Agreely cookie banner (the `/e/v1` edge + the browser client)

Use when installing, operating, debugging or auditing the Agreely COOKIE BANNER (the Quebec Law 25 / Loi 25 cookie-consent product) on a customer website. This is the PUBLIC browser tier on `cdn.agreely.ca` under `/e/v1/*`, driven by a PUBLIC `agr_pub_` site key pasted into a `<script>` tag; it is NOT the Agreely consent-gate SDK/CLI (secret `agr_live_` Bearer key, `api.agreely.ca/v1`, skill `agreely`) and no SDK or CLI can touch it. Triggers on `cdn.agreely.ca`, `/e/v1/loader.js`, `/e/v1/banner.js`, `data-agreely="agr_pub_..."`, `data-agreely-category`, `data-agreely-src`, `data-agreely-open`, `data-agreely-widget`, `data-nonce`, `window.agreelyCookies` (`open`/`acceptAl…