chrome浏览器版本150.0.7871.47使用Sender组件slot模式时，粘贴包含换行的文本只读取到第一行内容

[Tingoo]

重现步骤

在线示例链接：（必填）

步骤：
1.chrome更新到149版本以上
2.Sender组件使用slot模式
3.粘贴包含换行的文本

当前行为

F12查看元素发现每一行文本被div包裹，发送时只能拿到第一行内容

预期行为

发送时应该拿到粘贴的所有内容

上下文

No response

版本

2.7.0

您在哪些浏览器上遇到了这个问题？

Chrome

[dosubot]

Hi @Tingoo! I'm Dosu and I'm helping the Ant Design X team.

This is a known limitation of the Sender component's slot mode. The issue is in SlotTextArea.tsx where the onPaste event handler calls getCleanedText, which replaces all newline characters in the pasted text [1]. A maintainer confirmed that handling line breaks in slot mode paste is not currently supported.

This was previously reported in #1626, where a maintainer noted that paste with newlines is difficult to handle in slot mode and welcomed PRs to address it [1].

The Chrome 149+ behavior you're seeing (each line wrapped in <div>) is Chrome's default contentEditable behavior, which makes the issue more visible — but the root cause is the same: the slot mode paste handler strips newlines by design.

To reply, just mention @dosu.

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