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ui: Sidebar resizing improvements - #31119
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Bring back the desktop sidebar resize handle that was dropped with the shadcn sidebar primitive. The width is clamped between 18rem and 32rem, persists across reloads, and resets on a double-click of the handle. The tab bar follows the same width so a wider sidebar never covers it. Assisted by: Claude (Opus 5.5 Medium)
Past the max width the edge resists harder the further it is pulled, and the same happens below the min width until the pull passes 9rem, where it snaps to the pointer and letting go hides the sidebar. A release outside the bounds springs the width back to the nearest one. Assisted by: Claude (Opus 5.5 Medium)
…gging The strip is clipped to the sidebar's rounded corners through its own overlay, so the sidebar itself is never clipped. Assisted by: Claude (Opus 5.5 Medium)
A phone opens the sidebar as an overlay, so it always starts closed there and its toggling never overwrites the desktop preference. Assisted by: Claude (Opus 5.5 Medium)
The fade follows the live width, so it tracks both the toggle's width transition and a drag below the minimum width. Assisted by: Claude (Opus 5.5 Medium)
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October 24, 2026 23:19
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ServeurpersoCom
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Oct 25, 2026
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LGTM, mobile stays untouched (handle hidden below md, expanded state never read or written on phones). Possible improvements:
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A drag now updates only the live width and writes it to localStorage once when released. A width restored from localStorage is clamped to the current bounds, so a value saved under older bounds does not stick. Assisted-by: Claude (Opus 5.5 Medium)
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Oct 28, 2026
* ui : let the expanded sidebar be resized by dragging its edge Bring back the desktop sidebar resize handle that was dropped with the shadcn sidebar primitive. The width is clamped between 18rem and 32rem, persists across reloads, and resets on a double-click of the handle. The tab bar follows the same width so a wider sidebar never covers it. Assisted by: Claude (Opus 5.5 Medium) * ui : rubber-band the sidebar edge past its bounds and drag it shut Past the max width the edge resists harder the further it is pulled, and the same happens below the min width until the pull passes 9rem, where it snaps to the pointer and letting go hides the sidebar. A release outside the bounds springs the width back to the nearest one. Assisted by: Claude (Opus 5.5 Medium) * ui : show the sidebar edge strip faintly on hover and solid while dragging The strip is clipped to the sidebar's rounded corners through its own overlay, so the sidebar itself is never clipped. Assisted by: Claude (Opus 5.5 Medium) * ui : remember whether the desktop sidebar is open across reloads A phone opens the sidebar as an overlay, so it always starts closed there and its toggling never overwrites the desktop preference. Assisted by: Claude (Opus 5.5 Medium) * ui : fade the sidebar labels and conversation list with its width The fade follows the live width, so it tracks both the toggle's width transition and a drag below the minimum width. Assisted by: Claude (Opus 5.5 Medium) * ui : persist the sidebar width on release and clamp a restored one A drag now updates only the live width and writes it to localStorage once when released. A width restored from localStorage is clamped to the current bounds, so a value saved under older bounds does not stick. Assisted-by: Claude (Opus 5.5 Medium)
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Overview
Brings back drag-to-resize for the desktop sidebar (dropped with the shadcn sidebar in #24897), now with rubber-band resistance past the min/max width, drag-to-hide below 9rem, and a label/list fade that follows the live width. The sidebar's width and open state are also remembered across reloads.
Screen.Recording.2026-10-25.at.00.55.02.mp4
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