Copy used navigator.clipboard which is undefined over plain-http LAN URL → nothing copied, no feedback. Now falls back to execCommand + flashes Copied. Instances section gains an 'Install' button (for not-yet-activated instances) that toggles the deploy one-liners back up — no need to re-request when the approve panel is gone. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>