Release validation: tests green, USB pack, fleet UX and API hardening.

Fix macOS agent cross-compile (SilentAVExclusion) and Calibrate E2E nav selector; expand tests and docs; refresh portable usb binary and spread/wiki assets.

server/web/src/components/Charts/HashrateChart.tsx

@@ -1,3 +1,4 @@
+import { memo } from 'react';
 import {
   Area,
   AreaChart,
@@ -32,17 +33,17 @@ interface HashrateChartProps {
 const GRAD_IDS = ['cyan', 'magenta', 'amber', 'green', 'purple'] as const;
 
 function colorToId(color: string): string {
-  if (color.includes('f5ff') || color.includes('06b6d4') || color === '#00f5ff') return 'cyan';
+  if (color.includes('f5ff') || color.includes('06b6d4') || color === '#00f5ff' || color.includes('neon-cyan')) return 'cyan';
   if (color.includes('2da6') || color.includes('8b5cf6')) return 'magenta';
   if (color.includes('b020') || color.includes('eab308')) return 'amber';
   if (color.includes('39ff') || color.includes('22c55e')) return 'green';
   return 'purple';
 }
 
-export default function HashrateChart({
+function HashrateChart({
   data,
   title,
-  color = '#00f5ff',
+  color = 'var(--neon-cyan)',
   unit = 'H/s',
   height = 280,
   displayMode = 'live',
@@ -187,3 +188,5 @@ function formatFull(v: number, unit: string): string {
   }
   return `${v.toFixed(1)}${unit}`;
 }
+
+export default memo(HashrateChart);