https://torresmanu.com/notes/Field notes from building data products and AI systems in production.en https://torresmanu.com/notes/root-cause-checklist-ai-agents.htmlhttps://torresmanu.com/notes/root-cause-checklist-ai-agents.htmlMon, 02 Nov 2026 09:00:00 GMTAI agentsA root-cause checklist for AI agents in production. Four questions to ask every failed run, what to log so you can answer them, and the failure patterns that hide behind green spans.