Fix undo

[engineerWang]

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• New feature
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[github-actions]

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[github-actions]

Hey! Your PR title Fix undo doesn't follow conventional commit format.

Please update it to start with one of:

• feat: or feat(scope): new feature
• fix: or fix(scope): bug fix
• docs: or docs(scope): documentation changes
• chore: or chore(scope): maintenance tasks
• refactor: or refactor(scope): code refactoring
• test: or test(scope): adding or updating tests

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[github-actions]

The following comment was made by an LLM, it may be inaccurate:

Based on the search results, I found several related PRs about undo functionality. Here are the potentially related ones (excluding PR #15263, which is the current PR):

Potentially Related PRs:

1. fix: edit tool error after undo #4923 - fix: edit tool error after undo

   • fix: edit tool error after undo #4923
   • Related to fixing issues that occur after undo operations

2. fix: sidebar updates for /undo and compacting #5765 - fix: sidebar updates for /undo and compacting

   • fix: sidebar updates for /undo and compacting #5765
   • Addresses sidebar behavior related to undo functionality

3. fix(opencode): skip ignored messages in undo/redo commands #9704 - fix(opencode): skip ignored messages in undo/redo commands

   • fix(opencode): skip ignored messages in undo/redo commands #9704
   • Fixes undo/redo command handling

4. feat: message edit (undo) with confirm/cancel flow #12952 - feat: message edit (undo) with confirm/cancel flow

   • feat: message edit (undo) with confirm/cancel flow #12952
   • Recent feature related to undo functionality with user confirmation

5. feat(app,ui): add undo/fork buttons on user messages and agent description placeholder #13266 - feat(app,ui): add undo/fork buttons on user messages and agent description placeholder

   • feat(app,ui): add undo/fork buttons on user messages and agent description placeholder #13266
   • Recent UI feature adding undo buttons

Since PR #15263 has a minimal description ("Fix undo"), I recommend checking these related PRs to see if any address the same bug or if there's overlap in scope.