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Add safe overlay support to cua-qemu-windows container#843

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Fizza-Mukhtar wants to merge 1 commit intotrycua:mainfrom
Fizza-Mukhtar:fix/windows-qemu-overlay-support
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Add safe overlay support to cua-qemu-windows container#843
Fizza-Mukhtar wants to merge 1 commit intotrycua:mainfrom
Fizza-Mukhtar:fix/windows-qemu-overlay-support

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@Fizza-Mukhtar
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This PR adds overlay support to the cua-qemu-windows container using hard links,
allowing multiple isolated sessions from a single golden image.

Overlay mode is detected safely by verifying that /storage is empty, avoiding
potential data loss. Hard links are used by default with a fallback to regular
copy when unsupported.

Implements Option A as recommended and addresses the overlay detection concerns
raised in #699.

Fixes #699

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vercel Bot commented Jan 18, 2026

@Fizza-Mukhtar is attempting to deploy a commit to the Cua Team on Vercel.

A member of the Team first needs to authorize it.

@Fizza-Mukhtar Fizza-Mukhtar closed this by deleting the head repository Mar 9, 2026
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# Add overlay support to cua-qemu-windows container

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