Vercel Deployment Protection Migration

Toggle production from auth-walled to public when ready for testnet launch.

Prerequisites (Phase 11 sign-off)

All must be true before toggling:

• [ ] All P0/P1 audit findings closed
• [ ] All 5 mobile flows tested on real devices
• [ ] Lighthouse score ≥ 90 (performance, accessibility, best practices, SEO)
• [ ] All backend health checks green (/healthz on codex, tablet)
• [ ] Upptime status page shows 100% for 24h

Steps (Dashboard)

1. Open Vercel Dashboard → Project: atrium-verify.
2. Settings → Deployment Protection.
3. Change from "Standard Protection" to "Only Preview Deployments".
4. Click Save.

Steps (CLI alternative)

vercel project add atrium-verify --prod-only-protection

Verification

1. Open https://verify.useatrium.me in an incognito/private browser window.
2. Page should load without any Vercel auth challenge.
3. Check all critical routes:

• / (landing)
• /app (main app)
• /app/trade (trade flow)

Rollback

If any issue is discovered post-toggle:

1. Settings → Deployment Protection → select "Standard Protection".
2. Save immediately.
3. Investigate in #ops-alerts.

Related

• runbooks/vercel-env-scoping.md, environment variable configuration
• runbooks/dns-provisioning.md, custom domain setup