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I kept shipping agents I had only tested on the happy path

The first test I write for a new agent is always the one it passes. A clean input, a well-formed tool response, a sensible final answer. I tell myself I will add the messy cases later. Later usually means after the first user finds them. The failure I kept hitting was not a crash. It was the quiet…

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  1. 2026-11-10 22:53 · DEV Community — AI
    I kept shipping agents I had only tested on the happy path

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