---
title: "Discussion on \"The Agent Guarded One Caller and Left the Same Bug Behind the Other Door\" | Hashnode"
description: "Discussion on \"The Agent Guarded One Caller and Left the Same Bug Behind the Other Door\". The agent guarded the user-facing call site and the test went green, but the same helper sat behind an internal batch job the fix never touched. Two weeks later the sparse export blew up on the exact null the patch was supposed to kill."
url: "https://hashnode.com/posts/agent-fixed-one-caller-left-sibling-path/6ad92db7ffbeac1f620a3b28"
---

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Discussion

# [The Agent Guarded One Caller and Left the Same Bug Behind the Other Door](https://blogs.powerduck.com/agent-fixed-one-caller-left-sibling-path?utm_source=hashnode&utm_medium=feed)

The agent guarded the user-facing call site and the test went green, but the same helper sat behind an internal batch job the fix never touched. Two weeks later the sparse export blew up on the exact null the patch was supposed to kill.

Oct 21 · 5 min read · blogs.powerduck.com  
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-   [#aiagents](https://hashnode.com/tag/aiagents)
-   [#testing](https://hashnode.com/tag/testing)
-   [#debugging](https://hashnode.com/tag/debugging)
-   [#verification](https://hashnode.com/tag/verification)

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