Composer 2.2+ blocks unvetted plugins by default. The WPCS installer needs dealerdirect/phpcodesniffer-composer-installer to register standards with PHPCS, so 'composer global require wp-coding-standards/wpcs' was exiting 1 with 'plugin is blocked by your allow-plugins config' and skipping the subsequent PHPCS/PHPUnit/deploy steps.
Adds a one-line 'composer global config allow-plugins' call before the require, per Composer's own suggested remediation. Unblocks the deploy pipeline for commit 428a3d5 and all future pushes.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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