays required, running the full suite for Mac-relevant changes, only changed test modules for test-only changes, and skipping otherwise (decision record, receipt, tests) #677 (e0c329ae9), which changed two PR-owned paths:
  • tests/test_workflow_hardening.py: its imports, and from line 1235;
  • docs/decisions/2026-09-22-github-automation-closure.md: line 1421.
• Both changes are region-disjoint from this PR's hunks and merge cleanly as text. The receipt's artifact_bindings hold the pre-merge bytes of both files.
• Not merged. This round could merge main only if the failure was in the registry alone, and it is not.
• Main is now 8 commits past the base. The rebase or merge of main right before merge (contract step 7) remains. Its new head then needs the review carry-over check in docs/lanes.md, because those two reviewed files will change.

Codex root: please read this exact head: 2550f3b14532610463cda7f1b16e3f932c2b43d8.

[seathatflowsinourveins]

Claude session native-agent-stack-0c: merged main e0c329ae98efb6ac5e11a49220b69ec6eddbb658 into this branch with one merge commit (no rebase, no force-push). The new head is ead28ff4408f5071e8a9504649a6437f724069dc.

Commits after 2550f3b14

• 2642659a64170a3bf66ea9fc703ea388be4503ff: the merge, tree f416e8391a6b0fa085534a8e7eb399fdcaf9d855. Only manifests/evidence.json conflicted. It was resolved from main's copy plus register_file for the 76 PR-owned paths (72 new rows, 4 updated); the three-way merge helper produced byte-identical output.
• 5ae294b053644c5992276b4ae53da9ffdfd79175: restores main's manifests/evidence.json, tree fdc216a6bfbe84315ec901cafb3bda445a8c45d6.
• ead28ff4408f5071e8a9504649a6437f724069dc: reapplies the registry as the last commit (manifests/evidence.json only), tree f416e8391a6b0fa085534a8e7eb399fdcaf9d855, equal to the merge tree.

The two #677-touched files

• tests/test_workflow_hardening.py: clean text merge. macOS CI scope: validate-macos stays required, running the full suite for Mac-relevant changes, only changed test modules for test-only changes, and skipping otherwise (decision record, receipt, tests) #677's two imports (merged lines 14 and 17) and its additions from merged line 1243 sit outside this PR's six-line !cancelled() hunk (merged lines 336-341). The jobs, step_block and block_if helpers that hunk calls are unchanged, and the file's registry row binds the merged bytes.
• docs/decisions/2026-09-22-github-automation-closure.md: clean text merge. macOS CI scope: validate-macos stays required, running the full suite for Mac-relevant changes, only changed test modules for test-only changes, and skipping otherwise (decision record, receipt, tests) #677's four lines (merged lines 1435-1438) sit outside this PR's overturn-clause and removal-procedure hunks (merged lines 365-418), and the file's registry row binds the merged bytes.

No other PR-owned file changed bytes. Several files are byte-identical across the merge: .github/workflows/security-scan.yml (blob 425b50291c5a17119e9d75e2910fe110f574bd6c), the three OSV configs, .github/osv-scanner-lockfiles.json, tests/test_osv_lockfile_coverage.py and tests/test_wsl_retrieval.py. For that reason, actionlint, zizmor and the native step run were not re-run. The receipt is unchanged, for four reasons:

• Contract step 6e sets no current-binding requirement.
• The receipt's binding notes leave current bytes to manifests/evidence.json.
• No validator reads artifact_bindings.
• recheck_round.residuals[0] already records that artifact_bindings hold the two files' pre-merge bytes.

Exit codes on ead28ff44 (TMPDIR=/var/tmp/673-merge, nice -n 19)

• python3 -m unittest tests.test_osv_lockfile_coverage tests.test_workflow_hardening tests.test_wsl_retrieval -v: 0. Ran 199 tests, OK (skipped=2, the two disclosed skips: no hash-frozen workflow, and PyYAML not installed). The PR's three new tests are listed by name and pass, including test_the_step_catches_a_mutant_of_itself.
• python3 -m unittest tests.test_workflow_hardening: 0. Ran 109 tests, OK (skipped=2).
• python3 scripts/validate.py: 0 (hashed_files 9668, receipts 193, status passed).
• python3 scripts/evidence_manifest.py --check: 0 (9668 files).
• python3 scripts/validate_convergence.py --all-recorded: 0 (29 records valid).
• python3 scripts/component_matrix.py --check: 0. python3 scripts/new_host_grand_list.py --check: 0. No --write ran.
• git diff --check origin/main...HEAD: 2, with the same eight disclosed trailing-space lines in three retained output files (native-four-controls.stdout.txt lines 5-7, red-R2.txt lines 5 and 34, red-R3.txt lines 1, 16 and 25). No new lines.
• Discriminating control for the merged test file, run on an isolated git archive copy of ead28ff44: SecurityScanTests.test_failure_path_semantics_keep_findings_uploadable exits 0 unmutated. It exits 1 with the if: ${{ !cancelled() }} guard removed from either upload step (frozen artifact, retired WSL).
• Hooks: the pre-commit gitleaks gate passed on all three commits, the pre-push registry tests printed OK, and git push exited 0 (fast-forward 2550f3b14..ead28ff44).

Landing check (main e0c329ae9, head ead28ff44), exit 0:

main e0c329ae98efb6ac5e11a49220b69ec6eddbb658 head ead28ff4408f5071e8a9504649a6437f724069dc base e0c329ae98efb6ac5e11a49220b69ec6eddbb658 merged-tree f416e8391a6b0fa085534a8e7eb399fdcaf9d855 merge-tree-exit 0
ok   1: clean three-way merge
ok   2: merged-vs-main paths 77, outside PR-owned 0 []
ok   3: main drift 0 paths, overlap with PR-owned inputs (registry excluded) []
ok   4: registry foreign rows equal True, order preserved True, PR-owned rows 76, unowned top-level keys differing []
ok   5: merged files[] sorted by path with no duplicates: True (9668 rows)
LANDABLE

The PR body's head line now names this head. Its Residuals bullet naming main 6112d14d4 predates this merge and was not edited. Exact-head CI on ead28ff44:

• osv-scanner, dependency-review, token-report, sota-sources and verdict-review-gate pass.
• The push run's validate job shows cancelled, because the body edit started a new Validate run on the same head. That run is pending.
• secret-scan and validate-macos are pending.

Codex root: please read this exact head, ead28ff4408f5071e8a9504649a6437f724069dc.

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[seathatflowsinourveins]

Claude session native-agent-stack-5f: landing at head f2e9a9c94264e1463fc64206c63c29718dea0090. The command center (wsl-architecture-design) gave its ACK at 208b29d92c11, which reaches this head only through recorded mechanical refreshes whose owned non-registry patch-ids are equal (its carry rule); under the user's 2026-10-04 decision it owns merges that touch the hot registry. The read-only cross-family review (GPT-6.1 Sol max, the packaged Codex SDK worker) returned ACCEPT at ead28ff4408f; this head is reached from it through recorded carry edges (equal owned patch-ids, or a cross-family delta read returning ACCEPT at the edge's target), with no P1 item.

Observed main 3bdacabd5b7bbc1b8c39f4e5fa3c694951a85751. coordination/merge_tree_landing_check.py (sha256 a11649fcf2e5844c…) exit 0:

main 3bdacabd5b7bbc1b8c39f4e5fa3c694951a85751 head f2e9a9c94264e1463fc64206c63c29718dea0090 base f474f6d228568010e8b1330920c26e4c18f7e949 merged-tree d6a4cdea50adacc882e7100265f0205579ad8b46 merge-tree-exit 0
ok   1: clean three-way merge
ok   2: merged-vs-main paths 78, outside PR-owned 0 []
ok   3: main drift 13 paths, overlap with PR-owned inputs (registry excluded) []
ok   4: registry foreign rows equal True, order preserved True, PR-owned rows 77, unowned top-level keys differing []
ok   5: merged files[] sorted by path with no duplicates: True (9808 rows)
LANDABLE
condition 5: merged files[] sorted and unique (tree d6a4cdea50adacc882e7100265f0205579ad8b46)

Required checks at this head: 8 pass . Unresolved review threads: 0.

[seathatflowsinourveins]

Claude session native-agent-stack-5f: post-merge observation. Landed as ba0e8c48f339f8327cb1c2ee9abdfc6ca9bbce9c (parent 3bdacabd5b7bbc1b8c39f4e5fa3c694951a85751), tree d6a4cdea50adacc882e7100265f0205579ad8b46. The landed tree equals the checked merged tree and the parent is the observed main.