v0.26.0-preview.4

Summary

This release primarily focuses on applying a specific patch (12a5490) to the current preview branch to resolve conflicts encountered during the release process. Users should note this is a maintenance update addressing integration issues.

Related Documentation

• https://github.com/google-gemini/gemini-cli/pull/17424
• https://github.com/google-gemini/gemini-cli/compare/v0.26.0-preview.3...v0.26.0-preview.4