Added a 28px × 64px grab tab that extends to the right of the resize
handle divider, providing a larger visual target when the sidebar is
collapsed or near-collapsed.
**Changes:**
- Thin 8px divider remains the draggable area
- Visual grab tab (28px × 64px) extends to right with:
- Rounded corners on top-right and bottom-right (borderRadius)
- Vertical knurled texture for grip appearance
- Drop shadow for depth
- Positioned absolutely, centered vertically
- Tab is visual decoration only (pointerEvents: none)
- Divider remains fully draggable
**Note:** Tab is not draggable itself (library limitation - child elements
outside parent bounds don't trigger drag). The 8px divider is the
interactive area. Tab provides visual affordance when sidebar is collapsed.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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