Most posts about "AI email agents" stop at the happy path: webhook fires, model drafts a reply, agent sends it. Demo works, screenshot looks great, ship it. Then it goes to production and the agent replies to the same customer twice ninety seconds apart, and now your "intelligent assistant" loo...
Source: [Dev.to](https://dev.to/mqasimca/make-your-email-agent-idempotent-against-duplicate-webhooks-521f)