Settings & billing
Phase 1 ships a mock-auth tier toggle (stored in browser localStorage). Phase 2 will replace this with Supabase Auth + Stripe-managed subscriptions.
Subscription
Current plan: Free (£0)
Billing portal
Stripe Customer Portal will open here in Phase 2 to manage payment method and invoices.
Account
Magic-link sign-in via Supabase will be wired up in Phase 2.