- Retry extraction with 2.5s delay on CRC/password errors (Windows file handle race) - Improve auto-recovery: force re-download when known password fails (content corruption) - Expand auto-recovery to wrong_password category for encrypted RAR5 - Add fsync after download for pre-allocated files - Fix permanent extraction failure loop for archives with valid headers but corrupt content Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>