Release v0.9.84 with GT analytics, Telegram translate, full telemetry, and saved dashboard layout.

Bump version across frontend, backend, and desktop shell; update changelog modal, release digests, and updater manifest filtering for the current version only.

desktop-shell/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@shadowbroker/desktop-shell",
-  "version": "0.9.83",
+  "version": "0.9.84",
   "private": true,
   "description": "ShadowBroker desktop shell packaging, runtime bridge, and release tooling",
   "scripts": {