Full-Stack Evaluation Benchmark

Write a type-safe Next.js API route handler with Prisma transactions, error handling, and rate limiting headers.

Implement a full-stack JWT authentication system featuring access/refresh token rotation, HTTP-only cookies, password hashing with bcrypt, and role-based access control middleware.

Build an enterprise Stripe webhook integration handler supporting signature verification, customer subscription state synchronization, and database transaction updates.

Create a Node.js WebSocket server supporting multi-room chat channels, client heartbeat ping/pong, message persistence, and presence tracking.

Build a secure file upload pipeline with client-side image compression, S3 presigned URL generation, file type validation, and database asset metadata creation.

Implement a Redis-backed token bucket rate limiting middleware with sliding window algorithms, custom quota tier overrides, and standard HTTP rate limit headers.

Write a complete GraphQL server schema with type definitions, queries, mutations, dataloader batching to solve N+1 problems, and field-level authorization policies.

Implement a multi-tenant database isolation architecture using PostgreSQL Row Level Security policies, tenant context middleware, and automated migration scripts.

Build an asynchronous background task processing system with BullMQ/Redis queues, failure retry strategies, task progress reporting, and dead-letter queues.

Create a Next.js Server-Sent Events route handler that streams real-time AI token generation chunks to the client with reconnection event id tracking.