Move linker config into gtag('config') call with accept_incoming and
decorate_forms for reliable cross-domain linking. Capture _gl parameter
in sessionStorage to preserve attribution across navigation. Add
referrer-based attribution replay fallback so GA4 reports source/medium
instead of (not set) when UTMs are absent. Add "Always" script category
that executes without waiting for consent.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Google Consent Mode v2 cookie consent plugin with session attribution
preservation, custom script management, and gtag.js/GTM support.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
