fix: маршруты, медиа и Worker; Android APK и статический ARM64 CLI (#60)

* fix: address routing, media, worker and platform issues

* ci: use available Android tools and verify Windows CLI artifact

* fix(gui): return a result from asynchronous stop command

* test(android): verify installed APK and proxy lifecycle on emulator

* fix(media): use native MTProto for CDN203 and retain recent diagnostics

* Fix owned WebSocket split after transport boxing

* Clarify CDN transport and connection status guarantees

* Recognize accessible Android power button labels

* chore(release): prepare 2.0.0-beta.15 with verified draft publication

---------

Co-authored-by: babin <Thartewerner536e@engineer.com>

tauri.android.conf.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "app": {
+    "windows": [{ "label": "main", "title": "TGLock", "backgroundColor": "#070A10" }]
+  },
+  "bundle": { "android": { "minSdkVersion": 24 } }
+}