Parent
Follow-up from #501 / epic #490.
Checklist
- TreeLoadError presentation consistent (icon/title); SDUI expand errors use it
- Semantics on expand rows (button + expanded)
- SDUI selects → QueryaDropdown (or shared control)
- Dialog cards as Material(color: popover) to prevent future ListTile asserts
Context
Opportunistic #501 batch covered trees tint/indent/icons, CrossFadeStack/Stagger, empty-hero flash, update dialog fade, tooltip wait, HoverSurface scope doc.
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Parent
Follow-up from #501 / epic #490.
Checklist
Context
Opportunistic #501 batch covered trees tint/indent/icons, CrossFadeStack/Stagger, empty-hero flash, update dialog fade, tooltip wait, HoverSurface scope doc.