- HudState enum (5 cases) with verbatim UI-SPEC Surface 3 VoiceOver labels
- BrandColor.arcReactorGlow: #1E88E5@85% light / #64B5F6@90% dark with Increase Contrast fallback to controlAccentColor
- CAAnimationFactory with makeBreath/makeRotate/makeShimmer/makeGlow/makeStateCrossfade, each Reduce Motion-guarded
- 22×22pt arc-reactor silhouette placeholder PDF (outer 18pt ring + mid 12pt ring + filled 4pt core + six 60° spokes) via Core Graphics
- Icon-MenuBar-Template.imageset Contents.json pointed at the PDF with template-rendering-intent=template and preserves-vector-representation=true