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Home/End in ask_user answer input also scroll the timeline to top/bottom

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难度
2/5
预计耗时
1-3 小时
新手友好度
66/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
shell
领域
cli

调研方向

找到 v1.0.52 (#3470) 中添加的 Home/End 滚动快捷键,并追踪 ask_user 对话框获得焦点时它如何检查光标位置。按照此 issue 中的步骤复现,然后确认在回答字段中按 Home 和 End 会移动光标而不滚动时间线;验证普通聊天输入框仍支持文档所述的按两次行为。

由索引模型根据 Issue 内容生成。

描述

area:input-keyboard
Describe the bug

While the agent is asking a question (ask_user / "Asking user"), pressing Home or End
inside the answer input moves the input cursor and also scrolls the conversation
timeline to the very top / bottom.

The Home/End scroll shortcut (added in v1.0.52, see #3470) is meant to fire only when
the text cursor is already at the start/end of the prompt. However, the check seems to
look at the main chat prompt rather than the input that currently has focus. While the
question dialog is open, the main prompt is usually empty, so its cursor counts as being
at both the start and the end. As a result, every Home/End press inside the dialog
triggers the scroll.

Ctrl+A / Ctrl+E inside the dialog move the cursor without scrolling, as expected.

Affected version

GitHub Copilot CLI 1.0.95.

Steps to reproduce the behavior
  1. Start an interactive session (alt-screen mode) with enough history to make the timeline scrollable.
  2. Ask the agent something that makes it call ask_user with a free-form answer.
  3. Type a few words in the answer field, move the cursor to the middle, then press Home.
  4. The cursor jumps to the start of the answer, and the timeline also jumps to the top.
    End behaves the same way: the timeline jumps to the bottom.
Expected behavior

While the question dialog has focus, Home/End should only move the cursor in the dialog's
input. Either scroll only when the dialog's own cursor is already at the start/end, or
turn off the timeline Home/End scrolling while the dialog is open.

Additional context
  • The normal chat prompt works as documented: the first Home moves the cursor, and the
    second Home scrolls.
  • OS: Linux (WSL2 on Windows 11)
  • CPU architecture: x86_64
  • Terminal emulator: WezTerm (Windows) → WSL → herdr 0.9.1 (terminal multiplexer).
    herdr forwards a single ESC [ H per Home press.
  • Shell: fish
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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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