fix(patch): cherry-pick bd53951 to release/v0.45.0-preview.0-pr-27496 to patch version v0.45.0-preview.0 and create version 0.45.0-preview.1

[gemini-cli-robot]

This PR automatically cherry-picks commit bd53951 to patch version v0.45.0-preview.0 in the preview release to create version 0.45.0-preview.1.

[gemini-code-assist]

Summary of Changes

Hello, 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 cherry-picks a fix to improve the stability of PTY resizing operations. It introduces a pre-check using process.kill(pid, 0) on non-Windows platforms to verify process existence before resizing, and refines the logic for catching and ignoring expected race-condition errors during PTY termination.

Highlights

• Robust PTY Resize Handling: Improved error handling for PTY resizing by explicitly checking process status before attempting resize operations on non-Windows platforms.
• Error Detection Improvements: Enhanced exception handling in the CLI and ShellExecutionService to better identify and ignore expected PTY exit errors.

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[github-actions]

Size Change: +235 B (0%)

Total Size: 33.9 MB

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[gemini-code-assist]

Code Review

This pull request improves error handling and stability during PTY resizing. In packages/cli/index.ts, uncaught exception handling is enhanced to safely check for EBADF error codes. In packages/core/src/services/shellExecutionService.ts, the ShellExecutionService now checks if the process is still alive using process.kill(pid, 0) on non-Windows platforms before attempting a resize, bailing early if the process has already exited (ESRCH). There are no review comments to evaluate, and I have no additional feedback to provide.