[Feature Request] Make AskUserQuestion timeout configurable

Bug Description
Title: Make the AskUserQuestion timeout configurable (or document it) Body: The AskUserQuestion tool appears to auto-dismiss/time out if I don't answer within a fixed window. This is a problem when I step away mid-task — the question resolves without my input and the agent proceeds on a default/no answer. Requests: 1. Document the current behavior — is there a timeout on AskUserQuestion, and how long is it? It's not mentioned in the tools reference, settings, or env-vars docs. 2. Make it configurable — ideally a settings.json key and/or env var (e.g. ASK_USER_QUESTION_TIMEOUT_MS, consistent with the existing BASH_DEFAULT_TIMEOUT_MS / API_TIMEOUT_MS naming), with an option to disable the timeout entirely (block indefinitely until answered). 3. Optional: expose it to hooks, so a PreToolUse hook could adjust the timeout per-question. Today no hook event can influence it. Use case: I run long agent sessions and often walk away; a hard timeout that silently picks a default undermines the whole point of asking me.

Environment Info

• Platform: linux
• Terminal: pycharm
• Version: 2.1.198
• Feedback ID: 8cd89333-2c2f-48ad-b1d0-12db8b619028

Errors

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