* fix(ui): update coss ui components
* fix(sidebar): remove redundant overflow-auto from SidebarContent
ScrollArea already provides the scroll container, so keeping overflow-auto
on the child creates a nested scroll area and prevents scrollFade from
reflecting actual overflow.
Addresses Cubic AI review feedback with confidence 9/10.
Co-Authored-By: unknown <>
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Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>