# Tech Stack and Roadmap

## Recommended Stack
### Frontend
- Next.js
- TailwindCSS
- shadcn/ui
- TanStack Table
- Recharts
- React Hook Form
- Zod

### Backend
- NestJS
- Prisma
- PostgreSQL
- Redis
- BullMQ

### Infra
- Docker
- Nginx
- S3/local storage

## Delivery Phases
### Phase 1
- Auth and RBAC
- Users
- Contacts
- Integration settings
- Webhook endpoint
- Messages table
- Dashboard summary

### Phase 2
- Conversations inbox
- Templates
- Drafts
- Single send
- Webhook logs

### Phase 3
- Campaign broadcast
- Scheduling
- Queue monitor
- Analytics
- Retry tools