fix(vendor): vendor KaTeX 0.16.9 woff/ttf fallbacks under /vendor/fonts (0-CDN air-gap; Dev B #3)

sync drifted modules to GitHub source-of-truth (clear drift backlog)

vendor 4 formerly-deferred anvaka libs 0-CDN + wire ngraph.cw community overlay (byte-identical with GitHub)

DEV-WIRE-K R1: wire Posture/Topology/Attack-Surface/Zero-Trust + vendored anvaka (byte-identical with GitHub)

batch2 vendor: d3-sankey, observable-plot, regl, pub-sub-es, regl-scatterplot (MIT/ISC) — sovereign, 0 CDN

killinchu batch-1: flagship LIVE 3D Health Twin (Three.js) + sovereign self-hosted fonts (no Google Fonts CDN) + de-dup tabs (deck.gl livepic/maritime, Sigma+dagre chain DAG, Konva bft)

Vendor viz libs no-CDN (air-gap) + bind graph-substrate proofs to viz