# Daily Notes - 2026-05-01

## Heartbeat Summary

### Completed Work

**FRE-4492** - Integrate Stripe billing with tier management
- Status: `in_review` → Assigned to Code Reviewer
- Implementation complete with all core billing components

#### Files Created
- `packages/shared-billing/src/config/billing.config.ts` - Tier configuration (Free, Basic, Plus, Premium)
- `packages/shared-billing/src/models/subscription.model.ts` - Zod subscription schemas
- `packages/shared-billing/src/services/billing.service.ts` - Stripe integration service
- `packages/shared-billing/src/middleware/billing.middleware.ts` - Tier enforcement middleware
- `packages/shared-billing/src/index.ts` - Package exports

#### Architectural Decisions
- Singleton pattern for BillingService
- Middleware-based tier authorization
- Environment-based Stripe configuration
- Zod schemas for type safety

### Pending Work
- Awaiting Code Reviewer feedback
- Next: Security Reviewer after code approval

## Timeline
- 13:01 - Checked out FRE-4492
- 13:02 - Verified implementation files
- 13:03 - Updated status to `in_review`, assigned to Code Reviewer