feat: rename Updaterup to Daterup and update related links and metadata

frontend/app/login/LoginForm.tsx

@@ -34,8 +34,9 @@ export default function LoginForm({ from }: Props) {
         setLoading(false)
         return
       }
-      // Navigate to intended destination — fresh page load picks up the session cookie
-      router.push(from || '/browse')
+      // Full page navigation — bypasses Next.js router cache so the new session
+      // cookie is always included in the first server request after login.
+      window.location.href = from || '/browse'
     } catch {
       setError('Network error — please try again')
       setLoading(false)