wp_localize_script doesn't work correctly with WordPress 6.3+ when using strategy => 'defer'. Switch to wp_add_inline_script with 'before' position to ensure roiAdsenseConfig is defined before the deferred script executes. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>