The Remote Companion intro modal gains a second screen: an "I've installed
it" button next to the download button slides over to a pairing QR the
companion app scans to load the server details automatically, with a Back
button to return. The QR is an archipelago://pair deep link carrying the
server URL — the demo embeds https://demo.archipelago-foundation.org plus
the shared demo password so a scan lands in a logged-in demo session; real
nodes send only the address (kiosk advertises the mDNS .local name since
its own origin is localhost). Phones also get a tap-to-open deep-link
button since you can't scan your own screen.
App-side contract + requirements handed off in docs/companion-pairing-qr.md.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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