feat: introduce notification system and claude notifications (#450)

* feat: introduce notification system and claude notifications

* fix(sw): prevent caching of API requests and WebSocket upgrades

* default to false for webpush notifications and translations for the button

* fix: notifications orchestrator and add a notification when  first enabled

* fix: remove unused state update and dependency in settings controller hook

* fix: show notifications settings tab

* fix: add notifications for response completion for all providers

* feat: show session name in notification and don't reload tab on clicking
--- the notification

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Haileyesus <something@gmail.com>

package.json

@@ -103,6 +103,7 @@
     "sqlite": "^5.1.1",
     "sqlite3": "^5.1.7",
     "tailwind-merge": "^3.3.1",
+    "web-push": "^3.6.7",
     "ws": "^8.14.2"
   },
   "devDependencies": {