Lazy load notification and keep-online providers

Introduced NotificationProviderWrapper to dynamically load the notification context only on dashboard pages, reducing initial bundle size. KeepOnline component is now also lazy-loaded. Updated app layout to use the new wrapper.

package-lock.json

@@ -60,7 +60,7 @@
         "tailwind-merge": "^2.5.5",
         "tailwindcss-animate": "^1.0.7",
         "vaul": "^0.9.6",
-        "zod": "^3.24.1"
+        "zod": "^3.25.0"
       },
       "devDependencies": {
         "@distube/ytdl-core": "^4.16.12",
@@ -10551,9 +10551,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.24.1",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.1.tgz",
-      "integrity": "sha512-muH7gBL9sI1nciMZV67X5fTKKBLtwpZ5VBp1vsOQzj1MhrBZ4wlVCm3gedKZWLp0Oyel8sIGfeiz54Su+OVT+A==",
+      "version": "3.25.76",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
+      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"