feat: global IP/CIDR/UA whitelist bypassing all restrictions
- class-itk-whitelist.php: static class with 5min transient cache,
supports exact IP, CIDR notation, and ua: prefix for UA substrings
- config/whitelist.conf: editable config file (template with examples)
- whitelist check added to bot-blocker, WAF, protection (4 methods),
and honeypot validator — matched requests skip all ITK enforcement
- admin: whitelist.conf added to Config Files editor tab
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Malin
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