Debugging the Black Box: Why Session Replay, Error Tracking, and Structured Logs Are the Missing Observability Layer for Production AI Agents

Description and use

<p><em>Originally published on <a href="https://tamiz.pro/insights/debugging-black-box-ai-agents-observability-session-replay-error-tracking" rel="noopener noreferrer">tamiz.pro</a>.</em></p> <p>Your AI agent deployed last Tuesday is serving 40,000 sessions a day. On Thursday, support tickets spike: users report the agent "gave the wrong answer" or "stopped working halfway through." You open your APM dashboard. All HTTP 200s. No exceptions thrown. p99 latency looks fine. The LLM provider's uptime page says everything's green. So what actually broke?</p> <p>The answer: you can't tell. Not becau

Problem

<p><em>Originally published on <a href="https://tamiz.pro/insights/debugging-black-box-ai-agents-observability-session-replay-error-tracking" rel="noopener noreferrer">tamiz.pro</a>.</em></p> <p>Your AI agent deployed last Tuesday is serving 40,000 sessions a day. On Thursday, support tickets spike: users report the agent "gave the wrong answer" or "stopped working halfway through." You open your APM dashboard. All HTTP 200s. No exceptions thrown. p99 latency looks fine. The LLM provider's uptime page says everything's green. So what actually broke?</p> <p>The answer: you can't tell. Not becau

Outcome

<p><em>Originally published on <a href="https://tamiz.pro/insights/debugging-black-box-ai-agents-observability-session-replay-error-tracking" rel="noopener noreferrer">tamiz.pro</a>.</em></p> <p>Your AI agent deployed last Tuesday is serving 40,000 sessions a day. On Thursday, support tickets spike: users report the agent "gave the wrong answer" or "stopped working halfway through." You open your APM dashboard. All HTTP 200s. No exceptions thrown. p99 latency looks fine. The LLM provider's uptime page says everything's green. So what actually broke?</p> <p>The answer: you can't tell. Not becau

Evidence

Debugging the Black Box: Why Session Replay, Error Tracking, and Structured Logs Are the Missing Observability Layer for Production AI Agents

Source