Discovery Tech Assessment

A simple app for evaluating Full Stack Software Engineer candidates.

Structure

interview-chat-app/
├── backend/       # Backend (Python)
│   ├── main.py
│   └── requirements.txt
└── frontend/                # React & Next.js frontend (App Router)
    ├── app/
    │   ├── layout.tsx
    │   ├── page.tsx
    │   ├── login/page.tsx
    │   └── chat/page.tsx
    ├── components/
    │   ├── auth/LoginForm.tsx
    │   ├── chat/ChatInterface.tsx
    │   ├── providers/AppProviders.tsx
    │   └── ui/Button.tsx
    ├── context/AuthContext.tsx
    ├── lib/api.ts
    └── public/tamedia.svg

Requirements

• Python >= 3.11
• Node.js >= 20.9.0 (recommended: Node 20 LTS or Node 22 LTS).

API

Method	Endpoint	Description
GET	/health	Check app is running
POST	/login	Get a session key to access the endpoints
POST	/chat	Send a chat message
POST	/chat-stream	Send a chat message and get a streaming response

POST /login

Request:

{ "user": "user1", "password": "pass1" }

Response:

{ "session_api_key": "api-key-secret" }

POST /chat

Request:

{ "text": "hello" }

Response:

{
  "text": "Hi there! How can I help you today?",
  "timestamp": "2026-04-08T12:00:00"
}

POST /chat-stream

Request:

{ "text": "hello" }

Response:

data: {"word": "You", "timestamp": "2026-04-09T10:00:00.000000+00:00"}

data: {"word": "said:", "timestamp": "2026-04-09T10:00:00.150000+00:00"}

data: {"word": "\"hello\".", "timestamp": "2026-04-09T10:00:00.300000+00:00"}

data: {"word": "Here", "timestamp": "2026-04-09T10:00:00.450000+00:00"}

data: {"word": "is", "timestamp": "2026-04-09T10:00:00.600000+00:00"}

data: {"word": "a", "timestamp": "2026-04-09T10:00:00.750000+00:00"}

data: {"word": "streamed", "timestamp": "2026-04-09T10:00:00.900000+00:00"}

data: {"word": "response", "timestamp": "2026-04-09T10:00:01.050000+00:00"}

data: [DONE]