added error handling, fixed authenticaton, added toaster

app/client/fragments.tsx

@@ -0,0 +1,14 @@
+import { gql } from '@apollo/client';
+
+export const sessionFragment = gql`
+  fragment Session on Session {
+    accessToken
+    refreshToken {
+      token
+      maxAge
+      secure
+      httpOnly
+      sameSite
+    }
+  }
+`;