Comprehensive implementation plan for transitioning from team-based
to SaaS subscription model with Free/Pro/Team tiers:
- Phase 1 (Days 1-3): Database migration in 6 separate migrations
- Migration 016: Create accounts, subscriptions, plan_limits, account_invites tables
- Migration 017: Add account_id and account_role to users
- Migration 018 (critical): Migrate users/teams to accounts
- Migration 019: Migrate team_id FKs to account_id on content tables
- Migration 020: Add constraints and finalize migration
- Migration 021: Drop old team columns and teams table
- Phase 2 (Days 4-7): Backend updates
- New models: Account, Subscription, PlanLimits, AccountInvites
- Refactor permissions system (account_role replaces role/is_team_admin)
- Add subscription helpers for feature gating
- Update all 25+ endpoints to use account_id
- Update test fixtures and fix 61+ tests
- Phase 3 (Days 8-10): Frontend updates
- Update types (account_id, account_role)
- New hooks: useSubscription, updated usePermissions
- Account settings page with subscription info
- Usage indicators and upgrade prompts
- Stripe Checkout button (disabled until ready)
- Phase 4 (Days 11-12): Stripe preparation
- Install Stripe SDK
- Webhook skeleton with event handlers
- Code ready to enable when Stripe account created
Key features:
- Build Stripe-ready but ship free-tier-only initially
- Feature branch workflow (feat/subscription-tiers)
- Comprehensive rollback plans for each phase
- All limits configurable via plan_limits table
- 10-12 day timeline with safety checks
- Test on production copy before migration
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>