Added middleware and session helper

src/app/sign-in/page.tsx

@@ -1,18 +1,15 @@
 import { OAuthSignInButton } from "@/components/auth/signin-button"
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
-import { auth } from "@/lib/auth/auth"
+import { getSession } from "@/lib/auth/session"
 import { LogIn } from "lucide-react"
-import { headers } from "next/headers"
-import { redirect } from "next/navigation"
 
 export default async function SignInPage() {
-    const session = await auth.api.getSession({
-        headers: await headers()
-    })
+    const { session, redirect } = await getSession()
 
     if (session) {
-        redirect("/")
+        redirect("/dashboard")
     }
+
     return (
         <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-slate-50 to-slate-100 dark:from-slate-900 dark:to-slate-800 p-4">
             <Card className="w-full max-w-md shadow-xl">