feat: headless stealth hardening + auto headed fallback#74
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CDP artifact removal, screen/viewport dimension spoofing, navigator.connection, WebRTC IP leak prevention, realistic viewport.
When content blocking is detected, automatically switches to headed browser to retrieve content. Disable with --no-auto-recover.
- Use headed response status instead of stale headless response - Save headless snapshot before close for fallback error path - Null context/page after fallback failure to prevent stale access - Re-detect content blocking after headed fallback - Cache canLaunchHeaded result (60s TTL) to avoid repeated browser probes - Defensive copy of WebRTC config to prevent mutation - Targeted CDP artifact list instead of Object.keys(window) scan
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Summary
Follow-up to #73. Makes headless sessions work after headed login on aggressive anti-bot sites like X.com.
headedFallback: true--no-auto-recoverflag to disable the automatic fallbackHow it works
Test Plan
Related Issues
Follow-up to #38 / #73