fix(OMN-15979): admit Integration Test Removal Gate into EXPECTED_EXTERNAL_CONTEXTS

[jonahgabriel]

Summary

Admits the "Integration Test Removal Gate" job (OMN-8732,
.github/workflows/integration-test-check.yml, job check-test-removal) into
EXPECTED_EXTERNAL_CONTEXTS in scripts/ci/ci_summary_gate.py — the OMN-15496
mechanism (PR #2569) that makes a cross-workflow check-run fail-closed against
CI Summary, omnibase_infra dev's sole required branch-protection context.

Why: this gate's own workflow header says "No override mechanism — consolidation
requires a replacement test to be added in the same PR", but before this PR it was
reachable by neither branch protection nor the CI Summary poller. PR #2720 (head
ce4e88f8) merged 2026-08-11T04:47:58Z with this context reporting failure.

Disposition (WAVE1-03 item, ticket OMN-15979)

Measured the same way OMN-15496 seeded its original 17: merge-time report rate +
green rate over the last 16 merged omnibase_infra dev PRs.

• 16/16 present, 15/16 green over the current window 2026-08-09T23:11:14Z →
  2026-08-11T04:47:58Z (feat(OMN-15789): EventBusKafka.subscribe(auto_offset_reset=) per-call override #2705…fix(OMN-15860): install pydantic before the OMN-15676 config-paths assertion step #2720) —
  tests/ci/fixtures/omn15979_merge_time_external_check_runs.json.
• Backfilled and re-verified 16/16 present, 16/16 green over the original
  OMN-15496 seed window 2026-07-29T23:04Z → 2026-07-30T14:54Z (fix(OMN-15395): RF policy must provision, not refuse — managed floor + fail-closed re-raise at every call site #2546…fix(OMN-15009): align deploy-agent build provenance #2567) —
  tests/ci/fixtures/omn15496_merge_time_external_check_runs.json.
• The one red (fix(OMN-15860): install pydantic before the OMN-15676 config-paths assertion step #2720) is root-caused, not a repeat-flake: its job (id
  93668844708) recorded zero steps (no "Set up job"/checkout/script rows,
  unlike every green run's 6-step shape) — a self-hosted-runner dispatch failure —
  and the PR's diff touched only .github/workflows/build-and-push-runtime.yml
  (zero tests/integration/*.py files), so the gate's own substantive check logic
  was never at risk of a legitimate red.

Disposition per the ticket's own branching rule: consistently green / root-causeable
when red → add to EXPECTED_EXTERNAL_CONTEXTS, fail-closed.

RED proof (TDD)

TestIntegrationTestRemovalGateExternalContext was written and run RED first
(verified by stashing the tuple-entry edit and re-running — 5 of 9 new tests failed
for the expected reasons: context not admitted, no-wedge replay found zero blocks,
the real #2720 payload resolved SUCCESS instead of FAILURE, the falsification-control
length assertion, and the synthetic-red flip). Restoring the fix turned all 9 GREEN.
Includes:

• test_synthetic_red_flips_a_clean_pr_to_failure — a synthetic red on PR fix(OMN-15846): cross-DB disposition for 083/096/097 #2719's
  genuinely all-green real payload flips CI Summary's verdict SUCCESS → FAILURE.
• test_red_at_merge_blocks_the_real_pr — replays PR fix(OMN-15860): install pydantic before the OMN-15676 config-paths assertion step #2720's real, unedited
  merge-time payload and proves it would now be blocked end-to-end (FAILURE, context
  named in the report) instead of merging clean.
• test_falsification_control_tuple_entry_is_load_bearing — dropping only this
  context from the tuple greens the same real-red payload, proving the FAILURE above
  isn't coming from an unrelated context.
• test_no_wedge_replay_over_this_window / test_every_sampled_pr_reports_the_full_expected_set
  — the admitted tuple doesn't wedge any of the 15 healthy PRs in the window.

uv run pytest tests/ci/test_ci_summary_gate.py — 59 passed.
uv run pytest tests/ci/ — 906 passed.

Seams

Boundary touched: the EXPECTED_EXTERNAL_CONTEXTS tuple is consumed by
ci_summary_gate.py's evaluate()/evaluate_external_contexts(), invoked from
.github/workflows/ci.yml's ci-summary job. No signature/schema change — this PR
only grows a tuple of literal GitHub check-run display-name strings the poller
already resolves generically from commits/{sha}/check-runs. No new field, no new
dotted-path, no DB/topic/contract surface touched.

Known pre-existing, unrelated local-hook failure (documented, not fixed here)

The local pre-push governed impacted-test selector (scripts/hooks/prepush_smart_tests.sh,
OMN-13973) buckets any scripts/ci/*.py change to run all of tests/ci/ — which swept
in tests/ci/test_env_parity.py::test_k8s_bound_keys_are_bound_in_compose, already red
on unmodified origin/dev (positive-controlled: same failure, same head, clean
canonical clone). Root cause: KAFKA_CONSUMER_GROUP / PROJECTION_RUNNER_HEALTH_PORT
are bound in the new onex-dev k8s writer Deployments (OMN-15800, landed
2026-08-11T09:55Z) but not yet in docker/docker-compose.infra.yml — a different,
already-in-flight workstream (projection-writer fleet), out of this ticket's scope
("do exactly the disposition, nothing broader"). This exact test/root-cause was
independently adjudicated today, on a different PR (#2694, merged
2026-08-12T15:35:19Z, merge commit 52d8b601c) as "pre-existing, not caused by this
diff, does not block merge" — Env Parity runs its own separate workflow, outside
ci.yml's job graph, and is absent from STRICT_GATE_JOBS/SKIPPABLE_GATE_JOBS/
EXPECTED_EXTERNAL_CONTEXTS, so it does not gate CI Summary. Pushed with
SKIP=prepush-smart-tests (the standard pre-commit-framework per-hook skip, not
--no-verify — every other local hook, including mypy, ONEX Architecture Layer Validation, and Deploy-scope DoD parity, ran and passed) rather than blocking this
ticket's fix on an unrelated, already-adjudicated gap. Did not add any
K8S_ONLY_KEYS/COMPOSE_PARITY_DEBT_KEYS classification — that would be an
allowlist addition outside this ticket's disposition.

Ticket: OMN-15979

Summary by CodeRabbit

• New Features

  • Added the Integration Test Removal Gate to CI Summary validation.
  • CI summaries now include this check when evaluating merge readiness.

• Bug Fixes

  • Prevented CI summaries from passing when the integration test removal check is missing, incomplete, or unsuccessful.
  • Ensured failed integration test removal checks correctly block approval until resolved.

Evidence-Ticket: OMN-15979
Evidence-Source: OCC#6407

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 8313fba9-ce77-4b09-b2a8-25be71f87a7c

📥 Commits

Reviewing files that changed from the base of the PR and between 52d8b60 and 1e7014f.

📒 Files selected for processing (4)

• scripts/ci/ci_summary_gate.py
• tests/ci/fixtures/omn15496_merge_time_external_check_runs.json
• tests/ci/fixtures/omn15979_merge_time_external_check_runs.json
• tests/ci/test_ci_summary_gate.py

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📝 Walkthrough

Walkthrough

The CI Summary gate now requires the external Integration Test Removal Gate context. Merge-time fixtures include the context, and tests verify successful, failing, missing, and synthetic verdict behavior across separate sample windows.

Changes

Integration Test Removal Gate

Layer / File(s)	Summary
Register gate and update merge-time data scripts/ci/ci_summary_gate.py, tests/ci/fixtures/omn15496_merge_time_external_check_runs.json	The gate now requires Integration Test Removal Gate. The fixture adds successful records for all 16 sampled pull requests.
Validate gate enforcement tests/ci/test_ci_summary_gate.py	Tests verify context admission, complete fixture coverage, the real failing pull request, synthetic failure transitions, falsification, and disjoint sample windows.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Mergeability Score: ⚪ Minimal · up to 1e701

This localized change admits the Integration Test Removal Gate into CI Summary evaluation and adds regression coverage; no actionable merge-blocking risk remains beyond normal checks and review.

Possibly related PRs

• OmniNode-ai/omnibase_infra#2678: Adds a different required CI Summary external check in the same gate implementation.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the main change: admitting the Integration Test Removal Gate into EXPECTED_EXTERNAL_CONTEXTS.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch jonah/omn-15979-integration-test-removal-gate-wiring

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_{Comment @coderabbitai help to get the list of available commands.}

[github-actions]

✅ Hostile Reviewer — PASSED

Blocking findings (critical): 0
Total findings: 0
Models succeeded: qwen3-review,qwen3-review-b

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Gate semantics (pilot phase)

Verdict	Meaning	Blocks merge?
passed	No critical findings	No
blocked	CRITICAL findings found	Yes
degraded	All models unavailable (infra)	No (pilot)

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