test(honeypot): add comprehensive tests for teapot/honeypot anti-spam system
Add tests for the honeypot detection system that catches bots ignoring robots.txt:
- Bot detection patterns (SEO bots, AI crawlers, scripting tools, headless browsers)
- Severity classification (warning vs critical paths)
- TeapotController response (418 status, custom headers, hit logging)
- Rate limiting to prevent log flooding
- Header sanitization (removes sensitive headers before storage)
- Model scopes (recent, fromIp, bots, critical, warning)
- Statistics for dashboard (total, today, unique IPs, top bots)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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