- lib/payments.ts: provider-agnostic payment interface; cash (immediate) and card stub (swappable for Square/Stripe Terminal/Tyro) - POST /transactions/:id/refund — manager+, server-authoritative, blocks double-refund - GET /transactions/:id/receipt — structured receipt payload for print/email/SMS - lib/logger.ts: minimal structured JSON logger respecting LOG_LEVEL env var - middleware/requestLogger.ts: per-request method/path/status/ms logging - errorHandler now uses structured logger instead of console.error - Dockerfile: non-root user (appuser), HEALTHCHECK via /api/v1/health, npm cache cleared in runtime stage Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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ROADMAP.md
Milestone 1 — Foundation ✅
- Node/TypeScript API skeleton with Express
- Health check endpoint (
GET /api/v1/health) - JWT auth: login, refresh, logout, /me
- Prisma schema: vendors, users, roles, products, categories, taxes, transactions
- SQLite for local dev; Postgres for production
- React admin SPA (Vite + TypeScript)
- Login page + protected routing
- Dashboard shell with auth context
- Multi-stage Dockerfile; docker-compose with Postgres
- Seed script with demo data
Milestone 2 — Core Data & Admin ✅
- Full CRUD: vendors, users, categories, products, taxes
- RBAC enforcement on all routes (owner / manager / cashier)
- Vendor settings page in admin UI
- User management UI (add, edit, delete, assign role)
- Catalog management UI (products, categories, taxes — tabbed)
- Input validation with Zod on all endpoints
- Pagination on list endpoints
Milestone 3 — Android & Offline Sync ✅ (server-side)
GET /api/v1/catalog/sync?since=<ISO>— delta sync for products, categories, taxesPOST /api/v1/transactions/batch— idempotency-keyed batch upload (207 Multi-Status)GET /api/v1/transactions— paginated list with date/status/payment filtersGET /api/v1/transactions/reports/summary— revenue, tax, top products, payment breakdown- Reports page: stat cards, payment method breakdown, top products, transaction table
- Android Kotlin app: MVVM, Room, offline-first flows (separate deliverable)
- Background sync worker (Android)
- Conflict resolution: server-authoritative for payments (enforced via idempotency)
Milestone 4 — Payments & Hardening ✅
- Payment abstraction layer (
lib/payments.ts) — cash + card stub; swap processCard() for real SDK POST /api/v1/transactions/:id/refund— manager/owner only, server-authoritativeGET /api/v1/transactions/:id/receipt— structured receipt payload for print/email/SMS- Structured JSON request logging (
lib/logger.ts,middleware/requestLogger.ts) - Dockerfile hardened: non-root user (
appuser),HEALTHCHECK, npm cache cleared - Error handler uses structured logger instead of console.error