The ?variant=hard mode requires a stricter Turnstile widget
provisioned separately on the Cloudflare dashboard. To enable it:
scraper-cf-target.lt3.co. Recommended stricter
settings: Widget Mode = Managed, Pre-clearance = No.worker/wrangler.toml under
[vars] as TURNSTILE_SITEKEY_HARD.wrangler secret put TURNSTILE_SECRET_HARD.npm run deploy.Then revisit
/turnstile-on-demand?variant=hard.