Add user first and last name fields to signup form

src/lib/server/auth.ts

@@ -1,9 +1,8 @@
 import { DrizzlePostgreSQLAdapter } from "@lucia-auth/adapter-drizzle";
-import { Lucia } from "lucia";
+import { Lucia, TimeSpan } from "lucia";
 import { dev } from "$app/environment";
 import { userTable, sessionTable } from "$lib/db/schema";
 import { db } from "$lib/db/db.server";
-import { Argon2id } from "oslo/password";
 
 const adapter = new DrizzlePostgreSQLAdapter(db, sessionTable, userTable);
 
@@ -17,6 +16,9 @@ export const lucia = new Lucia(adapter, {
     return {
       // attributes has the type of DatabaseUserAttributes
       username: attributes.username,
+      id: attributes.id,
+      first_name: attributes.first_name,
+      last_name: attributes.last_name,
     };
   },
 });
@@ -24,15 +26,14 @@ export const lucia = new Lucia(adapter, {
 declare module "lucia" {
   interface Register {
     Lucia: typeof lucia;
-    DatabaseUserAttributes: DatabaseUserAttributes;
+    DatabaseUserAttributes: DatabaseUser;
   }
 }
 
-interface DatabaseUserAttributes {
-  username: string;
-}
 export interface DatabaseUser {
   id: string;
   username: string;
+  first_name: string;
+  last_name: string;
   hashed_password: string;
 }