Fix login redirect — access result.data.token/user

Login/register pages now correctly unwrap API response {data: {token, user}}.
Cleaned up leftover apiFetch code.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/tasks/app/layout.tsx

@@ -10,9 +10,10 @@ export const metadata: Metadata = {
   manifest: "/manifest.json",
   appleWebApp: {
     capable: true,
-    statusBarStyle: "default",
+    statusBarStyle: "black-translucent",
     title: "Task Team",
   },
+  other: { "mobile-web-app-capable": "yes" },
 };
 
 export const viewport: Viewport = {