docs: add voucher redemption UI, companion domain prompt, and 3 new service pages - Admin:-Grant-Free-Months: document web UI path for voucher redemption (Team Settings → Subscriptions → Have a voucher code? tab, added in osaas-app#4181) - User-Guide:-Custom-Domains: add note about companion domain prompt when adding a custom domain (apex <-> www suggestion, added in osaas-app#4182) - New: Service:-Test-Source-HLS-Live (eyevinn-docker-testsrc-hls-live) - New: Service:-OSC-Command (eyevinn-osaas-client-ts) - New: Service:-Chromecast-Receiver (eyevinn-cast-receiver)

Claude Agent committed May 26, 2026