current - with may->june scripter debut

agents/founding-engineer/memory/2026-06-01.md

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+# 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