Observability at Scale: Mastering ADK Callbacks for Cost, Latency, and Auditability [GDE]
AI orchestrators receive significant attention; however, when deployments become latent and costly, developers often overlook a critical capability: ADK callback hooks. The design patterns and best practices of callback hooks enable developers to refactor logic from agents to callback hooks to add observability, reduce cost and latency, and modify session state dynamically.