test: verify phase 3 Required Gate activation after metadata edit

[a3384379]

Purpose

Temporary post-merge activation test for PR #114. This docs-only change should route to the docs tier, run Quick CI through PR Validation, and receive a Required Gate Commit Status from the trusted default-branch publisher on the current head.

Expected closure

Verify the status source, exact head/base/run association, and ruleset recognition; then close this test PR and delete its branch. This file is not intended for main.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-27T04:02:24.628424Z	2e618c8	PR opened

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