fix: 2026-06-04 audit pass — README, USB pack, multi-area fixes

WS ticket dashboard auth, builder universal signing/size limits/fusion obfuscation/dropper bundles, Path Tracer WireGuard topology, SessionGate degraded mode and download timeouts, server bootstrap (data dir, cloudflared dedupe, config port precedence), agent mesh/miner/spread fixes. README refreshed; usb bundle repacked; PROBLEMS.md audit log updated.

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

@@ -50,17 +50,15 @@ export default function HashrateChart({
   const gradId = colorToId(color);
   const peak = chartSeriesPeak(data);
   const delta = chartSeriesDelta(data);
-  const liveLabel =
-    displayMode === 'live' ? '● LIVE' : displayMode === 'blend' ? '● SYNCING' : '● PROJECTION';
-  const liveClass =
-    displayMode === 'live' ? 'pulse' : displayMode === 'blend' ? 'blend' : 'sample';
+  const liveLabel = displayMode === 'live' ? '● LIVE' : '○ IDLE';
+  const liveClass = displayMode === 'live' ? 'pulse' : 'empty';
 
   if (data.length === 0) {
     return (
       <div className="chart-empty neon-chart-panel wealth-empty">
         <div className="chart-empty-icon">◈</div>
         <p className="font-tech">{title || 'Telemetry'}</p>
-        <span>Calibrating chart telemetry…</span>
+        <span>No live data yet — connect miners to populate this chart</span>
       </div>
     );
   }