# Basic
NEXT_PUBLIC_STACK_API_URL=# the base URL of Stack's backend/API
NEXT_PUBLIC_STACK_PROJECT_ID=# the project ID to use
NEXT_PUBLIC_STACK_PUBLISHABLE_CLIENT_KEY=# publishable client key for the project
STACK_SECRET_SERVER_KEY=# secret server key for the project
STACK_OPENROUTER_API_KEY=# OpenRouter API key for AI-enabled chat