Silent Retries and Agent Latency: What Sentry's Span Hierarchy Taught Us About M

<p>Four agents entered an infinite loop in November 2025. They ran for 11 days. The bill was $47,000. Nobody noticed until it was over.</p> <p>The team was running a market

<p>I once watched a nine-minute agent workflow spend seven minutes and forty seconds doing nothing. Not failing. Not retrying. Just waiting each agent idle while the previous one

<p>On March 31, 2026, Anthropic accidentally shipped the entire source code of Claude Code — its flagship AI coding agent — inside a routine npm update. No hack. No reverse

<p><em>10,847 decision events. 3 surprising insights. And one $23 wake-up call that changed how I think about agent observability.</em></p> <h2> The $23 Mystery </h2> <p>I run a

<p>Failures are obvious.</p> <p>Retries are sneaky.</p> <p>When something fails, everyone notices.</p> <p>An alert goes off.<br /> A request errors out.<br /> Someone starts

<p>Vertex AI has been Google Cloud's AI development platform since 2021. On April 22, 2026, at Google Cloud Next in Las Vegas, Google retired it — not with a deprecation notice,