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(MOT-4299) fix(release): keep engine builtins out of the candidate interface gate - #698

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ytallo merged 1 commit into
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fix/candidate-smoke-builtin-scope
Aug 5, 2026
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(MOT-4299) fix(release): keep engine builtins out of the candidate interface gate#698
ytallo merged 1 commit into
mainfrom
fix/candidate-smoke-builtin-scope

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@ytallo

@ytallo ytallo commented Aug 5, 2026

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Problem

The harness 1.7.0 staged release (run 30955188088) published to harness@next successfully but died in candidate validation:

untyped (AnyValue/empty) schemas in worker-interface.json:
iii-stream::on-config-change.*, stream::get/list/list_groups/send.response_schema

None of those belong to harness. _resolve_target_worker_names treats every worker that appears after the baseline snapshot as part of the released surface — and the harness install enables the engine's iii-stream builtin (console streaming) mid-boot, landing it in the diff. Earlier releases today (providers, llm-router, console) passed because their installs don't touch engine builtins. A builtin is not installable from the registry and its schemas are not this repo's to fix.

Fix

  1. build_publish_payload.py: exclude the engine-hosted worker set (configuration, iii-observability, iii-state, iii-stream, iii-worker-manager, iii-worker-ops) from baseline-diff target resolution, with tests for both the exclusion and the builtin-only-diff fallback.
  2. _candidate-smoke.yml: run the interface-gate scripts from the pipeline ref (second checkout) instead of the release tag, so the SOP's dispatched re-run of an existing candidate picks up gate fixes without re-tagging. Tag-push runs are unchanged (both refs coincide).

Unblocks

After merge: Actions → Releaseworkflow_dispatch with tag harness/v1.7.0 re-validates the already-published candidate (publish is idempotent per the SOP), records evidence, and reopens the path to promotion.

…terface gate

The harness 1.7.0 candidate smoke failed on untyped schemas from
iii-stream — an engine-hosted builtin the harness install enables for
console streaming, which landed in the workers-baseline diff and was
gated as if it were part of the released surface. Engine builtins are
not installable from the registry and their schemas are not this repo's
to fix: exclude them from target-worker resolution.

Also run the smoke's interface-gate scripts from the pipeline ref
instead of the release tag, so a dispatched re-run of an already
published candidate (release SOP § re-run) picks up gate fixes without
re-tagging. On tag pushes both refs coincide, so tag-triggered runs are
unchanged.
@vercel

vercel Bot commented Aug 5, 2026

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The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated (UTC)
workers Ready Ready Preview Aug 5, 2026 12:01am
workers-tech-spec Ready Ready Preview Aug 5, 2026 12:01am

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coderabbitai Bot commented Aug 5, 2026

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Reviewing files that changed from the base of the PR and between 8d053c2 and fb7225d.

📒 Files selected for processing (3)
  • .github/scripts/build_publish_payload.py
  • .github/scripts/tests/test_build_publish_payload.py
  • .github/workflows/_candidate-smoke.yml

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@github-actions

github-actions Bot commented Aug 5, 2026

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skill-check — worker

0 verified, 54 skipped (no docs/).

Layer Result
structure
vale
ai
render

Four for four. Nicely done.

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