d9489095bf
- archive.ph timemap → snapshot URL → crawl4ai fetch (low rate-limit endpoint) - Unpaywall OA lookup for DOIs (science) - crawl4ai direct as final fallback - Detect paywall markers (Spiegel S+, generic abonnieren) + content length - Status icons: 🔓 OA · 📖 fetched · ⏳ retry · 🚫 gave up (3h) · ❌ error - mdToHtml inline converter (lists/links/headings/bold/code) + strips nav/share lines - regex hostname extractor (URL constructor undefined in n8n task runner sandbox)