No .ico/.png favicon rasters exist in the source repo today. favicon.svg
here is the provisional mark at native 56x56 viewBox -- scale/export to
16/32/48/180px PNG or .ico with any SVG rasterizer before use in a
<link rel="icon"> or apple-touch-icon tag. Marked provisional pending a
commissioned logo (see BRAND_STYLE_GUIDE_2026-08-14.md).
