feat: Telegram fleet alerts, forge sigil scramble, UI polish, agent ops

- Calibrate: per-event Telegram/SMTP toggles, test notification, chat ID help
- Notify on agent connect/reconnect, offline/hashrate/rejection, forge complete
- Sigil scramble post-forge uniquification and Dispense Reveal ceremony
- Full system check, desktop push, BITS/host-binary persistence, Path Tracer
- Dashboard/Crucible visual polish, haptics, sacred geometry, mobile nav
- README documents alerts, sigil scramble, and pack-usb workflow
- USB bundle repacked via pack-usb.bat (AetherForge.exe + synced agent source)

server/web/src/components/components.test.tsx

@@ -13,6 +13,7 @@ import { downloadApiFile, downloadAuthedFile } from '../api/download';
 import { getStoredAuth } from '../api/auth';
 import { useWebSocket } from '../hooks/useWebSocket';
 import { DEFAULT_FLEET_FILTERS } from '../help/fleetFilters';
+import { generateSampleSeries, validateChartSeries } from '../help/chartSampleData';
 
 import NeonCard from './NeonCard/NeonCard';
 import { HelpTip, FieldHint } from './HelpTip';
@@ -316,7 +317,23 @@ describe('HashrateChart', () => {
   it('shows empty state when data is empty', () => {
     render(<HashrateChart data={[]} title="Fleet Hash" />);
     expect(screen.getByText('Fleet Hash')).toBeInTheDocument();
-    expect(screen.getByText(/Awaiting signal from fleet/i)).toBeInTheDocument();
+    expect(screen.getByText(/Calibrating chart telemetry/i)).toBeInTheDocument();
+  });
+
+  it('renders chart with validated sample series', () => {
+    const sample = generateSampleSeries('hashrate', 24);
+    expect(validateChartSeries(sample).ok).toBe(true);
+    render(
+      <HashrateChart
+        data={sample}
+        displayMode="sample"
+        title="Fleet Hash"
+        color="#00f5ff"
+        unit="H/s"
+      />
+    );
+    expect(screen.getByText(/PEAK/)).toBeInTheDocument();
+    expect(screen.getByText(/PROJECTION/)).toBeInTheDocument();
   });
 
   it('renders chart with data points', () => {
@@ -728,6 +745,8 @@ describe('AmbientBackground', () => {
     const { container } = render(<AmbientBackground />);
     expect(container.querySelector('.ambient-bg')).toBeTruthy();
     expect(container.querySelector('.ambient-sacred-geo')).toBeTruthy();
+    expect(container.querySelector('.ambient-geo-hex-veil')).toBeTruthy();
+    expect(container.querySelectorAll('.ambient-geo-corner').length).toBeGreaterThanOrEqual(2);
   });
 });