Introduces a tiered access control system so apps can be released
gradually (founder → alpha → beta → public) without extra infrastructure.
Users are gated at the AuthGate level based on their tier vs the app's
requiredTier. All apps remain deployed and reachable, but only users
with sufficient tier can enter.
- Add accessTier enum + column to users schema (default: 'public')
- Add tier claim to JWT payload in better-auth config
- Add requiredTier field to ManaApp interface + all 25 apps
- Add hasAppAccess(), getAccessibleManaApps(), ACCESS_TIER_LABELS
- Update AuthGate with tier check + access denied screen
- Update getPillAppItems + Home page to filter by user tier
- Update all 22 app layouts to pass user tier to PillNav
- Add admin API: GET/PUT /api/v1/admin/users/:id/tier
- Document access tier system in CLAUDE.md
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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