thiffany33/integra-sgi ? reverse-engineered prompt

Build me a platform for guiding people who are setting up an integrated management system.

I want a full web app with a modern React frontend and a NestJS API, sharing the same validation rules and types so the two sides stay in sync. The app should support login, admin setup, email sending, and session based authentication with secure cookies. It should also let users choose their language, with Portuguese, English, French, and German support, and remember the logged in user preference in the database.

Please set it up as a monorepo with a local development flow that works with Docker and PostgreSQL, including database migrations and a simple way to seed an initial admin account. Use environment variables cleanly for local, staging, and production, and make sure the frontend talks to the API through a configurable base URL.

If you need to check current docs for React, NestJS, Prisma, or deployment details, feel free to look them up online.