governance(v21): authorize bilingual Product final CI route closure

[laiqian0239-glitch]

Authorizes only the two base-owned CI route gaps exposed by #387 exact reconciled head def0b6c682b138cb8a088b51562a73420de6f6ae.

Causal evidence 1: Stage 6.4.5.9 run 31864805567, job 94964045978, fails in the base-owned WP0 classifier with WP0_ROUTE_UNKNOWN_PATH for exactly integration/element-module/src/product-experience/BilingualSearchPanel.tsx.

Causal evidence 2: Product Final Validation run 31864805563 is selected but all three jobs are skipped because the existing workflow accepts only product/v21-product-experience-shell-p0, while #387 is the separately authorized exact branch product/v21-product-experience-bilingual-search-translation-task-ux-p0.

If this proposal is ordinary-merged, implementation authority is limited to four existing base-owned files: the WP0 routing policy + its existing Product routing contract, and the Product Final Validation workflow + its existing static contract. The first implementation commit must be tests-only across those two existing tests. GREEN may add only the one exact Product path and one exact Product branch literal. No wildcard/prefix routing, Product runtime/dependency/Layered risk-policy/UAT evidence changes, second workflow/UAT framework, gate weakening, or fabricated UAT evidence is authorized.

Summary by CodeRabbit

• Documentation

  • Added governance documentation for approved CI validation routing repairs.
  • Documented review requirements, permitted scope, and fail-closed safeguards.
  • Confirmed that existing validation behavior remains unchanged.

• Chores

  • No runtime, dependency, trigger, release, publishing, or promotion changes were introduced.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 92abc2a1-6feb-4b89-b045-7e91e8773726

📥 Commits

Reviewing files that changed from the base of the PR and between 031797f and 8b71c3a.

📒 Files selected for processing (1)

• governance/layered-ci/v21-product-experience-bilingual-search-final-validation-branch-route-repair-authorization.json

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📝 Walkthrough

Walkthrough

The pull request adds a governance authorization manifest for two Product Experience bilingual-search CI routing repairs. The manifest defines exact scopes, permitted files, canonical digests, prohibited changes, validation requirements, independent review, and ordinary merge constraints.

Changes

Product bilingual-search route repair

Layer / File(s)	Summary
Route repair authorization manifest governance/layered-ci/v21-product-experience-bilingual-search-final-validation-branch-route-repair-authorization.json	Defines exact WP0 and Product branch scopes, SHA-256 canonicalization and digests, permitted workflow and policy files, prohibited runtime and CI changes, existing validation contracts, independent review requirements, and ordinary two-parent merge constraints.

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

Merge Risk: ⚪ Minimal · up to 8b71c

This change authorizes narrowly scoped CI route repairs without changing product runtime behavior; no actionable merge-blocking risk remains after normal validation and review.

Possibly related PRs

• laiqian0239-glitch/yance#22: Adds authorization for the same WP0 Product and documentation routing paths.
• laiqian0239-glitch/yance#64: Covers related exact Product layered-CI routing and authorization paths.
• laiqian0239-glitch/yance#128: Adds a similarly scoped V21 CI route repair authorization document.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the v21 governance authorization for closing the bilingual Product CI routing gaps described in the changeset.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch governance/v21-product-experience-bilingual-search-final-validation-branch-route-repair-authorization

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Review ran into problems

🔥 Problems

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[laiqian0239-glitch]

@coderabbitai full review

[coderabbitai]

✅ Action performed

Full review finished.

[laiqian0239-glitch]

Independent exact-head authorization review for 8b71c3ad564e66523df27f6503f642ce414c0c93. CodeRabbit full review processed the one-file net diff from trusted base 031797f8d5dc3dd3fccad39e9ca45889ecb96aff, reported no actionable comments and minimal merge risk; its comment also reported an internal clone resource warning, so this record independently verifies the governance-critical invariants rather than relying on that result alone. Final PR net diff is exactly one authorization JSON, ahead 2 / behind 0. Recomputed canonical SHA-256 sets match the declared authority: authorization path 3c8a09140f28c9e1b565a97a8988ddcb24d4bf38c71d16880fcf4705accd15b7; four implementation paths 9a0c41a7c0767e07176ff897cdd0ac58fad3c7ac59827cc75b4d91c2321056a7; two tests-only failure-first paths a0aa35cde230f8b113342ca9e3c650bccb1450cb362517a012a852fc9cb39102; one WP0 exact Product path 7d91c576be6f3f48bb401a88aa52fa328c01f576b6759c182c154a790a10fc6a; two exact Product branch literals 578f95955132db36b14321509b959d6d58a6353e60eb2a0a1ff49fb7124876e2; workflow path eca1bb2482379a5df234b391747d035ddde2419b6072f6fd279a58239e4e0322; WP0 policy path 2ed622837b028e8b6062e06f3dd933634a5ea0d38d4a89754d68732861a63da3. Scope authorizes only existing base-owned WP0 route policy + Product route contract and existing Product Final Validation workflow + static contract. It forbids broad Product prefixes, wildcard/prefix branch matching, trigger expansion, fail-open routing, Product/Electron runtime changes, dependencies/manifests/lockfiles, Layered risk-policy changes, UAT evidence/status changes, a second workflow/UAT framework, validation/artifact weakening, temporary alias branches, and fabricated UAT. Existing mature repository seams are reused; no new Yance infrastructure is authorized. Review threads are empty. P0/P1 blocking findings: 0. Merge remains gated on remaining exact-head required CI, fresh-main immediately before merge, and explicit owner authorization because this proposal would newly permit workflow/WP0 policy modifications forbidden by #386.