FX.8 Studio Live invite links opened to everyone (LIVE_PUBLIC on)

The invite link (Studio Live from anywhere, through the relay at wss://getcadcraft.com/live/relay) was built and tested since 0.5 but held behind .env LIVE_PUBLIC=0, so /studio, the pricing/FAQ copy and the apps' help said "not open yet". Owner said do it now: LIVE_PUBLIC=1. The site copy follows the switch by itself (/studio Live row, Invite link card, FAQ). a Discord member help for the eight apps (work-live) and MarkupCraft's not-built-yet list updated and compiled. Rules unchanged: the host needs a Team Cloud Plan seat, guests join free, 5 open rooms per host. Checked: relay test 26/26, paid-live gate 10/10, live-rooms 98 of 99 (the one failure, 'no Join in the browser while no public build takes live sessions', was failing before the switch and looks stale because 0.8.1 builds accept live). NOT checked: an invite link run end to end between two real Studios on different networks; the frozen 0.8.1 in-app help and Tutorials pages still say invite links are not open yet until the next release.