github-devloop implementation for #791

[chronoai-fkst]

github-devloop implementation PR for issue #791

[chronoai-fkst]

github-devloop PR child open

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github-devloop PR is ready for review

[chronoai-fkst]

github-devloop PR is ready for review

[chronoai-fkst]

github-devloop merge gate failed: mergeable-conflicting
Reproduce locally with scripts/run.sh test from the repository root.

[chronoai-fkst]

github-devloop timeout redrive attempt: fixing 26

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[chronoai-fkst]

github-devloop merge gate failed: mergeable-conflicting
Reproduce locally with scripts/run.sh test from the repository root.

[chronoai-fkst]

github-devloop fix pushed for re-review

Previous reviewed head: ccc553f
New head: 54775a9

[chronoai-fkst]

github-devloop PR is ready for review

[chronoai-fkst]

github-devloop PR review decision: reject
Verdicts: teleology=reject parsimony=reject fidelity=reject high-risk=reject
Blocking gap: incomplete rejection matrix

teleology:
ESSENCE: This is a supply-chain trust-boundary problem: untrusted executable bytes must remain inert until independently pinned authorization, signature, identities, and exact artifact bytes are verified. Established practice is a security assurance matrix derived systematically from every closed-contract field and trust transition, with negative mutation tests proving fail-closed ordering. IDEAL: one traceable case per required mutation, each asserting its rejection category, exact terminal stage, and absence of materialization/execution, plus the successful isolated execution path. SIX SMELLS: Magic numbers are acceptable here because the literals are normative profile identities. Proxy-over-truth is controlled because stage logs accompany real verifier failures. Symptom branches are not evidenced; the added verifier checks enforce declared contracts. The blocker is skipped-purpose, narrative-over-verification, and missing-inevitability: despite claiming a complete matrix, the diff tests only eight authorization mutations (diff.patch:102), nine envelope mutations and no statement/payload mutations (diff.patch:125), two release, two manifest, and three bundle mutations (diff.patch:144), only catalog—not schema-release—tampering (diff.patch:155), and only seed-source failures for generation (diff.patch:173). Required malformed scopes, PAE/statement fields, most release identities and mappings, manifest bindings, bundle base64/size/digest/path variants, schema-release tamper, and generator drift/source-commit failures therefore lack the mandated focused evidence. The form is an arbitrary sample rather than a matrix forced by the stated purpose.

parsimony:
Established practice for fail-closed supply-chain verification is closed-schema validation plus table-driven negative coverage for every trust-boundary rule, asserting both the rejection reason and that later stages remain unreachable. ESSENCE: prove that no malformed, ambiguous, substituted, or drifted release can reach materialization or execution. IDEAL: one declarative rejection table covering each specified mutation and earliest boundary, consumed by a minimal verifier with independently pinned policy. Six smells: magic numbers—the verifier-owned BUNDLE_PATHS duplication is defensible as independent policy, though a drift assertion would clarify it; proxy-over-truth—the stage and error assertions test real boundaries rather than exit codes alone; symptom branches—the direct checks are reasonable for a fixed wire profile, but their tests cover only selected symptoms; narrative-over-verification—the claimed “complete” matrix contains only two release, two manifest, and three bundle signed mutations (scripts/testing_package_release_test.py:183); missing-inevitability—new checks for supported_contracts, semantic_capabilities, dependency shapes/IDs, producer, and creation_metadata have no corresponding negative cases (scripts/verify_testing_package_release.mjs:130, scripts/verify_testing_package_release.mjs:135, scripts/verify_testing_package_release.mjs:138, scripts/verify_testing_package_release.mjs:143, scripts/verify_testing_package_release.mjs:145), while the manifest cases exercise only runtime and duplicate entrypoints (scripts/testing_package_release_test.py:186); skipped-purpose—the stated acceptance requirement that every new field/profile check receive positive and negative coverage is therefore unmet. This is goal-blocking, not merely less elegant than the ideal.

fidelity:
ESSENCE: This is a trusted-update reference-monitor problem: prove exact authorized bytes and identities before materialization or execution, using invariant-based rejection tests rather than trusting schemas, messages, or stage narration; that established practice is explicit at contracts/testing-package-release-admission.v1.md:5, contracts/testing-package-release-admission.v1.md:20, and contracts/testing-package-release-admission.v1.md:61. IDEAL: one ordered verifier plus a table-driven mutation for every stated attack class, each asserting the earliest boundary and absence of effects, alongside one real verified-bundle execution. SIX SMELLS: magic numbers—acceptable because the profile literals and cryptographic lengths are normative; symptom branches—no blocking evidence, since checks remain centralized; missing-inevitability—absent because substitution and ambiguity attacks justify the work; skipped-purpose—absent because verified temporary execution remains the success proof; proxy-over-truth is partly avoided by the real executor path, but narrative-over-verification is blocking. The diff calls assert_rejection_matrix() yet its main signed matrix contains only two release, two manifest, and three bundle mutations (scripts/testing_package_release_test.py:183), tests only catalog tampering rather than both required publication artifacts (scripts/testing_package_release_test.py:194), and generator negatives cover only missing/duplicate/noncanonical seed input (scripts/testing_package_release_test.py:209). It therefore omits stated mandatory classes including nested release identities and bindings, mapping variants, manifest digest/persisted-binding cases, most path/base64/content mutations, schema-release tampering, and source-commit/--check drift failures. A sampled matrix cannot verify the proposal’s claimed “complete” rejection behavior.

high-risk:
Established best practice is a fail-closed trusted-update reference monitor: organize adversarial vectors by invariant and prove that unverified inputs cannot reach materialization or execution (contracts/testing-package-release-admission.v1.md:5, contracts/testing-package-release-admission.v1.md:20, contracts/testing-package-release-admission.v1.md:61). Blocking high-risk security gap: the promised complete rejection matrix is not implemented. The diff tests only small samples of authorization, DSSE, release, manifest, bundle, publication, and generation mutations (scripts/testing_package_release_test.py:181, scripts/testing_package_release_test.py:204, scripts/testing_package_release_test.py:223, scripts/testing_package_release_test.py:252), omitting many expressly required payload-statement, nested-release, manifest-binding, path/base64, publication, and generator-drift attacks. Moreover, CLI negatives assert only exit status and stderr, without a stage log proving zero later-stage activity (scripts/testing_package_release_test.py:176). On an authentication and executable-bundle boundary, untested rejection paths are not adequate evidence of fail-closed behavior.

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[chronoai-fkst]

github-devloop timeout redrive attempt: review-meta 2

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[chronoai-fkst]

github-devloop fix-loop reflection: continue

Reason:
Established fail-closed trusted-update practice requires systematic negative coverage at every trust transition; the latest rejection directly enforces the issue’s explicit complete-matrix and no-materialization bounds, while the added verifier checks and sampled stage-aware tests demonstrate convergence, so one more focused pass should complete the enumerated missing cases.

[chronoai-fkst]

github-devloop timeout redrive attempt: fixing 2

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