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/help/desktopPush.test.ts

@@ -0,0 +1,17 @@
+/**
+ * @vitest-environment happy-dom
+ */
+import { describe, it, expect } from 'vitest';
+import { desktopPathHint, DESKTOP_PUSH_MAX_BYTES } from './desktopPush';
+
+describe('desktopPush', () => {
+  it('hints per platform', () => {
+    expect(desktopPathHint('windows')).toContain('Desktop');
+    expect(desktopPathHint('darwin')).toContain('~/Desktop');
+    expect(desktopPathHint('linux')).toContain('Desktop');
+  });
+
+  it('exports size limit', () => {
+    expect(DESKTOP_PUSH_MAX_BYTES).toBeGreaterThan(1024 * 1024);
+  });
+});