refactor(auth): update sign-in and sign-up pages to use server-side authentication

src/app/(auth)/sign-in/page.tsx

@@ -1,8 +1,12 @@
-"use client";
+import { redirect } from "next/navigation";
-
+import { getCurrent } from "@/features/auth/actions";
 import { SignInCard } from "@/features/auth/components/sign-in-card";
 
-const SignInPage = () => {
+const SignInPage = async () => {
+  const user = await getCurrent();
+
+  if (user) redirect("/");
+
   return <SignInCard />;
 };
 

src/app/(auth)/sign-up/page.tsx

@@ -1,8 +1,12 @@
-"use client";
+import { redirect } from "next/navigation";
-
+import { getCurrent } from "@/features/auth/actions";
 import { SignUpCard } from "@/features/auth/components/sign-up-card";
 
-const SignUpPage = () => {
+const SignUpPage = async () => {
+  const user = await getCurrent();
+
+  if (user) redirect("/");
+
   return <SignUpCard />;
 };