# Server
PORT=3000
ADMIN_KEY=your-admin-key-here

# AI ROI Estimator (OpenAI-compatible API)
AI_API_URL=https://integrate.api.nvidia.com/v1
AI_API_KEY=your_nvidia_api_key_here
AI_MODEL=qwen/qwen3.5-397b-a17b
# Set to 'true' to enable detailed AI prompt/response logging
AI_DEBUG=false

# Form abuse protection
# Cloudflare Turnstile (free): https://dash.cloudflare.com/?to=/:account/turnstile
# Leave blank to run without a visible CAPTCHA — the honeypot, signed form token
# and per-IP rate limits stay active either way.
TURNSTILE_SITE_KEY=
TURNSTILE_SECRET_KEY=
# Optional: stable secret for signing form tokens. If unset, a random one is
# generated per process (tokens simply stop validating across restarts).
FORM_TOKEN_SECRET=