Fix SuperTokens initialization timing issues

- Remove session check from home page (landing page doesn't need it)
- Add delayed session check in auth page to redirect logged-in users
- Handle SuperTokens not being initialized yet with proper error handling

Co-authored-by: Cursor <cursoragent@cursor.com>

app/page.tsx

@@ -1,43 +1,10 @@
 "use client";
 
 import Link from "next/link";
-import { useEffect, useState } from "react";
-import { useRouter } from "next/navigation";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
-import { doesSessionExist } from "supertokens-web-js/recipe/session";
 
 export default function HomePage() {
-  const router = useRouter();
-  const [isLoading, setIsLoading] = useState(true);
-  const [isLoggedIn, setIsLoggedIn] = useState(false);
-
-  useEffect(() => {
-    // Check if user is already logged in
-    doesSessionExist().then((exists) => {
-      setIsLoggedIn(exists);
-      setIsLoading(false);
-      
-      // If logged in, redirect to projects
-      if (exists) {
-        router.push("/marks-account/projects");
-      }
-    }).catch(() => {
-      setIsLoading(false);
-    });
-  }, [router]);
-
-  if (isLoading) {
-    return (
-      <div className="flex min-h-screen items-center justify-center bg-background">
-        <div className="text-center">
-          <div className="h-8 w-8 animate-spin rounded-full border-4 border-primary border-t-transparent mx-auto mb-4" />
-          <p className="text-muted-foreground">Loading...</p>
-        </div>
-      </div>
-    );
-  }
-
   return (
     <div className="flex min-h-screen items-center justify-center bg-background p-4">
       <div className="w-full max-w-2xl space-y-6">