feat: Implement user authentication using NextAuth with social and credentials providers.

src/types/next-auth.d.ts

@@ -0,0 +1,27 @@
+import { DefaultSession, DefaultUser } from "next-auth";
+
+declare module "next-auth" {
+  interface Session {
+    user: {
+      id: string;
+      role: "USER" | "AGENT" | "ADMIN";
+      accessToken: string;
+      refreshToken: string;
+    } & DefaultSession["user"];
+  }
+
+  interface User extends DefaultUser {
+    role: "USER" | "AGENT" | "ADMIN";
+    accessToken: string;
+    refreshToken: string;
+  }
+}
+
+declare module "next-auth/jwt" {
+  interface JWT {
+    id: string;
+    role: "USER" | "AGENT" | "ADMIN";
+    accessToken: string;
+    refreshToken: string;
+  }
+}