Save screenshot_dir to database when scans complete so the directory
is properly cleaned up on scan deletion. Previously the field was never
populated, causing screenshots to remain after deleting scans.
Update sslyze to 6.2.0 and cryptography to 46.0.0 to fix certificate
handling issues with negative serial numbers (RFC 5280 compliance).
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add certificate details modal to scan detail page with subject, issuer,
validity dates, serial number, self-signed indicator, SANs, and TLS
version support with expandable cipher suites
- Fix bug where certificate data was not being saved to database due to
incorrect path lookup (was checking http_info['certificate'] instead of
http_info['ssl_tls']['certificate'])
- Update requirements: add sslyze 6.0.0 and upgrade cryptography to >=42.0.0
to fix 'No module named cryptography.x509.verification' error
