fix(patch): cherry-pick 3627f47 to release/v0.42.0-preview.0-pr-26542 to patch version v0.42.0-preview.0 and create version 0.42.0-preview.1

[gemini-cli-robot]

This PR automatically cherry-picks commit 3627f47 to patch version v0.42.0-preview.0 in the preview release to create version 0.42.0-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 updates the policy engine to ensure consistent behavior for redirected commands in automated approval modes. By removing the dependency on sandbox status for these specific modes, the engine now correctly maintains the intended trust level for agent actions, preventing unnecessary user prompts.

Highlights

• Policy Engine Logic Update: Modified the policy engine to prevent downgrading to ASK_USER for redirected commands when in AUTO_EDIT or YOLO modes, regardless of whether sandboxing is enabled.
• Regression Testing: Added a new test case to verify that redirected shell commands remain in ALLOW status when running in YOLO mode without a sandbox.

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[github-actions]

Size Change: -105 B (0%)

Total Size: 34 MB

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[gemini-code-assist]

Code Review

This pull request updates the policy engine to allow shell redirections without user confirmation in both AUTO_EDIT and YOLO modes, even when a sandbox is not enabled, and adds a test case to verify this behavior in YOLO mode. Feedback identifies a security concern where AUTO_EDIT mode should still be restricted to sandbox environments to prevent unintended host file system access, whereas YOLO mode is intentionally designed to bypass such restrictions.

[gemini-code-assist]

The removal of the sandboxEnabled check in shouldDowngradeForRedirection allows shell redirections (e.g., >, >>, <) to be executed on the host system without user confirmation when in AUTO_EDIT mode. While YOLO mode intentionally allows this behavior even without a sandbox per project policy, AUTO_EDIT mode should still be restricted to sandbox environments for these operations to prevent unintended host file system access.

Suggested change

	if (
	sandboxEnabled &&
	(this.approvalMode === ApprovalMode.AUTO_EDIT ||
	this.approvalMode === ApprovalMode.YOLO)
	this.approvalMode === ApprovalMode.AUTO_EDIT ||
	this.approvalMode === ApprovalMode.YOLO
	) {
	if (
	(this.approvalMode === ApprovalMode.AUTO_EDIT && !(this.sandboxManager instanceof NoopSandboxManager)) ||
	this.approvalMode === ApprovalMode.YOLO
	) {

References

1. In YOLO mode, dangerous commands are intentionally allowed to proceed with an 'ALLOW' decision, even when no sandbox is active.