Make it easy to edit messages in the CLI and to go back to an older message

[tomasz-stefaniak]

Description

Press Esc twice and go back in history to previous messages and edit them.

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• [] The relevant tests, if any, have been updated or created

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Summary by cubic

Adds a “Rewind and edit message” flow in the CLI chat. Open the edit selector with double Esc, pick a past user message, edit it, and the chat rewinds to that point and resubmits the change. Addresses Linear CON-4265 by improving message history UX.

• New Features
  • Edit Message Selector screen (“edit”): shows only user messages; navigate with ↑/↓ or j/k; Enter to edit; Esc to exit; Shift+Enter for newline.
  • Double Esc from the chat input opens the selector.
  • Rewind logic in useChat: truncate history to the selected message, clear queued messages and attachments, refresh static view, then resubmit edited content.
  • Wiring across TUIChat, ScreenContent, and UserInput to support the new flow.

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---

[cubic-dev-ai]

3 issues found across 11 files

Prompt for AI agents (all 3 issues)

Understand the root cause of the following 3 issues and fix them.


<file name="extensions/cli/src/ui/EditMessageSelector.test.tsx">

<violation number="1" location="extensions/cli/src/ui/EditMessageSelector.test.tsx:206">
This test does not exercise the cursor-positioning behavior—it only asserts a string literal’s length and will pass even if the bug regresses. Please remove or replace it with a real assertion on the TextBuffer/EditMessageSelector interaction.</violation>
</file>

<file name="extensions/cli/src/ui/hooks/useChat.edit.test.ts">

<violation number="1" location="extensions/cli/src/ui/hooks/useChat.edit.test.ts:37">
These tests reimplement handleEditMessage inline instead of invoking the real useChat logic, so they cannot catch regressions in the actual hook. Please drive the tests through the real implementation (e.g., render the hook or export a helper) rather than asserting against a local stub.</violation>
</file>

<file name="extensions/cli/src/ui/EditMessageSelector.tsx">

<violation number="1" location="extensions/cli/src/ui/EditMessageSelector.tsx:74">
Large edits that include a collapsed paste will submit the placeholder text because the edit path reads from textBuffer without first expanding paste placeholders. Please call textBuffer.expandAllPasteBlocks() before reading the buffer so the original content is restored before submission.</violation>
</file>

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[RomneyDa]

Works great! Only thing I noticed is that if you hold escape key it flashes in and out, but non blocking

[RomneyDa]

so many propssss

[sestinj]

🎉 This PR is included in version 1.24.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[sestinj]

🎉 This PR is included in version 1.28.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[sestinj]

🎉 This PR is included in version 1.2.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀