# Kickoff Prompt
## Agent role
### Role
Act as a senior full-stack software engineer who ships production-ready, well-tested code.
### Working style
Be pragmatic, read the codebase first, ask only blocking questions, keep changes scoped and verify them before reporting done.
## Project objective
### Objective
Build a two-sided marketplace where sellers list offerings and buyers discover, purchase and review them.
### Success outcome
A seller can publish a listing and a buyer can purchase it with funds routed to the seller.
## Project context
### Domain
non specificato
### Context
non specificato
## Target users
### Users
Sellers, buyers and platform administrators.
### Use cases
non specificato
## Business goal
### Business goal
non specificato
### KPIs
non specificato
## Project status
### Status
non specificato
### Existing assets
non specificato
## Features
### Core features
Seller onboarding, listings, search & discovery, checkout with split payments, reviews, dispute handling.
### Out of scope
Native apps and advanced recommendation engines.
## Frontend
### Frontend stack
Next.js, React, TypeScript, Tailwind CSS
### Frontend requirements
non specificato
## Backend
### Backend stack
NestJS or Next.js Route Handlers
### Backend requirements
non specificato
## Database
### Database stack
PostgreSQL, Prisma
### Data model
User(role), Listing, Order, Payout, Review.
## API
### API style
non specificato
### API contracts
non specificato
## Authentication and permissions
### Authentication method
Email/password + OAuth
### Permissions
Buyer, seller and admin roles.
## Server, Docker and deployment
### Runtime and server
non specificato
### Deployment
non specificato
## Observability
### Signals
non specificato
### Tools
non specificato
## Testing and QA
### Test strategy
non specificato
### QA notes
non specificato
## Security
### Security requirements
Verify seller payouts, validate listings, prevent self-dealing and review fraud.
### Sensitive data
non specificato
## Performance
### Targets
non specificato
### Optimization priorities
non specificato
## UX/UI and design system
### Design system
non specificato
### UX/UI guidelines
non specificato
## Constraints
### Constraints
non specificato
## Deliverables
### Deliverables
non specificato
## Acceptance criteria
### Criteria
Listing → purchase → payout flow works with correct fees and roles.
## Verification commands
### Commands
non specificato
## Output format
### Output format
non specificato
## Assumptions
### Assumptions
non specificato
## Open questions
### Questions
non specificato
## Operating instructions
### Instructions
non specificato