6 Ways Your AI Agent Fails Silently (With Code to Catch Each One)

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Your AI agent says "Done! Order placed successfully." But it ordered the wrong product. Or it ignored a tool error and hallucinated the rest. Or someone changed the system prompt mid-session and the agent quietly shifted its behavior. The agent didn't crash. It didn't raise an exception. It just... did the wrong thing and reported success. I've been building agents in production and I keep seeing the same failure patterns. Here are the 6 most common ones, with concrete code examples showing h

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