[google-labs-jules]

💡 What

Enhanced the downloads QueueDrawer slide-over panel with modal accessibility semantics, keyboard interaction, and focus management:

• Registered with overlayStack (pushOverlay/popOverlay/isTopOverlay) so pressing the Escape key closes the drawer without conflicting with other overlays.
• Captured previously focused element when opened, focused the drawer, and restored focus to the triggering element upon close.
• Added role="dialog", aria-modal="true", aria-label="Downloads", aria-hidden={!isOpen}, and inert={!isOpen ? true : undefined} to prevent off-screen focus leaks.

🎯 Why

Previously, the downloads slide-over drawer could only be closed by clicking the close button or backdrop. It could not be dismissed via Escape, lacked ARIA dialog attributes for assistive technology, and when closed remained off-screen in the DOM without inert/aria-hidden.

♿ Accessibility

• Full screen reader dialog announcements via role="dialog", aria-modal="true", and aria-label="Downloads".
• Offscreen elements are ignored by keyboard navigation and assistive technology via aria-hidden and inert.
• Predictable focus management upon opening and closing.

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PR created automatically by Jules for task 1267154972449575190 started by @TheDragonSoft

[google-labs-jules]

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