fix(patch): cherry-pick d03496b to release/v0.16.0-preview.3-pr-13099 to patch version v0.16.0-preview.3 and create version 0.16.0-preview.4

[gemini-cli-robot]

This PR automatically cherry-picks commit d03496b to patch version v0.16.0-preview.3 in the preview release to create version 0.16.0-preview.4.

[gemini-code-assist]

Summary of Changes

Hello @gemini-cli-robot, 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 is an automatic cherry-pick to create a new patch version for a preview release. The core change focuses on improving the user experience by enhancing the CLI's warning display mechanism. It transitions from a specific boolean flag for selection warnings to a more versatile string-based message system, which now includes a new warning for paste operations that exceed a substantially extended timeout period.

Highlights

• Generalized Warning System: The selectionWarning boolean state has been replaced with a more flexible warningMessage string state, allowing for dynamic display of various warning messages within the CLI.
• New Paste Timeout Warning: A new warning message is now displayed to the user if a paste operation times out, informing them of a potential slow connection.
• Increased Paste Timeout Duration: The PASTE_TIMEOUT constant has been significantly increased from 50 milliseconds to 30,000 milliseconds, providing a much longer window for paste operations to complete.

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[gemini-code-assist]

Code Review

This pull request cherry-picks a commit that introduces a significant improvement to the paste functionality and warning message system. The PASTE_TIMEOUT has been increased from a critically low 50ms to a much more reasonable 30 seconds, which should resolve issues with pasting content over slower connections. A new PasteTimeout event and a corresponding warning message have been added to inform the user when a paste operation times out. Additionally, the state management for warnings has been refactored from a specific selectionWarning boolean to a more generic warningMessage string, allowing for a more flexible and extensible warning system. The changes are well-implemented and logically sound.

[github-actions]

Size Change: +401 B (0%)

Total Size: 20.5 MB

ℹ️ View Unchanged

Filename	Size	Change
./bundle/gemini.js	20.5 MB	+401 B (0%)
./bundle/sandbox-macos-permissive-closed.sb	1.03 kB	0 B
./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-closed.sb	3.29 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

_{compressed-size-action}

[jacob314]