Persist failed X publication record for PR 28143

[yvette-carlisle]

Summary

• add a social_post/v1 failed record for openai-codex-pr-28143
• record that the candidate was publish-worthy but Chrome account/profile verification was unavailable
• document that no reservation, compose, media upload, or X post happened

Validation

• jq empty artifacts/social/x/posts/2026-06-16/openai-codex-pr-28143-chrome-account-verification-blocked.json
• decodex radar validate artifacts/github/social-candidates artifacts/social/x

Publisher Evidence

• candidate: openai-codex-pr-28143
• decision.worthiness: publish
• mode: operator_impact
• status: failed
• failure: chrome_account_verification_blocked
• daily cap: 1/8 before and after for Asia/Shanghai 2026-06-16
• publication URL: none
• media: none; stopped before account verification and compose gates

Chrome Gate

Chrome was running, the Codex Chrome Extension was installed/enabled, and the native host manifest was correct, but the Chrome control channel was unavailable on setup and retry. Publisher failed closed before reservation or compose.

[yvette-carlisle]

Closing per operator request; this legacy publisher artifact PR is no longer needed.