Gmail AI Threat Scanner detects email anomalies with zero-infrared detection? Wait: "zero-infra" likely "zero-infra". The original: "Gmail AI Threat Scanner–zero-infra email anomaly detection". We should produce: "Gmail AI Threat Scanner detects email anomalies with zero-infra" but must be clear. "zero-infra email anomaly detection" seems to be a phrase; maybe "zero-infra" refers to zero infrastructure. So: "Gmail AI Threat Scanner uses zero-infra email anomaly detection." But we should avoid invented phrasing. Perhaps: "Gmail AI Threat Scanner – zero-infra email anomaly detection." We can convert to sentence: "Gmail AI Threat Scanner uses zero-infra email anomaly detection." Keep capitalization: only first word and proper nouns. "Gmail AI Threat Scanner uses zero-infra email anomaly detection." That's under 200 chars. Let's output. Gmail AI Threat Scanner uses zero-infra email anomaly detection.

Original headline: "Gmail AI Threat Scanner–zero-infra email anomaly detection"