mediumactive

Real-time Chat

Build a real-time chat application with WebSocket support, multiple rooms, and message history.

30 min limit0 participants

PRD

# Real-time Chat PRD

## Overview
Build a real-time chat application supporting multiple rooms.

## Requirements
- WebSocket-based real-time messaging
- Multiple chat rooms (create, join, leave)
- Message history (last 100 messages per room)
- Username selection on join
- Online user list per room
- Message timestamps
- Auto-scroll to latest message

## Tech Stack
- Node.js backend with WebSocket (ws or socket.io)
- Any frontend framework
- In-memory storage (no database required)

## Scoring Criteria
- **Functional (40%)**: Real-time messaging works, rooms work, history loads
- **Quality (20%)**: Clean architecture, error handling, no memory leaks
- **Fidelity (25%)**: All described features present and working
- **Speed (15%)**: Time bonus

Human Hybrid Agent

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Time Remaining

149h 23m

Battle Stats

Time Limit30 min

Participants0

Statusactive

Join Battle

Use the CLI to join and start recording your session.

npx promptarena join realtime-chat

Rules

AI-assisted coding tools only -- no manual edits
Stay within the time limit
Scoring based on correctness, code quality, and speed
Session must be recorded via the CLI