feat(cli): add Alt+D for forward word deletion

[scidomino]

feat(cli): add Alt+D for forward word deletion

Summary

Adds Alt+D (Meta-D) as a keybinding for DELETE_WORD_FORWARD. This aligns with standard Emacs bindings (kill-word) and complements the existing Alt+Backspace / Ctrl+W backward deletion bindings.

Details

• File Modified: packages/cli/src/config/keyBindings.ts
  • Added { key: 'd', alt: true } to Command.DELETE_WORD_FORWARD.
• Tests Updated: packages/cli/src/ui/keyMatchers.test.ts
  • Added a positive test case for Alt+D triggering DELETE_WORD_FORWARD.
• Docs Updated: docs/cli/keyboard-shortcuts.md
  • Regenerated documentation to include the new shortcut.

Related Issues

Fixes #19296

How to Validate

1. Test Verification:
   Run the specific test file:

   npm test -w @google/gemini-cli -- src/ui/keyMatchers.test.ts

2. Manual Verification:

   • Launch the CLI.
   • Type some text.
   • Move the cursor to the middle of the text.
   • Press Alt+D (or Option+D on macOS).
   • Verify that the word following the cursor is deleted.

Pre-Merge Checklist

• Updated relevant documentation and README (if needed)
• Added/updated tests (if needed)
• Noted breaking changes (if any)
• Validated on required platforms/methods:
  • MacOS
    • npm run

[gemini-code-assist]

Summary of Changes

Hello @scidomino, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the command-line interface by introducing a new keyboard shortcut for forward word deletion. This change improves usability and consistency for users familiar with common text editing keybindings, making the CLI more efficient for text manipulation.

Highlights

• New Keybinding: Added Alt+D (Meta-D) as a new keybinding for the DELETE_WORD_FORWARD command, aligning with standard Emacs bindings.
• Configuration Update: The packages/cli/src/config/keyBindings.ts file was updated to include the new Alt+D key combination for forward word deletion.
• Test Coverage: A new positive test case was added in packages/cli/src/ui/keyMatchers.test.ts to ensure Alt+D correctly triggers DELETE_WORD_FORWARD.
• Documentation: The docs/cli/keyboard-shortcuts.md file was regenerated to reflect the inclusion of the new Alt+D shortcut in the documentation.

Changelog

• docs/cli/keyboard-shortcuts.md
  • Updated the 'Delete the next word' entry to include Alt + D.
• packages/cli/src/config/keyBindings.ts
  • Added { key: 'd', alt: true } to the DELETE_WORD_FORWARD command's keybindings.
• packages/cli/src/ui/keyMatchers.test.ts
  • Added a test case to verify Alt+D correctly maps to DELETE_WORD_FORWARD.

Activity

• Updated relevant documentation and README.
• Added/updated tests.
• Validated on MacOS.

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[gemini-code-assist]

Code Review

The pull request successfully implements the Alt+D keybinding for forward word deletion, aligning with standard Emacs keybindings. The changes are well-contained, with the keybinding added to the configuration, a corresponding test case included, and the documentation updated to reflect the new shortcut. The implementation is straightforward and appears correct.

[github-actions]

Size Change: +75 B (0%)

Total Size: 24.5 MB

ℹ️ View Unchanged

Filename	Size	Change
./bundle/gemini.js	24.5 MB	+75 B (0%)
./bundle/sandbox-macos-permissive-open.sb	890 B	0 B
./bundle/sandbox-macos-permissive-proxied.sb	1.31 kB	0 B
./bundle/sandbox-macos-restrictive-open.sb	3.36 kB	0 B
./bundle/sandbox-macos-restrictive-proxied.sb	3.56 kB	0 B
./bundle/sandbox-macos-strict-open.sb	4.82 kB	0 B
./bundle/sandbox-macos-strict-proxied.sb	5.02 kB	0 B

_{compressed-size-action}

[g-samroberts]

LGTM from docs

[jacob314]