BUG 1 (tab bar): Tab group elements (0x10000228/229/538) are UiText with
ConsumesDatChildren=true so their 3 button children are consumed at import.
Fix: inject 3 sprite UiTexts per tab as CHILDREN OF LAYOUT ROOT at absolute
tab rects, ZOrder=8/9 so they draw over dat-imported UiTexts (ZOrder=1-3).
Original tab groups hidden. Active tab (Attributes) gold; inactive parchment.
BUG 2 (footer): Three root causes, all fixed.
(a) _byId stores LAST registered copy per id: stateA (0x10000240) was
the Titles-page copy, hidden by the page-visibility pass. Fixed by
walking root.Children to find the Attributes page (contains NameId)
then FindInSubtree for stateA within that subtree.
(b) Attributes-page stateB/stateC siblings (stacked at y=545) were still
Visible=True, drawing over stateA line-1/line-2. Fixed with
HideAllById walking the Attributes page subtree for ids 241/247.
(c) Footer label elements (H=17-18px, Padding=4f) were routed through
UiTexts scroll path: bottom-pinned baseY ended above the top clip
boundary, silently blanking all text. Fixed: LabelProvider sets
Padding=0f for directly-bound footer single-line labels.
UiDatElement.ElementId exposes _info.Id for subtree id-based walks.
676 tests pass, vitals panel unaffected (regression screenshot clean).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>