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React 19

UI framework with hooks and concurrent features

TypeScript 5.9

End-to-end type safety across client and server

Tailwind CSS 4

Utility-first CSS framework for responsive design

shadcn/ui + Radix UI

Accessible, composable UI component library

Vite 7

Lightning-fast build tool and dev server with HMR

Recharts

Data visualization for performance analytics

Lucide React

Beautiful, consistent icon library

Wouter

Lightweight client-side routing

jsPDF

Client-side PDF generation for reports

Node.js 22

JavaScript runtime for server-side logic

Express 4

HTTP server framework for API routes

tRPC 11

End-to-end typesafe API layer with React Query

Drizzle ORM

Type-safe SQL ORM with schema migrations

Zod

Runtime schema validation for API inputs

Puppeteer

Server-side PDF generation for team reports

OpenAI GPT-4o

Conversational AI for scenario roleplay and scoring

OpenAI TTS-1

Text-to-speech for voice-only training mode

OpenAI Whisper

Speech-to-text transcription for voice input

HeyGen Streaming Avatar

Real-time interactive AI avatar with lip-sync video

Web Speech API

Browser-native speech recognition in 17+ languages

LLM Translation

AI-powered bulk translation for 9 languages

MySQL / TiDB

Relational database with 20+ tables for all app data

S3 Object Storage

Cloud file storage for media assets and exports

Drizzle Kit

Schema-first database migrations and management

OAuth 2.0

Secure authentication via Manus OAuth provider

JWT (jose)

Signed session tokens for stateless authentication

Role-Based Access

Admin, Manager, and User roles with permission gates

Vitest

139+ unit and integration tests for backend

pnpm

Fast, disk-efficient package manager

esbuild

Ultra-fast server bundler for production builds

Manus Cloud

Hosting platform with custom domain support

SuperJSON

Serialization for dates and complex types over tRPC

Prettier

Opinionated code formatter for consistency