Claude Code Quietly Added a 60-Second Timeout to AskUserQuestion (AFK Mode)

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Claude Code v2.1.198 shipped AFK mode with no changelog line: an unanswered AskUserQuestion now auto-answers after 60 seconds and tells the model to proceed on its best judgment. I reverse-engineered it from the binary - the version bisect, the two undocumented env vars (CLAUDE_AFK_TIMEOUT_MS, CLAUDE_AFK_COUNTDOWN_MS), the months of GitHub issues closed as "not planned", and why the safe option…

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