refactor: migrate authentication to NextAuth and clean up related services

components/auth/session-provider.tsx

@@ -0,0 +1,13 @@
+"use client";
+
+import { SessionProvider as NextAuthSessionProvider } from "next-auth/react";
+import { ReactNode } from "react";
+
+interface SessionProviderProps {
+  children: ReactNode;
+}
+
+export function SessionProvider({ children }: SessionProviderProps) {
+  return <NextAuthSessionProvider>{children}</NextAuthSessionProvider>;
+}
+