Revert "refactor(agent): 提取共享工具函数至utils模块"

[Eleven-Mouse]

Reverts #3

[Eleven-Mouse]

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Cannot run program "git" (in directory "/project"): Exec failed, error: 2 (No such file or directory)

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DiffGuard Review Failed

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One of setGitDir or setWorkTree must be called.

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Code review encountered an error:

com.diffguard.exception.LlmApiException: 所有批次审查均失败（Claude API error: {
"error": {
"type": "forbidden",
"message": "Request not allowed"
}
}）

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DiffGuard Review Failed

Code review encountered an error:

com.diffguard.exception.LlmApiException: 所有批次审查均失败（Claude API error: {
"error": {
"type": "forbidden",
"message": "Request not allowed"
}
}）

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DiffGuard Review Failed

Code review encountered an error:

com.diffguard.exception.LlmApiException: 所有批次审查均失败（Claude API error:

<title>404 Not Found</title>

404 Not Found

---

openresty ）

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