[WIP] Review how read_timeout and write_timeout are set in Nginx configuration

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

read_timeoutとwrite_timeoutをnginxにどのように渡しているかを確認したい。nginxの設定に変換している箇所を教えて。

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[CLAassistant]

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