Function anomaly_detection

nodedb/src/control/security/observability.rs:315–322

()

    #[test]
    fn anomaly_detection() {
        let m = AuthMetrics::new();
        for _ in 0..50 {
            m.record_auth_failure("password");
        }
        assert!(m.failed_login_spike(10));
        assert!(!m.failed_login_spike(100));
    }

    #[test]
    fn circuit_breaker() {