.env.example

# Required on Vercel
FLASK_ENV=production
SECRET_KEY=replace-with-a-long-random-value
DATABASE_URL=postgresql://user:password@host/database?sslmode=require
BLOB_READ_WRITE_TOKEN=vercel_blob_rw_replace_me

# Run these locally with `flask create-admin` after `flask init-db`
ADMIN_USERNAME=admin
ADMIN_EMAIL=admin@example.com
ADMIN_PASSWORD=replace-with-a-strong-password

# Transactional email (recommended on Vercel)
EMAIL_PROVIDER=resend
RESEND_API_KEY=
MAIL_DEFAULT_SENDER=Statistical Model Suggester <noreply@example.com>

# Optional local SMTP fallback: set EMAIL_PROVIDER=smtp
MAIL_SERVER=smtp.gmail.com
MAIL_PORT=587
MAIL_USE_TLS=true
MAIL_USERNAME=
MAIL_PASSWORD=

# Optional AI enhancement
AI_ENHANCEMENT_ENABLED=false
OPENAI_API_KEY=
OPENAI_MODEL=gpt-5-mini
OPENAI_FALLBACK_MODEL=gpt-5-mini
OPENAI_REASONING_EFFORT=low
AI_REQUESTS_PER_USER_PER_HOUR=20
AI_REQUEST_TIMEOUT_SECONDS=45
AI_MAX_OUTPUT_TOKENS=400