[BUG] Current input is not saved to history

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Claude in the terminal does not remember edited prompts.

This happened to me in a multi-line edit, when I pressed Up once too often by mistake. Owch.

What Should Happen?

Edited prompts should be in the history as-edited, not (or maybe in addition to) as-sent-to-Claude.

Error Messages/Logs

Steps to Reproduce

1. Start Claude (terminal)
2. enter a few prompts
3. go back (cursor-up) and edit one of them, but do not press Enter
4. do another cursor-up, then cursor-down (or vice versa)
5. your edit is lost

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.25 (Claude Code)

Platform

Other

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Other

Additional Information

_No response_